CN103954033A - Water storage-type electric water heater - Google Patents
Water storage-type electric water heater Download PDFInfo
- Publication number
- CN103954033A CN103954033A CN201410128446.2A CN201410128446A CN103954033A CN 103954033 A CN103954033 A CN 103954033A CN 201410128446 A CN201410128446 A CN 201410128446A CN 103954033 A CN103954033 A CN 103954033A
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- water
- water storage
- type electric
- storage liner
- storage
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 198
- 239000010865 sewage Substances 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 3
- 241000894006 Bacteria Species 0.000 abstract description 4
- 238000009395 breeding Methods 0.000 abstract 1
- 230000001488 breeding effect Effects 0.000 abstract 1
- 230000003749 cleanliness Effects 0.000 abstract 1
- 238000009991 scouring Methods 0.000 abstract 1
- 238000004140 cleaning Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000007599 discharging Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009183 running Effects 0.000 description 3
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a water storage-type electric water heater, which comprises an electric control panel, a shell and a water storage liner arranged in the shell, wherein a water inlet pipe, a water outlet pipe and a sewage outlet are arranged on the water storage liner, and the drain outlet is provided with a sewage valve. In addition, the water storage-type electric water heater also comprises a sewage device connected to the sewage valve, wherein the sewage device comprises a pressure balance pipe and a sewage pump electrically connected with an electric control panel, and a first solenoid valve electrically connected with the electric control panel is arranged on the pressure balance pipe and is used for turning on or off the pressure balance pipe; one end of the pressure balance pipe is communicated with the water storage liner, and the other end of the pressure balance pipe is communicated with air outside the water storage liner; the sewage pump is connected with the sewage valve to forcedly discharge water in the water storage liner. Therefore, by utilizing the scouring action generated by fast-flowing water on deposited dirt, the dirt is mixed in water to be discharged. The water storage-type electric water heater has the advantages of fast sewage speed, strong sewage capacity, high emptying rate and the like, so that the cleanliness of the water storage liner is kept, the deposited dirt is prevented from breeding bacteria, and the health and safety of water are ensured.
Description
Technical field
The present invention relates to technical field of water heaters, especially relate to a kind of storage-type electric water heater.
Background technology
Storage-type electric water heater is after long-term use, and the impurity carrying in water can slowly be deposited on the bottom of water storage liner, thereby forms dirt, if cleaned not in time, will grow bacterium so, and then polluted water, and the safety and Health of human body is impacted.
In the prior art, storage-type electric water heater mainly comprises housing, water storage liner, heater and electric-controlled plate, and water storage liner is provided with water inlet pipe, outlet pipe and sewage draining exit.Wherein, sewage outfalls setting is in the bottom of water storage liner, and when cleaning water storage liner, the valve by opening sewage draining exit to be so that the water in water storage liner is drained, and by current, the dirt that is deposited on water storage liner bottom taken away.Yet, only the blowdown current under Action of Gravity Field are less, and the water level of water storage liner declines slowly, are difficult to form the disturbance current of similar whirlpool, therefore the water body in water storage liner is minimum to being deposited on the souring of dirt of water storage liner bottom, and the filth-discharging effect of this blowdown mode is often undesirable.
Foregoing only, for auxiliary understanding technical scheme of the present invention, does not represent and admits that foregoing is prior art.
Summary of the invention
Main purpose of the present invention is to provide a kind of storage-type electric water heater, is intended to improve the filth-discharging effect of storage-type electric water heater, to avoid unclean water to damage human body.
For achieving the above object, the invention provides a kind of storage-type electric water heater, comprise electric-controlled plate, shell and be placed in the water storage liner in described shell, in described water storage liner, be provided with water inlet pipe, outlet pipe and sewage draining exit, described sewage outfalls setting has blowoff valve, in addition, this storage-type electric water heater also comprises the blowdown apparatus that is connected to described blowoff valve, described blowdown apparatus comprises pressure-equalizing pipe and the dredge pump being electrically connected to described electric-controlled plate, on described pressure-equalizing pipe, be provided with the first magnetic valve being electrically connected to described electric-controlled plate, for conducting or turn-off described pressure-equalizing pipe, one end of described pressure-equalizing pipe is communicated with described water storage liner, air communication outside the other end and described water storage liner, described dredge pump is connected with described blowoff valve, so that the water in described water storage liner is forced to discharge.
