CN106322749A - Electric water heater - Google Patents
Electric water heater Download PDFInfo
- Publication number
- CN106322749A CN106322749A CN201510378456.6A CN201510378456A CN106322749A CN 106322749 A CN106322749 A CN 106322749A CN 201510378456 A CN201510378456 A CN 201510378456A CN 106322749 A CN106322749 A CN 106322749A
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- CN
- China
- Prior art keywords
- electrode
- built
- electric heater
- heating tube
- electric heating
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 23
- 238000005485 electric heating Methods 0.000 claims abstract description 46
- 230000000694 effects Effects 0.000 claims abstract description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 239000013642 negative control Substances 0.000 claims description 7
- 239000013641 positive control Substances 0.000 claims description 7
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- 238000005260 corrosion Methods 0.000 claims description 3
- 230000007797 corrosion Effects 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004745 nonwoven fabric Substances 0.000 claims description 3
- 229910052719 titanium Inorganic materials 0.000 claims description 3
- 239000010936 titanium Substances 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 239000003610 charcoal Substances 0.000 claims 1
- 238000003287 bathing Methods 0.000 abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 4
- 229910001425 magnesium ion Inorganic materials 0.000 description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 3
- 229910006367 Si—P Inorganic materials 0.000 description 3
- 229910000019 calcium carbonate Inorganic materials 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- ZLNQQNXFFQJAID-UHFFFAOYSA-L magnesium carbonate Chemical compound [Mg+2].[O-]C([O-])=O ZLNQQNXFFQJAID-UHFFFAOYSA-L 0.000 description 3
- 239000001095 magnesium carbonate Substances 0.000 description 3
- 229910000021 magnesium carbonate Inorganic materials 0.000 description 3
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 3
- 239000000347 magnesium hydroxide Substances 0.000 description 3
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 230000005764 inhibitory process Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 210000000232 gallbladder Anatomy 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
Landscapes
- Resistance Heating (AREA)
Abstract
The invention discloses an electric water heater, and relates to the technical field of electric water heaters. The electric water heater comprises an inner container, an electric heating pipe, a flange plate used for installing the electric heating pipe and a built-in electrode, wherein the built-in electrode is installed inside the inner container and is close to the electric heating pipe. The electric water heater of the invention adopts the built-in electrode to remove water scale, greatly improves the descaling effect of the electric water heater, reduces the hardness of water and improves the bathing water quality.
Description
Technical field
The present invention relates to electric heater technical field, particularly relate to a kind of electric heater with descaling function.
Background technology
After electric heater uses a period of time, the surface adding heat pipe in its inner bag easily produces incrustation scale, thus leads
Pyrogenicity transfer efficiency declines, and substantially reduces the service life adding heat pipe.
At present, it is to avoid the method for heating tube of electric heater fouling mainly has two kinds: a kind of method is to add heat pipe
Surface-coated hydrophobic material, reduces incrustation scale attachment；Another kind of method is to add Si-P crystal in water inlet pipe import department
Medicinal cupping or filter element, reduce the reactivity of calcium ions and magnesium ions, thus reach the purpose of scale inhibition.Wherein, heat pipe is added
The method of surface-coated hydrophobic material can only reduce and adds heat pipe fouling, can not reduce hardness of water and improve water
Matter.Si-P crystal is owned by France in chemical method, additionally adds chemical substance, not only can affect healthy in water,
And Si-P crystal medicinal cupping or filter element are difficult to integrated with electric heater, need extra installation, take up room and the most beautiful
See.
Summary of the invention
It is an object of the invention to propose a kind of electric heater, this electric heater can be prevented effectively from and add heat pipe table
Face produces incrustation scale, and scale removal is respond well, substantially improves bathing water quality.
For reaching this purpose, the present invention by the following technical solutions:
The invention provides a kind of electric heater, including inner bag, electric heating tube and for installing electric heating tube
Ring flange, also includes that built-in electrode, described built-in electrode are arranged on the inside of inner bag, and near electric heating tube
Arrange.
As the preferred version of a kind of electric heater, described electric heater also include built-in electrode anelectrode and
The positive and negative control circuit for controlling the exchange of each electrode positive and negative electrode polarity connected between negative electrode, described
Positive and negative control circuit is connected with control panel.
As the preferred version of a kind of electric heater, described built-in electrode includes being connected with power supply and sheathed circle
Cylindricality positive electrode layer and cylindrical positive electrode layer, described cylindrical positive electrode layer and cylindrical positive electrode layer are all adopted
Wind by active carbon fiber felt or active carbon cloth and non-woven fabrics alternative stacked and form.
