CN110513862A - Tandem gas water heater, tandem system, pressurization method and preheating method - Google Patents
Tandem gas water heater, tandem system, pressurization method and preheating method Download PDFInfo
- Publication number
- CN110513862A CN110513862A CN201910770768.XA CN201910770768A CN110513862A CN 110513862 A CN110513862 A CN 110513862A CN 201910770768 A CN201910770768 A CN 201910770768A CN 110513862 A CN110513862 A CN 110513862A
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- gas heater
- water
- tandem
- heater
- water flow
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 164
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000010438 heat treatment Methods 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 163
- 238000001514 detection method Methods 0.000 claims description 12
- 239000000567 combustion gas Substances 0.000 claims description 8
- 239000008399 tap water Substances 0.000 abstract description 6
- 235000020679 tap water Nutrition 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000004087 circulation Effects 0.000 description 4
- 230000001839 systemic circulation Effects 0.000 description 2
- 206010053615 Thermal burn Diseases 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000008400 supply water 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
- F24H1/12—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 in which the water is kept separate from the heating medium
- F24H1/14—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
- F24H1/145—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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form 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
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1836—Arrangement or mounting of combustion heating means, e.g. grates or burners 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
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- 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)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
The invention discloses a serial gas water heater system which is used for being connected with a first-stage gas water heater in series. The invention also discloses a series system of the gas water heater, a pressurization method and a preheating method. The water outlet connector of the first-stage gas water heater is connected with the water inlet connector of the serial gas water heater, and the cold water pipe is provided with a backwater bypass pipe which is connected with the backwater connector of the serial gas water heater. In a common shower mode, tap water flows into the series gas water heater after flowing through the first-stage gas water heater, so that two-stage heating is realized, and the outlet water temperature is increased.
Description
Technical field
The invention belongs to gas heater technical fields, and in particular to a kind of tandem gas heater, train, increasing
Pressure method and pre-heating mean.
Background technique
Popular big flow combustion gas hydrophone currently on the market, because it can satisfy the biggish demand of user's water consumption, especially
With the improvement of living standards, the case where there are two even three shower rooms in average family is very universal, in this case
Big flow combustion gas hydrophone can preferably improve the convenience and comfort of user, but big flow combustion gas hydrophone the problem is that
Device structure is complicated, and price is higher.
To solve the above-mentioned problems, the side of more big yield is realized by water heater two in parallel or more in the prior art
Case, but by more water heater parallel connections, there are more technical problems.Such as: using water route installation in parallel, when pressure of supply water is too low,
Parallel shunt water cannot be switched on lower than booting flow (generally 2.5L/min)；Parallel connection between adjacent gas heater
Water route forms partial circulating, can not achieve systemic circulation, cannot preheat to hot-water line water.
Summary of the invention
In order to solve the problems, such as it is above-mentioned at least one, the present invention provides a kind of tandem gas heater, by by multiple combustions
The series connection of gas water heater, can satisfy the demand of different user difference water consumption；Also, it can be mentioned after more gas heater series connection
For the hot water of big flow.
It is a further object of the present invention to provide a kind of gas heater trains.
It is a further object of the present invention to provide a kind of boosting methods of gas heater train.
It is a further object of the present invention to provide a kind of pre-heating means of gas heater train.
The technical scheme adopted by the invention is that
A kind of tandem gas heater is used to be used in series with level-one gas heater comprising gas heater
Ontology, heat exchanger, water main, return water bypass pipe, controller, water flow amount detection unit, inflow temperature detection unit and circulation
Pump, the heat exchanger are arranged in gas heater ontology, and the water main passes through heat exchanger, the return water bypass pipe and main water
Pipe connection, the water flow amount detection unit, inflow temperature detection unit and circulating pump be arranged on water main and with control
Device connection processed.
A kind of gas heater train comprising level-one gas heater, above-mentioned tandem gas heater, string
Join component and be sequentially connected in series and connect afterwards with water end (W.E.) with water end (W.E.), the level-one gas heater and tandem gas heater,
The series component is arranged in tandem gas heater.
Preferably, the tandem gas heater is set to level-one gas heater rear.
Preferably, the level-one gas heater includes a plain edition gas heater.
Preferably, the plain edition gas heater includes gas water-heater housing, heat exchanger, main water pipeline, water flow
Amount detector and control unit, the heat exchanger are arranged in gas water-heater housing, and the main water pipeline passes through heat and hands over
Parallel operation setting, the water flow amount detector is arranged on main water pipeline and itself and the control list that is arranged in gas water-heater housing
Member connection.
