CN201935364U - Gas water heater with circulating pump - Google Patents
Gas water heater with circulating pump Download PDFInfo
- Publication number
- CN201935364U CN201935364U CN2011200470973U CN201120047097U CN201935364U CN 201935364 U CN201935364 U CN 201935364U CN 2011200470973 U CN2011200470973 U CN 2011200470973U CN 201120047097 U CN201120047097 U CN 201120047097U CN 201935364 U CN201935364 U CN 201935364U
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- water
- circulating pump
- supply connector
- pipeline
- water supply
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- Expired - Lifetime
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 117
- 239000000523 sample Substances 0.000 claims description 18
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 16
- 230000002528 anti-freeze Effects 0.000 claims description 6
- 239000002699 waste material Substances 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000003287 bathing Methods 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 230000019771 cognition Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000003203 everyday effect Effects 0.000 description 2
- 230000002354 daily effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 238000013014 water-saving technology Methods 0.000 description 1
Images
Abstract
A gas water heater with a circulating pump comprises a heat collector and the circulating pump arranged on a shell, wherein the circulating pump is electrically connected with a controller; the cold water inlet joint and the circulating water inlet joint on the shell are connected with the circulating pump through the tee joint. Compared with the prior art, the utility model following beneficial effect has: 1) the installation is not limited to whether the user's house has pre-buried return water pipeline, during the installation, only needs to be connected water heater cold water inlet and running water supply pipeline to near the muddy water valve with arbitrary hot water point of user's house parallelly connected go out a cold and hot water check pipe who takes the check valve, can realize circulation preheating and the frost-proof purpose of intelligence. 2) The circulation preheating can not only prevent the waste of front end cold water when the water heater is used, but also reduce the waiting time of a user, achieve the purpose of opening the water heater immediately and discharging hot water, and enable the user to bath comfortably.
Description
Technical field
The utility model relates to a kind of gas heater, particularly a kind of gas heater with circulating pump.
Background technology
Under global resources overall situation in short supply, the idea of energy-conserving and environment-protective is rooted in the hearts of the people.In the gas heater technical field, the technology that works out multinomial energy-conservation province gas that people have done one's utmost, such as overheavy firing technology, condensing heat-exchange technology etc., and be widely used.Yet but far can not adapt for the research of the water-saving technology of water heater, and do not obtain popular common cognition, fail to obtain to popularize utilization with the present situation of China water scarcity.In China, along with the propelling of urbanization process, the growth of urban population, the expansion of industrial development scale, water resource is day by day nervous, and especially in the Northwest of China, water scarcity has become normality.So country vigorously advocates everybody using water wisely, each the details place water saving in life obtains the numerous common people's common cognition and support.
Water heater is as the functional product of the daily shower of people, gas heater especially, and advantage such as itself had, and to go out hot water fast, and water is unrestricted makes gas heater be widely used through years of development." enforcement in succession of policies such as West-east Gas, " urbanization ", gas heater obtains more and more many people's favor along with country especially in recent years.Yet gas heater is installed in outside the bathroom based on general requirement of the consideration of safety, and according to the difference of subscriber household environment, what have is contained in balcony, and what have is contained in the kitchen, and the delivery port distance users of gas heater is just very long with the pipeline of water spot like this.For rising the bigger water heater of number, general user family all is the circuit design of multiple spot water, and above-mentioned pipeline will be complicated more.
When the user uses water heater at every turn, the a large amount of cold water that all need to retain in the pipeline flow to end could enjoy hot bath or shower, and after having taken a shower at every turn, hot water in this section pipeline also will slowly cool off, when taking a shower next time, drain at leading portion, this has not only caused the waste of great lot of water resources, also brings the uncomfortable shower of user and experiences.Study estimate according to investigations, in the residenter house of one ten floor height, above-mentioned duct length is on average more than 5 meters, press pipe diameter 20mm measuring and calculating, the cold water of draining before the each bathing of each household is approximately 1.6 liters, uses No. 2 gas heater bathings every day by average each household, and the water yield of the annual waste in a family is about 1150 liters so, the bed rearrangement residential building calculates by 300 families, and the Total Water of waste in a year will be up to 345 tons.Therefore, be necessary to be further improved and perfect.
The utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, easy, energy-conserving and environment-protective of assembling and has preheating and the gas heater of the band circulating pump of function of increasing pressure, to overcome weak point of the prior art.
A kind of gas heater by this purpose design with circulating pump, comprise heat collector and the circulating pump that is arranged on the housing, this circulating pump is electrically connected with controller, and its architectural feature is that the water inlet of described circulating pump is provided with three-way connection, and this three-way connection is provided with the inflow temperature probe; Cold water water supply connector and circulation water supply connector on the housing link together by three-way connection and circulating pump.
The delivery port of described circulating pump and the water inlet pipe of heat collector are interconnected, and are provided with water flow sensing unit between this circulating pump and the heat collector; The outlet pipe of heat collector is provided with leaving water temperature probe, and is connected with water out adapter on the housing, and water out adapter is connected with hot water pipeline.
Be provided with hot water circuit pipeline and check valve between described three-way connection and the circulation water supply connector, be connected with the hot and cold water one-way pipeline that is arranged in parallel with mixed water valve in the circulation water supply connector.
Be connected with cold water water inlet tube connector between described three-way connection and the cold water water supply connector, the common water-flow circuit of forming of water out adapter, cold water water supply connector, circulation water supply connector and heat collector and circulating pump.
Described water flow sensing unit and inflow temperature probe electrically connect with controller; Be provided with the automatically controlled program that is used for received signal and execution in the controller, this automatically controlled program comprises circulation preheating program, additional mechanical supercharging program and intelligent antifreeze program.
Also be provided with the inlet suction port and the attaching plug that connect gas pipeline on the described housing, this attaching plug is electrically connected with circulating pump; Circulating pump and controller are fixedly arranged in the housing by securing member.
The utility model compared with prior art has following beneficial effect:
1) installs and not to be subject to user's family and to have or not pre-buried water return pipeline, during installation, only need the water heater cold water water inlet is connected with the tap water supply pipeline, and user family is arbitrary with near the hot and cold water one-way pipeline that the goes out a band check valve in parallel mixed water valve of hot water point, preheating and the antifreeze purpose of intelligence can realize circulating.
The waste of the front end cold water when 2) the circulation preheating can not only be stopped water heater and brought into use can also reduce the time that the user waits for, reaches and promptly opens instant-heating and outlet hot, makes the user can cosily carry out bathing.
3) by the discharge size of water flow sensing unit Auto-Sensing user family,, thereby satisfy low also easily bathing of hydraulic pressure user if controller judges when discharge is lower than particular range that the startup circulating pump carries out supercharging to the current of user family.
4) advance water temperature value by coolant-temperature gage probe detection Auto-Sensing and preset value compares; if water temperature value is when being lower than preset value; controller starts circulating pump automatically to the heating that circulates of the water in the pipeline; reach the antifreeze effect of intelligence; and then effectively protect water tank not to be damaged by frost, prolong complete machine service life.
Description of drawings
Fig. 1 is embodiment master's TV structure schematic diagram of the present utility model.
Fig. 2 is the water route principle schematic of Fig. 1.
Among the figure: 1 is housing, and 2 is heat collector, and 3 are the leaving water temperature probe, 4 is water out adapter, and 5 is the cold water water supply connector, and 6 are cold water water inlet tube connector, 7 is three-way connection, and 8 are the circulation water supply connector, and 9 is attaching plug, 10 are the inflow temperature probe, 11 is circulating pump, and 12 is water flow sensing unit, and 13 is controller, 14 is inlet suction port, and 15 is check valve.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further described.
Referring to Fig. 1-Fig. 2, the gas heater of this band circulating pump, comprise heat collector 2 and the attaching plug 9 and the circulating pump 11 that circulation power is provided that are arranged on the housing 1, circulating pump 11 is electrically connected with attaching plug 9 and controller 13, and circulating pump 11 and controller 13 are fixedly arranged in the housing 1 by screw.Also be provided with inlet suction port 14, the cold water water supply connector 5 that connects water supply pipe that connects gas pipeline, the water out adapter 4 and the circulation water supply connector 8 that is connected the hot water circuit pipeline that connects the hot-water outlet pipe road on the housing 1.
