CN105987510B - Heat accumulation water pot unit - Google Patents
Heat accumulation water pot unit Download PDFInfo
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- CN105987510B CN105987510B CN201510084988.9A CN201510084988A CN105987510B CN 105987510 B CN105987510 B CN 105987510B CN 201510084988 A CN201510084988 A CN 201510084988A CN 105987510 B CN105987510 B CN 105987510B
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- Prior art keywords
- heat
- water pot
- accumulation water
- heat accumulation
- wall portion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 249
- 238000009825 accumulation Methods 0.000 title claims abstract description 201
- 238000009413 insulation Methods 0.000 claims abstract description 138
- 238000005187 foaming Methods 0.000 claims abstract description 85
- 238000011049 filling Methods 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims description 9
- 238000002347 injection Methods 0.000 claims description 8
- 239000007924 injection Substances 0.000 claims description 8
- 229920005830 Polyurethane Foam Polymers 0.000 claims description 7
- 239000011496 polyurethane foam Substances 0.000 claims description 7
- 239000006260 foam Substances 0.000 abstract description 21
- 239000000306 component Substances 0.000 description 115
- 101100298222 Caenorhabditis elegans pot-1 gene Proteins 0.000 description 88
- 238000010586 diagram Methods 0.000 description 12
- 238000003860 storage Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000001764 infiltration Methods 0.000 description 6
- 230000008595 infiltration Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000008400 supply water Substances 0.000 description 3
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 239000008358 core component Substances 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000012946 outsourcing Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000011491 glass wool Substances 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000012948 isocyanate Substances 0.000 description 1
- 150000002513 isocyanates Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- 125000004817 pentamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 description 1
- 229920005862 polyol Polymers 0.000 description 1
- 150000003077 polyols Chemical class 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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- Details Of Fluid Heaters (AREA)
- Housings, Intake/Discharge, And Installation Of Fluid Heaters (AREA)
- Cookers (AREA)
- Thermal Insulation (AREA)
Abstract
The present invention provides heat-proof quality high heat accumulation water pot unit.Heat accumulation water pot unit (20) includes heat accumulation water pot (1), the outer container (2) for storing heat accumulation water pot (1) and the foaming heat insulation component (4) that is filled between heat accumulation water pot (1) and outer container (2), outer container (2) includes: foreboard (2a), has the filling hole for filling-foam heat insulating member (4)；The back plate (2b) opposite with foreboard (2a)；With a pair of side plates (2c, 2d) for surrounding heat accumulation water pot (1) together with foreboard (2a) and back plate (2b), side plate (2c, 2d) is back plate (2b) more than (L1) at a distance from heat accumulation water pot (1) with (L2) at a distance from heat accumulation water pot (1).
Description
Technical field
The present invention relates to the heat accumulation water pot units with heat accumulation water pot.
Background technique
It has been known that there is the heat accumulation water pot units having for storing the heat accumulation water pot of hot water.
For example, recording the storage with multiple forming heat insulating members around covering heat accumulation water pot in patent document 1
Hot-water type hot-warer supplying machine.
In addition, recording the heat accumulation with heat accumulation water pot heat insulating member and heat accumulation water pot heat shield in patent document 2
Water pot unit, the heat accumulation water pot heat insulating member are centered around around heat accumulation water pot, and heat accumulation water pot heat shield setting is being stored
The outer container of heat accumulation water pot.
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2011-106791 bulletin
Patent document 2: No. 4745269 bulletins of Japanese Patent No.
Summary of the invention
Problem to be solved by the invention
But in technology described in Patent Document 1, it is difficult to cover water storage very close to each otherly using forming heat insulating member
The entire outer surface of tank.That is, it is easy to produce gap between multiple forming heat insulating members in technology described in Patent Document 1,
There are problems that fully preventing the heat leak from heat accumulation water pot.
Equally, in technology described in Patent Document 2 there is also be easy heat accumulation water pot heat insulating member generate gap, cannot
The problem of fully preventing from the heat leak of heat accumulation water pot.In addition, in patent document 2, although using in heat accumulation water pot
Outside configures the dual structure of heat accumulation water pot heat insulating member and heat accumulation water pot heat shield, but there is also further increase heat accumulation
The leeway of the heat-proof quality of water pot unit.
Therefore, the heat accumulation water pot unit high the issue of the present invention is to provide heat-proof quality.
Technical teaching for solving the problem was
In order to solve the above problems, heat accumulation water pot unit of the invention is characterised by comprising: heat accumulation water pot；In storage
State the outer container of heat accumulation water pot；And the foaming heat insulation component being filled between above-mentioned heat accumulation water pot and above-mentioned outer container, above-mentioned outer luggage
Include: the first wall portion has the filling hole for filling above-mentioned foaming heat insulation component；Second wall portion, with above-mentioned first wall portion
Relatively；With a pair of of third wall portion, above-mentioned heat accumulation water pot, above-mentioned third are surrounded together with above-mentioned first wall portion and above-mentioned second wall portion
Wall portion at a distance from above-mentioned heat accumulation water pot for above-mentioned second wall portion at a distance from above-mentioned heat accumulation water pot more than.
In addition, heat accumulation water pot unit of the invention is characterised by comprising: heat accumulation water pot；Store above-mentioned heat accumulation water pot
Outer container；The vacuum heat-insulation component of the inner wall of above-mentioned outer container is set；Be filled in above-mentioned heat accumulation water pot and above-mentioned vacuum heat-insulation
Foaming heat insulation component between component, above-mentioned outer container include: the first wall portion, are had for filling above-mentioned foaming heat insulation component
Fill hole；Second wall portion, it is opposite with above-mentioned first wall portion；With a pair of of third wall portion, with above-mentioned first wall portion and above-mentioned second
Wall portion surrounds above-mentioned heat accumulation water pot, the position Chong Die with above-mentioned third wall portion and above-mentioned heat accumulation in above-mentioned vacuum heat-insulation component together
The distance of water pot, be above-mentioned vacuum heat-insulation component in above-mentioned second wall portion overlapping position and above-mentioned heat accumulation water pot at a distance from
On.