Preferably, the series component includes electromagnet cut off valve.
Preferably, the series component includes check valve and shut-off valve, and the conducting direction and circulation of the check valve
Return water flow direction is consistent.
Preferably, the electromagnet cut off valve normality is in off state.
A kind of boosting method of gas heater train applies above-mentioned tandem gas heater system, tool
Body is implemented in accordance with the following steps:
S1 starts the function of increasing pressure of tandem gas heater in the state that series component is closed；
S2, tandem gas heater, which is in, is pressurized hot standby mode；
S3 acquires the real-time water flow of level-one gas heater；
S4, when the real-time water flow is greater than preset booting water flow, the booting igniting of tandem gas heater, into
Enter boost mode；Otherwise tandem gas heater, which is in, is pressurized hot standby mode；
S5 acquires the real-time water flow of tandem gas heater；
S6, when the real-time water in the S5 is less than preset shutdown water flow, complete function of increasing pressure；Otherwise continue
Real-time traffic is detected until it is less than preset shutdown water flow.
A kind of pre-heating mean of gas heater train applies above-mentioned tandem gas heater system, tool
Body is implemented in accordance with the following steps:
S11 starts the pre- heat function of tandem gas heater in the state that series component is closed；
S12 opens series component；
S13, the circulating water flow after acquiring level-one gas heater and the series connection of tandem gas heater；
S14, when the circulating water flow is greater than preset booting water flow, tandem gas heater enters pre- hot-die
Formula closes series component after the completion of preheating；Otherwise continue to acquire circulating water flow.
Compared with prior art, the present invention by the water outlet connector of level-one gas heater and tandem gas heater into
Water swivel connects, and setting return water bypass pipe is connect with the backwater joint of tandem gas heater on cold water pipe.Commonly taking a shower
Mode, series component are in close state, and tap water flows into tandem gas heater after flowing through level-one gas heater again, real
Existing two-step heating, improves leaving water temperature；In addition, pump operation is increased after the function of increasing pressure of unlatching tandem gas heater
Pressure overcomes pipeline water resistance, increases water flow, realizes big flow high temperature rise.
Detailed description of the invention
Fig. 1 is that the embodiment of the present invention 1 provides a kind of structural schematic diagram of tandem gas heater；
Fig. 2 is that the embodiment of the present invention 2 provides a kind of structural schematic diagram of gas heater train；
Fig. 3 is that the embodiment of the present invention 2 provides a kind of another structural schematic diagram of gas heater train；
Fig. 4 is that the embodiment of the present invention 2 provides a kind of structure of tandem gas heater in gas heater train
Schematic diagram；
Fig. 5 is that the embodiment of the present invention 2 provides the structure of level-one gas heater in gas heater train a kind of and shows
It is intended to；
Fig. 6 is a kind of flow chart for the boosting method that the embodiment of the present invention 3 provides gas heater train；
Fig. 7 is a kind of flow chart for the pre-heating mean that the embodiment of the present invention 4 provides gas heater train.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Embodiment 1
The embodiment of the present invention 1 provides a kind of tandem gas heater, as shown in Figure 1, it is used for and level-one gas and hot water
Device is used in series, including gas heater ontology 211, heat exchanger 212, water main 213, return water bypass pipe 214, controller 215,
Water flow amount detection unit 216, inflow temperature detection unit 217 and circulating pump 218, the setting of heat exchanger 212 is in combustion gas heat
In hydrophone ontology 211, the water main 213 passes through heat exchanger 212, and the return water bypass pipe 214 is connect with water main 213, institute
State water flow amount detection unit 216, inflow temperature detection unit 217 and circulating pump 218 be arranged on water main 213 and with
Controller 215 connects.
In this way, using the above structure, by by tandem gas heater and and gas heater connect, can satisfy
The demand of different user difference water consumption；Also, the hot water of big flow can be provided after more gas heater series connection.
In addition, the quantity of tandem gas heater can also be set according to actual needs, if it is more with water spot and
It needs to open simultaneously, then some tandem gas heaters can correspondingly be arranged more.
