CN107091525A - The convenient Instant heating type water heater for removing incrustation scale - Google Patents
The convenient Instant heating type water heater for removing incrustation scale Download PDFInfo
- Publication number
- CN107091525A CN107091525A CN201710305866.7A CN201710305866A CN107091525A CN 107091525 A CN107091525 A CN 107091525A CN 201710305866 A CN201710305866 A CN 201710305866A CN 107091525 A CN107091525 A CN 107091525A
- Authority
- CN
- China
- Prior art keywords
- incrustation scale
- heating type
- instant heating
- tube chamber
- cage
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000010438 heat treatment Methods 0.000 title claims abstract description 76
- 239000002184 metal Substances 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims 1
- 239000003651 drinking water Substances 0.000 abstract description 9
- 235000020188 drinking water Nutrition 0.000 abstract description 9
- 238000005485 electric heating Methods 0.000 abstract description 9
- 238000009825 accumulation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000035622 drinking Effects 0.000 description 7
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000013589 supplement Substances 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
- F24H1/10—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
- F24H1/101—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply
- F24H1/102—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance
- F24H1/103—Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using electric energy supply with resistance with bare resistances in direct contact with the fluid
-
- 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
- F24H9/0042—Cleaning arrangements
-
- 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
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1818—Arrangement or mounting of electric heating means
-
- 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
- F24H2250/00—Electrical heat generating means
- F24H2250/02—Resistances
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)
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
Abstract
The present invention relates to a kind of convenient Instant heating type water heater for removing incrustation scale, including Instant heating type pipeline heater, the Instant heating type pipeline heater includes tube chamber and electrothermal tube, electrothermal tube is arranged in tube chamber, intraluminal electric heating pipe outer wall also has additional incrustation scale cage, extension stem is provided with incrustation scale cage, extension stem passes through tube chamber wall portion, so that incrustation scale cage is hung or is supported in tube chamber.After instantaneously heated type heater use time is long, the substantial amounts of incrustation scale of accumulation in the tube chamber of Instant heating type pipeline heater, influence the water quality of drinking water, when reducing the heat exchange efficiency of electrothermal tube, user is by pulling extension stem, take out the incrustation scale that incrustation scale cage clears up its surface, in the tube chamber for putting back to Instant heating type pipeline heater again, the intraluminal incrustation scale of pipeline heater can be eliminated, improve drinking water quality, adjust the electrothermal tube heat exchange efficiency of Instant heating type pipeline heater, and whole operation process, very simple, fast.
Description
Technical field
The present invention relates to a kind of drinking water heating device, more particularly to a kind of convenient Instant heating type water heating for removing incrustation scale
Device.
Background technology
Electric water boiler, is a kind of using electricity as the energy, the energy saving product of boiling water without interruption.Traditional electric kettle
Including kettle body and base, kettle body bottom is provided with heating circle, and kettle body seat is located on base, and electric current is transferred to heating by base
Circle, so that the water in heating kettle body, realizes electrical heating process, this electric kettle can once heat more water, be easy to house
Front yard is used.
At present, also occurs a kind of instant heating type drinking machine on the market, the instant heating type drinking machine is built-in with Instant heating type pipeline and added
Hot device, balanced reservoir and water storage box, when user's drinking hot water, the water in balanced reservoir flows into the Instant heating type pipeline heating of high temperature
Device produces hot water after heating rapidly, is drunk for user, and water storage box supplements the water of balanced reservoir, is maintaining instant heating type drinking machine just
Often operation.
But, the Instant heating type pipeline heater of current instant heating type drinking machine includes tube chamber and electrothermal tube, balanced reservoir
Water is flowed into be contacted in the tube chamber of Instant heating type pipeline heater with electrothermal tube, and the heat transfer that electrothermal tube is produced is into water, so as to produce
Heat water, very simple, but when instant heating type drinking captain uses the phase, water constantly flows in the tube chamber of Instant heating type pipeline heater
During heating, incrustation scale is easily produced after long-term use, incrustation scale sticks in lumen wall and electric heating pipe outer wall, the heat friendship of reduction electrothermal tube
Efficiency is changed, causes the power consumption of Instant heating type water heater bigger.