In addition, heat accumulation water pot unit of the invention is characterised by comprising: heat accumulation water pot: storing above-mentioned heat accumulation water pot
Outer container；Vacuum heat-insulation component around above-mentioned heat accumulation water pot is set；Be filled in above-mentioned outer container and above-mentioned vacuum heat-insulation portion
Foaming heat insulation component between part, above-mentioned outer container include: the first wall portion, are had for filling filling out for above-mentioned foaming heat insulation component
Fill hole；Second wall portion, it is opposite with above-mentioned first wall portion；A pair of of third wall portion, with above-mentioned first wall portion and above-mentioned second wall portion
Surround above-mentioned heat accumulation water pot together, above-mentioned third wall portion at a distance from above-mentioned vacuum heat-insulation component for above-mentioned second wall portion with it is above-mentioned
It is more than the distance of vacuum heat-insulation component.
The effect of invention
In accordance with the invention it is possible to provide heat-proof quality high heat accumulation water pot unit.
Detailed description of the invention
Fig. 1 is the overall structure figure with the hot-warer supplying machine of heat accumulation water pot unit of first embodiment of the invention.
Fig. 2 is the perspective view for indicating the inside of heat accumulation water pot unit.
Fig. 3 (a) is the cross-sectional view of heat accumulation water pot unit, is (b) magnified partial view of region M shown in (a), is (c)
(a) magnified partial view of region N1 shown in.
Fig. 4 is the explanatory diagram for indicating the filling-foam process of foaming heat insulation component, and (a) is the foaming heat insulation component of filling
The explanatory diagram for the case where infiltration extends to back plate, is (b) explanatory diagram for indicating the case where foaming heat insulation component is foamed, (c)
It is the explanatory diagram for indicating the case where foaming heat insulation component is full of the whole region in the gap in outer container.
Fig. 5 (a) is the cross-sectional view of the heat accumulation water pot unit of second embodiment of the present invention, is (b) area shown in (a)
The magnified partial view of domain M, (c) be region N1 shown in (a) magnified partial view.
Fig. 6 (a) is the cross-sectional view of the heat accumulation water pot unit of third embodiment of the present invention, is (b) area shown in (a)
The magnified partial view of domain M, (c) be region N1 shown in (a) magnified partial view.
Fig. 7 is the cross-sectional view of the heat accumulation water pot unit of the 4th embodiment of the invention.
Fig. 8 is the cross-sectional view of the heat accumulation water pot unit of the 5th embodiment of the invention.
Fig. 9 is to indicate to be filled in the filling-foam process of the foaming heat insulation component of heat accumulation water pot unit of comparative example to say
Bright figure, (a) are the explanatory diagrams for the case where foaming heat insulation component infiltration of filling extends to back plate, are (b) to indicate foaming heat insulation portion
The explanatory diagram for the case where part is foamed is (c) to indicate to generate gap in the state that the foaming of foaming heat insulation component terminates
(void) explanatory diagram of the case where.
The explanation of appended drawing reference
A hot-warer supplying machine
10 heat pump units
20,20A, 20B, 20C, 20D heat accumulation water pot unit
1 heat accumulation water pot
2,2B, 2C, 2D outer container
2a foreboard (the first wall portion)
2b back plate (the second wall portion)
2c, 2d side plate (third wall portion)
2g, 2h lean forward inclined plate (the first wall portion)
2i, 2j hypsokinesis inclined plate (the second wall portion)
2m, 2n connecting plate (the first wall portion)
2p, 2q connecting plate (the second wall portion)
3,3b, 3c, 3d vacuum heat-insulation component
4 foaming heat insulation components
H1, h2 fill hole
Specific embodiment
(first embodiment)
<structure of hot-warer supplying machine>
Fig. 1 is the overall structure figure with the hot-warer supplying machine A of heat accumulation water pot unit 20 of first embodiment.
Hot-warer supplying machine A is heat and will come to the hot water being stored in heat accumulation water pot 1 using heat pump unit 10
The water of watering and the high-temperature water for being stored in heat accumulation water pot 1 are mixed and are supplied to the device of supplying hot water terminal 19.Hot-warer supplying machine A packet
Include heat pump unit 10 and heat accumulation water pot unit 20.
(heat pump unit)
Heat pump unit 10 is that the water at low temperature flowed into from heat accumulation water pot 1 through water inlet pipe 12 is heated into high-temperature water and makes the height
Warm water is back to the device of heat accumulation water pot 1 through hot-water outlet pipe 14.Although it is not shown, still heat pump unit 10 includes compressor, cold
Condenser, pressure reducing valve and evaporator, these components are sequentially connected circlewise by piping.Moreover, by above-mentioned piping with many institutes
Known heat pump cycle recycles thermal medium, using above-mentioned condenser to the low temperature flowed into from heat accumulation water pot 1 through water inlet pipe 12
Water is heated.
(heat accumulation water pot unit)
Heat accumulation water pot unit 20 is for storing hot water.Heat accumulation water pot unit 20 includes heat accumulation water pot 1, storage heat accumulation water pot 1
Outer container 2 and the foaming heat insulation component 4 that is filled between heat accumulation water pot 1 and outer container 2 (with the part indicated).
Fig. 2 is the perspective view for indicating the inside of heat accumulation water pot unit 20.In addition, being piped in Fig. 2 to being cut off in outer container 2
The inside of outer container 2 when covering the side K is illustrated.In addition, omitting foaming heat insulation component 4 (referring to Fig.1) and each piping in Fig. 2
Diagram.