Embodiment 2
The embodiment of the present invention 2 provides a kind of gas heater train, as Figure 2-3 comprising level-one combustion gas heat
Hydrophone 1, the tandem gas heater 2 of embodiment 1, series component 3 and with water end (W.E.) 4, in which:
The level-one gas heater 1 and tandem gas heater 2 are connect after being sequentially connected in series with water end (W.E.) 4, the string
Join component 3 to be arranged in tandem gas heater 2；
In this way, using the above structure, by the water outlet connector of level-one gas heater 1 and tandem gas heater 2 into
Water swivel connects, and setting return water bypass pipe is connect with the backwater joint of tandem gas heater 2 on cold water pipe.Commonly taking a shower
Mode, series component 3 are in close state, and tap water flows into tandem gas heater after flowing through level-one gas heater 1 again
2, it realizes two-step heating, improves leaving water temperature；In addition, after the function of increasing pressure of unlatching tandem gas heater 2, circulating pump operating
It is pressurized, overcomes pipeline water resistance, increase water flow, realize big flow high temperature rise.
The level-one gas heater 1 includes a plain edition gas heater 11.
As shown in figure 5, the plain edition gas heater 11 includes gas water-heater housing 111, heat exchanger 112, master
Waterpipe 113, water flow amount detector 114 and control unit 115, the heat exchanger 112 are arranged in gas water-heater housing
In 111, the main water pipeline 113 is arranged across heat exchanger 112, and the water flow amount detector 114 is arranged in main water pipeline 113
Above and it connect with the control unit 115 being arranged in gas water-heater housing 111.
Fig. 2 is structural schematic diagram when tandem gas heater 2 is arranged one；
Fig. 3 is structural schematic diagram when tandem gas heater 2 is arranged two.
And, it is notable that tandem gas heater 2 needs to go here and there mounted in the rear of level-one gas heater 1
Connection formula gas heater 2 is closer to water end (W.E.) 4；If being arranged tandem gas heater 2 before level-one gas heater 1
Side, then can be when 2 zero cold water of tandem gas heater (front) be recycled and is preheated, and circular flow is smaller (about 4L/min), series connection
After 2 hot water of formula gas heater flows into level-one gas heater 1, it is repeated heating, generates high-temperature-hot-water, is easy scald user.
As shown in Figure 1, the series component 3 includes electromagnet cut off valve 31；
In this way, return water bypass pipe 214 is arranged between circulating pump 218 and water supply connector, the return water bypass pipe 214 is logical
Backwater joint is crossed to connect with the outer return pipe of machine.The electromagnet cut off valve 31 is arranged on return water bypass pipe 214, in gas heater
Standby or shower operating status, electromagnet cut off valve 31 are in closed state, and in preheating operation state, electromagnet cut off valve 31 is in
On state.
It is on state after energization in addition, being closed state when 31 no power of electromagnet cut off valve.
As a further illustration of the above scheme, the electromagnet cut off valve 31 has the function of two-way stop, when closure, is hindered
Only both ends water route intercommunication can prevent tap water from flowing directly into water return pipeline.
In addition, as shown in figure 4, the structure of series component 3 may be: the series component 3 includes check valve 32 and cuts
Only valve 33, and the conducting direction of the check valve 32 and circulating backwater flow direction are consistent；
In this way, above-mentioned electromagnet cut off valve 31 is replaced with the combination of check valve 32 and shut-off valve 33, check valve 32 and cut-off
The reliability of valve 33 is higher, price is lower.
The water outlet connector of level-one gas heater is connect by the present embodiment with the water supply connector of tandem gas heater, cold
Return water bypass pipe is arranged on water pipe to connect with the backwater joint of tandem gas heater.In common shower pattern, series component
It is in close state, tap water flows into tandem gas heater after flowing through level-one gas heater again, realizes two-step heating, mentions
High leaving water temperature；In addition, pump operation is pressurized, and pipeline water is overcome after the function of increasing pressure of unlatching tandem gas heater
Resistance increases water flow, realizes big flow high temperature rise.
Embodiment 3
The embodiment of the present invention 3 provides the boosting method of gas heater train, as shown in fig. 6, its Application Example 2
The gas heater train is specifically implemented in accordance with the following steps:
S1 starts the function of increasing pressure of tandem gas heater 2 in the state that series component 3 is closed；
S2, tandem gas heater 2, which is in, is pressurized hot standby mode；
S3 acquires the real-time water flow of level-one gas heater 1；
S4, when the real-time water flow is greater than preset booting water flow, the booting igniting of tandem gas heater 2,
Into boost mode；Otherwise tandem gas heater 2 is in the hot standby mode of pressurization；
S5 acquires the real-time water flow of tandem gas heater 2；
S6, when the real-time water in the S5 is less than preset shutdown water flow, complete function of increasing pressure；Otherwise continue
Real-time traffic is detected until it is less than preset shutdown water flow.
The present embodiment is by connecting the water supply connector of the water outlet connector of level-one gas heater and tandem gas heater
It connects, return water bypass pipe is set on cold water pipe and is connect with the backwater joint of tandem gas heater.In common shower pattern, return water
The electromagnet cut off valve of bypass pipe is in close state, and tap water flows into tandem gas and hot water after flowing through level-one gas heater again
Device realizes two-step heating, improves leaving water temperature；In addition, after the function of increasing pressure of unlatching tandem gas heater, circulating pump operating
It is pressurized, overcomes pipeline water resistance, increase water flow, realize big flow high temperature rise；If two water heaters are connected merely,
It will lead to the increase of pipeline water resistance, water flow becomes smaller, therefore concatenated tandem gas heater need to be provided with circulating pump realization
Function of increasing pressure.
Embodiment 4
The embodiment of the present invention 4 provides a kind of pre-heating mean of gas heater train, as shown in fig. 7, its application is real
Gas heater train described in example 2 is applied, is specifically implemented in accordance with the following steps:
S11 starts the pre- heat function of tandem gas heater 2 in the state that series component 3 is closed；
S12 opens series component 3；
S13, the circulating water flow after acquiring level-one gas heater 1 and the series connection of tandem gas heater 2；
S14, when the circulating water flow is greater than preset booting water flow, tandem gas heater 2 enters preheating
Mode closes series component 3 after the completion of preheating；Otherwise continue to acquire circulating water flow.
The pre- heat function that tandem gas heater is opened in the present embodiment, opens the electromagnet cut off valve of return water bypass pipe,
Water pump circulation is opened, cold water pipe water flows into tandem gas heater under water pump suction, flows into hot water after heating again
Pipe realizes systemic circulation preheating.Since level-one gas heater is there are the larger resistance of ducting, circulating backwater branches to level-one combustion gas heat
The water shortage of hydrophone is so that the gas heater starts, therefore its igniting that will not be switched on.If merely two water heater strings
Connection, when tandem gas heater circulation preheats, level-one gas heater has recirculated water to flow through, and igniting booting generates hot water, stream
It to tandem gas heater, measures return water temperature and reaches program preheating temperature, that is, close pump and exit preheating, preheating is caused not filled
Point, if this can be solved the problems, such as by manually going to turn off old machine, but this will lead to problem inconvenient for operation again.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with scope of protection of the claims
Subject to.
Claims (10)
1. a kind of tandem gas heater, which is characterized in that it is used to be used in series with level-one gas heater comprising combustion
Gas water heater body (211), heat exchanger (212), water main (213), return water bypass pipe (214), controller (215), water flow
Detection unit (216), inflow temperature detection unit (217) and circulating pump (218), the heat exchanger (212) are arranged in combustion gas
In water heater body (211), the water main (213) passes through heat exchanger (212), the return water bypass pipe (214) and water main
(213) it connects, the water flow amount detection unit (216), inflow temperature detection unit (217) and circulating pump (218) are respectively provided with
It is connect on water main (213) and with controller (215).
2. a kind of gas heater train, which is characterized in that it includes tandem gas heater described in claim 1
(2), level-one gas heater (1), series component (3) and with water end (W.E.) (4), the level-one gas heater (1) and tandem
It is connect after gas heater (2) series connection with water end (W.E.) (4), the series component (3) is arranged in tandem gas heater (2)
It is interior.
3. a kind of gas heater train according to claim 2, which is characterized in that the tandem gas and hot water
Device (2) is set to level-one gas heater (1) rear.
4. a kind of gas heater train according to claim 3, which is characterized in that the level-one gas heater
It (1) include a plain edition gas heater (11).
5. a kind of gas heater train according to claim 4, which is characterized in that the plain edition gas and hot water
Device (11) include gas water-heater housing (111), heat exchanger (112), main water pipeline (113), water flow amount detector (114) with
And control unit (115), heat exchanger (112) setting is in gas water-heater housing (111), the main water pipeline
(113) heat exchanger (112) are passed through to be arranged, the water flow amount detector (114) be arranged on main water pipeline (113) and its with set
Set control unit (115) connection in gas water-heater housing (111).
6. according to a kind of described in any item gas heater trains of claim 2-5, which is characterized in that the series connection group
Part (3) includes electromagnet cut off valve (31).
7. according to a kind of described in any item gas heater trains of claim 2-5, which is characterized in that the series connection group
Part (3) includes check valve (32) and shut-off valve (33), and the conducting direction of the check valve (32) and circulating backwater flow to one
It causes.
8. a kind of tandem gas heater system according to claim 6, which is characterized in that the electromagnet cut off valve
(31) normality is in off state.
9. a kind of boosting method of gas heater train, which is characterized in that it is using described in any one of claim 2-8
Gas heater train, specifically in accordance with the following steps implement:
S1 starts the function of increasing pressure of tandem gas heater (2) in the state that series component (3) are closed；
S2, tandem gas heater (2), which is in, is pressurized hot standby mode；
S3 acquires the real-time water flow of level-one gas heater (1)；
S4, when the real-time water flow is greater than preset booting water flow, tandem gas heater (2) booting igniting, into
Enter boost mode；Otherwise tandem gas heater (2), which is in, is pressurized hot standby mode；
S5 acquires the real-time water flow of tandem gas heater (2)；
S6 completes function of increasing pressure when the real-time water in the S5 is less than preset shutdown water flow；Otherwise continue to test reality
Shi Liuliang is until it is less than preset shutdown water flow.
10. a kind of pre-heating mean of gas heater train, which is characterized in that it is using any one of claim 2-8 institute
The tandem gas heater system stated specifically is implemented in accordance with the following steps:
S11 starts the pre- heat function of tandem gas heater (2) in the state that series component (3) are closed；
S12 is opened series component (3)；
S13, the circulating water flow after acquiring level-one gas heater (1) and tandem gas heater (2) series connection；
S14, when the circulating water flow is greater than preset booting water flow, tandem gas heater (2) enters pre- hot-die
Formula closes series component (3) after the completion of preheating；Otherwise continue to acquire circulating water flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770768.XA CN110513862B (en) | 2019-08-20 | 2019-08-20 | Series-type gas water heater, series-type system, pressurizing method and preheating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910770768.XA CN110513862B (en) | 2019-08-20 | 2019-08-20 | Series-type gas water heater, series-type system, pressurizing method and preheating method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110513862A true CN110513862A (en) | 2019-11-29 |
| CN110513862B CN110513862B (en) | 2024-04-12 |
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ID=68626848
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910770768.XA Active CN110513862B (en) | 2019-08-20 | 2019-08-20 | Series-type gas water heater, series-type system, pressurizing method and preheating method |
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| CN (1) | CN110513862B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998539A (en) * | 2020-07-24 | 2020-11-27 | 华帝股份有限公司 | Control method for intelligent preheating of zero-cold-water gas water heater |
| CN113418303A (en) * | 2021-02-06 | 2021-09-21 | 佛山市东原热能科技有限公司 | Intelligent heating device for gas water heater and heating method thereof |
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| CN211177399U (en) * | 2019-08-20 | 2020-08-04 | 华帝股份有限公司 | Series-type gas water heater and series system applying same |
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2019
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5553657A (en) * | 1978-10-18 | 1980-04-19 | Sakagami Ichiro | Apparatus for automatically controlling temperature of supply hot water |
| CN103411300A (en) * | 2013-07-12 | 2013-11-27 | 无锡拓利普科技有限公司 | Vertical series-type multistage-heating water heater |
| 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 |
| US20180340710A1 (en) * | 2017-05-25 | 2018-11-29 | Paloma Co., Ltd | Water heater |
| CN109539542A (en) * | 2018-10-22 | 2019-03-29 | 广东万家乐燃气具有限公司 | A kind of dual system gas heater |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111998539A (en) * | 2020-07-24 | 2020-11-27 | 华帝股份有限公司 | Control method for intelligent preheating of zero-cold-water gas water heater |
| CN111998539B (en) * | 2020-07-24 | 2023-12-15 | 华帝股份有限公司 | Control method for intelligent preheating of zero-cooling water gas water heater |
| CN113418303A (en) * | 2021-02-06 | 2021-09-21 | 佛山市东原热能科技有限公司 | Intelligent heating device for gas water heater and heating method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110513862B (en) | 2024-04-12 |
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