Preferably, described dredge pump comprises motor, dredge pump cavity and impeller, described motor is electrically connected to described electric-controlled plate, and described dredge pump cavity is provided with water inlet and delivery port, and described impeller is placed in described dredge pump cavity and is connected with the output shaft of described motor.
Preferably, described blowdown apparatus also comprises drainpipe, and described drainpipe is communicated with described delivery port.
Preferably, described blowdown apparatus also comprises the level sensor of the bottom that is arranged on described water storage liner, and described level sensor is electrically connected to described electric-controlled plate.
Preferably, one end that described pressure-equalizing pipe is communicated with described water storage liner extends the tip position near described water storage liner.
Preferably, described blowoff valve is manually-operated gate, or described blowoff valve is the second magnetic valve, and described the second magnetic valve is electrically connected to described electric-controlled plate.
Preferably, this storage-type electric water heater also comprises the filter being arranged between described blowoff valve and described dredge pump.
Preferably, described filter comprises filtering chamber and the screen pack that is placed in described filtering chamber, and described screen pack and described filtering chamber removably connect.
Preferably, this storage-type electric water heater also comprises flusher, described flusher comprises sparge pipe and the 3rd magnetic valve being electrically connected to described electric-controlled plate, one end of described sparge pipe is stretched in described water storage liner, the other end is for being communicated with feed pipe, described the 3rd magnetic valve is arranged on described sparge pipe, with conducting or turn-off described sparge pipe.
Preferably, described sparge pipe stretches into from the top of described water storage liner, and the delivery port of described sparge pipe is over against the bottom of described water storage liner.
A kind of storage-type electric water heater provided by the present invention, by the sewage outfalls setting in water storage liner, there is blowdown apparatus, when water storage liner is carried out to blowdown cleaning operation, utilize the forced drainage function of dredge pump, so that the water in water storage liner is discharged fast, make the water body in water storage liner form whirlpool, the water body that is whirlpool state can produce souring to being deposited on the dirt of water storage liner bottom, dirt is blended in water discharges, there is blowdown speed fast, pollution discharge capability is strong, free rate advantages of higher, thereby the cleannes that keep water storage liner, prevent the dirt breed bacteria of deposition, guaranteed that water is healthy and safe.
Accompanying drawing explanation
Fig. 1 is the structural representation of storage-type electric water heater preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.
The specific embodiment
Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
The invention provides a kind of storage-type electric water heater, referring to Fig. 1, in one embodiment, this storage-type electric water heater comprises electric-controlled plate 3, heater 4, shell 1 and is placed in the water storage liner 2 in shell 1, water storage liner 2 is cylindrical structure extending longitudinally, and be horizontal layout, in other embodiments, water storage liner 2 can also be other any suitable versions.Heater 4 is fixed on the axial end portion of water storage liner 2 by mounting flange, in water storage liner 2, be provided with water inlet pipe 21, outlet pipe 22 and sewage draining exit 23, the upper end of sewage draining exit 23 is provided with magnesium rod 24, the lower end of sewage draining exit 23 is provided with blowoff valve 25, can the water in water storage liner 2 be drained only by sewage draining exit 23, reach the object of cleaning water storage liner 2.It should be noted that, this storage-type electric water heater also comprises that other have been the known associated components of those skilled in the art, thereby forms a storage-type electric water heater complete, that can normally use, and therefore not to repeat here.