The content of the invention
It is an object of the invention to overcome the deficiency that above-mentioned prior art is present, and a kind of reduction incrustation scale accumulation is provided, and
The convenient Instant heating type water heater for removing incrustation scale.
The object of the present invention is achieved like this.
A kind of convenient Instant heating type water heater for removing incrustation scale, including Instant heating type pipeline heater, the Instant heating type pipeline
Heater includes tube chamber and electrothermal tube, and electrothermal tube is arranged in tube chamber, and intraluminal electric heating pipe outer wall also has additional incrustation scale isolation
Extension stem is provided with cover, incrustation scale cage, extension stem passes through tube chamber wall portion, so that tube chamber is hung or be supported on to incrustation scale cage
It is interior.The electric heating pipe outer wall has additional and the extension stem conveniently picked and placeed is provided with incrustation scale cage, incrustation scale cage, and water, which is flowed into, is
Electric shock heat pipe is inscribed in the tube chamber of hot type pipeline heater, and electrothermal tube transfers heat to water, while water is produced in heating process
Incrustation scale, most of incrustation scale will be sticked on incrustation scale cage, after instantaneously heated type heater use time is long, Instant heating type pipe
The substantial amounts of incrustation scale of accumulation in the tube chamber of channel heater, influences the water quality of drinking water, when reducing the heat exchange efficiency of electrothermal tube, Yong Hutong
Pulling extension stem is crossed, incrustation scale cage is taken out and clears up the incrustation scale on its surface, then is put back in the tube chamber of Instant heating type pipeline heater,
The intraluminal incrustation scale of pipeline heater can be eliminated, improves drinking water quality, the electrothermal tube of Instant heating type pipeline heater is adjusted
Heat exchange efficiency, and whole operation process, very simple, fast.
Above-mentioned technical proposal can be also made to the following further improve.
As more specifically scheme, the metal cover body that the extension stem is formed in one with incrustation scale cage.By setting
Metal cover body, metal cover body is easier to attract incrustation scale absorption, so that incrustation scale cage can more adsorb incrustation scale, reduces incrustation scale
Absorption improves the heat exchange efficiency of electrothermal tube in lumen wall or the quantity of electric heating pipe outer wall.
As more specifically scheme, the incrustation scale cage has cover chamber, and cover chamber one end is open ports, other end connection
Extension stem, incrustation scale cage is nested with all or part of height and position in electric heating pipe outer wall by open ports one end.The cover chamber
One end is open ports, facilitates electrothermal tube to stretch into or depart from cover chamber.
As more specifically scheme, the electrothermal tube is U-shaped electrothermal tube or vertical bar type electrothermal tube or spiral shape electrothermal tube.
As more specifically scheme, heat emission hole is provided with the surface of the incrustation scale cage.By being provided with heat emission hole, electricity
The heat that heat pipe is produced can heat radiating via hole be transferred in the tube chamber of Instant heating type pipeline heater and contacted with water, raising is Instant heating type
The heat exchange efficiency of pipeline heater.
As more specifically scheme, handle mouthful is provided with the tube chamber, the extension stem of incrustation scale cage passes through the handle mouthful
And it is provided with seal at handle mouthful.By being provided with seal, it is to avoid intraluminal water oozes out through handle mouthful, Instant heating type water is improved
The security of heater.
As more specifically scheme, the handle mouthful is arranged on the bottom wall of tube chamber or roof.
As more specifically scheme, there is gap between the incrustation scale cage inwall and electric heating pipe outer wall.By setting
There is gap, water flows along in gap, and water can fully contact electrothermal tube, realize that water is quickly heated in tube chamber, improves Instant heating type
The practicality of water heater.
As more specifically scheme, also include housing, extend the extension stem and the shell of the incrustation scale cage of tube chamber
Body is connected.
