CN109297179B - Electric auxiliary preheating circulation gas water heater, preheating circulation system and control method - Google Patents
Electric auxiliary preheating circulation gas water heater, preheating circulation system and control method Download PDFInfo
- Publication number
- CN109297179B CN109297179B CN201710610090.XA CN201710610090A CN109297179B CN 109297179 B CN109297179 B CN 109297179B CN 201710610090 A CN201710610090 A CN 201710610090A CN 109297179 B CN109297179 B CN 109297179B
- Authority
- CN
- China
- Prior art keywords
- water
- temperature
- gas
- outlet
- inlet
- 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.)
- Active
Links
Images
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
- F24H1/0018—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using electric energy supply
-
- 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
- F24H1/0027—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters using fluid fuel
-
- 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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2028—Continuous-flow heaters
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)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
本发明属于燃气热水器技术领域，公开了电辅助预热循环燃气热水器、预热循环系统及控制方法。电辅助预热循环燃气热水器在出水管路上设置连接于控制器的智能加热模块，在燃气热水器开启预热循环功能后，如果燃气热水器以最小热负荷加热的水的温度高于设定出水温度Ts，控制器关闭燃气加热并控制所述智能加热模块开启，加热水至设定出水温度Ts。本发明通过上述燃气热水器，当其燃气加热以最小热负荷加热水时，如果加热的水的温度依旧高于设定出水温度，可以关闭燃气加热，并通过智能加热模块进行加热到所需要的设定出水温度，满足了在实现零冷水的前提下，不会造成出水温度冷热不均的问题，满足了用户不用放水等待，随时热水可用的要求。
The invention belongs to the technical field of gas water heaters, and discloses an electric auxiliary preheating circulating gas water heater, a preheating circulating system and a control method. The electric auxiliary preheating cycle gas water heater is equipped with an intelligent heating module connected to the controller on the water outlet pipeline. After the gas water heater starts the preheating cycle function, if the temperature of the water heated by the gas water heater with the minimum heat load is higher than the set outlet water temperature Ts , the controller turns off the gas heating and controls the intelligent heating module to turn on, and heats the water to the set water outlet temperature Ts. In the present invention, through the above-mentioned gas water heater, when the gas is heated to heat the water with the minimum heat load, if the temperature of the heated water is still higher than the set water temperature, the gas heating can be turned off, and the intelligent heating module can be used to heat to the required setting. Setting the outlet water temperature meets the requirement that the outlet water temperature will not be unevenly cooled and hot under the premise of achieving zero cold water, and that the user does not have to wait for the water to be discharged and the hot water is available at any time.
Description
Technical Field
The invention relates to the technical field of gas water heaters, in particular to an electric auxiliary preheating circulation gas water heater, a preheating circulation system and a control method.
Background
The existing household gas water heater is gradually the first choice of the water heater due to the characteristics of instant use of hot water and the like. However, the gas water heater has the following problems when in use: when the gas water heater is started, hot water can be discharged only after cold water stored in a hot water outlet pipeline is discharged, so that a user needs to wait and discharged cold water is wasted; when the water outlet valve is opened again, cold and hot water phenomena can occur, and the comfort of users is influenced.
In order to solve the above problems, a water heater with a preheating circulation function is designed at present, and the water heater returns cold water in a hot water outlet pipe to a cold water inlet pipe through a water return pipe and enters the water heater through the cold water inlet pipe to be heated, so that the cold water in the hot water outlet pipe can be preheated, and the problem that the cold water needs to be discharged before water is used can be solved.
However, the minimum heat load of the gas water heater with the function cannot be small enough, the circulating water flow is small, the water temperature in the hot water outlet pipe is too high, the difference between the return water temperature and the outlet water temperature is large during preheating circulation, the hot water temperature difference in the circulating pipeline is large and uneven, when the outlet valve is opened, the outlet water temperature is often uneven in temperature and cold, the gas water heater can only be used for washing and rinsing, bathing cannot be directly performed, and water still needs to be discharged.
