CN108507154A - Electric heater - Google Patents
Electric heater Download PDFInfo
- Publication number
- CN108507154A CN108507154A CN201710115362.9A CN201710115362A CN108507154A CN 108507154 A CN108507154 A CN 108507154A CN 201710115362 A CN201710115362 A CN 201710115362A CN 108507154 A CN108507154 A CN 108507154A
- Authority
- CN
- China
- Prior art keywords
- electric heater
- layer
- end cover
- heat
- liner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000009413 insulation Methods 0.000 claims abstract description 51
- 238000009434 installation Methods 0.000 claims description 22
- 239000006260 foam Substances 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 12
- 239000007769 metal material Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 239000013528 metallic particle Substances 0.000 claims description 4
- 239000011888 foil Substances 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000002923 metal particle Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 238000010586 diagram Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000004088 foaming agent Substances 0.000 description 4
- 229920005830 Polyurethane Foam Polymers 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000005187 foaming Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000011496 polyurethane foam Substances 0.000 description 3
- SXKNYNUXUHCUHX-UHFFFAOYSA-N 1,1,2,3,3,4-hexafluorobut-1-ene Chemical compound FCC(F)(F)C(F)=C(F)F SXKNYNUXUHCUHX-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 239000002937 thermal insulation foam Substances 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 239000005439 thermosphere Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/181—Construction of the tank
- F24H1/182—Insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/18—Water-storage heaters
- F24H1/185—Water-storage heaters using electric energy supply
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Thermal Insulation (AREA)
Abstract
The present invention discloses a kind of electric heater, including：Shell is arranged in the tubular of both ends open；Liner is installed in the shell, and is had and offered courage mouth in the first end and second end being oppositely arranged, the second end on the length extending direction of the shell；And first end cover, it is covered on an open end of the shell, and be arranged close to the first end of the liner；The outer surface of the inner surface of the first end cover and/or the liner first end is equipped with thermal insulation layer.Technical scheme of the present invention can improve the heat insulation effect of the electric heater.
Description
Technical field
The present invention relates to household appliance technical field, more particularly to a kind of electric heater.
Background technology
Electric heater generally include in both ends open shell, in shell and one end be equipped with courage mouth liner, with
And the end cap of the opening of the separate courage mouth of casing.It is appreciated that the heat insulation effect of electric heater is better, electric heater is got over
It is energy saving.However, current electric heater is in use, the heat of water is easy to dissipate outward from one end far from courage mouth in liner
It loses, causes the heat insulation effect of electric heater poor.
Invention content
The main object of the present invention is to propose a kind of electric heater, it is intended to improve the heat insulation effect of the electric heater.
To achieve the above object, electric heater proposed by the present invention includes：
Shell is arranged in the tubular of both ends open；
Liner is installed in the shell, and on the length extending direction of the shell in the be oppositely arranged
One end and second end, the second end offer courage mouth；And
First end cover is covered on an open end of the shell, and is arranged close to the first end of the liner；
The outer surface of the inner surface of the first end cover and/or the liner first end is equipped with thermal insulation layer.
Preferably, the thermal insulation layer is vacuum insulation panel layer or heat-reflecting layer.
Preferably, the thermal insulation layer is heat reflection film layer or heat-reflective coating.
Preferably, the thermal insulation layer is metal foil film layer.
Preferably, the thermal insulation layer is to be formed by heat-reflective coating by metallic particles or nano-metal particle.
Preferably, the inner surface of the first end cover is equipped with vacuum insulation panel layer, and the outer surface of the liner first end is set
There is heat-reflecting layer.
Preferably, it is additionally provided with foamed heat insulating between the inner surface of the first end cover and the outer surface of the liner first end
Layer.
Preferably, the first end cover is equipped with reinforcing rib；And/or
The first end cover includes metal material layer.
Preferably, limit flange is equipped in the open end of the shell being connect with the first end cover, the limit is turned over
Limited ring groove of the opening towards another open end is formed between side and the shell；The first end cover include end cap ontology,
And from the periphery of the end cap ontology to the installation flange extended away from the direction of the liner；The installation flange is embedded peace
Loaded on the limited ring groove.
Preferably, the electric heater further includes that the first installation set on the first end cover outer surface is covered, and described first
Interval is formed with a heat-insulation chamber between installation lid and the first end cover, and heat-barrier material is filled in the heat-insulation chamber.