Heat accumulation water pot 1 is the shell component for storing hot water, and shape is cylindrical.More specifically, heat accumulation water pot 1 includes
Cylindric main board 1a, cover main board 1a upper opening hemispherical top siding 1b and covering main board 1a
The hemispherical lower part siding 1c of lower openings.Top siding 1b and lower part siding 1c are welded on main board 1a.
In addition, the constituent material as heat accumulation water pot 1, such as it is able to use stainless steel plate.The storage having a structure in which
Hot-water cylinder 1 is arranged in center axis thereof mode parallel with vertical direction.
It is provided in the outer peripheral surface of heat accumulation water pot 1 and vacates temperature sensor Sa, Sb of specified interval in vertical direction.Upside
Temperature sensor Sa be detection density it is small, be easy float high-temperature water temperature sensor.The temperature sensor Sb of downside
It is the sensor for detecting the temperature of middle warm water of big, the easy sinking of the density compared with high-temperature water.It is arranged in the lower part of heat accumulation water pot 1
There are three leg G, each leg G to be bolted on outer container 2.
Fig. 1 is again returned to continue to illustrate.It is connected in the lower part of heat accumulation water pot 1 for being supplied water to from watering
The water supplying pipe 11 of heat accumulation water pot 1 and the water (water at low temperature) of the lower part for that will be stored in heat accumulation water pot 1 import heat pump unit 10
Water inlet pipe 12.
In addition, being provided with pump 13 in water inlet pipe 12.It is driven by the pump 13, is stored in the lower part of heat accumulation water pot 1
Water at low temperature is through water inlet pipe 12 by force feed to heat pump unit 10.
In addition, being connected on the top of heat accumulation water pot 1 for making the high-temperature water after heat pump unit 10 heats return to heat accumulation
The heat supply water pipe 15 that the high-temperature water on the hot-water outlet pipe 14 of water pot 1 and the top for that will be stored in heat accumulation water pot 1 takes out.Moreover,
Hot-warer supplying machine A's in use, heat accumulation water pot 1 always be full water.
In addition, being provided with water mixing valve 17, which will supply via the branch's water supplying pipe 16 connecting with water supplying pipe 11
Water and the high-temperature water that takes out from the top of heat accumulation water pot 1 via heat supply water pipe 15 mix.Utilize the mixed heat of water mixing valve 17
Water is supplied via heat supply water pipe 18 to supplying hot water terminal 19.
In addition, the structure of hot-warer supplying machine A is not limited to structure shown in FIG. 1.Such as or make to supply from watering
The water given structure of the water channel direct press type of alternating temperature and carrying out heat exchange with the high-temperature water that takes out from heat accumulation water pot 1.
Outer container 2 shown in Fig. 2 is the cabinet for storing the steel plate of heat accumulation water pot 1, and shape is in the rectangular-shape of lengthwise.Outside
Case 2 includes foreboard 2a (the first wall portion: referring to Fig.1), back plate 2b (the second wall portion), a pair of side plates 2c, 2d (third wall portion), top plate
2e and bottom plate 2f.Above-mentioned each plate is become substantially integrally by punch process or welding etc..
In the state that the leg G of heat accumulation water pot 1 is fixed, heat accumulation water pot 1 in a cross section view by foreboard 2a, back plate 2b and
A pair of side plates 2c, 2d is surrounded (referring to Fig. 3).
The front side of outer container 2 is provided with the piping cover K for storing above-mentioned each piping and valve class.Piping cover K is in face out
The box-like (concavity) of one side opening of case 2.Piping cover K is set to outer container 2, thus from each piping of outside masking and valve class.
It is formed with filling hole h1, h2 for filling-foam heat insulating member 4 in foreboard 2a (referring to Fig.1) (referring to Fig. 2).?
The foaming heat insulation component 4 (expanding foam solution) of liquid will be injected (referring to Fig. 4 via filling hole h1, h2 in the state of 2 traverse of outer container
(a)), details is aftermentioned.I.e. foaming heat insulation component 4 is not preshaped forming heat insulating member as foamed styrene,
It but is liquid in filling.
Two fillings hole h1 shown in Fig. 2 is arranged in the position more upper than the heat accumulation water pot 1 being fixed on outer container 2, and two
The position than heat accumulation water pot 1 on the lower is arranged in a filling hole h2.That is, by filling hole h1, h2 injection liquid foaming every
Thermal part 4 does not contact heat accumulation water pot 1 and directly wanders (injection) to back plate 2b (referring to Fig. 4 (a)).
In addition, being formed with multiple air outlet h3 (referring to Fig. 4 (a)) in foreboard 2a, multiple air outlet h3 is used
In foaming heat insulation component 4 foam (expansion) during by the air being full of in the gap in outer container 2 releasing.
Fig. 3 (a) is the cross-sectional view of heat accumulation water pot unit 20.
Foaming heat insulation component 4 (with the part indicated shown in Fig. 3 (a)) is for inhibiting to be stored in heat accumulation water pot 1
The component of the heat leak of hot water is filled between heat accumulation water pot 1 and outer container 2.That is, heat accumulation water pot 1 and outer container 2 inner wall it
Between complete cycle is provided with gap, have foaming heat insulation component 4 in the gap filling.
As foaming heat insulation component 4, such as it is able to use rigid polyurethane foam.Rigid polyurethane foam is
By making two kinds of polyurethane foam liquid of polyol component and isocyanates ingredient in the presence of foaming agent, catalyst, surfactant
Under react obtained from.In addition, being able to use pentamethylene, water, carbonic acid gas etc. as foaming agent.
In addition, the type of foaming heat insulation component 4 is not limited to rigid polyurethane foam.
(gap about heat accumulation water pot and outer container)
Fig. 3 (b) is the magnified partial view of region M shown in Fig. 3 (a).As shown in Fig. 3 (b), in heat accumulation water pot 1 and back plate
Gap is provided between 2b.