Disclosure of Invention
The invention aims to provide an electric auxiliary preheating circulation gas water heater to solve the problems that the minimum heat load of the existing gas water heater cannot be small enough, and the cold and hot water outlet temperature is uneven easily.
The invention also aims to provide a preheating circulation system which comprises the electric auxiliary preheating circulation gas water heater, realizes instant heating of boiled water of users, has the characteristic of zero cold water, and does not have the problem of uneven cold and hot water outlet temperature.
Still another object of the present invention is to provide a control method of a preheating circulation system to realize zero cold water usage so that a user can use hot water without waiting.
In order to achieve the purpose, the invention adopts the following technical scheme:
an electric auxiliary preheating circulation gas water heater is characterized in that an intelligent heating module connected to a controller is arranged on a water outlet pipeline, after a preheating circulation function of the gas water heater is started, if the temperature of water heated by the gas water heater with the minimum heat load is higher than a set outlet water temperature Ts, the controller closes gas heating and controls the intelligent heating module to be started, the water is heated to the set outlet water temperature Ts, a water pump and a water flow sensor are arranged on the water inlet pipeline, and the water pump and the water flow sensor are both connected to the controller;
a second temperature sensor (7) and a third temperature sensor (9) which are connected to a controller (10) are arranged at the positions of the water outlet pipeline (6) on the two sides of the intelligent heating module (8) and are used for respectively detecting the temperature of water on the two sides of the intelligent heating module (8);
the water inflow rate Q is detected through the water flow rate sensor (4), and when the water inflow rate Q is not less than a set value Q1, the gas water heater (100) heats gas and delivers hot water at a constant temperature;
when the inflow water flow Q is smaller than a set value Q1, the inflow water temperature T1 of water in the water inlet pipeline (1) of the gas water heater (100) is detected through the first temperature sensor (3), when the inflow water temperature T1 is smaller than a set preheating circulation temperature Tx, the water pump (2) is controlled to operate, and when the water flow sensor (4) senses that the inflow water flow Q is not smaller than a set value Q1, the gas water heater (100) starts gas heating.
Preferably, the water inlet pipeline is provided with a first temperature sensor connected to the controller and used for detecting the temperature of water in the water inlet pipeline.
Preferably, the intelligent heating module comprises an electric heating body and an S-shaped coil pipe positioned in the electric heating body, and two ends of the S-shaped coil pipe are respectively connected to water outlet pipelines on two sides of the electric heating body.
According to the gas water heater, when the gas water heater heats water with the minimum heat load, if the temperature of the heated water is still higher than the set outlet water temperature, the gas water heater can be turned off, and the gas water heater is heated to the required set outlet water temperature through the intelligent heating module, so that the problem of uneven outlet water temperature can be solved on the premise of realizing zero cold water. The requirement that the user does not need to wait for water discharge and hot water is available at any time is met.
The invention provides a preheating circulation system which comprises the electric auxiliary preheating circulation gas water heater.
As preferred, still including connecting in the cold water inlet tube of water intake pipe and connecting in outlet pipe's hot water outlet pipe, cold water inlet tube intercommunication has the cold water outlet pipe, the hot water outlet pipe all is connected in outlet valve with the cold water outlet pipe, hot water outlet pipe end connection has the wet return, the wet return is connected on the cold water inlet tube, just be provided with the check valve that switches on to the cold water inlet tube direction on the wet return.
The preheating circulating system can realize instant heating of boiled water for users, has the characteristic of zero cold water, and does not have the problem of uneven cold and hot water outlet temperature.