Beneficial effects of the present invention are as follows：
（1）The Instant heating type water heater of the present invention, sets due to being had additional in electric heating pipe outer wall on incrustation scale cage, incrustation scale cage
The extension stem conveniently picked and placeed is equipped with, electric shock heat pipe is inscribed in the tube chamber that water flows into Instant heating type pipeline heater, and electrothermal tube passes heat
Water is passed, while the incrustation scale that water is produced in heating process, most of incrustation scale will be bonded on incrustation scale cage, is added when Instant heating type
After hot device use time is long, the substantial amounts of incrustation scale of accumulation in the tube chamber of Instant heating type pipeline heater influences the water quality of drinking water, drop
The heat exchange efficiency of low electrothermal tube, user takes out incrustation scale cage and clears up the incrustation scale on its surface by pulling extension stem, then put back into
In the tube chamber of Instant heating type pipeline heater, you can eliminate the intraluminal incrustation scale of pipeline heater, improve drinking water quality, adjustment
The electrothermal tube heat exchange efficiency of Instant heating type pipeline heater, and whole operation process, very simple, fast.
（2）Further, electric heating pipe outer wall is provided with heat emission hole, the heat that electrothermal tube is produced can heat radiating via hole be transferred to i.e.
Contacted in the tube chamber of hot type pipeline heater with water, improve the heat exchange efficiency of Instant heating type pipeline heater.
Brief description of the drawings
Fig. 1 is the convenient Instant heating type water heater schematic diagram for removing incrustation scale of the present invention.
Fig. 2 is the incrustation scale cage scheme of installation of Instant heating type water heater of the invention.
Fig. 3 is the incrustation scale cage schematic diagram of Instant heating type water heater of the invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Embodiment, with reference to shown in Fig. 1 to Fig. 3, a kind of convenient Instant heating type water heater for removing incrustation scale, including comprehensive water tank
8th, water pump 9, water storage box 10, incrustation scale cage 4 and Instant heating type pipeline heater 1.
The comprehensive water tank 8 includes housing 7, balanced reservoir 81 and hot water supply chamber 82, and the balanced reservoir 81 is provided with
Water-level control apparatus 811, water inlet 812 and delivery port 813.
The water-level control apparatus 811 is arranged in balanced reservoir 81, the connection water storage box of water inlet 812 of balanced reservoir 81
10, water pump 9 is arranged in water storage box 10, and water-level control apparatus 811 and water pump 9 are electrically connected, the monitoring balance of Level monitor 811
Height of water level control water pump 9 in water tank 81 is opened and closed, when height of water level is not enough in balanced reservoir 81, water-level control apparatus 811
Control water pump 9 starts, and water pump 9 extracts the water in water storage box 10, and water is flowed into balanced reservoir 81 along water inlet 812, maintains balance
The water level balance of water tank 81.
The delivery port 813 of the balanced reservoir 81 connects the end of tube chamber 2 of Instant heating type pipeline heater 1, when user needs
During drinking hot water, the pipe that the water in Water supply switch valve, balanced reservoir 81 flows into Instant heating type pipeline heater 1 along delivery port 813 is pressed
In chamber 2, the electrothermal tube 3 of water flowing contact high temperature in tube chamber 2, electrothermal tube 3 transfers heat to water, and water is heated into hot water, heat
The faucet 821 that water supplies chamber 82 along hot water flows out, and is drunk for user.
The incrustation scale cage 4 includes cover chamber 42 and extension stem 41, and cover chamber 42 and extension stem 41 are metalwork, cover chamber 42
It is integrally formed with extension stem 41, the outer wall of cover chamber 42 is provided with several heat emission holes 43, the one end of cover chamber 42 is open ports, and cover chamber 42 is another
One end connects extension stem 41.
The Instant heating type pipeline heater 1 includes tube chamber 2 and electrothermal tube 3, the comprehensive water tank 8 of the top of tube chamber 2 connection
Hot water supplies chamber 82, and the end of tube chamber 2 connects balanced reservoir 81, and the top of tube chamber 2, which is additionally provided with, is easy to incrustation scale cage 4 to stretch into tube chamber
Handle mouthful 21 in 2.The electrothermal tube 3 is U-shaped electrothermal tube, and electrothermal tube 3 is arranged on the center of tube chamber 2, the incrustation scale cage 4
Stretched into along handle mouthful 21 in tube chamber 2, cover chamber 42 open ports of the electrothermal tube 3 in tube chamber 2 along incrustation scale cage 4 stretch into screening in cover chamber 42
There is the gap 6 for being easy to water to flow between gear electrothermal tube 3, and the outer wall of cover chamber 42 and the outer wall of electrothermal tube 3.