Technical scheme of the present invention by the outer surface of the inner surface of first end cover and/or liner first end be arranged every
Thermosphere, the rate that the heat to slow down water in liner by the thermal insulation layer scatters and disappears outward from liner first end, to improve the electricity
The heat insulation effect of water heater.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
The structure shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the part-structure schematic diagram of one embodiment of electric heater of the present invention；
Fig. 2 is the enlarged structure schematic diagram at A in Fig. 1；
Fig. 3 is the cross section structure schematic diagram of the first end cover of electric heater in Fig. 1；
Fig. 4 is the enlarged structure schematic diagram at B in Fig. 3；
Fig. 5 is the structural schematic diagram of the first end cover of electric heater in Fig. 1.
Drawing reference numeral explanation：
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art obtained without creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the embodiment of the present invention directionality instruction (such as up, down, left, right, before and after ...),
Then directionality instruction be only used for explaining relative position relation under a certain particular pose (as shown in the picture) between each component,
Motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
If in addition, relating to the description of " first ", " second " etc. in the embodiment of the present invention, it is somebody's turn to do " first ", " second " etc.
Description be used for description purposes only, be not understood to indicate or imply its relative importance or implicitly indicate indicated skill
The quantity of art feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In addition, the technical solution between each embodiment can be combined with each other, but must be with those of ordinary skill in the art's energy
It is enough realize based on, when the knot that conflicting or cannot achieve when will be understood that this technical solution occurs in the combination of technical solution
Conjunction is not present, also not the present invention claims protection domain within.
The present invention proposes a kind of electric heater.
Referring to Figures 1 and 2, in an embodiment of the present invention, which includes：
Shell 1 is arranged in the tubular of both ends open；
Liner 2 is installed in shell 1, and on the length extending direction of shell 1 in the first end that is oppositely arranged and
Second end, second end offer courage mouth 20；And
First end cover 3 is covered on an open end of shell 1, and close to the setting of the first end of liner 2.
In the present embodiment, the outer surface of 2 first end of inner surface and liner of first end cover 3 is equipped with thermal insulation layer 71, with logical
It crosses thermal insulation layer 71 and slows down the rate that the heat of water in liner 2 scatters and disappears outward from 2 first end of liner, to improve the electric heater
Heat insulation effect.Right the design is without being limited thereto, also can be only in the inner surface of first end cover 3 and liner 2 first in other embodiment
The thermal insulation layer 71 is arranged in one of the outer surface at end.
In the present invention, the thermal insulation layer 71 can be vacuum insulation panel layer or heat-reflecting layer.Vacuum insulation panel layer has
There is good heat insulation, the outside of heat can effectively be hindered to scatter and disappear；Heat-reflecting layer can be by heat back reflection, to effectively limit
The outside of heating capacity scatters and disappears；Certainly, in other embodiment, the thermal insulation layer 71 can also have other heat insulation structurals.
It should be noted that when thermal insulation layer 71 is heat-reflecting layer, thermal insulation layer 71 both can be to be covered in first end cover 3
The heat reflection film layer of 2 first end outer surface of surface or liner, such as, but not limited to metal foil film layer；Or coated in the
The heat-reflective coating of 2 first end outer surface of one end cap, 3 inner surface or liner, such as, but not limited to by metallic particles or nanometer
Metallic particles is formed by heat-reflective coating.
In this embodiment, it is preferred that the inner surface of first end cover 3 is equipped with vacuum insulation panel layer, 2 first end of liner it is outer
Surface is then equipped with heat-reflecting layer (not shown).The technical program in 2 first end of liner by being arranged heat-reflecting layer, it can be achieved that in source
Head upper limit heating capacity scatters and disappears, and by the way that vacuum insulation panel layer is arranged in first end cover 3, carrys out the speed of further retarding heat loss
Rate, to effectively improve the heat insulation effect of the electric heater.
Further, it is additionally provided with insulating foam layer between the outer surface of 2 first end of inner surface and liner of first end cover 3
51.It should be noted that in the present embodiment, the side of the insulating foam layer 51 passes through vacuum insulation panel layer and first end cover 3
Connection, the other side is connect by heat-reflecting layer with 2 first end of liner.In addition, the insulating foam layer 51 is typically to pass through high pressure
Bubble equipment injects expanded material high pressure and molding, and the setting of the insulating foam layer 51 can further decrease 2 first end of liner
Heat loss rate, improve liner 2 heat insulation effect.