The invention also provides a control method of the preheating circulation system, which comprises the following steps:
starting a preheating circulation function of the gas water heater;
the gas water heater heats water in a water inlet pipeline of the gas water heater with the minimum heat load of gas heating;
when the temperature of the heated water in the water inlet pipeline is higher than the set outlet water temperature Ts, the gas heating is turned off, the intelligent heating module is controlled to be turned on, and the water is heated to the set outlet water temperature Ts;
after the function of starting the preheating cycle of the gas water heater, the method further comprises the following steps:
detecting the inflow water flow Q through a water flow sensor, and when the inflow water flow Q is not less than a set value Q1, heating by gas of the gas water heater and conveying hot water at constant temperature;
when the inflow Q is smaller than a set value Q1, the inflow temperature T1 of water in an inflow pipeline of the gas water heater is detected through a first temperature sensor, when the inflow temperature T1 is smaller than a set preheating circulation temperature Tx, the water pump is controlled to operate, the water flow sensor senses that the inflow Q is not smaller than a set value Q1, and the gas water heater starts gas heating.
Preferably, when the temperature of the water heated in the water inlet pipeline is higher than a set outlet water temperature Ts, the gas heating is turned off and the intelligent heating module is controlled to be turned on, and heating the water to the set outlet water temperature Ts includes:
detecting a first outlet water temperature T2 of water heated by gas in a water outlet pipeline of the gas water heater through a second temperature sensor, and when the first outlet water temperature T2 is higher than a set outlet water temperature Ts, closing gas heating and opening the intelligent heating module;
detecting a second outlet water temperature T3 of the water heated by the intelligent heating module through a third temperature sensor, controlling the output power value of the intelligent heating module, closing the intelligent heating module and the water pump when the second outlet water temperature T3 is equal to a set outlet water temperature Ts and the inlet water temperature T1 is not less than the preheating circulation temperature Tx, and finishing the preheating circulation function of the gas water heater.
The control method of the preheating circulation system can realize zero cold water use, so that a user can use hot water without waiting.
Drawings
Fig. 1 is a schematic structural diagram of a gas water heater according to a first embodiment of the invention;
FIG. 2 is a schematic structural diagram of an intelligent heating module according to a first embodiment of the invention;
FIG. 3 is a schematic view of a preheating cycle system according to a second embodiment of the present invention;
fig. 4 is a flowchart of a control method of a preheating circulation system according to a second embodiment of the present invention.
In the figure:
1. a water inlet pipeline; 2. a water pump; 3. a first temperature sensor; 4. a water flow sensor; 5. a heat exchanger; 6. a water outlet pipeline; 7. a second temperature sensor; 8. an intelligent heating module; 9. a third temperature sensor; 10. a controller; 81. an electric heater; 82. an S-shaped coil pipe; 100. a gas water heater; 101. a cold water inlet pipe; 102. a hot water outlet pipe; 103. a cold water outlet pipe; 104. a water outlet valve; 105. a water return pipe; 106. a one-way valve; 107. a main water inlet pipe; 108. a stop valve; 109. a pressure reducing valve.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Example one
The embodiment provides an electric auxiliary preheating circulation gas water heater, specifically means that this gas water heater 100 has an electric auxiliary preheating circulation function, wherein can refer to fig. 1, this gas water heater 100 includes inlet pipe 1, water pump 2, first temperature sensor 3, water flow sensor 4, heat exchanger 5, outlet pipe 6, second temperature sensor 7, intelligent heating module 8, third temperature sensor 9 and controller 10, wherein:
the water inlet pipeline 1 can be connected to a water source (such as tap water), the water pump 2, the first temperature sensor 3 and the water flow sensor 4 are all arranged on the water inlet pipeline 1, and the water pump 2 is used for providing power for the circulating heating process of water in the preheating circulating system when the preheating circulating function of the gas water heater 100 is started. The first temperature sensor 3 and the water flow sensor 4 are respectively used for detecting the water inlet temperature T1 and the water inlet flow Q in the water inlet pipeline 1, and the first temperature sensor 3 and the water flow sensor 4 are both connected to the controller 10 to transmit the signals of the corresponding water inlet temperature T1 and the water inlet flow Q to the controller 10.