As described above, by 2 traverse of outer container in such a way that the foreboard 2a to make to be provided with filling hole h1, h2 is towards vertical top
In the state of filling-foam heat insulating member 4 (referring to Fig. 4 (a)).Therefore, heat accumulation water pot 1 and back plate 2b distance L1 is set, so that
Obtain the entire surface (reference for infiltrating from filling hole h1, h2 to the foaming heat insulation component 4 that back plate 2b wanders (injection) and extending to back plate 2b
Fig. 3 (b)).
Above-mentioned " distance L1 " refer to the immediate position heat accumulation water pot 1 and back plate 2b between the two at a distance from.After in addition,
" the distance L2 " stated refer to (referring to Fig. 3 (c)) heat accumulation water pot 1 and the immediate position side plate 2c (or side plate 2d) between the two
Distance.
Inventors have distinguished by experiment to be 4mm or more, is more preferably in heat accumulation water pot 1 and back plate 2b distance L1
In the case where 5mm or more, the foaming heat insulation component 4 of liquid infiltrates the entire surface for extending to back plate 2b.
In addition, in the case where distance L1 is less than 4mm, as shown in Fig. 9 of comparative example, foaming heat insulation component in above-below direction
4 are difficult to the middle part Q full of back plate 2b (referring to Fig. 9 (a)).As a result, middle part Q generate gap B1 (space, it is so-called
Hollow hole) a possibility that get higher (referring to Fig. 9 (b), Fig. 9 (c)).
Therefore, heat accumulation water pot 1 and back plate 2b distance L1 is 4mm or more, more preferably 5mm or more.Pass through filling as a result,
Foaming afterwards, foaming heat insulation component 4 are easy all areas full of the gap in outer container 2.
Fig. 3 (c) is the magnified partial view of region N1 shown in Fig. 3 (a).
As shown in Fig. 3 (c), it is also equipped with gap between the side plate 2c in heat accumulation water pot 1 and left side, is filled with foaming heat insulation
Component 4 is (also identical between the side plate 2d on heat accumulation water pot 1 and right side: the region N2 of Fig. 3 (a))
Inventors have distinguished that in heat accumulation water pot 1 and side plate 2c, 2d distance L2 be heat accumulation water pot 1 and back plate by experiment
In the case where the distance L1 or more of 2b, foaming heat insulation component 4 can be filled to all areas in the gap in outer container 2.In addition,
In the case where distance L2 is less than distance L1, (referring to Fig. 9 during the foaming heat insulation component 4 sprayed to back plate 2b foams
(a)), foaming heat insulation component 4 forms gap B2 around the gap (referring to Fig. 9 (b)) of the up and down direction spatially with leeway
A possibility that get higher (referring to Fig. 9 (c)).
It is therefore preferable that make heat accumulation water pot 1 and side plate 2c, 2d distance L2 heat accumulation water pot 1 and back plate 2b distance L1 with
On.For example, making heat accumulation water pot 1 and back plate 2b distance L1 5mm, making heat accumulation water pot 1 and side plate 2c, 2d distance L2
In the case where 7mm (>=L1), foaming heat insulation component 4 can be filled to all areas in the gap in outer container 2.
(the filling-foam process of foaming heat insulation component)
Fig. 4 (a) is the explanatory diagram for indicating the case where infiltration of foaming heat insulation component 4 of filling extends to back plate 2b.In addition,
The diagram of each piping and valve class is omitted in Fig. 4.As shown in Fig. 4 (a), by the outer container 2 of storage heat accumulation water pot 1 with foreboard 2a towards lead
The mode traverse of straight top.
Moreover, utilizing around foaming management jig F covering outer container 2 shown in double dot dash line.The foaming manages jig F
Foaming (expansion) including resisting foaming heat insulation component 4, foreboard 2a, back plate 2b, side plate 2c, 2d, top plate 2e and bottom plate 2f is complete
The jig for the plate that portion is pressed to the inside of outer container 2.In turn, nozzle E is inserted into filling hole h1, h2, injects liquid via nozzle E
The foaming heat insulation component 4 (expanding foam solution) of shape.
When injecting foaming heat insulation component 4, foaming heat insulation component 4 is accumulated since the front side of heat accumulation water pot 1 and rear side,
Extension is infiltrated on back plate 2b.Herein, become (referring to Fig. 3 (b)) as described above, heat accumulation water pot 1 and back plate 2b distance L1 4mm with
On.Therefore, foaming heat insulation component 4 infiltrates extension in the entire surface of back plate 2b.
Fig. 4 (a) is the explanatory diagram for indicating the case where foaming heat insulation component 4 foams.Extension is infiltrated in the entire surface of back plate 2b
4 foaming and intumescing of foaming heat insulation component.Herein, heat accumulation water pot 1 and side plate 2c, 2d distance L2 is heat accumulation water pot 1 and back plate 2b
Distance L1 or more.Therefore, not only between the upside of heat accumulation water pot 1, downside (being the left and right sides of paper in Fig. 4 (b))
Gap, and foaming is also filled in the gap (being front side, the inboard of paper in Fig. 4 (b)) of heat accumulation water pot 1 and side plate 2c, 2d
Heat insulating member 4.
Fig. 4 (c) is the explanatory diagram for indicating the case where foaming heat insulation component 4 is full of all areas in the gap in outer container 2.When
When foaming heat insulation 4 foaming and intumescing of component, existing air is forced out by air outlet h3 in outer container 2 before.Then, as schemed
Shown in 4 (c), all areas of the foaming heat insulation component 4 full of the gap in outer container 2.After foaming terminates, foaming heat insulation component 4
Solidification.Moreover, the size relation (L2 >=L1) of above-mentioned distance L1 and distance L2 are no before and after the filling of foaming heat insulation component 4
It changes.
<effect>
According to the present embodiment, so that heat accumulation water pot 1 and back plate 2b distance L1 is 4mm or more, more preferably 5mm or more
Mode design heat accumulation water pot unit 20.Therefore, the infiltration extension of foaming heat insulation component 4 injected from filling hole h1, h2 can be made
To the entire surface of back plate 2b (referring to Fig. 4 (a)).
In addition, heat accumulation water pot 1 and side plate 2c, 2d distance L2 is heat accumulation water pot 1 and back plate 2b distance L1 or more.Cause
This is also filled with foaming heat insulation portion in the gap of heat accumulation water pot 1 and side plate 2c, 2d during foaming heat insulation component 4 foams
Part 4 (referring to Fig. 4 (b)), in turn, all areas in the gap in outer container 2 are full of foaming heat insulation component 4 (referring to Fig. 4 (c)).
That is, the ground very close to each other filling-foam heat insulating member 4 around heat accumulation water pot 1, therefore can be improved storage compared with prior art
The heat-proof quality of hot-water cylinder unit 20.
(second embodiment)
Second embodiment added the inner wall of outer container 2 is set vacuum heat-insulation component 3 (referring to Fig. 5 (a)) this
A little different from first embodiment (referring to Fig. 3 (a)), other aspects are identical with first embodiment.Therefore, to it is first real
It applies the different part of mode to be illustrated, duplicate part is omitted the description.
Fig. 5 (a) is the cross-sectional view of heat accumulation water pot unit 20A.
Vacuum heat-insulation component 3 shown in Fig. 5 (a) is the portion for the heat leak for inhibiting to be stored in the hot water of heat accumulation water pot 1
Part, in the form of sheets.Vacuum heat-insulation component 3 is for example including the core components formed with glass fibre (mineral wool (glass wool) etc.)
With the outsourcing component for coating the core components.As above-mentioned outsourcing component, it is able to use on the resin film of barrier properties for gases
The component for being laminated with the aluminium of film-form and being formed.
As shown in Fig. 5 (a), the inner wall of outer container 2 is arranged in vacuum heat-insulation component 3.That is, the setting of vacuum heat-insulation component 3 exists
The inner surface (entire surface) of the inner surface of foreboard 2a, the inner surface (entire surface) of back plate 2b and side plate 2c, 2d.In addition.In left and right
The center of foreboard 2a does not overlap vacuum heat-insulation component 3 nearby on direction.This is to be easy to carry out temperature sensor Sa, Sb
The replacement of (referring to Fig. 2).
Fig. 5 (b) is the magnified partial view of region M shown in Fig. 5 (a).Make in vacuum heat-insulation component 3 with back plate 2b (second
Wall portion) overlapping position and 1 distance L1 of heat accumulation water pot be 4mm or more, more preferably 5mm or more.This is in order to such as first
As illustrating in embodiment, make foaming heat insulation component 4 (expanding foam solution) leaching via filling hole h1, h2 (referring to Fig. 4) injection
Profit extends to the entire surface of the vacuum heat-insulation component 3 on back plate 2b.
Fig. 5 (c) is the magnified partial view of region N1 shown in Fig. 5 (a).Make in vacuum heat-insulation component 3 with side plate 2c, 2d
The position of (third wall portion) overlapping and 1 distance L2 of heat accumulation water pot are heavy with back plate 2b (the second wall portion) in vacuum heat-insulation component 3
Folded position is more than 1 distance L1 of heat accumulation water pot (referring to Fig. 5 (b)).This is in order to as described in the first embodiment
Like that, make foaming heat insulation component 4 full of all areas in the gap in outer container 2.
<effect>
According to the present embodiment, the high vacuum heat-insulation component 3 of heat-proof quality is arranged in the inner wall of outer container 2, in heat accumulation
Filling-foam heat insulating member 4, thus can be improved heat accumulation compared with first embodiment between water pot 1 and vacuum heat-insulation component 3
The heat-proof quality of water pot unit 20A.
In addition, because the inner wall of foreboard 2a, back plate 2b and side plate 2c, 2d that outer container 2 has be it is planar, can
The vacuum heat-insulation component 3 of sheet is simply arranged in the inner wall of outer container 2.
In addition, passing through the blow pressure of foaming heat insulation component 4, vacuum heat-insulation component 3 is close to the inner wall of outer container 2.That is,
Gap is not generated between vacuum heat-insulation component 3 and outer container 2, therefore can be improved the heat-proof quality of heat accumulation water pot unit 20A.
In addition, by making above-mentioned distance L1 (referring to Fig. 5 (b)) be 4mm or more, and make distance L2 (referring to Fig. 5 (c))
For distance L1 or more, can around heat accumulation water pot 1 ground very close to each other filling-foam heat insulating member 4.Therefore, it can be improved storage
The heat-proof quality of hot-water cylinder unit 20A.
(third embodiment)
This point around heat accumulation water pot 1 is being arranged in vacuum heat-insulation component 3 (referring to Fig. 6 (a)) by third embodiment
Different from second embodiment (referring to Fig. 5 (a)), other aspects are identical as second embodiment.Therefore, to the second embodiment party
The different part of formula is illustrated, and is omitted the description to duplicate part.
Fig. 6 (a) is the cross-sectional view of heat accumulation water pot unit 20B.
Vacuum heat-insulation component 3 shown in Fig. 6 (a) in the form of sheets, is centered around the outer peripheral surface of heat accumulation water pot 1.
In addition, the circumferential length of vacuum heat-insulation component 3 is shorter than the complete cycle of heat accumulation water pot 1.Vacuum heat-insulation component 3 is certainly
The mode that body and the nonoverlapping region of heat accumulation water pot 1 expose temperature sensor Sa, Sb (referring to Fig. 2) is around heat accumulation water pot 1.By
This, can easily replace temperature sensor Sa, Sb when temperature sensor Sa, Sb generate failure.