When water storage liner 2 is carried out to blowdown cleaning operation, for the water in water storage liner 2 is flowed out fast, this storage-type electric water heater also comprises the blowdown apparatus that is connected to blowoff valve 25, this blowdown apparatus comprises pressure-equalizing pipe (not shown) and the dredge pump 5 being electrically connected to electric-controlled plate 3, on pressure-equalizing pipe, be provided with the first magnetic valve (not shown) being electrically connected to electric-controlled plate 3, for conducting or shutoff pressure-equalizing pipe, one end of pressure-equalizing pipe is communicated with water storage liner 2, air communication outside the other end and water storage liner 2, thereby the internal pressure of water storage liner 2 and atmospheric pressure are balanced each other.Particularly, one end of pressure-equalizing pipe is stretched in water storage liner 2, the other end passes water storage liner 2 and shell 1 and exposes in air, the concrete installation site of pressure-equalizing pipe can be decided according to the actual requirements, for example, pressure-equalizing pipe stretches into from bottom, axial end portion or the top of water storage liner 2, and the first magnetic valve any suitable position between water storage liner 2 and shell 1.Dredge pump 5 is connected with blowoff valve 25, so that the water in water storage liner 2 is forced to discharge.In a better embodiment, one end that pressure-equalizing pipe is communicated with water storage liner 2 extends the tip position near water storage liner 2, thereby guarantees that the process of blowdown apparatus forced drainage is more smooth and easy.When storage-type electric water heater being carried out to blowdown maintenance, first blowoff valve 25 and the first magnetic valve are opened, dredge pump 5 is communicated with water storage liner 2, and water storage liner 2 is communicated with extraneous atmosphere, then under the control of electric-controlled plate 3, start dredge pump 5, by dredge pump 5, the water in water storage liner 2 is discharged fast, because blowdown current are larger, therefore near water body sewage draining exit 23 easily forms whirlpool, the water body that is whirlpool state can produce souring to being deposited on the dirt of water storage liner 2 bottoms, dirt is blended in water to be discharged, finally with current, discharge.As can be seen here, storage-type electric water heater of the present invention has that blowdown speed is fast, pollution discharge capability is strong, free rate advantages of higher, thereby keeps the cleannes of water storage liner 2, prevents the dirt breed bacteria of deposition, has guaranteed that water is healthy and safe.
In the present embodiment, dredge pump 5 comprises motor 51, dredge pump cavity 52 and impeller 53, motor 51 is electrically connected to electric-controlled plate 3, under the control of electric-controlled plate 3, start or stop, dredge pump cavity 52 can be formed by metal material casting, or form by machined, and the inner chamber of dredge pump cavity 52 and impeller 53 adaptations, dredge pump cavity 52 is provided with water inlet 521 and delivery port 522, water inlet 521 and delivery port 522 are communicated with the inner chamber of dredge pump cavity 52 respectively, impeller 53 is placed in dredge pump cavity 52 and is connected with the output shaft of motor 51, when motor 51 drives impeller 53 fast rotational, the side that the inner chamber of dredge pump cavity 52 is positioned at water inlet 521 forms negative pressuren zone, thereby by the water inspiration dredge pump cavity 52 in water storage liner 2, and discharge by delivery port 522, dredge pump 5 simple in structure, with low cost, be suitable for applying on storage-type electric water heater.In addition, the water sputter of discharging for fear of dredge pump 5 on the ground, this blowdown apparatus also comprises drainpipe (not shown), drainpipe is communicated with the delivery port 522 of dredge pump cavity 52 by applicable pipe joint, for example, so that the water in water storage liner 2 (is drained to corresponding sewage discharge place, floor drain or waste water collection box etc.), drainpipe can be plastic hose, also can be plastic conduit, after completing the blowdown maintenance of storage-type electric water heater, drainpipe can be unloaded, to keep the attractive in appearance of storage-type electric water heater.
In the present embodiment, blowdown apparatus also comprises the level sensor (not shown) of the bottom that is arranged on water storage liner 2, and this level sensor is electrically connected to electric-controlled plate 3, for detecting the water level of water storage liner 2.Whether drained in order accurately to detect the water of water storage liner 2, level sensor should be arranged on the lowest part of water storage liner 2 bottom positions, the water storage liner 2 that is as shown in Figure 1 cylindrical structure, level sensor is arranged on any suitable position of water storage liner 2 axial directions.In the process of dredge pump 5 runnings, if detecting the water level of water storage liner 2, level sensor drops to predetermined position (in a better embodiment, this predeterminated position is that the water level in water storage liner 2 is down to zero position), electric-controlled plate 3 is out of service according to the water level information control of sewage disposal pump 5 receiving, and to avoid the long-time idle running of dredge pump 5, breaks down.
In the present embodiment, blowoff valve 25 is manually-operated gate, for example manual ball valve or other any suitable manually-operated gates; Or, this blowoff valve 25 is the second magnetic valve, and the second magnetic valve is electrically connected to electric-controlled plate 3, adopt the turn-on and turn-off of electrically-controlled valve control of sewage disposal mouth 23, can save user's operation, the automaticity that improves storage-type electric water heater blowdown maintenance, makes the blowdown operation of storage-type electric water heater simpler.For example, in the control panel (not shown) of storage-type electric water heater, be provided with corresponding dirt eliminating function button, when user presses this dirt eliminating function button, electric-controlled plate 3 is according to default blowdown programme-control the first magnetic valve, the second magnetic valve and dredge pump 5, after opening the first magnetic valve and the second magnetic valve, restart dredge pump 5, thereby the water in water storage liner 2 is forced to discharge; When the water level that water storage liner 2 detected when level sensor drops to predeterminated position, electric-controlled plate 3 control of sewage disposal pumps 5 are out of service, close the first magnetic valve and the second magnetic valve simultaneously.Hence one can see that, and the whole blowdown process of storage-type electric water heater, does not need user to follow up in real time, has greatly saved user's time and efforts.It is worth mentioning that, in order to save the service life of electric energy and prolongation the first magnetic valve and the second magnetic valve, the first magnetic valve and the second magnetic valve are preferably normally closed solenoid valve.
As everyone knows, storage-type electric water heater is after long-term use, and the impurity carrying in water can slowly be deposited on the bottom of water storage liner 2, thereby forms dirt.In order to prevent that dredge pump 5 from damaging dredge pump cavity 52 and impeller 53 because sucking dirt in the process of draining, in the present embodiment, this storage-type electric water heater also comprises the filter (not shown) being arranged between blowoff valve 25 and dredge pump 5.In a better embodiment, this filter comprises filtering chamber and is placed in the screen pack of filtering chamber, filtering chamber is provided with water inlet and delivery port, and its water inlet be provided with the adaptive syndeton being connected of blowoff valve 25 (for example, Internal Pipe Thread) delivery port be also provided with the adaptive syndeton being connected of dredge pump 5 (for example, Internal Pipe Thread), in addition, screen pack and filtering chamber removably connect, therefore can unload screen pack down cleaning, keep the unimpeded of drainage channel, improve drainage efficiency.
In the present embodiment, this storage-type electric water heater also comprises flusher (not shown), flusher comprises sparge pipe and the 3rd magnetic valve being electrically connected to electric-controlled plate 3, one end of sparge pipe is stretched in water storage liner 2, the other end and feed pipe are (for example, running water pipe) be communicated with, the 3rd magnetic valve is arranged on sparge pipe, with conducting or shutoff sparge pipe.In a better embodiment, the sparge pipe of flusher is embedded in the heat-insulation layer between shell 1 and water storage liner 2, and pass from the water inlet pipe 21 of storage-type electric water heater, for convenience's sake, sparge pipe also can be communicated with water inlet pipe 21, and be hidden in shell 1, the 3rd magnetic valve is preferably normally closed solenoid valve, when the water level that water storage liner 2 detected when level sensor drops to predeterminated position, electric-controlled plate 3 sends OPEN to the 3rd magnetic valve, the 3rd magnetic valve is opened, with conducting sparge pipe, utilize the High-Pressure Water of sparge pipe to wash away water storage liner 2, further that the Fouling Cleaning of inwall that is attached on water storage liner 2 is clean, keep sewage draining exit 23 in conducting state simultaneously, by dredge pump 5, the sewage in water storage liner 2 is drained only.Hence one can see that, and storage-type electric water heater of the present invention not only has automatic blowdown function, also has automatic cleaning function, therefore can keep the cleannes of water storage liner 2, avoided unclean water to damage human body.In addition, in order to improve the cleaning performance of flusher, sparge pipe stretches into from the top of water storage liner 2, and the delivery port of sparge pipe is over against the bottom of water storage liner 2, in other embodiments of the invention, the installation site of sparge pipe and arrangement form have varied, can set according to actual needs, and also be not limited only to arrange a sparge pipe.