The heat exchanger 5 is connected to the water inlet pipeline 1 and the water outlet pipeline 6, respectively, and is used for heating cold water flowing out of the water inlet pipeline 1 and flowing out of the water outlet pipeline 6 when the gas water heater 100 is used for gas heating.
The water outlet pipeline 6 is provided with the intelligent heating module 8 connected to the controller 10, specifically, referring to fig. 2, the intelligent heating module 8 includes an electric heater 81 connected to the controller 10 and an S-shaped coil 82 located inside the electric heater 81, and both ends of the S-shaped coil 82 are respectively connected to the water outlet pipeline 6 on both sides of the electric heater 81. When the intelligent heating module 8 is turned on, the electric heater 81 of the intelligent heating module 8 electrically heats the water flowing into the S-shaped coil 82.
The second temperature sensor 7 and the third temperature sensor 9 are arranged on the water outlet pipeline 6 and located on two sides of the intelligent heating module 8, and the second temperature sensor 7 and the third temperature sensor 9 are connected to the controller 10 and respectively detect the temperature of water on two sides of the intelligent heating module 8.
When a user uses the gas water heater 100 of the present application, firstly, the set outlet water temperature Ts can be selected according to the user's own needs, then the gas water heater 100 heats water with the minimum heat load heated by gas, the first outlet water temperature T2 of the water heated by gas in the water pipeline 6 is detected by the second temperature sensor 7, when the first outlet water temperature T2 is higher than the set outlet water temperature Ts, the gas heating is turned off, the intelligent heating module 8 is turned on, the water is heated by the intelligent heating module 8, the controller 10 controls the intelligent heating module 8 to heat with a proper output power value, the second outlet water temperature T3 of the water heated by the intelligent heating module 8 is detected by the third temperature sensor 9, when the second outlet water temperature T3 is equal to the set outlet water temperature Ts, the heating of water is completed, the gas water heater 100 can flow out the water meeting the user's required temperature, the existing gas water heater 100 is prevented from heating water only by the heat exchanger 5, resulting in uneven cold and hot water temperature of the outlet water.
In this embodiment, considering the heat loss of the hot water in the pipeline and the accuracy of the second temperature sensor 7 when the user uses the water heater, the temperature value of the object to which the first outlet water temperature T2 is compared may be set to be slightly higher, that is, the first outlet water temperature T2 may be compared with the sum of the set outlet water temperature Ts and a set constant temperature value K, and when T2 is greater than Ts + K, the gas heating is turned off, and the intelligent heating module 8 is turned on.
In this embodiment, the output power W of the intelligent heating module 8 is Q × (Ts-T2), and the output power W of the intelligent heating module 8 can be adjusted by setting the outlet water temperature, the detected first outlet water temperature T2 and the inlet water flow Q, so as to meet the heating requirements of different set outlet water temperatures Ts required by different users.
Example two
In the present embodiment, as shown in fig. 3, the preheating cycle system includes the gas water heater 100 described in the first embodiment, a cold water inlet pipe 101 connected to the water inlet pipeline 1 of the gas water heater 100, and a hot water outlet pipe 102 connected to the water outlet pipeline 6 of the gas water heater 100, the cold water inlet pipe 101 is communicated with a cold water outlet pipe 103, both the hot water outlet pipe 102 and the cold water outlet pipe 103 are connected to a water outlet valve 104 (for example, a faucet, a shower head, etc.), a water return pipe 105 is connected to an end of the hot water outlet pipe 102, the water return pipe 105 is connected to the cold water inlet pipe 101, and a check valve 106 that is conducted in the direction of the cold water inlet pipe 101 is disposed on the water return pipe 105.
Further, the present embodiment further includes a main water inlet pipe 107, the main water inlet pipe 107 is connected to the water inlet pipeline 1 of the gas water heater 100 and the cold water inlet pipe 101, and a stop valve 108 is disposed on the main water inlet pipe 107 for controlling opening and closing of the main water inlet pipe 107. Further, a pressure reducing valve 109 is provided in the main water inlet pipe 107 for reducing the pressure of the main water inlet pipe 107.