The water inlet of circulating pump 11 is provided with three-way connection 7, and this three-way connection 7 is provided with inflow temperature probe 10, and cold water water supply connector 5 on the housing 1 and circulation water supply connector 8 link together by three-way connection 7 and circulating pump 11.Be provided with hot water circuit pipeline and check valve 15 between three-way connection 7 and the circulation water supply connector 8, be connected with the hot and cold water one-way pipeline that is arranged in parallel with mixed water valve in the circulation water supply connector 8.Be connected with cold water water inlet tube connector 6 between three-way connection 7 and the cold water water supply connector 5, water out adapter 4, cold water water supply connector 5, circulation water supply connector 8 and heat collector 2 and the circulating pump 11 common water-flow circuits of forming.The water inlet pipe of the delivery port of circulating pump 11 and heat collector 2 is interconnected, and is provided with water flow sensing unit 12 between this circulating pump 11 and the heat collector 2.The outlet pipe of heat collector 2 is provided with leaving water temperature probe 3, and is connected with water out adapter 4 on the housing 1, and water out adapter 4 is connected with hot water pipeline.
Water flow sensing unit 12 and 10 controls of inflow temperature probe electrically connect with the system device; Be provided with the automatically controlled program that is used for received signal and execution in the controller 13, this automatically controlled program comprises circulation preheating program, additional mechanical supercharging program and intelligent antifreeze program.The circulation preheating program can be divided into two kinds of patterns, and the user can freely select a key preheating mode, perhaps the timing preheating mode.When the user selects a key preheating mode, controller 13 is by the temperature signal of detecting inflow temperature probe 10 feedbacks, when inflow temperature is lower than 3 ℃ of user's bathing set temperature value, the water that starts circulating pump 11 driving circulation lines circulates, water flow sensing unit 12 detected water-flow signal and fed back to controller 13 this moment, water heater starts and heating, when the water temperatures of surveying when inflow temperature probe 10 are higher than 2 ℃ of set temperature value, controller 13 cuts out circulating pump 11, water stops to flow in the circulation line at this moment, water flow sensing unit 12 is given controller 13 with signal feedback, water heater quits work, the preheat function that circulates this moment stops, and selects a key preheating mode once more or selects regularly preheating mode until the user.When the user selects regularly preheating mode, controller 13 is with the every day of ON cycle preheating in the predefined timing section of user, in this timing section, temperature signal and set temperature value that controller 13 will constantly feed back inflow temperature probe 10 compare, when the temperature signal of feedback is lower than 3 ℃ of design temperatures, start circulating pump 11 heating that circulates, when the temperature signal temperature of feedback is higher than 2 ℃ of design temperatures and spends, close circulating pump 11, so repeatedly until the time of advent section terminal point or user cancel regularly preheat function pattern.
The additional mechanical supercharging program: controller 13 is by receiving the water flow signal of water flow sensing unit 12 feedbacks, when the value of discharge is in the scope of 2.5-3.5L/Min, controller 13 will start current in 11 pairs of pipelines of circulating pump, and to carry out supercharging incremental, satisfies low hydraulic pressure user bathing requirement.
The antifreeze program of intelligence: controller 13 is by receiving the temperature signal of inflow temperature probe 10 feedbacks, when the temperature signal of inflow temperature probe 10 feedbacks is lower than 7 ℃, starting circulating pump 11 circulates the water in the pipeline, and then startup water heater heating, when the temperature signals of inflow temperature probe 10 feedbacks are higher than 20 when spending, water circulating pump 11 will shut down, and water heater stops heating.
Claims (6)
1. gas heater with circulating pump, comprise heat collector (2) and be arranged at circulating pump (11) on the housing (1), this circulating pump (11) is electrically connected with controller (13), the water inlet that it is characterized in that described circulating pump (11) is provided with three-way connection (7), and this three-way connection (7) is provided with inflow temperature probe (10); Cold water water supply connector (5) on the housing (1) and circulation water supply connector (8) link together by three-way connection (7) and circulating pump (11).
2. according to the gas heater of the described band circulating pump of claim 1, it is characterized in that the delivery port of described circulating pump (11) and the water inlet pipe of heat collector (2) are interconnected, and are provided with water flow sensing unit (12) between this circulating pump (11) and the heat collector (2); The outlet pipe of heat collector (2) is provided with leaving water temperature probe (3), and is connected with water out adapter (4) on the housing (1), and water out adapter (4) is connected with hot water pipeline.
3. according to the gas heater of the described band circulating pump of claim 2, it is characterized in that being provided with hot water circuit pipeline and check valve (15) between described three-way connection (7) and the circulation water supply connector (8), be connected with the hot and cold water one-way pipeline that is arranged in parallel with mixed water valve in the circulation water supply connector (8).
4. according to the gas heater of claim 1 or 2 or 3 described band circulating pumps, it is characterized in that being connected with between described three-way connection (7) and the cold water water supply connector (5) cold water water inlet tube connector (6), water out adapter (4), cold water water supply connector (5), circulation water supply connector (8) and heat collector (2) are formed a water-flow circuit jointly with circulating pump (11).
5. according to the gas heater of the described band circulating pump of claim 4, it is characterized in that described water flow sensing unit (12) and inflow temperature probe (10) and controller (13) electrically connect; Be provided with the automatically controlled program that is used for received signal and execution in the controller (13), this automatically controlled program comprises circulation preheating program, additional mechanical supercharging program and intelligent antifreeze program.
6. according to the gas heater of the described band circulating pump of claim 5, it is characterized in that also being provided with inlet suction port (14) and the attaching plug (9) that connects gas pipeline on the described housing (1), this attaching plug (9) is electrically connected with circulating pump (11); Circulating pump (11) and controller (13) are fixedly arranged in the housing (1) by securing member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200470973U CN201935364U (en) | 2011-02-16 | 2011-02-16 | Gas water heater with circulating pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200470973U CN201935364U (en) | 2011-02-16 | 2011-02-16 | Gas water heater with circulating pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201935364U true CN201935364U (en) | 2011-08-17 |
Family
ID=44446882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200470973U Expired - Lifetime CN201935364U (en) | 2011-02-16 | 2011-02-16 | Gas water heater with circulating pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201935364U (en) |
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104776589A (en) * | 2015-04-20 | 2015-07-15 | 芜湖美的厨卫电器制造有限公司 | Water control device and gas water heater |
| CN104930692A (en) * | 2015-06-29 | 2015-09-23 | 广东万和新电气股份有限公司 | Gas water heater, control method thereof and waterway pipe network |
| TWI509206B (en) * | 2013-09-25 | 2015-11-21 | Taiwan Sakura Corp | Preheating method for water heater and water heater |
| TWI513945B (en) * | 2012-03-09 | 2015-12-21 | Taiwan Sakura Corp | Heating apparatus with water-saving recirculation |
| CN105546803A (en) * | 2016-02-01 | 2016-05-04 | 艾欧史密斯(中国)热水器有限公司 | Gas-fired water heating device, gas-fired water heating system, gas-fired water heater and water heating device |
| CN106052115A (en) * | 2016-05-26 | 2016-10-26 | 珠海格力电器股份有限公司 | Wall-mounted furnace and control method thereof |
| CN106196563A (en) * | 2016-08-22 | 2016-12-07 | 广东万家乐燃气具有限公司 | The pre-heating mean of gas heater, fuel gas water heating system and gas heater |
| CN106288336A (en) * | 2016-07-13 | 2017-01-04 | 威能（中国）供热制冷环境技术有限公司 | Warm-up block and use the gas and hot water device systems of this warm-up block |
| CN106403253A (en) * | 2016-08-26 | 2017-02-15 | 广东万家乐燃气具有限公司 | Hot water circulating method and device with water proportional valve |
| CN106500343A (en) * | 2016-10-13 | 2017-03-15 | 广东万家乐燃气具有限公司 | A kind of control method of central fuel gas water heating device |
| CN106996634A (en) * | 2016-01-25 | 2017-08-01 | 樱花卫厨（中国）股份有限公司 | Tool supercharging and the gas heater of preheating |
| CN107036296A (en) * | 2017-05-06 | 2017-08-11 | 广东万家乐燃气具有限公司 | Multifunctional central gas heater and its control system |
| CN107367065A (en) * | 2016-05-12 | 2017-11-21 | 青岛经济技术开发区海尔热水器有限公司 | A kind of gas heater antifreeze using water pump and method |
| CN107367051A (en) * | 2016-05-12 | 2017-11-21 | 青岛经济技术开发区海尔热水器有限公司 | A kind of gas heater antifreeze using water pump and adding thermal resistance and method |
| CN104633945B (en) * | 2015-01-30 | 2018-01-02 | 芜湖美的厨卫电器制造有限公司 | The control method and system and gas heater of gas heater |
| CN107781978A (en) * | 2016-08-26 | 2018-03-09 | 华帝股份有限公司 | Intelligent gas water heater with variable-lift function |
| CN107990560A (en) * | 2017-12-01 | 2018-05-04 | 广东万家乐燃气具有限公司 | Water heater pre-heating mean and water heater |
| CN108036498A (en) * | 2017-12-07 | 2018-05-15 | 成都前锋电子有限责任公司 | A kind of gas heater and its intelligent booster control method |
| CN108036497A (en) * | 2017-12-07 | 2018-05-15 | 成都前锋电子有限责任公司 | A kind of gas heater and its preheating start-up and shut-down control method |
| CN108088069A (en) * | 2017-12-07 | 2018-05-29 | 成都前锋电子有限责任公司 | A kind of energy saving gas burning water heater for possessing pre- hot function, heating system and method |
| CN108088070A (en) * | 2017-12-07 | 2018-05-29 | 成都前锋电子有限责任公司 | A kind of Intelligent preheating gas heater and its subsystem and implementation method |
| CN108469118A (en) * | 2018-03-09 | 2018-08-31 | 中山市今大金属制品有限公司 | A kind of the water supply of water heater system and control method of postposition circulating pump |
| CN110873248A (en) * | 2019-10-29 | 2020-03-10 | 宁波方太厨具有限公司 | Water inlet connector of gas water heater and gas water heater with same |
| CN111442521A (en) * | 2020-03-16 | 2020-07-24 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and anti-freezing control method |
-
2011
- 2011-02-16 CN CN2011200470973U patent/CN201935364U/en not_active Expired - Lifetime
Cited By (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI513945B (en) * | 2012-03-09 | 2015-12-21 | Taiwan Sakura Corp | Heating apparatus with water-saving recirculation |
| TWI509206B (en) * | 2013-09-25 | 2015-11-21 | Taiwan Sakura Corp | Preheating method for water heater and water heater |
| CN104633945B (en) * | 2015-01-30 | 2018-01-02 | 芜湖美的厨卫电器制造有限公司 | The control method and system and gas heater of gas heater |
| CN104776589B (en) * | 2015-04-20 | 2017-10-27 | 芜湖美的厨卫电器制造有限公司 | Water-control device and gas heater |
| CN104776589A (en) * | 2015-04-20 | 2015-07-15 | 芜湖美的厨卫电器制造有限公司 | Water control device and gas water heater |
| CN104930692A (en) * | 2015-06-29 | 2015-09-23 | 广东万和新电气股份有限公司 | Gas water heater, control method thereof and waterway pipe network |
| CN106996634A (en) * | 2016-01-25 | 2017-08-01 | 樱花卫厨（中国）股份有限公司 | Tool supercharging and the gas heater of preheating |
| CN105546803A (en) * | 2016-02-01 | 2016-05-04 | 艾欧史密斯(中国)热水器有限公司 | Gas-fired water heating device, gas-fired water heating system, gas-fired water heater and water heating device |
| CN105546803B (en) * | 2016-02-01 | 2019-12-20 | 艾欧史密斯(中国)热水器有限公司 | Gas water heating device, gas water heating system, gas water heater and water heating device |
| CN107367051A (en) * | 2016-05-12 | 2017-11-21 | 青岛经济技术开发区海尔热水器有限公司 | A kind of gas heater antifreeze using water pump and adding thermal resistance and method |
| CN107367065A (en) * | 2016-05-12 | 2017-11-21 | 青岛经济技术开发区海尔热水器有限公司 | A kind of gas heater antifreeze using water pump and method |
| CN106052115A (en) * | 2016-05-26 | 2016-10-26 | 珠海格力电器股份有限公司 | Wall-mounted furnace and control method thereof |
| CN106288336A (en) * | 2016-07-13 | 2017-01-04 | 威能（中国）供热制冷环境技术有限公司 | Warm-up block and use the gas and hot water device systems of this warm-up block |
| CN106288336B (en) * | 2016-07-13 | 2019-05-24 | 威能（中国）供热制冷环境技术有限公司 | Warm-up block and the gas and hot water device systems for using the warm-up block |
| CN106196563A (en) * | 2016-08-22 | 2016-12-07 | 广东万家乐燃气具有限公司 | The pre-heating mean of gas heater, fuel gas water heating system and gas heater |
| CN106403253A (en) * | 2016-08-26 | 2017-02-15 | 广东万家乐燃气具有限公司 | Hot water circulating method and device with water proportional valve |
| CN107781978A (en) * | 2016-08-26 | 2018-03-09 | 华帝股份有限公司 | Intelligent gas water heater with variable-lift function |
| CN107781978B (en) * | 2016-08-26 | 2023-11-21 | 华帝股份有限公司 | Intelligent gas water heater with variable-lift function |
| CN106500343A (en) * | 2016-10-13 | 2017-03-15 | 广东万家乐燃气具有限公司 | A kind of control method of central fuel gas water heating device |
| CN107036296A (en) * | 2017-05-06 | 2017-08-11 | 广东万家乐燃气具有限公司 | Multifunctional central gas heater and its control system |
| CN107990560A (en) * | 2017-12-01 | 2018-05-04 | 广东万家乐燃气具有限公司 | Water heater pre-heating mean and water heater |
| CN108088070A (en) * | 2017-12-07 | 2018-05-29 | 成都前锋电子有限责任公司 | A kind of Intelligent preheating gas heater and its subsystem and implementation method |
| CN108088069A (en) * | 2017-12-07 | 2018-05-29 | 成都前锋电子有限责任公司 | A kind of energy saving gas burning water heater for possessing pre- hot function, heating system and method |
| CN108036497A (en) * | 2017-12-07 | 2018-05-15 | 成都前锋电子有限责任公司 | A kind of gas heater and its preheating start-up and shut-down control method |
| CN108036498A (en) * | 2017-12-07 | 2018-05-15 | 成都前锋电子有限责任公司 | A kind of gas heater and its intelligent booster control method |
| CN108469118A (en) * | 2018-03-09 | 2018-08-31 | 中山市今大金属制品有限公司 | A kind of the water supply of water heater system and control method of postposition circulating pump |
| CN110873248A (en) * | 2019-10-29 | 2020-03-10 | 宁波方太厨具有限公司 | Water inlet connector of gas water heater and gas water heater with same |
| CN110873248B (en) * | 2019-10-29 | 2021-08-20 | 宁波方太厨具有限公司 | Water inlet connector of gas water heater and gas water heater with same |
| CN111442521A (en) * | 2020-03-16 | 2020-07-24 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and anti-freezing control method |
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Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER NAME: MEIDI GROUP CO. LTD. |
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| CP03 | Change of name, title or address |
Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528300, Guangdong, Foshan Town, Shunde District, Beijiao Province, beautiful avenue, beautiful headquarters building, B28 science and technology management department Patentee before: Midea Group |
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Granted publication date: 20110817 |