As the preferred version of a kind of electric heater, described built-in electrode is arranged on ring flange, described built-in
Electrode package is rolled in the outside of electric heating tube or is positioned at the inner side of electric heating tube.
As the preferred version of a kind of electric heater, described built-in electrode is arranged on the bottom of inner bag, described interior
Put electrode and near the fire end of electric heating tube and be perpendicular to electric heating tube setting.
As the preferred version of a kind of electric heater, described built-in electrode includes lamellar anelectrode and with lamellar just
Electrode is just to the sheet-like negative electrode arranged, and described lamellar anelectrode and sheet-like negative electrode are parallel to electric heating tube and set
Put.
As the preferred version of a kind of electric heater, described built-in electrode is arranged on ring flange, described lamellar
Anelectrode and lay respectively at the upper and lower sides of electric heating tube with lamellar anelectrode or be positioned at the inner side of electric heating tube.
As the preferred version of a kind of electric heater, described lamellar anelectrode and sheet-like negative electrode all use surface
The titanium net of coating corrosion-resistant finishes is made.
The invention have the benefit that
The invention provides a kind of electric heater, the electric heater of the application uses built-in electrode to remove scale removal,
Substantially increase the scale removal effect of electric heater, reduce hardness of water, improve bathing water quality.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, the embodiment of the present invention will be retouched below
In stating, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only
Some embodiments of the present invention, for those of ordinary skill in the art, are not paying creative work
Under premise, it is also possible to content according to embodiments of the present invention and these accompanying drawings obtain other accompanying drawing.
Fig. 1 is the assembly structure figure of the electric heater built-in electrode that the embodiment of the present invention one provides；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is the assembly structure figure of the electric heater built-in electrode that the embodiment of the present invention two provides；
Fig. 5 is the top view of Fig. 4；
Fig. 6 is the left view of Fig. 4；
Fig. 7 is the assembly structure figure of the electric heater built-in electrode that the embodiment of the present invention three provides；
Fig. 8 is the assembly structure figure of the electric heater built-in electrode that the embodiment of the present invention four provides；
Fig. 9 is the top view of Fig. 8；
Figure 10 is the left view of Fig. 8；
Figure 11 is the assembly structure figure of the electric heater built-in electrode that the embodiment of the present invention five provides；
Figure 12 is the top view of Figure 11；
Figure 13 is the left view of Figure 11.
In figure:
1, electric heating tube；2, ring flange；3, built-in electrode；31, cylindrical positive electrode layer；32, circle
Cylindricality positive electrode layer；33, lamellar anelectrode；34, sheet-like negative electrode；4, filter layer；5, built-in electrode
Binding post.
Detailed description of the invention
Technical scheme and the technique effect reached for making to present invention solves the technical problem that, using are more clear
Chu, is described in further detail the technical scheme of the embodiment of the present invention below in conjunction with accompanying drawing, it is clear that
Described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on this
Embodiment in bright, those skilled in the art obtained under not making creative work premise all its
His embodiment, broadly falls into the scope of protection of the invention.
Embodiment one
The present embodiment proposes the first electric heater, as shown in Figure 1 to Figure 3, in this electric heater includes
Gallbladder, electric heating tube 1, for installing ring flange 2 and the built-in electrode 3 of electric heating tube 1.At the present embodiment
In, built-in electrode 3 is arranged on the inside of inner bag, and arranges near electric heating tube 1.Preferably, electrical heating
Pipe 1 adds heat pipe for U-shaped.
Electric heater also include connecting between anelectrode and the negative electrode of built-in electrode 3 for controlling each electrode
The positive and negative control circuit that positive and negative electrode polarity is exchanged, positive and negative control circuit is connected with control panel.Just countercharge
Circuit processed can control the anelectrode of built-in electrode 3 and negative electrode carries out polarity according to predetermined time and/or frequency
Exchange, and the commutation cycle of positive and negative control circuit can be set by control panel according to specifically used situation, fixed
Shi Genghuan positive and negative electrode electrical, thus effectively prevent from inner bag adds the deposition of heat pipe incrustation scale.
In the present embodiment, as shown in Figure 1 to Figure 3, built-in electrode 3 includes being connected with power supply and sheathed
Cylindrical positive electrode layer 31 and cylindrical positive electrode layer 32.Preferably, cylindrical positive electrode layer 31 and cylinder
Shape positive electrode layer 32 be arranged in parallel, and both are connected with power positive cathode by built-in electrode binding post 5.Cylinder
Shape positive electrode layer 31 and cylindrical positive electrode layer 32 all use active carbon fiber felt or active carbon cloth and non-woven fabrics
Alternative stacked winding forms.Built-in electrode 3 is arranged on ring flange 2, and built-in electrode 3 collects with ring flange 2
Integral, built-in electrode binding post 5 stretches out the outer end of ring flange 2, and then the number of openings of minimizing inner bag,
It is easy to processing install.
Built-in electrode 3 is wrapped in the outside of electric heating tube 1 respectively, concrete, the cylinder of built-in electrode 3
Positive electrode layer 31 and cylindrical positive electrode layer 32 are all wrapped in the outside of electric heating tube 1.
In the present embodiment, the on-load voltage of built-in electrode 3 is 1.8V, built-in electrode after separated in time
The positive and negative electrode layer reversion of 3, the crystallite calcium carbonate that positive electrode layer is formed, magnesium carbonate, magnesium hydroxide etc. are heavy
Shallow lake material comes off, and washes away with current, finally realizes scale removal purpose.
After built-in electrode 3 energising, there is following electrochemical reaction:
Cylindrical positive electrode layer 31:
2H2O→O2↑+2H++2e-
4OH-→O2↑+2H20+4e-
Cylindrical positive electrode layer 32:
HCO3 -+OH-→CO3 2-+H2O
Ca2++CO3 2-→CaCO3↓
Mg2++2OH-→Mg(OH)2↓
Mg2++CO3 2-→MgCO3↓
Calcium ions and magnesium ions in water is deposited on built-in electrode 3 with calcium carbonate, magnesium carbonate, the form of magnesium hydroxide
Cylindrical positive electrode layer 32, thus reduce hardness of water.
Water enters in inner bag and carries out dirty removing processing through built-in electrode 3, hinder incrustation scale in the deposition of electric heating tube,
Substantially increase the scale removal effect of electric heater, effectively reduce hardness of water, improve bathing water quality.
Embodiment two
The present embodiment proposes the second electric heater, and this electric heater includes built-in electrode 3, wherein, interior
The structure putting electrode 3 is identical with the structure of the built-in electrode described in embodiment one, omits at this and describes.
The electric heater of the present embodiment is in place of distinguishing with the electric heater described in embodiment one: the present embodiment
Built-in electrode 3 relative to electric heating tube 1 to arrange position different.
In the present embodiment, concrete, as shown in Figures 4 to 6, built-in electrode 3 is arranged on ring flange 2
Go up and be positioned at the inner side of electric heating tube 1, say, that the cylindrical positive electrode layer 31 of built-in electrode 3 and circle
Cylindricality positive electrode layer 32 is inside U-shaped electric heating tube 1 in space between two straight tubes.Cylindrical positive electricity
It is provided with filter layer 4 between pole layer 31 and cylindrical positive electrode layer 32.
Embodiment three
The present embodiment proposes the third electric heater, and this electric heater includes built-in electrode 3, wherein, interior
The structure putting electrode 3 is identical with the structure of the built-in electrode described in embodiment one, omits at this and describes.
The electric heater of the present embodiment is in place of distinguishing with the electric heater described in embodiment one: the present embodiment
Built-in electrode 3 relative to electric heating tube 1 to arrange position different.
In the present embodiment, concrete, as it is shown in fig. 7, built-in electrode 3 is arranged on the bottom of inner bag, interior
Put electrode 3 near the fire end of electric heating tube 1 and to be perpendicular to electric heating tube 1 and arrange.
Embodiment four
The present embodiment proposes the 4th kind of electric heater, and this electric heater includes built-in electrode 3, the present embodiment
Electric heater with described in embodiment one electric heater distinguish in place of be: the built-in electrode 3 of the present embodiment
Structure with position and the structure of the built-in electrode described in embodiment one are set and to arrange position different.
In the present embodiment, concrete, as shown in Fig. 8 to Figure 10, built-in electrode 3 includes being connect by electrode
Lamellar anelectrode 33 that terminal is connected with power positive cathode the and just lamellar arranged being born with lamellar anelectrode 33
Electrode 34, lamellar anelectrode 33 and sheet-like negative electrode 34 are parallel to electric heating tube 1 and arrange.At the present embodiment
In, lamellar anelectrode 33 and sheet-like negative electrode 34 all preferably employ the titanium net system of surface-coated corrosion-resistant finishes
Form.
Built-in electrode 3 is arranged on ring flange 2, and lamellar anelectrode 33 and sheet-like negative electrode 34 lay respectively at
The upper and lower sides of electric heating tube 1.
The lamellar anelectrode 33 of built-in electrode 3 and sheet-like negative electrode 34 distance with electric heating tube 1 respectively is
3-10mm, the width of lamellar anelectrode 33 and sheet-like negative electrode 34 is 5mm-50mm, adds according to concrete electricity
The size of heat pipe 1, the size dimension of lamellar anelectrode 33 and sheet-like negative electrode 34 is to cover electric heating tube 1
It is advisable.
Further, since the fire end of electric heating tube 1 is in front end, in order to save material, can be only near electricity
The part adding heat pipe 1 fire end installs lamellar positive and negative electrode, and remainder is the cylinder as described in embodiment one
Shape positive and negative electrode layer.
Embodiment five
The present embodiment proposes the 5th kind of electric heater, and this electric heater includes built-in electrode 8, wherein, interior
The structure putting electrode 3 is identical with the structure of the built-in electrode described in embodiment four, omits at this and describes.
The electric heater of the present embodiment is in place of distinguishing with the electric heater described in embodiment four: the present embodiment
Built-in electrode 3 relative to electric heating tube 1 to arrange position different.
In the present embodiment, concrete, as shown in Figure 11 to Figure 13, built-in electrode 3 is arranged on ring flange
On, it being parallel to electric heating tube 1 and arrange, lamellar anelectrode 33 and sheet-like negative electrode 34 are positioned at electric heating tube 1
Inner side, say, that lamellar anelectrode 33 and the sheet-like negative electrode 34 of built-in electrode 3 are positioned at U-shaped electricity
Add inside heat pipe 1 in the space between two straight tubes.
Distance 3-10mm of the lamellar anelectrode 33 of built-in electrode 3 and sheet-like negative electrode 34 and electric heating tube 1,
The width of lamellar anelectrode 33 and sheet-like negative electrode 34 is 5mm-30mm, less than inner-tube mouth size, thickness
For 0.5-5mm, length extends to electric heating tube front end from ring flange.
In like manner, in order to save material, only lamellar can be installed just in the part near electric heating tube 1 fire end
Negative electrode, terminal portion uses cylindrical positive and negative electrode layer.
Built-in electrode shape in the application is not limited to the above situation, its shape and the shape of electric heating tube
Shape matches, i.e. the contour shape of built-in electrode and the contour shape of electric heating tube is similar, can reach scale inhibition
Effect, can guarantee that again and is smaller in size than inner-tube mouth, install smoothly, it is also possible to save material, reduces cost.
The electric heater of the application uses built-in electrode to remove scale removal, and built-in electrode continuous firing hinders incrustation scale to exist
Add heat pipe deposition, substantially increase the scale removal effect of electric heater, reduce hardness of water, improve bathing
Water quality.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.Those skilled in the art
It will be appreciated that the invention is not restricted to specific embodiment described here, can enter for a person skilled in the art
Row various obvious changes, readjust and substitute without departing from protection scope of the present invention.Therefore, though
So by above example, the present invention is described in further detail, but the present invention be not limited only to
Upper embodiment, without departing from the inventive concept, it is also possible to include other Equivalent embodiments more,
And the scope of the present invention is determined by scope of the appended claims.
Claims (8)
1. an electric heater, including inner bag, electric heating tube (1) be used for installing electric heating tube (1)
Ring flange (2), it is characterised in that also include that built-in electrode (3), described built-in electrode (3) are arranged on
The inside of inner bag, and arrange near electric heating tube (1).
Electric heater the most according to claim 1, it is characterised in that described electric heater also includes
To control each electrode positive and negative electrode polarity mutual for being used for of connecting between anelectrode and the negative electrode of built-in electrode (3)
The positive and negative control circuit changed, described positive and negative control circuit is connected with control panel.
Electric heater the most according to claim 1 and 2, it is characterised in that described built-in electrode (3)
Including being connected with power supply and sheathed cylindrical positive electrode layer (31) and cylindrical positive electrode layer (32), institute
State cylindrical positive electrode layer (31) and cylindrical positive electrode layer (32) all uses active carbon fiber felt or activity
Charcoal cloth and non-woven fabrics alternative stacked winding form.
Electric heater the most according to claim 1, it is characterised in that described built-in electrode (3) is pacified
Being contained on ring flange (2), described built-in electrode (3) is wrapped in the outside of electric heating tube (1) or is positioned at electricity
Add the inner side of heat pipe (1).
Electric heater the most according to claim 1, it is characterised in that described built-in electrode (3) is pacified
Being contained in the bottom of inner bag, described built-in electrode (3) is near the fire end of electric heating tube (1) and is perpendicular to electricity
Add heat pipe (1) to arrange.
Electric heater the most according to claim 1 and 2, it is characterised in that described built-in electrode (3)
Including lamellar anelectrode (33) and with lamellar anelectrode (33) just to arrange sheet-like negative electrode (34),
Described lamellar anelectrode (33) and sheet-like negative electrode (34) are parallel to electric heating tube (1) and arrange.
Electric heater the most according to claim 6, it is characterised in that described built-in electrode (3) is pacified
It is contained on ring flange (2), described lamellar anelectrode (33) and lay respectively at electricity with lamellar anelectrode (33)
Add the upper and lower sides of heat pipe (1) or be positioned at the inner side of electric heating tube (1).
8. want the electric heater described in 6 according to right, it is characterised in that described lamellar anelectrode (33) and
Sheet-like negative electrode (34) all uses the titanium net of surface-coated corrosion-resistant finishes to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378456.6A CN106322749B (en) | 2015-06-30 | 2015-06-30 | Electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510378456.6A CN106322749B (en) | 2015-06-30 | 2015-06-30 | Electric water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106322749A true CN106322749A (en) | 2017-01-11 |
| CN106322749B CN106322749B (en) | 2019-05-14 |
Family
ID=57726470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510378456.6A Active CN106322749B (en) | 2015-06-30 | 2015-06-30 | Electric water heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106322749B (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392336Y (en) * | 1999-07-29 | 2000-08-16 | 青岛市家用电器研究所 | Scale-proof electric water heater |
| JP2008170027A (en) * | 2007-01-09 | 2008-07-24 | Sanyo Electric Co Ltd | Hot water storage tank |
| CN201121972Y (en) * | 2007-10-12 | 2008-09-24 | 海尔集团公司 | Automatically descaling electric water heater |
| CN201218592Y (en) * | 2008-04-11 | 2009-04-08 | 奥特朗电器（广州）有限公司 | Electric water heater with electronic descaling means |
| CN202133113U (en) * | 2011-04-29 | 2012-02-01 | 重庆欧凯电器有限公司 | Adjustable cathode protection type water heater |
| CN203036854U (en) * | 2012-12-10 | 2013-07-03 | 佛山市顺德万和电气配件有限公司 | Automatic descaling electric water heater |
| JP2013208528A (en) * | 2012-03-30 | 2013-10-10 | Daikin Industries Ltd | Electrolytic apparatus and temperature adjusting water supply machine |
| US20140138258A1 (en) * | 2012-11-18 | 2014-05-22 | David Sherzer | Method for Enhancing Minerals Removal |
| CN204141850U (en) * | 2014-09-02 | 2015-02-04 | 青岛经济技术开发区海尔热水器有限公司 | Automatic descaling water heater |
-
2015
- 2015-06-30 CN CN201510378456.6A patent/CN106322749B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2392336Y (en) * | 1999-07-29 | 2000-08-16 | 青岛市家用电器研究所 | Scale-proof electric water heater |
| JP2008170027A (en) * | 2007-01-09 | 2008-07-24 | Sanyo Electric Co Ltd | Hot water storage tank |
| CN201121972Y (en) * | 2007-10-12 | 2008-09-24 | 海尔集团公司 | Automatically descaling electric water heater |
| CN201218592Y (en) * | 2008-04-11 | 2009-04-08 | 奥特朗电器（广州）有限公司 | Electric water heater with electronic descaling means |
| CN202133113U (en) * | 2011-04-29 | 2012-02-01 | 重庆欧凯电器有限公司 | Adjustable cathode protection type water heater |
| JP2013208528A (en) * | 2012-03-30 | 2013-10-10 | Daikin Industries Ltd | Electrolytic apparatus and temperature adjusting water supply machine |
| US20140138258A1 (en) * | 2012-11-18 | 2014-05-22 | David Sherzer | Method for Enhancing Minerals Removal |
| CN203036854U (en) * | 2012-12-10 | 2013-07-03 | 佛山市顺德万和电气配件有限公司 | Automatic descaling electric water heater |
| CN204141850U (en) * | 2014-09-02 | 2015-02-04 | 青岛经济技术开发区海尔热水器有限公司 | Automatic descaling water heater |
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| Publication number | Publication date |
|---|---|
| CN106322749B (en) | 2019-05-14 |
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Effective date of registration: 20200601 Address after: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Co-patentee after: Qingdao Haier Wisdom Electrical Equipment Co.,Ltd. Patentee after: Qingdao Economic And Technology Development District Haier Water Heater Co.,Ltd. Address before: 266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before: Qingdao Economic And Technology Development District Haier Water Heater Co.,Ltd. |