Through above-mentioned structure, constituted and preheated circulation system, when the user used water, gas heater 100 opened and preheats the circulation function, preheats the circulation this moment to be the hot water that the user needed the temperature in making hot water outlet pipe 102, and then realize that the user boiling water is hot promptly, have the characteristics of zero cold water, and the cold and hot uneven problem of leaving water temperature can not appear.
The present embodiment further provides a control method of the preheating circulation system, as shown in fig. 4, the control method includes the following steps:
and S10, starting the preheating circulation function of the gas water heater.
That is, when the gas water heater 100 is in a standby state, the preheating circulation function of the gas water heater 100 may be turned on, and at this time, the water in the hot water outlet pipe 102 may flow circularly in the water return pipe 105, the water inlet pipe 1, the water outlet pipe 6, and the hot water outlet pipe 102 under the action of the water pump 2.
And then, the water pump 2 is forcibly turned off, the water inflow rate Q is detected through the water flow sensor 4, and if the water inflow rate Q is not less than the set value Q1, the user uses hot water, and at the moment, the gas water heater 100 does not need to be adjusted, can continuously heat gas and can deliver the hot water at constant temperature.
If the inflow water rate Q is less than the set value Q1, the first temperature sensor 3 detects the inflow water temperature T1 of the water in the water inlet pipeline 1 of the gas water heater 100, when the inflow water temperature T1 is less than the set preheating cycle temperature Tx, the water pump 2 is controlled to operate, and when the water flow sensor 4 senses that the inflow water rate Q is not less than the set value Q1, the gas water heater 100 starts gas heating to heat the water.
And S20, heating the water in the water inlet pipeline of the gas water heater by the minimum heat load of gas heating.
When the water starts to be heated in step S10, the water is heated with the minimum heat load (i.e., the minimum power) of the gas heating, and it is determined whether the intelligent heating module 8 is used subsequently.
And S30, when the temperature of the water heated in the water inlet pipeline is higher than the set outlet water temperature Ts, the gas heating is turned off, the intelligent heating module is controlled to be turned on, and the water is heated to the set outlet water temperature Ts.
First, a first outlet water temperature T2 of water heated by gas in the outlet pipe 6 of the gas water heater 100 is detected by the second temperature sensor 7, and when the first outlet water temperature T2 is higher than the set outlet water temperature Ts, that is, the temperature of the water heated by the minimum heat load of gas heating is still high, the gas heating is turned off, the intelligent heating module 8 is turned on, and the intelligent heating module 8 heats the subsequent water. In this embodiment, the first outlet water temperature T2 may also be compared with the sum of the set outlet water temperature Ts and a set constant temperature value K, and when T2 is greater than Ts + K, the gas heating is turned off, and the intelligent heating module 8 is turned on.
After the intelligent heating module 8 is started, the intelligent heating module 8 is controlled to heat at a proper output power value, the second outlet water temperature T3 of the water heated by the intelligent heating module 8 is detected through the third temperature sensor 9, when the second outlet water temperature T3 is equal to the set outlet water temperature Ts and the inlet water temperature T1 is not less than the preheating circulation temperature Tx, it is explained that there is no cold water in the circulation pipeline formed by the whole water return pipe 105, the water inlet pipeline 1, the water outlet pipeline 6 and the hot water outlet pipe 102, at this time, the intelligent heating module 8 and the water pump 2 are closed, the preheating circulation function of the gas water heater 100 is finished, at this time, hot water at the temperature required by the user flows in the hot water outlet pipe 102, and the hot water at the required temperature can be used when the user opens the water outlet valve 104.
In this embodiment, further, in consideration of the heat loss of the hot water outlet pipe 102 and the water return pipe 105, in this embodiment, the inlet water temperature T1 and the sum of the preheating circulation temperature Tx and a set constant temperature value K1 (for compensating for the heat loss) are compared, and when the second outlet water temperature T3 is equal to the set outlet water temperature Ts and the inlet water temperature T1 is not less than the preheating circulation temperature Tx + K1, it indicates that the temperatures of the water in the circulation pipeline all reach the temperature required by the user, and the preheating circulation function of the gas water heater 100 is ended.