Should be understood that; these are only the preferred embodiments of the present invention; can not therefore limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a storage-type electric water heater, comprise electric-controlled plate, shell and be placed in the water storage liner in described shell, in described water storage liner, be provided with water inlet pipe, outlet pipe and sewage draining exit, described sewage outfalls setting has blowoff valve, it is characterized in that, this storage-type electric water heater also comprises the blowdown apparatus that is connected to described blowoff valve, described blowdown apparatus comprises pressure-equalizing pipe and the dredge pump being electrically connected to described electric-controlled plate, on described pressure-equalizing pipe, be provided with the first magnetic valve being electrically connected to described electric-controlled plate, for conducting or turn-off described pressure-equalizing pipe, one end of described pressure-equalizing pipe is communicated with described water storage liner, air communication outside the other end and described water storage liner, described dredge pump is connected with described blowoff valve, so that the water in described water storage liner is forced to discharge.
2. storage-type electric water heater as claimed in claim 1, it is characterized in that, described dredge pump comprises motor, dredge pump cavity and impeller, described motor is electrically connected to described electric-controlled plate, described dredge pump cavity is provided with water inlet and delivery port, and described impeller is placed in described dredge pump cavity and is connected with the output shaft of described motor.
3. storage-type electric water heater as claimed in claim 2, is characterized in that, described blowdown apparatus also comprises drainpipe, and described drainpipe is communicated with described delivery port.
4. storage-type electric water heater as claimed in claim 1, is characterized in that, described blowdown apparatus also comprises the level sensor of the bottom that is arranged on described water storage liner, and described level sensor is electrically connected to described electric-controlled plate.
5. storage-type electric water heater as claimed in claim 1, is characterized in that, one end that described pressure-equalizing pipe is communicated with described water storage liner extends the tip position near described water storage liner.
6. storage-type electric water heater as claimed in claim 1, is characterized in that, described blowoff valve is manually-operated gate, or described blowoff valve is the second magnetic valve, and described the second magnetic valve is electrically connected to described electric-controlled plate.
7. storage-type electric water heater as claimed in claim 1, is characterized in that, this storage-type electric water heater also comprises the filter being arranged between described blowoff valve and described dredge pump.
8. storage-type electric water heater as claimed in claim 7, is characterized in that, described filter comprises filtering chamber and the screen pack that is placed in described filtering chamber, and described screen pack and described filtering chamber removably connect.
9. the storage-type electric water heater as described in any one in claim 1 to 8, it is characterized in that, this storage-type electric water heater also comprises flusher, described flusher comprises sparge pipe and the 3rd magnetic valve being electrically connected to described electric-controlled plate, one end of described sparge pipe is stretched in described water storage liner, the other end is for being communicated with feed pipe, and described the 3rd magnetic valve is arranged on described sparge pipe, with conducting or turn-off described sparge pipe.
10. storage-type electric water heater as claimed in claim 9, is characterized in that, described sparge pipe stretches into from the top of described water storage liner, and the delivery port of described sparge pipe is over against the bottom of described water storage liner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128446.2A CN103954033A (en) | 2014-03-31 | 2014-03-31 | Water storage-type electric water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410128446.2A CN103954033A (en) | 2014-03-31 | 2014-03-31 | Water storage-type electric water heater |
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| Publication Number | Publication Date |
|---|---|
| CN103954033A true CN103954033A (en) | 2014-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410128446.2A Pending CN103954033A (en) | 2014-03-31 | 2014-03-31 | Water storage-type electric water heater |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748362A (en) * | 2015-03-03 | 2015-07-01 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN104896723A (en) * | 2015-05-15 | 2015-09-09 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and drainage detection method thereof |
| CN107883584A (en) * | 2016-09-29 | 2018-04-06 | 青岛经济技术开发区海尔热水器有限公司 | Electric water heater with automatic pollution discharge function and pollution discharge method thereof |
| CN109751763A (en) * | 2019-03-02 | 2019-05-14 | 王佳 | Automatically cleaning heat preserving type boiling water device |
| CN112212509A (en) * | 2020-09-14 | 2021-01-12 | 赖振友 | Anti-scaling water storage type water heater |
| CN113028642A (en) * | 2021-04-23 | 2021-06-25 | 伍柏峰 | Scale-proof energy-saving constant-temperature water heater |
| WO2022094950A1 (en) * | 2020-11-06 | 2022-05-12 | 南京瑞祥信息技术有限公司 | Scale-reducing and self-cleaning electric water heater |
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| JP2003287281A (en) * | 2002-03-27 | 2003-10-10 | Toto Ltd | Electric water heater |
| JP2007101098A (en) * | 2005-10-06 | 2007-04-19 | Matsushita Electric Ind Co Ltd | Water storage device |
| CN202066205U (en) * | 2011-06-01 | 2011-12-07 | 浙江徐氏厨房设备有限公司 | Scale draining device of gas water boiler |
| CN203848490U (en) * | 2014-03-31 | 2014-09-24 | 芜湖美的厨卫电器制造有限公司 | Water storage type electric water heater |
| CN203880919U (en) * | 2014-06-20 | 2014-10-15 | 王锦林 | Energy-saving plastic inner container water heater with safety device |
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2014
- 2014-03-31 CN CN201410128446.2A patent/CN103954033A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2003287281A (en) * | 2002-03-27 | 2003-10-10 | Toto Ltd | Electric water heater |
| JP2007101098A (en) * | 2005-10-06 | 2007-04-19 | Matsushita Electric Ind Co Ltd | Water storage device |
| CN202066205U (en) * | 2011-06-01 | 2011-12-07 | 浙江徐氏厨房设备有限公司 | Scale draining device of gas water boiler |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104748362A (en) * | 2015-03-03 | 2015-07-01 | 芜湖美的厨卫电器制造有限公司 | Electric water heater |
| CN104748362B (en) * | 2015-03-03 | 2018-07-13 | 芜湖美的厨卫电器制造有限公司 | Electric heater |
| CN104896723A (en) * | 2015-05-15 | 2015-09-09 | 芜湖美的厨卫电器制造有限公司 | Electric water heater and drainage detection method thereof |
| CN107883584A (en) * | 2016-09-29 | 2018-04-06 | 青岛经济技术开发区海尔热水器有限公司 | Electric water heater with automatic pollution discharge function and pollution discharge method thereof |
| CN109751763A (en) * | 2019-03-02 | 2019-05-14 | 王佳 | Automatically cleaning heat preserving type boiling water device |
| CN112212509A (en) * | 2020-09-14 | 2021-01-12 | 赖振友 | Anti-scaling water storage type water heater |
| CN112212509B (en) * | 2020-09-14 | 2021-12-07 | 山东华昇隆太阳能科技有限公司 | Anti-scaling water storage type water heater |
| WO2022094950A1 (en) * | 2020-11-06 | 2022-05-12 | 南京瑞祥信息技术有限公司 | Scale-reducing and self-cleaning electric water heater |
| CN113028642A (en) * | 2021-04-23 | 2021-06-25 | 伍柏峰 | Scale-proof energy-saving constant-temperature water heater |
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Application publication date: 20140730 |