Seal 5, spiral shell between extension stem 41 and seal 5 are additionally provided with the extension stem 41 of the scale-deposit-preventing cage 4
Line is connected, and scale-deposit-preventing cage 4 stretches into along handle mouthful 21 and electrothermal tube 3 is blocked in tube chamber 2, while seal 5 is resisted against the handle of tube chamber 2
Scale-deposit-preventing cage 4 is hung in tube chamber 2 and seals handle mouthful 21 by 21 positions of mouth, prevents the water in tube chamber 2 from being oozed out along handle mouthful 21.
Operation principle：
After Instant heating type water heater use time is long, a large amount of incrustation scales of accumulation in its Instant heating type pipeline heater 1 influence Instant heating type
The heat exchange efficiency of electrothermal tube 3 and the water quality of drinking water of pipeline heater 1, now user need to clear up Instant heating type pipeline heater
1 incrustation scale, first user can be screwed out using extension stem 41 of the pliers by seal 5 along incrustation scale cage 4, then lift extension stem
41 pull outward out incrustation scale cage 4 tube chamber 2, and then the incrustation scale for being attached to incrustation scale cage 4 is cleared up, finally will cleaning
The incrustation scale cage 4 finished the handle along tube chamber 2 mouthful 21, which stretches into block electrothermal tube 4 in tube chamber 2 and screw on seal 5, seals handle mouthful
21, it is to avoid water handle along tube chamber 2 mouthful 21 oozes out, it is whole operation very simple, quick.
User of the present invention takes out incrustation scale cage 4 and clears up the incrustation scale on its surface, then put back into i.e. by pulling extension stem 41
In the tube chamber 2 of hot type pipeline heater 1, you can eliminate the incrustation scale in the tube chamber 2 of pipeline heater 1, improve drinking water quality, adjust
The heat exchange efficiency of electrothermal tube 4 of whole Instant heating type pipeline heater 1, and whole operation process, very simple, fast.
Further, the outer wall of electrothermal tube 4 is provided with heat emission hole 43, the heat that electrothermal tube 4 is produced can heat radiating via hole 43 transmit
Contacted in the tube chamber 2 of Instant heating type pipeline heater 1 with water, improve the heat exchange efficiency of Instant heating type pipeline heater 1.
Claims (9)
1. the convenient Instant heating type water heater for removing incrustation scale, including Instant heating type pipeline heater（1）, the Instant heating type pipeline heating
Device（1）Including tube chamber（2）And electrothermal tube（3）, electrothermal tube（3）It is arranged on tube chamber（2）It is interior, tube chamber（2）Interior electrothermal tube（3）Outer wall
Also have additional incrustation scale cage（4）, incrustation scale cage（4）On be provided with extension stem（41）, extension stem（41）Through tube chamber（2）Wall
Portion, so that incrustation scale cage（4）Hang or be supported on tube chamber（2）It is interior.
2. facilitate the Instant heating type water heater for removing incrustation scale according to claim 1, it is characterized in that, the extension stem（41）With
Incrustation scale cage（4）The metal cover body being formed in one.
3. facilitate the Instant heating type water heater for removing incrustation scale according to claim 1, it is characterized in that, the incrustation scale cage
（4）With cover chamber（42）, and cover chamber（42）One end is open ports, other end connection extension stem（41）, incrustation scale cage (4) passes through
Open ports one end is nested with electrothermal tube（3）All or part of height and position of outer wall.
4. according to any convenient Instant heating type water heaters for removing incrustation scale of claim 1-3, it is characterized in that, the electrothermal tube
（3）It is U-shaped electrothermal tube or vertical bar type electrothermal tube or spiral shape electrothermal tube.
5. according to any convenient Instant heating type water heaters for removing incrustation scale of claim 1-3, it is characterized in that, the incrustation scale every
From cover（4）Surface on be provided with heat emission hole（43）.