Specifically, the power of the intelligent heating module 8 may be adjusted according to different set outlet water temperatures Ts, specifically, the power is adjusted by using a formula W ═ Q × (Ts-T2) described in the first embodiment, that is, the water flow rate Q in the water inlet pipeline 1 is detected by the water flow rate sensor 4, the first outlet water temperature T2 of the water in the water pipeline 6 is detected in real time by the second temperature sensor 7 (at this time, the gas heating is turned off), the power of the intelligent heating module 8 may be calculated according to the set outlet water temperature Ts, and the controller 10 controls the intelligent heating module 8 to heat with the calculated power according to the calculation result.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610090.XA CN109297179B (en) | 2017-07-25 | 2017-07-25 | Electric auxiliary preheating circulation gas water heater, preheating circulation system and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710610090.XA CN109297179B (en) | 2017-07-25 | 2017-07-25 | Electric auxiliary preheating circulation gas water heater, preheating circulation system and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109297179A CN109297179A (en) | 2019-02-01 |
| CN109297179B true CN109297179B (en) | 2022-01-18 |
Family
ID=65167785
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710610090.XA Active CN109297179B (en) | 2017-07-25 | 2017-07-25 | Electric auxiliary preheating circulation gas water heater, preheating circulation system and control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109297179B (en) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110230876B (en) * | 2019-06-18 | 2020-12-25 | 珠海格力电器股份有限公司 | Preheating control method and device for gas water heater, storage medium and electronic device |
| CN112254332B (en) * | 2019-07-22 | 2023-05-09 | 芜湖美的厨卫电器制造有限公司 | Water heater, control method thereof and computer readable storage medium |
| CN110398054B (en) * | 2019-07-30 | 2023-09-05 | 华帝股份有限公司 | Self-adaptive temperature-control zero-cooling water gas water heater and control method thereof |
| CN110530009B (en) * | 2019-08-09 | 2021-10-15 | 广东万家乐燃气具有限公司 | Electric heating auxiliary type gas water heater |
| DE102019128854A1 (en) * | 2019-10-25 | 2021-04-29 | Vaillant Gmbh | Method and device for reducing temperature fluctuations in a system for hot domestic water |
| CN111121302B (en) * | 2019-12-27 | 2021-07-02 | 华帝股份有限公司 | Intelligent pressurization control method for gas water heater |
| CN111396979B (en) * | 2020-03-27 | 2021-07-13 | 广东万家乐燃气具有限公司 | Central hot water system and rapid preheating method thereof |
| CN114111051B (en) * | 2020-08-31 | 2024-01-30 | 芜湖美的厨卫电器制造有限公司 | Heating control method, hot water assembly and computer readable storage medium |
| CN112833550A (en) * | 2020-08-31 | 2021-05-25 | 青岛经济技术开发区海尔热水器有限公司 | Gas water heater and control method thereof |
| CN113154689B (en) * | 2020-12-01 | 2022-11-15 | 重庆海尔热水器有限公司 | Control method of gas water heater and gas water heater |
| CN113551423A (en) * | 2021-06-23 | 2021-10-26 | 重庆海尔热水器有限公司 | Gas water heater control method and gas water heater |
| CN113446727A (en) * | 2021-06-30 | 2021-09-28 | 青岛经济技术开发区海尔热水器有限公司 | Hybrid energy water heater |
| CN113776199A (en) * | 2021-09-26 | 2021-12-10 | 广东万和热能科技有限公司 | Water mixing device control method for water heater, water mixing device and control device |
| CN114183931A (en) * | 2021-12-16 | 2022-03-15 | 珠海格力电器股份有限公司 | Control method and control device of heater |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004029376A1 (en) * | 2004-06-17 | 2006-02-02 | Robert Bosch Gmbh | Heating apparatus with burner and auxiliary electric heater, switches electric heater on at switching threshold |
| CN202613772U (en) * | 2012-04-09 | 2012-12-19 | 青岛经济技术开发区海尔热水器有限公司 | Electric heating constant temperature gas water heater |