In the present embodiment, the insulating foam layer 51 between 2 first end of first end cover 3 and liner is preferably hard polyaminoester
Foaming layer, compared to the expanded material of common foaming layer, the heat-insulating property of polyurethane foam is more preferable, can improve electric heater
Heat-insulating property.Preferably, which is to use to contain foaming agent LBA (anti-form-1-chloro- 3,3,3- trifluoropropyls
Alkene) and/or the expanded material institute high-pressure foam of foaming agent FEA-1100 (hexafluorobutene) it is molding, foaming agent LBA and foaming agent
FEA-1100 (hexafluorobutene) is green-blowing agent, meets environmental requirement.In addition, in the present embodiment, the inner surface of shell 1
It is also preferably provided with hard polyurethane foam layer 52 between the peripheral surface of liner 2, and the inner surface of first end cover 3 and liner 2 the
Hard polyurethane foam layer between the outer surface of one end and shell 1 inner surface and the peripheral surface of liner 2 is preferred
It is foaming-formed, to reduce number and the time of the high-pressure foam operation needed for the electric heater, improves manufacture efficiency.
If the thickness for the insulating foam layer 51 being appreciated that between 2 first end of first end cover 3 and liner is excessively thin, it is difficult to full
Sufficient thermal requirements；If its thickness is blocked up, the volume of electric heater is larger and required cost is higher；In the present embodiment, first end cover
The thickness of insulating foam layer 51 between 3 and 2 first end of liner is preferably 5 millimeters~20 millimeters, to take into account heat preservation and cost.
Further, which further includes the second end cover (not shown) set on 1 other end of shell, the second end cover
Corresponding courage mouth 20 offers operation aperture, and detachable cover is equipped with the second installation lid (not shown) in the operation aperture.This implementation
In example, the pipeline structure that the setting of second end cover and the second installation lid can avoid at 2 courage mouth 20 of liner is exposed outside.In addition, the
Two opening for installation lid unload setting, can be convenient for the repair and replacement of the pipeline structure.
In the present embodiment, the outer surface of first end cover 3 is also preferably equipped with the first installation lid 4, the first installation lid 4 and the
Two installation lids are in the both ends for being symmetrically located at shell 1, i other words, the first installation lid 4 is of similar shape with the second installation lid
And size, in this way, may make the left and right ends of the electric heater that there is almost the same surface structure.In addition, the first installation lid 4
It may also function as the effect of enhancing 3 intensity of first end cover.
It is appreciated that insulating foam layer 51 is by the way that high-pressure foam equipment injects expanded material high pressure is molding, because
This, in foaming process, first end cover 3 can be by prodigious blow pressure.
Referring to Figure 2 to Figure 4, limit flange is equipped in the present embodiment, in the open end of shell 1 being connect with first end cover 3
11, and limited ring groove 12 of the opening towards another open end is formed between the limit flange 11 and shell 1.First end cover 3 is then
Periphery including end cap ontology 31 and from end cap ontology 31 is to the installation flange 32 extended away from the direction of liner 2.The installation
Flange 32, which is embedded, is installed on limited ring groove 12, in this way, when first end cover 3 is when by high-pressure foam pressure outwardly, the limit
Flange 11 can form blocking to the installation flange 32 that is embedded in limited ring groove 12, to limit in first end cover 3 faces away from
The direction of 2 first end of courage is detached from shell 1.In addition, under high-pressure foam pressure, the free end of installation flange 32 can closely abut limit
The slot bottom of position annular groove 12, is tightly connected so as to be formed between first end cover 3 and shell 1, to avoid the expanded material of high pressure from
It overflows junction between first end cover 3 and shell 1.
With reference to Fig. 5, further, in the present embodiment, become to avoid first end cover 3 from generating plasticity because of blow pressure
Shape influences user's use, and first end cover 3 is additionally provided with reinforcing rib 36, to enhance the rigidity of first end cover 3 by reinforcing rib 36.Separately
Outside, during carrying electric heater, first end cover 3 may also can be collided pressure due to not expected collision, because
This, is enhanced the rigidity of first end cover 3 by reinforcing rib 36, can also reduce first end cover 3 and generate plastic deformation because of impact pressure
Probability.
In addition, in the present embodiment, reinforcing rib 36 is preferably disposed to the inner surface of first end cover 3, appears to avoid reinforcing rib 36
Outside, to reduce the probability that dust etc. deposits on 3 outer surface of first end cover.