If Fig. 6 (b) is the magnified partial view of region M shown in Fig. 6 (a).Make back plate 2b (the second wall shown in Fig. 6 (b)
Portion) with 3 distance L1 of vacuum heat-insulation component be 4mm or more, more preferably 5mm or more.This is in order to such as in first embodiment
As middle explanation, make to extend to via foaming heat insulation component 4 (expanding foam solution) infiltration of filling hole h1, h2 (referring to Fig. 4) injection
The entire surface of back plate 2b.
Fig. 6 (c) is the magnified partial view of region N1 shown in Fig. 6 (a).Make side plate 2c, 2d (third wall shown in Fig. 6 (c)
Portion) with 3 distance L2 of vacuum heat-insulation component be back plate 2b (the second wall portion) and 3 distance L1 of vacuum heat-insulation component (reference Fig. 6
(b)) more than.This is to as illustrated in the first embodiment, make foaming heat insulation component 4 full of between in outer container 2
The all areas of gap.
<effect>
According to the present embodiment, the high vacuum heat-insulation component 3 of heat-proof quality is arranged in the outer peripheral surface of heat accumulation water pot 1,
Filling-foam heat insulating member 4 between outer container 2 and vacuum heat-insulation component 3, thus, it is possible to provide heat-proof quality high heat accumulation water pot list
First 20B.
In addition, passing through the blow pressure of foaming heat insulation component 4, vacuum heat-insulation component 3 can be made to be close to the outer of heat accumulation water pot 1
Circumferential surface.In turn, in the top siding 1b (referring to Fig. 2) and lower part siding 1c (ginseng that cannot be completely covered using vacuum heat-insulation component 3
According to Fig. 2) it also being capable of filling-foam heat insulating member 4 with the gap of outer container 2.Therefore, it is able to suppress heat leak in heat accumulation water pot 1 extremely
The outside of outer container 2 can be improved the heat-proof quality of heat accumulation water pot unit 20B.
(the 4th embodiment)
4th embodiment keeps outer container 2C (referring to Fig. 7) real with first for octagon this point in a cross section view
Mode difference is applied, other aspects are identical with first embodiment.Therefore, the part being different from the first embodiment is said
It is bright, duplicate part is omitted the description.
Fig. 7 is the cross-sectional view of heat accumulation water pot unit 20C.
Outer container 2C includes " the first wall portion " with the filling hole (not shown) for filling-foam heat insulating member 4.Should " the
One wall portion " include foreboard 2a, connection foreboard 2a with the inclined plate 2g that leans forward of side plate 2c, connect the inclined plate that leans forward of foreboard 2a Yu side plate 2d
2h.Above-mentioned filling hole, which is for example arranged, is leaning forward on inclined plate 2g, 2h.
In addition, outer container 2C includes " the second wall portion " opposite with above-mentioned " the first wall portion ".After " second wall portion " includes
Plate 2b, connection back plate 2b with the hypsokinesis inclined plate 2i of side plate 2c, connect the hypsokinesis inclined plate 2j of back plate 2b Yu side plate 2d.
Moreover, outer container 2C includes a pair for surrounding heat accumulation water pot 1 together with above-mentioned " the first wall portion " and " the second wall portion "
Side plate 2c, 2d (third wall portion).
Above-mentioned each plate is become substantially integrally by punch process or welding etc., and outer container 2C is in positive eight in a cross section view
Side shape.
In addition, being provided with gap between heat accumulation water pot 1 and outer container 2 throughout circumferential complete cycle, filling in the gap
There is foaming heat insulation component 4.In addition, similarly making at a distance from heat accumulation water pot 1 and back plate 2b (the second wall portion) with first embodiment
For 4mm or more, more preferably 5mm or more (referring to the region M of Fig. 7).
In addition, heat accumulation water pot 1 is heat accumulation water pot 1 and back plate 2b (the second wall at a distance from side plate 2c, 2d (third wall portion)
Portion) distance more than (referring to Fig. 7 region N1, N2).
<effect>
According to the present embodiment, the cross section of outer container 2C is octagon, the cross section with the outer container 2 of first embodiment
(square) is compared closer to round.Therefore, heat accumulation water pot 1 can be made equal in the circumferential at a distance from the inner wall of outer container 2C
It is even.The loading of circumferential foaming heat insulation component 4 is uniform as a result, in addition, the blow pressure acted on heat accumulation water pot 1 is also equal
It is even.Therefore, it is able to suppress the deformation of the heat accumulation water pot 1 with blow pressure.
In addition, space R1, R1 of general triangular can be used as to the setting of piping by the way that lean forward inclined plate 2g, 2h is arranged
Space.Therefore, can make include the heat accumulation water pot unit 20C of piping cover K length in the front-back direction it is shorter than first embodiment,
It can be realized miniaturization.
(the 5th embodiment)
For 5th embodiment compared with the 4th embodiment, the shape of the cross section of outer container 2D (referring to Fig. 8) is different.This
Outside, vacuum heat-insulation component 3b, 3c, 3d (referring to Fig. 8) be arranged in outer container 2D inner wall this point it is different from the 4th embodiment.
In addition, other aspects are identical as the 4th embodiment.Therefore, the part different from the 4th embodiment is illustrated, counterweight
Multiple part omits the description.
Fig. 8 is the cross-sectional view of heat accumulation water pot unit 20D.
Outer container 2D includes " the first wall portion " with the filling hole (not shown) for filling-foam heat insulating member 4.Should " the
One wall portion " includes foreboard 2a, lean forward inclined plate 2g, 2h and connecting plate 2m, 2n.The inclined plate 2g that leans forward is connect with the left end of foreboard 2a, even
Fishplate bar 2m connect with the left end for the inclined plate 2g that leans forward and extends parallel to (the inclined plate 2h that leans forward, connecting plate 2n also phase with foreboard 2a
Together).Above-mentioned filling hole is for example arranged in inclined plate 2g, the 2h of leaning forward.
In addition, outer container 2D includes " the second wall portion " opposite with above-mentioned " the first wall portion ".After " second wall portion " includes
Plate 2b, hypsokinesis inclined plate 2i, 2j and connecting plate 2p, 2q.Hypsokinesis inclined plate 2i is connect with the left end of back plate 2b, connecting plate 2p and rear-inclined
The left end of plate 2i connects and extends parallel to (hypsokinesis inclined plate 2j, connecting plate 2q are also identical) with back plate 2b.
Moreover, outer container 2D includes a pair for surrounding heat accumulation water pot 1 together with above-mentioned " the first wall portion " and " the second wall portion "
Side plate 2c, 2d (third wall portion).
As shown in figure 8, the inner wall in back plate 2b and hypsokinesis inclined plate 2i, 2j is provided with vacuum heat-insulation component 3b.In addition,
The inner wall of the side plate 2c in left side is provided with vacuum heat-insulation component 3c, and the inner wall of the side plate 2d on right side is provided with vacuum heat-insulation
Component 3d.In this way, a part of inner wall become in outer container 2C is provided with vacuum heat-insulation component 3b, 3c, 3d, side plate 2c with
The junction of connecting plate 2p and the junction etc. of side plate 2d and connecting plate 2q are not provided with the structure of vacuum heat-insulation component.Therefore, no
It needs that the manufacturing process of heat accumulation water pot unit 20D can be simplified by vacuumizing the vacuum heat-insulation component bending after solidification etc..
In addition, being spread being set between vacuum heat-insulation component 3b, 3c, 3d of the inner wall of outer container 2D and heat accumulation water pot 1
Being provided with to circumferential complete cycle gap (is heat accumulation water pot 1 and outer container 2C at the nonoverlapping position vacuum heat-insulation component 3b, 3c, 3d
Gap), in the gap filling foaming heat insulation component 4.
In addition, making portion Chong Die with back plate 2b (the second wall portion) in vacuum heat-insulation component 3 similarly to the second embodiment
Position is 4mm or more, more preferably 5mm or more at a distance from heat accumulation water pot 1 (referring to the region M of Fig. 8).
In addition, in vacuum heat-insulation component 3 at a distance from the position of side plate 2c, 2d (third wall portion) overlapping and heat accumulation water pot 1,
For in vacuum heat-insulation component 3 at a distance from the position of back plate 2b (the second wall portion) overlapping and heat accumulation water pot 1 more than (referring to Fig. 8
Region N1, N2).
<effect>
According to the present embodiment, by the way that connecting plate 2m, the 2n parallel with foreboard 2a is arranged, can make to be arranged in connecting plate
The hole (not shown) of 2m, 2n with and the piping (not shown) that is connected on heat accumulation water pot 1 contraposition simplification.
In addition, when assembling outer container 2D, plate-like portion that foreboard 2a, lean forward inclined plate 2g, 2h and connecting plate 2m, 2n are integrally formed
Part is assembled on heat accumulation water pot 1 from front.At this point, if each piping connecting with heat accumulation water pot 1 is all put down in the longitudinal direction
Extend capablely, then can easily be done the positioning (direction up and down in hole and each piping that above-mentioned plate-shaped member is set
On positioning).
Moreover, making to prolong in the longitudinal direction via the hole in inclined plate 2g, 2h providing holes that leans forward not vertical with front-rear direction
In the case where the piping perforation stretched, need to make above-mentioned hole ellipse, and prepare ellipse corresponding with the shape in hole
Seal member (not shown).
It in contrast, according to the present embodiment, can be by being arranged on connecting plate 2m, the 2n vertical with front-rear direction
Circular hole, the piping perforation for extending the left and right sides from heat accumulation water pot 1 forward and backward.Therefore, water storage can be simplified
The assembling operation of tank unit 20D, and can be improved freedom degree when configuration piping.
In addition, heat accumulation water pot unit 20D has high heat-proof quality in the same manner as the respective embodiments described above certainly.
(variation)
Hereinafter, heat accumulation water pot unit 20 etc. of the invention is illustrated by each embodiment, but the present invention is simultaneously
These records are not limited to, various changes are able to carry out.
For example, in various embodiments, the two sides up and down in heat accumulation water pot 1 are provided with the filling of foaming heat insulation component 4
The structure of hole h1, h2 (referring to Fig. 2) are illustrated, but can also be arranged near the center of foreboard 2a in the up-down direction
Fill hole, can also only near the upper end of foreboard 2a or in lower end one at setting filling hole.
In addition it is also possible to replace the filling hole of foreboard 2a in the first embodiment, it is arranged in back plate 2b (the first wall portion)
Fill hole.In this case, make the foreboard 2a opposite with back plate 2b (the second wall portion) and 1 distance L1 4mm of heat accumulation water pot
More than, thus, it is possible to the entire surface infiltration extension foaming heat insulation components 4 in foreboard 2a.In turn, by making side plate 2c, 2d (third
Wall portion) with 1 distance L2 of heat accumulation water pot be above-mentioned distance L1 or more, can all areas in the gap in outer container 2 fill send out
Steep heat insulating member 4.
In addition, in this second embodiment, being provided with vacuum to the inner wall in foreboard 2a, back plate 2b and side plate 2c, 2d
The structure of heat insulating member 3 is illustrated, and not only can also also set in each plate but also in the inner wall of top plate 2e and bottom plate 2f
Set vacuum heat-insulation component 3.
In addition, each embodiment can be suitably combined.Such as third embodiment can also be implemented with the 4th
Mode combines, and making outer container 2C (referring to Fig. 7) is in a cross section view octagon, and vacuum is arranged in the inner wall of outer container 2C
Heat insulating member 3.In addition it is also possible to combine first embodiment with the 5th embodiment, make outer container 2D (reference Fig. 8) for
The shape illustrated in 5th embodiment, and it is not provided with the structure of vacuum heat-insulation component 3.
In addition, each embodiment is described in detail to illustrate to be readily apparent that the present invention, but not
Centainly it is defined in including illustrated all structures.Furthermore it is possible to carry out other knots to a part of the structure of each embodiment
The addition of structure is eliminated, is replaced.
Claims (3)
1. a kind of heat accumulation water pot unit characterized by comprising
Heat accumulation water pot with cylindric side wall；
Store the outer container of the heat accumulation water pot；With
It is filled in the foaming heat insulation component of the hard polyurethane foams between the heat accumulation water pot and the outer container,
The outer container includes:
First wall portion has the filling hole for filling the foaming heat insulation component；
Second wall portion, it is opposite with first wall portion；With
A pair of of third wall portion surrounds the side of the heat accumulation water pot together with first wall portion and second wall portion
Wall,
The third wall portion at a distance from the heat accumulation water pot for second wall portion at a distance from the heat accumulation water pot more than,
Second wall portion and the heat accumulation water pot are 4mm or more closest at a distance from position,
The filling hole, which is arranged in, can not contact the foaming heat insulation component of liquid the heat accumulation water pot and to described
On the position of two wall portions injection, the foaming heat insulation component is by the gap of second wall portion and the heat accumulation water pot and described the
The gap filling of three wall portions and the heat accumulation water pot.
2. a kind of heat accumulation water pot unit characterized by comprising
Heat accumulation water pot with cylindric side wall；
Store the outer container of the heat accumulation water pot；
The vacuum heat-insulation component of the inner wall of the outer container is set；With
It is filled in the foaming heat insulation component of the hard polyurethane foams between the heat accumulation water pot and the vacuum heat-insulation component,
The outer container includes:
First wall portion has the filling hole for filling the foaming heat insulation component；
Second wall portion, it is opposite with first wall portion；With
A pair of of third wall portion surrounds the side of the heat accumulation water pot together with first wall portion and second wall portion
Wall,
It is the vacuum in the vacuum heat-insulation component at a distance from the position of third wall portion overlapping and the heat accumulation water pot
In heat insulating member with second wall portion overlapping position and the heat accumulation water pot at a distance from more than,
The position Chong Die with second wall portion and the heat accumulation water pot closest at position in the vacuum heat-insulation component
Distance is 4mm or more,
The filling hole, which is arranged in, can not contact the foaming heat insulation component of liquid the heat accumulation water pot and to described
Two wall portions injection position on, the foaming heat insulation component by the vacuum heat-insulation component of second wall portion side with it is described
The gap filling of the vacuum heat-insulation component of the gap of heat accumulation water pot and third wall portion side and the heat accumulation water pot.
3. a kind of heat accumulation water pot unit characterized by comprising
Heat accumulation water pot with cylindric side wall；
Store the outer container of the heat accumulation water pot；
Vacuum heat-insulation component around the heat accumulation water pot is set；With
It is filled in the foaming heat insulation component of the hard polyurethane foams between the outer container and the vacuum heat-insulation component,
The outer container includes:
First wall portion has the filling hole for filling the foaming heat insulation component；
Second wall portion, it is opposite with first wall portion；With
A pair of of third wall portion surrounds the side of the heat accumulation water pot together with first wall portion and second wall portion
Wall,
The third wall portion at a distance from the vacuum heat-insulation component for second wall portion and the vacuum heat-insulation component away from
From above,
Second wall portion and the vacuum heat-insulation component are 4mm or more closest at a distance from position,
The filling hole, which is arranged in, can not contact the foaming heat insulation component of liquid the vacuum heat-insulation component and to institute
On the position for stating the injection of the second wall portion, the foaming heat insulation component is by the gap of second wall portion and the vacuum heat-insulation component
With the gap filling of the third wall portion and the vacuum heat-insulation component.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-170583 | 2014-08-25 | ||
| JP2014170583A JP6314060B2 (en) | 2014-08-25 | 2014-08-25 | Hot water storage tank unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105987510A CN105987510A (en) | 2016-10-05 |
| CN105987510B true CN105987510B (en) | 2019-07-12 |
Family
ID=55635637
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510084988.9A Expired - Fee Related CN105987510B (en) | 2014-08-25 | 2015-02-16 | Heat accumulation water pot unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP6314060B2 (en) |
| CN (1) | CN105987510B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603730A (en) * | 2003-09-29 | 2005-04-06 | 日立家用电器公司 | Refrigerator, vacuum insulating shield and manufacturing method thereof |
| JP2011117631A (en) * | 2009-12-01 | 2011-06-16 | Mitsubishi Electric Corp | Storage water heater |
| JP2012132584A (en) * | 2010-12-20 | 2012-07-12 | Toshiba Corp | Method of manufacturing heat insulation box, and heat insulation box |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58160758A (en) * | 1982-03-18 | 1983-09-24 | Matsushita Electric Ind Co Ltd | Method of heat insulation of hot water storing tank |
| US6588378B1 (en) * | 2002-08-28 | 2003-07-08 | Rheem Manufacturing Company | Water heater bottom pad/foam dam apparatus with integrated tank support members |
| CN102241102A (en) * | 2010-05-13 | 2011-11-16 | 海尔集团公司 | Splitter box for injecting materials into water heater, water heater and material injection method of water heater |
-
2014
- 2014-08-25 JP JP2014170583A patent/JP6314060B2/en active Active
-
2015
- 2015-02-16 CN CN201510084988.9A patent/CN105987510B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1603730A (en) * | 2003-09-29 | 2005-04-06 | 日立家用电器公司 | Refrigerator, vacuum insulating shield and manufacturing method thereof |
| JP2011117631A (en) * | 2009-12-01 | 2011-06-16 | Mitsubishi Electric Corp | Storage water heater |
| JP2012132584A (en) * | 2010-12-20 | 2012-07-12 | Toshiba Corp | Method of manufacturing heat insulation box, and heat insulation box |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016044914A (en) | 2016-04-04 |
| CN105987510A (en) | 2016-10-05 |
| JP6314060B2 (en) | 2018-04-18 |
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