| CN103776155A (en) * | 2014-01-23 | 2014-05-07 | 威能(北京)供暖设备有限公司 | Temperature-constant gas water heater |
| CN105299875A (en) * | 2015-09-30 | 2016-02-03 | 威能(无锡)供热设备有限公司 | Gas-fired water heating equipment with pre-heating function |
| 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 |
| CN106766232A (en) * | 2017-03-09 | 2017-05-31 | 成都前锋电子有限责任公司 | A kind of Double energy source water heater system with quick heat water supply functions |
-
2017
- 2017-07-25 CN CN201710610090.XA patent/CN109297179B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004029376A1 (en) * | 2004-06-17 | 2006-02-02 | Robert Bosch Gmbh | Heating apparatus with burner and auxiliary electric heater, switches electric heater on at switching threshold |
| CN202613772U (en) * | 2012-04-09 | 2012-12-19 | 青岛经济技术开发区海尔热水器有限公司 | Electric heating constant temperature gas water heater |
| CN103776155A (en) * | 2014-01-23 | 2014-05-07 | 威能(北京)供暖设备有限公司 | Temperature-constant gas water heater |
| CN105299875A (en) * | 2015-09-30 | 2016-02-03 | 威能(无锡)供热设备有限公司 | Gas-fired water heating equipment with pre-heating function |
| 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 |
| CN106766232A (en) * | 2017-03-09 | 2017-05-31 | 成都前锋电子有限责任公司 | A kind of Double energy source water heater system with quick heat water supply functions |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109297179A (en) | 2019-02-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109297179B (en) | Electric auxiliary preheating circulation gas water heater, preheating circulation system and control method | |
| CN111058220B (en) | A washing machine and its control method | |
| CN109297180A (en) | Intelligent preheating circulation gas water heater, preheating circulation system and control method | |
| CN108088069A (en) | A kind of energy saving gas burning water heater for possessing pre- hot function, heating system and method | |
| US12025322B2 (en) | Integrated recirculation pump for non-condensing water heater | |
| CN110425754B (en) | Circulating preheating and pressurizing control system and control method thereof | |
| CN103322682A (en) | Domestic water circulation system | |
| CN110425753B (en) | Novel circulating preheating and pressurizing control system and control method thereof | |
| CN109611930A (en) | A kind of zero cold water heat supply system of gas heater of wireless remote-control with solenoid valve | |
| CN108088070A (en) | A kind of Intelligent preheating gas heater and its subsystem and implementation method | |
| CN201652814U (en) | Water heater circulation and return device and system | |
| CN114484886B (en) | Zero cold water control method with preheating overtemperature protection and control device thereof | |
| CN208751007U (en) | Central hot water gas water heater and its application system | |
| CN212320058U (en) | Water heater | |
| CN209459196U (en) | Gas water heater | |
| CN108344032A (en) | One kind being used for domestic hot water's coolant controlled intelligent domestic system | |
| CN210861700U (en) | Zero-cold-water wall-mounted gas furnace system | |
| TWI700467B (en) | Water preheating system and water preheating mothod | |
| CN103591636B (en) | Double-water-tank heat exchange water supply system and control method thereof | |
| CN110470056A (en) | Water-heater system and control method | |
| CN201628366U (en) | Gas water heater with a built-in circulation pump | |
| CN217604207U (en) | External heating device suitable for water heater and heating system thereof | |
| CN203657066U (en) | Double water tank heat exchange water supply system | |
| CN211290575U (en) | External control module of gas water heater and gas water heater system thereof | |
| CN107702347A (en) | Intelligent thermoregulating electric heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |