CN104501394B - Digital temperature control siphon heating electric water heater - Google Patents
Digital temperature control siphon heating electric water heater Download PDFInfo
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- CN104501394B CN104501394B CN201410804286.9A CN201410804286A CN104501394B CN 104501394 B CN104501394 B CN 104501394B CN 201410804286 A CN201410804286 A CN 201410804286A CN 104501394 B CN104501394 B CN 104501394B
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Abstract
A kind of digital temperature control siphon heating electric water heater, its bypass valve automatic water-mixing constant temperature, avoids hot water from flowing through valve body, greatly improves product reliability, and maximize amount of stored heat；Its single tank dual heating mode, i.e. siphon circulation electrical heating pattern and quick tube type electric-heating pattern, hot water is realized in integration before use, heating upper water by siphon circulation electrical heating pattern turns into high-temperature-hot-water, to complete static preheating, heat-accumulating process；And hot water is in use, then by the quick instant heat hot water of tube type electric-heating pattern, while hot water amount of stored heat is progressively discharged by siphon heat storage tank, and be equipped with bypass valve and realize automatic water-mixing, constant hot water outlet temperature.
Description
(1) technical field
The present invention relates to a kind of digital temperature control siphon heating electric water heater.
(2) background technology
Following deficiency be present in existing product：
1st, existing electric heater product is by electric three passes mixture proportioning regulator, can control heating tank high temperature hot water with
Mixed proportion between upper water, with constant mixed outlet water temperature, yet with high-temperature-hot-water directly through valve body, therefore meeting is very big
Ground deteriorates the heat dissipating state of stepper motor, and accelerates the ager process of rubber seal, so as to cause the 15 of electric heater
In year life cycle, the regulating valve need to be just changed every 1 to 2 years, the reliability of electric heater product is greatly reduced.
2nd, horizontally disposed accumulating type electric water heater heating tank, its efficiency of heating surface is relatively low, on the one hand causes static preheating slow
Slowly, hot water needs to wait as long for, another aspect dynamic heat amount deficiency；And beforehand instant double-mode electric water heater uses double heating tanks,
Static preheating and two kinds of heating modes of dynamic heat are undertaken respectively, so as to not only be multiplied product cost but also not significantly improve electric heating
Hydrophone heat storage efficiency, and power consumption is excessive, is not suitable for the requirement of Chinese family distribution, limits its home penetration rate.
(3) content of the invention
It is an object of the present invention to provide a kind of digital temperature control siphon heating electric water heater：Bypass is set on the mixed water pipe of normal temperature
Regulating valve, and by the temperature sensor of hot water outlet, to automatically adjust the mixing between heating tank high temperature hot water and upper water
Ratio, with hot water temperature after constant mixing, so as to avoid high-temperature-hot-water directly through valve body, therefore step will be significantly improved
Enter the heat dissipating state of formula motor, and delay the ager process of rubber seal so that in 15 years life cycles of electric heater, nothing
The regulating valve need to be changed, greatly improves the reliability of electric heater product.In addition, siphon circulation electrical heating and the double hot-dies of single tank
Formula, high-efficiency heating hot water and accumulation of heat；Action electric water heater is harvested with heating electric heater in one, avoids overlapping investment electric heater and its peace
Full guard measure, so as to realize (43-75 DEG C) hot water function；Advocate " green and healthy " life style.
The technical solution adopted by the present invention, i.e., digital temperature control siphon heating electric water heater as shown in Figure 1, wherein：On 1-
Water inlet；The upper water threeways of 2-；3- safety sluicing check-valves；4- siphon heat storage tanks；4-1- lower inlets；4-2- upper outlets；4-
3- siphons cover bucket；4-4- electric heaters；4-5- heating chambers；4-6- thermals；4-7- heating signal lamps；4-8- dry burning resistance switch；4-
The anti-electric divider walls of 9-；4-10- safety grounds and leakage protection switch；4-11- hot water signal lamps；5- mixes water threeway；5-1- is mixed
Water pipe；5-2- bypass valves；6- hot water outlets；7- insulation materials；8- temperature sensors.
According to the digital temperature control siphon heating electric water heater shown in accompanying drawing 1：It is by upper water inlet 1, upper water threeway 2, safety
Sluicing check-valves 3, siphon heat storage tank 4, mixed water threeway 5, and its connecting line, form heating circuit；
And mixed water pipe 5-1, bypass valve 5-2 are connected between upper water threeway 2 and mixed water threeway 5, then by mixing water threeway 5
Temperature sensor 8, hot water outlet 6 are connected, forms mixed circuit；
The dispaly state for the closed-loop control hot water signal lamp 4-11 of temperature sensor 8 that the top surface of siphon heat storage tank 4 is set,
Bypass valve 5-2 aperture, and static cost control electric heater 4-4 heat storage temperature, and it is synchronous by heating signal lamp 4-7
Display；The on-off and work(for the dynamic control electric heater 4-4 of temperature sensor 8 that the middle part side of siphon heat storage tank 4 is set
Rate is adjusted, and by heating signal lamp 4-7 simultaneous displays；
Siphon heat storage tank 4 and its high temperature conduit and pipe fitting of connection, need thermal insulation material 7；
Wherein siphon heat storage tank 4 is perpendicular elongate cylinder tank body, the flat lower inlet 4-1 of bottom outside face boiling water, top surface
Vertical upper outlet 4-2 is opened in center, and center sets siphon to cover bucket 4-3, and its top reserves siphon circulation and goes out hydrospace, and its underpart is reserved
Siphon circulation enters hydrospace, and siphon set bucket 4-3 lower half center sets electric heater 4-4, and is thus formed in siphon set bucket 4-3
Heating chamber 4-5, and the interlayer in siphon set bucket 4-3 outer walls and the inwall of siphon heat storage tank 4 forms thermal 4-6, electric heater
4-4 is interlocked in control with heating signal lamp 4-7, and top surface inwall sets dry burning resistance switch 4-8, in upper water inlet 1 and mixed water three
Logical 5 exit respectively sets a nonmetallic resistance electric-type pipe fitting as anti-electric divider wall 4-9, in electric heater 4-4 and heating circuit
Middle setting safety ground and leakage protection switch 4-10；
Electric heater 4-4 is the vertically disposed multipair inverted U metal electric heating pipe of the bottom surface inwall of siphon heat storage tank 4；Or
The vertically disposed high intensity of the bottom surface inwall of siphon heat storage tank 4, water power shielding, seamless automatic silver brazing, pressure-resistant 12bar English
The stainless steel electrothermal tube of lattice Lay 840；Or the vertically disposed major diameter combination nickel filament heating of the bottom surface inwall of siphon heat storage tank 4
Pipe；Or the vertically disposed more high insulation of the bottom surface inwall of siphon heat storage tank 4, high heat conduction, high stability non-metal electric heating
Pipe；Or the electric heat-generating disc that the bottom surface outer wall center of siphon heat storage tank 4 is set；Or the bottom surface outer wall of siphon heat storage tank 4
The electromagnetic type heat-generating disc that center is set；Safety ground and leakage protection switch 4-10 and electric heater 4-4, heating signal lamp 4-7
Connection, composition proof and electric leakage-proof safety loop.
The course of work combination accompanying drawing 1 of the digital temperature control siphon heating electric water heater of the present invention is described as follows：
1st, it is vented：Water is set to drain the air in heating circuit, mixed circuit respectively with 0.5~6bar gauge pressures, it is straight per road
Respective valves are turned off after to complete water outlet.
2nd, static preheating, heat-accumulating process：Switch on power and start the present invention, the top surface upper outlet 4-2 of siphon heat storage tank 4
Locate the temperature sensor 8 set, when perceiving water temperature and being less than 92 DEG C, continuous heating after electric heater 4-4 connected by closed-loop control,
Electric heater 4-4 is then disconnected until upper water is heated to 97 DEG C, wherein when temperature sensor 8 perceives water temperature more than 92 DEG C, control
Hot water signal lamp 4-11 shows hot water conditions, and hot water supply function.Continuous heating is waited to hot water signal lamp 4-11 recovery high temperature
Hot water heat storage state.
3rd, the instant heating process of dynamic：During using hot water, upper water conservancy flows through safe sluicing non-return with its 0.5~6bar gauge pressure
Valve 3, and in 92 DEG C of mixed water threeways 5 of high-temperature-hot-water press-in in siphon heat storage tank 4, mix what is set on water pipe 5-1 by normal temperature
Bypass valve 5-2, by mix water threeway 5 outlet set temperature sensor 8, come automatically adjust heating tank high temperature hot water with
Mixed proportion between 20 DEG C of upper water, with hot water outlet temperature after constant mixing at 45 DEG C or so, and by mixing going out for water threeway 5
Mouth discharge, and continue to be mixed into 34-42 DEG C of bath hot water with water on 20 DEG C for using in user terminal.
Due to avoiding hot water from flowing through valve body, improve the heat dissipating state of stepper motor, and delay the aging of rubber seal
Process so that in 15 years life cycles of electric heater, without changing regulating valve, greatly improve the reliable of electric heater product
Property.
The temperature value of the mixed hot water outlet sensor 8 of water threeway 5 is set as relatively low 45 DEG C, then when siphon heat storage tank 4
Middle hot water temperature constantly reduces, so that it may progressively turns down bypass valve 5-2, automatically adjusts between cooling hot water and 20 DEG C of upper water
Mixed proportion, continue hot water outlet temperature after constant mixing；Until hot water temperature is down to 45 DEG C and closes bypass valve 5-
2, the heat of hot water is individually only discharged by siphon heat storage tank 4, until hot water use finishes；So as to thoroughly discharge its amount of stored heat,
With minimum water tank volume, realize that amount of stored heat maximizes.
And the temperature sensor 8 set at the top surface upper outlet 4-2 of siphon heat storage tank 4 perceives water temperature and is less than 92 DEG C
When, connect electric heater 4-4 and adjust heating power to maximum, then by static state preheating, heat-accumulating process, switch to dynamic heating immediately
Process, progressively discharge hot water accumulation of heat by the quick instant heat hot water of tube type electric-heating pattern, while by siphon heat storage tank 4
Amount, and be equipped with bypass valve and realize automatic water-mixing, constant hot water outlet temperature；Heating process is persistently carried out, until closing heat
Water function, it is transferred to static preheating, heat-accumulating process.
4th, defencive function：
(1) anti-dry：When the water level that dry burning resistance switch 4-8 is perceived in siphon heat storage tank 4 is not yet full of, to prevent
Electric heater 4-4 damages because of dry combustion method, will automatically cut off complete machine power supply, into guard mode, until water level heats full of siphon
Heat-accumulator tank 4, it can automatically reset；(2) superpressure preventing：When upper water meter is pressed more than 6bar, safe sluicing check-valves 3 can pass through water conservancy diversion
Pipe releasing pressure automatically, protect the safe to use of siphon heat storage tank 4；
(3) anti-electricity wall：A nonmetallic resistance electric-type pipe fitting is respectively set to make in the exit of upper water inlet 1 and mixed water threeway 5
It is safe to use to ensure for anti-electric divider wall 4-9；
(4) it is anticreep：On the basis of safety ground of the present invention, when leakage protection switch 4-10 built in undesirable mutual electromagnetic inductance formula is examined
Measure leakage current and exceed human body sensing scope, power supply will be automatically cut off in 0.01~0.1 second, while by heating signal lamp
4-7 flashes, and to show failure, ensures human-body safety.
Compared with existing product, integrated innovation advantage of the invention is listed below：
1st, bypass valve automatic water-mixing constant temperature：Bypass valve is set on water pipe due to being mixed in normal temperature, and passes through hot water
The temperature sensor of outlet, to automatically adjust the mixed proportion between heating tank high temperature hot water and upper water, with constant mixing
Hot water outlet temperature afterwards.
2nd, hot water is avoided to flow through valve body：Improve the heat dissipating state of stepper motor, and delay the aging of rubber seal to enter
Journey so that in 15 years life cycles of electric heater, without changing regulating valve, greatly improve the reliability of electric heater product.
3rd, amount of stored heat maximizes：Hot water outlet temperature is set as relatively low 45 DEG C, then when hot water in siphon heat storage tank 4
Temperature constantly reduces, so that it may progressively turns down bypass valve 5-2, automatically adjusts the mixing ratio between cooling hot water and 20 DEG C of upper water
Example, continues hot water outlet temperature after constant mixing；So as to thoroughly discharge its amount of stored heat, with minimum water tank volume, accumulation of heat is realized
Amount maximizes.
4th, siphon circulation electrical heating pattern：The siphon set bucket set in vertical heating tank, in static state preheating, heat-accumulating process
Siphon circulation electrical heating pattern is formed, intermediate temperature regenerator is held outside high-efficiency heating, bucket wherein in bucket.
5th, quick tube type electric-heating pattern：The quick tube type electric-heating pattern formed in dynamic heating immediately in set bucket.
6th, single tank dual heating mode：The siphon circulation electrical heating pattern of single tank and quick tubular type electricity are realized with valve transfer
Heating mode, both electrical heating patterns, integrate preheating accumulation of heat electric heater and the instant electric heater of dynamic, avoid repeating
Electric heater and its safety precautions are invested, product cost had not only been saved but also had improved heating, heat storage efficiency, and is adapted to Chinese family
Distribution requirement.
In summary, bypass valve automatic water-mixing constant temperature of the invention, avoids hot water from flowing through valve body, greatly improves product
Reliability, and maximize amount of stored heat；Its single tank dual heating mode, i.e. siphon circulation electrical heating pattern and quick tube type electric-heating
Pattern, hot water is realized in integration before use, heating upper water by siphon circulation electrical heating pattern turns into high-temperature-hot-water, to complete static state
Preheating, heat-accumulating process；And hot water is in use, then by the quick instant heat hot water of tube type electric-heating pattern, while heated by siphon
Heat-accumulator tank progressively discharges hot water amount of stored heat, and is equipped with bypass valve and realizes automatic water-mixing, constant hot water outlet temperature.
(4) illustrate
Accompanying drawing 1 is system flow chart of the invention.
(5) embodiment
The embodiment of digital temperature control siphon heating electric water heater proposed by the present invention as shown in Figure 1, is described below：Its
By upper water inlet 1, nonmetallic anti-electric divider wall 4-9, upper water threeway 2, safe sluicing check-valves 3, siphon heat storage tank 4,
The stainless steel reinforced concrete water threeway 5 of DN15 internal threads interface 304, and its DN15 304 stainless steel connecting lines, form heating circuit；And
DN15 304 stainless steel reinforced concrete water pipe 5-1, bypass valve 5-2 is connected between upper water threeway 2 and mixed water threeway 5, then by mixing water three
Logical 5 connection temperature sensor 8, the stainless steel hot water out 6 of DN15 internal threads interface 304, form mixed circuit；Siphon heat storage tank
Dispaly state, the bypass valve 5-2 aperture for the closed-loop control hot water signal lamp 4-11 of temperature sensor 8 that 4 top surfaces are set, with
And static cost control electric heater 4-4 heat storage temperature, and by heating signal lamp 4-7 simultaneous displays；In siphon heat storage tank 4
The on-off and power adjusting for the dynamic control electric heater 4-4 of temperature sensor 8 that portion side is set, and by heating signal lamp
4-7 simultaneous displays；Siphon heat storage tank 4 and its high temperature conduit and pipe fitting of connection, need to add the thick polyurethane foams of 50mm
Insulation material 7；Wherein siphon heat storage tank 4 is diameter 150mm, height 800mm, wall thickness 1mm 304 stainless steel perpendicular elongates
Cylinder tank body, the flat stainless steel lower inlet 4-1 of DN15 internal threads interface 304 of bottom outside face boiling water, top surface center is opened in vertical DN15
The silk stainless steel upper outlet 4-2 of interface 304, center set diameter 80mm, height 700mm, wall thickness 0.8mm 304 stainless steel siphons
Bucket 4-3 is covered, its top reserves 40mm siphon circulations and goes out hydrospace, and its underpart reserves 60mm siphon circulations and enters hydrospace, siphon set
Bucket 4-3 lower half center sets 4kW electric heater 4-4, and thus forms heating chamber 4-5 in siphon set bucket 4-3, and in siphon set
The interlayer of bucket 4-3 outer walls and the inwall of siphon heat storage tank 4 forms thermal 4-6, electric heater 4-4 in control with heating signal
Lamp 4-7 is interlocked, and top surface inwall sets dry burning resistance switch 4-8, and one is respectively set in the exit of upper water inlet 1 and mixed water threeway 5
The nonmetallic resistance electric-type pipe fitting of DN15 internal thread interfaces sets safety as anti-electric divider wall 4-9 in electric heater 4-4 and heating circuit
Ground connection and leakage protection switch 4-10.Electric heater 4-4 is vertically disposed 4 pairs of the bottom surface inwall of siphon heat storage tank 4 U
Type, high intensity, water power shielding, seamless automatic silver brazing, the stainless steel electrothermal tubes of Ying Gelai 840 of pressure-resistant 12bar, 4.6kW power
4-4。
In the embodiment of the present invention：It is upper 20 DEG C of coolant-temperature gage, upper water meter pressure 2.5bar, single phase poaer supply rated voltage 220V, specified
Frequency 50Hz, rated power 5.5kW；Hot water by siphon circulation electrical heating pattern so that input power 5.5kW is static before use, preheated
To 90 DEG C of high-temperature-hot-waters and accumulation of heat；Hot water in use, heat heat immediately by quick tube type electric-heating pattern with input power 5.5kW
Water, while hot water amount of stored heat is progressively discharged by siphon heat storage tank, and be equipped with bypass valve and realize automatic water-mixing, constant heat
Water outlet temperature, dynamically produce 45 DEG C of hot water 8L/min；Every unit weight 10.5kg, operating weight 24.5kg, during operation without
Noise.
Claims (1)
1. a kind of digital temperature control siphon heating electric water heater, it is by upper water inlet (1)；Upper water threeway (2)；Safe sluicing check-valves
(3)；Siphon heat storage tank (4)；Lower inlet (4-1)；Upper outlet (4-2)；Siphon set bucket (4-3)；Electric heater (4-4)；Heating
Chamber (4-5)；Thermal (4-6)；Heating signal lamp (4-7)；Dry burning resistance switch (4-8)；Anti-electric divider wall (4-9)；Safety ground
With leakage protection switch (4-10)；Hot water signal lamp (4-11)；Mixed water threeway (5)；Mixed water pipe (5-1)；Bypass valve (5-
2)；Hot water outlet (6)；Insulation material (7)；Temperature sensor (8) forms；It is characterized in that：Upper water inlet (1), upper water threeway
(2), safe sluicing check-valves (3), siphon heat storage tank (4), mixed water threeway (5), and its connecting line, composition heat back
Road；And mixed water pipe (5-1), bypass valve (5-2) are connected between upper water threeway (2) and mixed water threeway (5), then by mixing water three
Logical (5) connection temperature sensor (8), hot water outlet (6), form mixed circuit；The temperature that siphon heat storage tank (4) top surface is set
Dispaly state, the aperture of bypass valve (5-2) of sensor (8) closed-loop control hot water signal lamp (4-11) are spent, and it is static
The heat storage temperature of electric heater (4-4) is controlled, and by heating signal lamp (4-7) simultaneous display；In siphon heat storage tank (4)
The on-off and power adjusting for temperature sensor (8) the dynamic control electric heater (4-4) that portion side is set, and believed by heating
Signal lamp (4-7) simultaneous display；Siphon heat storage tank (4) and its high temperature conduit and pipe fitting of connection, need thermal insulation material
(7)；Wherein siphon heat storage tank (4) is perpendicular elongate cylinder tank body, the flat lower inlet of bottom outside face boiling water (4-1), top surface
Vertical upper outlet (4-2) is opened in center, and center sets siphon to cover bucket (4-3), and its top reserves siphon circulation and goes out hydrospace, its underpart
Reserved siphon circulation enters hydrospace, and siphon set bucket (4-3) lower half center sets electric heater (4-4), and thus covers bucket in siphon
Heating chamber (4-5) is formed in (4-3), and the interlayer in siphon set bucket (4-3) outer wall and siphon heat storage tank (4) inwall is formed
Thermal (4-6), electric heater (4-4) interlock in control with heating signal lamp (4-7), and top surface inwall sets dry burning resistance switch
(4-8), the exit of upper water inlet (1) and mixed water threeway (5) respectively set a nonmetallic resistance electric-type pipe fitting as it is anti-electric every
From wall (4-9), safety ground and leakage protection switch (4-10) are set in electric heater (4-4) and heating circuit；Electric heater
(4-4) is the vertically disposed multipair inverted U metal electric heating pipe of siphon heat storage tank (4) bottom surface inwall；Or siphon heating stores
The vertically disposed high intensity of hot tank (4) bottom surface inwall, water power shielding, seamless automatic silver brazing, pressure-resistant 12bar Ying Gelai 840
Stainless steel electrothermal tube；Or the vertically disposed major diameter combination nickel filament heat-generating pipe of siphon heat storage tank (4) bottom surface inwall；Or
It is the vertically disposed more high insulation of siphon heat storage tank (4) bottom surface inwall, high heat conduction, high stability non-metal electric heating pipe；
Or the electric heat-generating disc that outer wall center in siphon heat storage tank (4) bottom surface is set；Or siphon heat storage tank (4) bottom surface outer wall
The electromagnetic type heat-generating disc that center is set；Safety ground and leakage protection switch (4-10) and electric heater (4-4), heating signal lamp
(4-7) is connected, composition proof and electric leakage-proof safety loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804286.9A CN104501394B (en) | 2014-12-10 | 2014-12-10 | Digital temperature control siphon heating electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410804286.9A CN104501394B (en) | 2014-12-10 | 2014-12-10 | Digital temperature control siphon heating electric water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104501394A CN104501394A (en) | 2015-04-08 |
| CN104501394B true CN104501394B (en) | 2018-04-06 |
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ID=52942821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410804286.9A Expired - Fee Related CN104501394B (en) | 2014-12-10 | 2014-12-10 | Digital temperature control siphon heating electric water heater |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440338A (en) * | 2016-10-30 | 2017-02-22 | 侴乔力 | Heat storing type electric water heater with backheating and preheating functions |
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| CN2179554Y (en) * | 1993-09-30 | 1994-10-12 | 葛长娟 | Heating water heater |
| CN2337460Y (en) * | 1998-02-20 | 1999-09-08 | 海尔集团公司 | Water-temperature display electric water heater |
| CN2602306Y (en) * | 2003-02-17 | 2004-02-04 | 李鹏 | Hot-water temperature regulating device with a high temperature water tank |
| CN101392949A (en) * | 2008-10-18 | 2009-03-25 | 侴乔力 | Boiling water machine/water heater |
| CN101392950A (en) * | 2008-10-27 | 2009-03-25 | 王焱 | Open type electric water heater |
| CN202709424U (en) * | 2012-07-10 | 2013-01-30 | 东莞市迈巴赫电器有限公司 | High-efficient energy-saving water storage rapid heating type electric water heater |
| CN204329307U (en) * | 2014-12-10 | 2015-05-13 | 侴乔力 | Digital temperature control siphon heating electric water heater |
-
2014
- 2014-12-10 CN CN201410804286.9A patent/CN104501394B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2179554Y (en) * | 1993-09-30 | 1994-10-12 | 葛长娟 | Heating water heater |
| CN2337460Y (en) * | 1998-02-20 | 1999-09-08 | 海尔集团公司 | Water-temperature display electric water heater |
| CN2602306Y (en) * | 2003-02-17 | 2004-02-04 | 李鹏 | Hot-water temperature regulating device with a high temperature water tank |
| CN101392949A (en) * | 2008-10-18 | 2009-03-25 | 侴乔力 | Boiling water machine/water heater |
| CN101392950A (en) * | 2008-10-27 | 2009-03-25 | 王焱 | Open type electric water heater |
| CN202709424U (en) * | 2012-07-10 | 2013-01-30 | 东莞市迈巴赫电器有限公司 | High-efficient energy-saving water storage rapid heating type electric water heater |
| CN204329307U (en) * | 2014-12-10 | 2015-05-13 | 侴乔力 | Digital temperature control siphon heating electric water heater |
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| CN104501394A (en) | 2015-04-08 |
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Effective date of registration: 20160302 Address after: 230051, room 9, building 123, Greentown Yulan apartment, No. 201 Tongcheng South Road, Hefei, Anhui Applicant after: Chou Qiaoli Applicant after: GUANGDONG SHUNDE WATER AND ELECTRIC CO., LTD. Address before: 230051 Anhui, Hefei, water, Yangjiang Road, Ling Yuan, building No. 7, room No. 301 Applicant before: Chou Qiaoli |
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Granted publication date: 20180406 Termination date: 20191210 |