Further, to further enhance the rigidity of first end cover 3, first end cover 3 may also include metal material layer, can be with
Understand, compared to common plastic parts first end cover 3, metal material layer may make first end cover 3 to have preferably rigidity.It needs
Illustrate, in the present invention, first end cover 3 can only have one layer of structure, and this layer of structure is metal material layer, i.e. first end cover
3 are integrated with made by metal material；First end cover 3 can also have multilayered structure, such as, but not limited to include mutually being stacked
Metal material layer and plastic material layer.
Referring to Figures 1 and 2, in the present embodiment, further, it is spaced between the first installation lid 4 and first end cover 3
It is formed with a heat-insulation chamber 61, and is filled with heat-barrier material (not shown) in the heat-insulation chamber 61, in this way, can be by this filled with heat-insulated
The heat-insulation chamber 61 of material further slows down the rate that the heat of water in liner 2 scatters and disappears outward from 2 first end of liner, so as into one
Step improves the heat insulation effect of the electric heater.
If being appreciated that, the thickness of heat-insulation chamber 61 is excessively thin, it is difficult to meet thermal requirements；If the thickness of heat-insulation chamber 61 is blocked up,
The volume of electric heater is larger；In the present embodiment, the thickness range of heat-insulation chamber 61 is preferably 1 millimeter~5 millimeters, to take into account heat preservation
And volume.In addition, heat-barrier material is preferably at least one of heat insulation foam and aeroge composite felt, heat insulation foam and aeroge are compound
The heat insulation of felt is good, and is easily obtained；Certainly, in other embodiment, may be used heat insulation it is good other every
Hot material.
The foregoing is merely the preferred embodiment of the present invention, are not intended to limit the scope of the invention, every at this
Under the inventive concept of invention, using equivalent structure transformation made by description of the invention and accompanying drawing content, or directly/use indirectly
In the scope of patent protection that other related technical areas are included in the present invention.
Claims (10)
1. a kind of electric heater, which is characterized in that including：
Shell is arranged in the tubular of both ends open；
Liner is installed in the shell, and is had on the length extending direction of the shell in the first end being oppositely arranged
And second end, the second end offer courage mouth；And
First end cover is covered on an open end of the shell, and is arranged close to the first end of the liner；
The outer surface of the inner surface of the first end cover and/or the liner first end is equipped with thermal insulation layer.
2. electric heater as described in claim 1, which is characterized in that the thermal insulation layer is vacuum insulation panel layer or heat reflection
Layer.
3. electric heater as claimed in claim 2, which is characterized in that the thermal insulation layer is that heat reflection film layer or heat reflection apply
Layer.
4. electric heater as claimed in claim 3, which is characterized in that the thermal insulation layer is metal foil film layer.
5. electric heater as claimed in claim 3, which is characterized in that the thermal insulation layer is by metallic particles or nano metal
Particle is formed by heat-reflective coating.
6. electric heater as claimed in claim 2, which is characterized in that the inner surface of the first end cover is equipped with vacuum insulation panel
The outer surface of layer, the liner first end is equipped with heat-reflecting layer.
7. such as claim 1 to 6 any one of them electric heater, which is characterized in that the inner surface of the first end cover and institute
It states and is additionally provided with insulating foam layer between the outer surface of liner first end.
8. electric heater as claimed in claim 7, which is characterized in that the first end cover is equipped with reinforcing rib；And/or
The first end cover includes metal material layer.
9. electric heater as claimed in claim 7, which is characterized in that the opening of the shell being connect with the first end cover
It is equipped with limit flange in end, spacing ring of the opening towards another open end is formed between the limit flange and the shell
Slot；The first end cover includes end cap ontology and extends from the periphery of the end cap ontology to away from the direction of the liner
Installation flange；The installation flange, which is embedded, is installed on the limited ring groove.