6. facilitate the Instant heating type water heater for removing incrustation scale according to claim 5, it is characterized in that, the tube chamber（2）On set
It is equipped with handle mouthful（21）, incrustation scale cage（4）Extension stem（41）Through the handle mouthful（21）And handle mouthful（21）Place is provided with sealing
Part（5）.
7. facilitate the Instant heating type water heater for removing incrustation scale according to claim 6, it is characterized in that, the handle mouthful（21）Set
In tube chamber（2）Bottom wall or roof on.
8. facilitate the Instant heating type water heater for removing incrustation scale according to claim 5, it is characterized in that, the incrustation scale cage
（4）Inwall and electrothermal tube（3）There is gap between outer wall（6）.
9. facilitate the Instant heating type water heater for removing incrustation scale according to claim 1, it is characterized in that, also include housing（7）,
Extend the extension stem of the incrustation scale cage of tube chamber（41）With the housing（7）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305866.7A CN107091525A (en) | 2017-05-03 | 2017-05-03 | The convenient Instant heating type water heater for removing incrustation scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710305866.7A CN107091525A (en) | 2017-05-03 | 2017-05-03 | The convenient Instant heating type water heater for removing incrustation scale |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107091525A true CN107091525A (en) | 2017-08-25 |
Family
ID=59637085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710305866.7A Pending CN107091525A (en) | 2017-05-03 | 2017-05-03 | The convenient Instant heating type water heater for removing incrustation scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107091525A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945483A (en) * | 2019-02-18 | 2019-06-28 | 中山市华动电器有限公司 | A kind of water heater being convenient to clean |
| CN110736254A (en) * | 2019-10-18 | 2020-01-31 | 中山市海榄电器制造有限公司 | instant heating type heater assembly |
| EP3712510A4 (en) * | 2017-12-06 | 2021-01-27 | Mitsubishi Electric Corporation | Water circulation device construction method and scale removal device |
| CN112413883A (en) * | 2020-11-19 | 2021-02-26 | 曹明 | Water storage type rapid heating water heater |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3034059U (en) * | 1996-02-23 | 1997-02-14 | 勝雄 周 | Electric water heater heating device |
| WO2007119233A2 (en) * | 2006-04-13 | 2007-10-25 | Ovadia Ashkenazi | External immersion device for removal of limescale and sediment from electric water heating tanks |
| CN103075797A (en) * | 2013-02-05 | 2013-05-01 | 冯海涛 | Instant drinking water heating device |
| JP2015161436A (en) * | 2014-02-27 | 2015-09-07 | 株式会社富士通ゼネラル | Hot water heating device |
| CN206755559U (en) * | 2017-05-03 | 2017-12-15 | 佛山市玖冠宇科技有限公司 | The convenient Instant heating type water heater for removing incrustation scale |
-
2017
- 2017-05-03 CN CN201710305866.7A patent/CN107091525A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3034059U (en) * | 1996-02-23 | 1997-02-14 | 勝雄 周 | Electric water heater heating device |
| WO2007119233A2 (en) * | 2006-04-13 | 2007-10-25 | Ovadia Ashkenazi | External immersion device for removal of limescale and sediment from electric water heating tanks |
| CN103075797A (en) * | 2013-02-05 | 2013-05-01 | 冯海涛 | Instant drinking water heating device |
| JP2015161436A (en) * | 2014-02-27 | 2015-09-07 | 株式会社富士通ゼネラル | Hot water heating device |
| CN206755559U (en) * | 2017-05-03 | 2017-12-15 | 佛山市玖冠宇科技有限公司 | The convenient Instant heating type water heater for removing incrustation scale |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3712510A4 (en) * | 2017-12-06 | 2021-01-27 | Mitsubishi Electric Corporation | Water circulation device construction method and scale removal device |
| CN109945483A (en) * | 2019-02-18 | 2019-06-28 | 中山市华动电器有限公司 | A kind of water heater being convenient to clean |
| CN110736254A (en) * | 2019-10-18 | 2020-01-31 | 中山市海榄电器制造有限公司 | instant heating type heater assembly |
| CN112413883A (en) * | 2020-11-19 | 2021-02-26 | 曹明 | Water storage type rapid heating water heater |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170825 |
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| RJ01 | Rejection of invention patent application after publication |