10. electric heater as claimed in claim 7, which is characterized in that the electric heater further includes being set to the first end
First installation lid of exterior surface, interval is formed with a heat-insulation chamber between the first installation lid and the first end cover, described
Heat-barrier material is filled in heat-insulation chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115362.9A CN108507154A (en) | 2017-02-28 | 2017-02-28 | Electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710115362.9A CN108507154A (en) | 2017-02-28 | 2017-02-28 | Electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108507154A true CN108507154A (en) | 2018-09-07 |
Family
ID=63374182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710115362.9A Pending CN108507154A (en) | 2017-02-28 | 2017-02-28 | Electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108507154A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201531997U (en) * | 2009-08-03 | 2010-07-21 | 海尔集团公司 | Electric water heater |
| CN102032663A (en) * | 2009-09-24 | 2011-04-27 | 海尔集团公司 | Water heater |
| CN201945032U (en) * | 2011-01-21 | 2011-08-24 | 龚海艳 | Electric water heater |
| CN203561068U (en) * | 2013-09-04 | 2014-04-23 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN203629000U (en) * | 2013-10-31 | 2014-06-04 | 芜湖美的厨卫电器制造有限公司 | Water storage type electric water heater |
| CN203949352U (en) * | 2014-04-10 | 2014-11-19 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| JP2015140935A (en) * | 2014-01-27 | 2015-08-03 | 株式会社コロナ | Hot water storage type hot water supply device |
| CN204630023U (en) * | 2015-04-21 | 2015-09-09 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN106052109A (en) * | 2016-07-11 | 2016-10-26 | 芜湖美的厨卫电器制造有限公司 | Water storage type electric water heater and manufacturing method thereof |
| CN205807852U (en) * | 2016-05-17 | 2016-12-14 | 九阳股份有限公司 | A kind of electric heater |
| CN206670017U (en) * | 2017-02-28 | 2017-11-24 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
-
2017
- 2017-02-28 CN CN201710115362.9A patent/CN108507154A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201531997U (en) * | 2009-08-03 | 2010-07-21 | 海尔集团公司 | Electric water heater |
| CN102032663A (en) * | 2009-09-24 | 2011-04-27 | 海尔集团公司 | Water heater |
| CN201945032U (en) * | 2011-01-21 | 2011-08-24 | 龚海艳 | Electric water heater |
| CN203561068U (en) * | 2013-09-04 | 2014-04-23 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN203629000U (en) * | 2013-10-31 | 2014-06-04 | 芜湖美的厨卫电器制造有限公司 | Water storage type electric water heater |
| JP2015140935A (en) * | 2014-01-27 | 2015-08-03 | 株式会社コロナ | Hot water storage type hot water supply device |
| CN203949352U (en) * | 2014-04-10 | 2014-11-19 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN204630023U (en) * | 2015-04-21 | 2015-09-09 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN205807852U (en) * | 2016-05-17 | 2016-12-14 | 九阳股份有限公司 | A kind of electric heater |
| CN106052109A (en) * | 2016-07-11 | 2016-10-26 | 芜湖美的厨卫电器制造有限公司 | Water storage type electric water heater and manufacturing method thereof |
| CN206670017U (en) * | 2017-02-28 | 2017-11-24 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104729186B (en) | Refrigerator | |
| BR112016009163B1 (en) | isolation of cooking oven and cooking oven | |
| CN206670017U (en) | Electric heater | |
| CN108507154A (en) | Electric heater | |
| CN104154697A (en) | Door of refrigerator | |
| CN206100780U (en) | Antifouling cell -phone shell with heat dissipation function | |
| CN105135795A (en) | Door for a household refrigeration device comprising a vacuum insulation member and a household refrigeration device | |
| CN106052109A (en) | Water storage type electric water heater and manufacturing method thereof | |
| CN205857430U (en) | A kind of vacuum heat-insulating plate being applicable to building field | |
| CN206695369U (en) | Electric heater | |
| CN206670016U (en) | Electric heater | |
| CN207945888U (en) | A kind of ducting assembly and wind cooling refrigerator of wind cooling refrigerator | |
| CN109246997A (en) | A kind of flexible heat structure and electronic product | |
| CN105953509B (en) | Refrigerator and casing assembly for refrigerator | |
| CN108507153A (en) | Electric heater | |
| CN204630023U (en) | Electric heater | |
| CN211344469U (en) | Novel heat insulation board | |
| CN108507182A (en) | Insulation board, wall hanging installation structure and water heater | |
| TWI461645B (en) | Refrigerator | |
| CN205238697U (en) | Prevent static aluminium membrane bag that insulates against heat | |
| CN206670013U (en) | Electric heater | |
| CN206583076U (en) | Electric heater | |
| CN205849265U (en) | Insulating pot inner bag and insulating pot | |
| CN206670020U (en) | Electric heater | |
| CN205843017U (en) | Storage-type electric water heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180907 |
|
| RJ01 | Rejection of invention patent application after publication |