CN107806709A - A kind of water heater and its type water temperature adjustment method - Google Patents
A kind of water heater and its type water temperature adjustment method Download PDFInfo
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- CN107806709A CN107806709A CN201711158625.0A CN201711158625A CN107806709A CN 107806709 A CN107806709 A CN 107806709A CN 201711158625 A CN201711158625 A CN 201711158625A CN 107806709 A CN107806709 A CN 107806709A
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- 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
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- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control For Baths (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
The invention discloses a kind of water heater, it includes the cold water water intaking valve that controller, mixed water tank, control hot water enter the hot water water intaking valve of the mixed water tank and control cold water enters the mixed water tank, the controller is used to be controlled the hot water water intaking valve and cold water water intaking valve, so as to adjust the water temperature in the mixed water tank.The advantages of water heater Consumer's Experience of the present invention is good.Present invention also offers a kind of type water temperature adjustment method of water heater.
Description
Technical field
The present invention relates to field of water heaters, more particularly to a kind of water heater and its type water temperature adjustment method.
Background technology
Hot water used in the field such as home-use water heater or hotel, hotel, public bathhouse at this stage, all it is by one mostly
Individual three-way valve directly uses after being mixed high-temperature-hot-water and cold water.Lower water temperature only by artificial controlling opening of valve more
Change the mixed proportion of hot water and cold water to realize, and perceive whether water temperature properly uses.The method using it is upper really it is simple and convenient,
But there is also water temperature, hydraulic pressure is unstable the problem of.Also do not reminded in addition, when hot water is finished, many times bathing
Just there is no hot water suddenly in journey, Consumer's Experience is bad.
The content of the invention
The purpose of the present invention be in view of the above-mentioned drawbacks of the prior art, provide a kind of good water heater of Consumer's Experience and
Its type water temperature adjustment method.
In the embodiment of the present invention, there is provided a kind of water heater, it includes controller, mixed water tank, controlled described in hot water entrance
The hot water water intaking valve and control cold water of mixed water tank enter the cold water water intaking valve of the mixed water tank, and the controller is used for the heat
Water water intaking valve and cold water water intaking valve are controlled, so as to adjust the water temperature in the mixed water tank.
In the embodiment of the present invention, the water heater also includes being used to store the boiler of hot water and for storing the cold of cold water
Water tank, the boiler are also connected by the hot water water intaking valve with the mixed water tank, and the cold water storage cistern is also by described cold
Water water intaking valve is connected with the mixed water tank.
In the embodiment of the present invention, the temperature inductor for detecting water temperature is provided with the mixed water tank.
In the embodiment of the present invention, the liquid-level switch for detecting hot water water level is provided with the mixed water tank.
In the embodiment of the present invention, the mixed water tank is also connected by hot water backwater's valve with the boiler, when described mixed
Water in Water Tanks temperature is too low, and when being in high water level, the controller drives hot water backwater's valve and the hot water water intaking valve
Open, the hot water in the boiler is added into the mixed water tank, the low-temperature water heating in mixed water tank is drained into boiler, carry out
Circulation heating.
In the embodiment of the present invention, the mixed water tank is also connected by cold-water return valve with the cold water storage cistern, when described mixed
Water in Water Tanks temperature is too high, and when being in high water level, the controller drives the cold-water return valve and the cold water water intaking valve
Open, the cold water in the cold water storage cistern is added into the mixed water tank, the high-temperature-hot-water in mixed water tank is drained into cold water storage cistern, carry out
Circulation temperature lowering.
In the embodiment of the present invention, the water heater also includes the display panel being connected with the controller, for showing
Water level in water temperature and the mixed water tank that current water temperature, user in the mixed water tank are set.
In the embodiment of the present invention, the water heater also includes human body sensing device and the bathing water outlet being connected with mixed water tank
Valve, the human body sensing device be used to judge below the bathing outlet valve in certain limit whether someone, the controller root
Control whether the bathing outlet valve is opened according to the induced signal of the human body sensing device.
In the embodiment of the present invention, additionally provide a kind of type water temperature adjustment method of water heater, respectively by hot water water intaking valve and
Cold water water intaking valve controls cold water and hot water to enter mixed water tank, the current water temperature in the target water temperature and mixed water tank that are set according to user
Hot water water intaking valve and cold water water intaking valve are adjusted, so as to adjust the water temperature in mixed water tank.
It is further mixed water by the boiler being connected with hot water water intaking valve in methods described in the embodiment of the present invention
Case provides hot water, provides cold water by the cold water storage cistern being connected with cold water water intaking valve for mixed water tank, mixed water tank passes through hot water backwater
Valve is connected with boiler, and mixed water tank is connected by cold-water return valve with cold water storage cistern.
In the embodiment of the present invention, the target water temperature that user's setting is more than when the current water temperature of boiler is inclined plus temperature adjustment
When poor（Tnow ＞ Tyuyue+ △ T）, first judge whether mixed water tank is in high water level, if being not at high water level, open cold water and enter
Water valve supplements cold water, until Tnow≤Tyuyue+ △ T, just closes cold water water intaking valve；If being in high water level, open simultaneously cold
Water water intaking valve and cold-water return valve carry out circulation temperature lowering, until Tnow≤Tyuyue+ △ T, just close cold water water intaking valve and cold water
Back-water valve (BWV).
In the embodiment of the present invention, when the current water temperature of boiler is less than the target water temperature that user sets, to subtract temperature adjustment inclined
When poor（Tnow ＜ Tyuyue-△ T）, first judge whether mixed water tank is in high water level.If being not at high water level, hot water is opened
Water intaking valve supplements hot water, until Tnow >=Tyuyue-△ T, just closes hot water water intaking valve；If being in high water level, hot water is opened
Water intaking valve and hot water backwater's valve carry out circulation heating, until Tnow >=Tyuyue-△ T, just close hot water water intaking valve and hot water returns
Water valve.
In the embodiment of the present invention, the target water temperature that user's setting is less than when the current water temperature of boiler is inclined plus temperature adjustment
Difference and more than in user set target water temperature subtract temperature adjustment deviation when (Tyuyue-△ T≤Tnow≤Tyuyue+ △
T), lower water temperature is completed.
In the embodiment of the present invention, during the use of water heater, when low water level occurs in mixed water tank, water heater sends report
Alert signal, reminds user to terminate to use as early as possible.
Compared with prior art, using the water heater and its temperature control method of the present invention, it is different from and commonly uses at this stage
Three-way valve Mechanical course, by the control to hot water water intaking valve, cold water water intaking valve, hot water backwater's valve and cold-water return valve,
The water temperature of mixed water tank can be accurately controlled, so as to ensure water heater hot water effluent's temperature stabilization in use；It is in addition, logical
Cross liquid-level switch and detect hot water storage in real time, can also remind user's hot water whether enough in time, reaching improves Consumer's Experience
Effect.
Brief description of the drawings
Fig. 1 is the structural representation of water heater provided in an embodiment of the present invention；
Fig. 2 is the interface schematic diagram of the display panel of water heater provided in an embodiment of the present invention；
Fig. 3 is the flow chart of water heater temperature's adjusting method provided in an embodiment of the present invention.
Embodiment
As shown in Figure 1, there is provided in the embodiment of the present invention, there is provided a kind of water heater, it includes boiler 1, cold water storage cistern
2nd, mixed water tank 3 and controller（It is not shown）, boiler 1 and cold water storage cistern 2 respectively by hot water water intaking valve 4 and cold water water intaking valve 5 with
Mixed water tank 3 connects.The temperature inductor for detecting water temperature is provided with mixed water tank 3（It is not shown）With for detecting hot water water level
Liquid-level switch（It is not shown）.Hot water water intaking valve 4 is used to add high-temperature-hot-water into mixed water tank 3.When mixed water tank 3 requires supplementation with heat
When water or raising water temperature, hot water water intaking valve 4 is opened；Conversely, hot water water intaking valve 4 is closed.Cold water water intaking valve 5 is used for mixed water tank 3
Middle addition cold water, when mixed water tank 3 requires supplementation with cold water or reduces water temperature, cold water water intaking valve 5 is opened；Conversely, cold water water intaking valve 5
Close.The controller is used to be controlled hot water water intaking valve 4 and cold water water intaking valve 5, so as to adjust the water in mixed water tank 3
Temperature.
Boiler 1 is connected by hot water water compensating valve 6 with thermal water source.Cold water storage cistern 2 passes through cold water water compensating valve 7 and cold water source phase
Connection.Thermal water source can come from the high-temperature-hot-water of the equipment such as boiler, heat pump, gas heater offer.Hot water temperature can be 50
DEG C -- between 100 DEG C.Cold water source can come from the cold water that underground water, running water etc. meet routine use standard.Cold water temperature can
With at 0 DEG C -- between 35 DEG C.Hot water water compensating valve 6 is used to control the hot water storage in boiler 1.When hot water is in boiler 1
During low water level, the controller control hot water water compensating valve 6 is opened, and starts to supplement hot water into boiler 1.When hot in boiler 1
When water is in high water level, the controller control hot water water compensating valve 6 is closed, and stops supplementing hot water into boiler 1.Cold water moisturizing
Valve 7 is used to control the cold water storage in cold water storage cistern 2.When cold water is in low water level in cold water storage cistern 2, the controller controls cold water
Water compensating valve 7 is opened, and starts to supplement cold water into cold water storage cistern 2.When cold water is in high water level in cold water storage cistern 2, the controller control
Chilled water water compensating valve 7 is closed, and stops supplementing cold water into cold water storage cistern 2.
Mixed water tank 3 is also connected by hot water backwater's valve 8 with boiler 1, when water temperature is too low in mixed water tank 3, and is in
During high water level, the controller opens hot water backwater's valve 8 and hot water water intaking valve 4, and the hot water in boiler 1 is added into mixed water
Case 3, the low-temperature water heating in mixed water tank 3 is drained into boiler 1, carries out circulation heating.Mixed water tank 3 also passes through cold-water return valve 9
It is connected with cold water storage cistern 2, when water temperature over-high in mixed water tank 3, and when being in high water level, the controller is by cold-water return valve 9
Opened with the cold water water intaking valve, the cold water in cold water storage cistern 2 is added into mixed water tank 3, the high-temperature-hot-water in mixed water tank 3 is discharged into
To cold water storage cistern 2, circulation heating is carried out.
The water heater also includes human body sensing device（It is not shown）The bathing outlet valve 10 being connected with mixed water tank 3,
The human body sensing device be used to judging in the lower section certain limit of bathing outlet valve 10 whether someone, the controller according to
The induced signal of the human body sensing device controls whether the bathing outlet valve 10 is opened.
Further, as shown in Fig. 2 the water heater also includes the display panel being connected with the controller, it is used for
Show the water level in water temperature and mixed water tank 3 that the water temperature in mixed water tank 3, user are set.Gao Shui is provided with the display panel
Position indicator lamp, low water level indicator lamp, temperature indicator and touch display screen.The concrete function of the display panel is as follows：
When the water level of mixed water tank 3 is in high water level, high water level indicator lamp flicker, low water level indicator lamp often goes out.When the water level of mixed water tank 3
During in low water level, low water level indicator lamp flicker, high water level indicator lamp often goes out.When cistern water level is in intermediateness, neither it is high
Warm water position, nor during low water level, high water level indicator lamp often goes out, low water level indicator lamp often goes out.When the current water temperature of mixed water tank 3 is equal in advance
About water temperature when, temperature indicator flicker.When the current water temperature of mixed water tank 3 is higher than reservation water temperature, temperature indicator Chang Liang.When mixed water
When the current water temperature of case 3 is less than reservation water temperature, temperature indicator often goes out.The current water temperature of mixed water tank 3 can directly be seen by display panel
Survey.Reservation water temperature can carry out setting change by display panel.When needing to begin to use hot water, by " beginning "；When needs stop
When only using hot water, by " stopping ".
The display panel according to the design needs, may be mounted in mixed water tank 3, also can be individually attached wall indoors
On.
As shown in figure 3, the workflow of the hot water machine is as follows：
Step S1：System is upper for the first time electric, controls all valves to be closed.Read and show the current water temperature of mixed water tank 3, show
Show 45 DEG C of reservation water temperature default value.Certainly, user can change setting reservation water temperature at any time.
Step S2：Detect and adjust boiler 1, cold water storage cistern 2, the water level conditions of mixed water tank 3.If boiler 1 is in Gao Shui
Position, then hot water water compensating valve 6 is kept to close；If boiler 1 is in low water level, opens hot water water compensating valve 6 and carry out moisturizing；Work as water level
It is non-high nor low, then keep current state.Similarly, if cold water storage cistern 2 is in high water level, cold water water compensating valve 7 is kept to close；It is if cold
Water tank 2 is in low water level, then opens cold water water compensating valve 7 and carry out moisturizing；When water level is non-high nor low, then current state is kept.Appoint
The meaning moment all needs the water level of detection boiler 1 and cold water storage cistern 2 in real time, and adjusts supplement in real time according to actual conditions.The water of mixed water tank 3
Position is handled according to step 3.If mixed water tank 3 is in low water level, opens and open hot water water intaking valve 4 and cold water water intaking valve 5 simultaneously, enter
Row moisturizing, after mixed water tank 3 is in non-low water level 10 minutes or there is high water level prompting, close hot water water intaking valve 4 and cold water
Water intaking valve 5.
Step S3：The current water temperature T now of mixed water tank 3 is read, and compared with the reservation water temperature T yuyue of setting, starts to mix
The lower water temperature of water tank 3.
Step S4：When the target water temperature that the current water temperature of boiler 1 is more than user's setting adds temperature adjustment deviation
（Tnow ＞ Tyuyue+ △ T）, first judge whether mixed water tank 3 is in high water level, if being not at high water level, open cold water water inlet
Valve 5 supplements cold water, until Tnow≤Tyuyue+ △ T, just closes cold water water intaking valve 5；If being in high water level, open simultaneously cold
Water water intaking valve 5 and cold-water return valve 9 carry out circulation temperature lowering, until Tnow≤Tyuyue+ △ T, just closing cold water water intaking valve 5 and cold
Water back-water valve (BWV) 9.
Step S5：When the target water temperature that the current water temperature of boiler 1 is less than user's setting subtracts temperature adjustment deviation
（Tnow ＜ Tyuyue-△ T）, first judge whether mixed water tank 3 is in high water level.If being not at high water level, hot water water inlet is opened
Valve 4 supplements hot water, until Tnow >=Tyuyue-△ T, just closes hot water water intaking valve 4；If being in high water level, open hot water and enter
Water valve 4 and hot water backwater's valve 8 carry out circulation heating, until Tnow >=Tyuyue-△ T, just close hot water water intaking valve 4 and hot water
Back-water valve (BWV) 8.
Step S6：When the lower water temperature of mixed water tank 3 is to proper range, that is, meet Tyuyue-1≤Tnow≤Tyuyue+1
When, water temperature reservation finishes.Now user is waited to choose whether to begin to use hot water.
Step S7：When low water level occurs to the water heater in mixed water tank 3 in use, the low water level of mixed water tank 3 refers to
Show that lamp flashes, remind user to terminate this use as early as possible.It is noted that in design process, it need to ensure low-water alarm occur
When, hot water at least can also normal use 15 minutes, so that user has enough time to terminate this use as early as possible.When mixed water tank 3 is low
After water-level alarm persistently occurs more than 15 minutes, start to supplement hot water and cold water into mixed water tank 3 according to step S2, further according to step
The water temperature of rapid S3-S6 regulations mixed water tank 3.
If user selects, bathing is completed or midway selection is stopped using, and " stopping " button is pressed in display panel,
Now close bathing outlet valve 10.When system is in holding state, i.e., unmanned use state is then continuous according to step S3-S6
Regulation mixed water tank 3 water temperature, wait user use.
In summary, using the water heater and its temperature control method of the present invention, using being different from conventional at this stage three
Port valve door Mechanical course, pass through the control to hot water water intaking valve, cold water water intaking valve, hot water backwater's valve and cold-water return valve, you can
The water temperature of mixed water tank is accurately controlled, so as to ensure water heater hot water effluent's temperature stabilization in use, in addition, passing through liquid
Whether bit switch detects hot water storage in real time, can also remind user's hot water enough in time, reaches the effect for improving Consumer's Experience.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (14)
1. a kind of water heater, it is characterised in that the hot water for entering the mixed water tank including controller, mixed water tank, control hot water enters
Water valve and control cold water enter the cold water water intaking valve of the mixed water tank, and the controller is used for the hot water water intaking valve and cold water
Water intaking valve is controlled, so as to adjust the water temperature in the mixed water tank.
2. water heater as claimed in claim 1, it is characterised in that also include being used to store the boiler of hot water and for storing
The cold water storage cistern of cold water, the boiler are also connected by the hot water water intaking valve with the mixed water tank, and the cold water storage cistern is also logical
The cold water water intaking valve is crossed with the mixed water tank to be connected.
3. water heater as claimed in claim 2, it is characterised in that the temperature for detecting water temperature is provided with the mixed water tank
Inductor.
4. water heater as claimed in claim 2, it is characterised in that be provided with the mixed water tank for detecting hot water water level
Liquid-level switch.
5. water heater as claimed in claim 2, it is characterised in that the mixed water tank also passes through hot water backwater's valve and the hot water
Case is connected, when water temperature is too low in the mixed water tank, and is in high water level, the controller by hot water backwater's valve and
The hot water water intaking valve is opened, and the hot water in the boiler is added into the mixed water tank, by the low-temperature water heating in mixed water tank
Boiler is drained into, carries out circulation heating.
6. water heater as claimed in claim 2, it is characterised in that the mixed water tank also passes through cold-water return valve and the cold water
Case is connected, when water temperature over-high in the mixed water tank, and when being in high water level, the controller by the cold-water return valve and
The cold water water intaking valve is opened, and the cold water in the cold water storage cistern is added into the mixed water tank, by the high-temperature-hot-water in mixed water tank
Cold water storage cistern is drained into, carries out circulation temperature lowering.
7. water heater as claimed in claim 2, it is characterised in that also include the display panel being connected with the controller,
Water level in the water temperature and the mixed water tank that are set for showing the current water temperature in the mixed water tank, user.
8. water heater as claimed in claim 2, it is characterised in that be connected also including human body sensing device and with mixed water tank
Bathing outlet valve, the human body sensing device be used to judge below the bathing outlet valve in certain limit whether someone, it is described
Controller controls whether the bathing outlet valve is opened according to the induced signal of the human body sensing device.
9. a kind of type water temperature adjustment method of water heater, it is characterised in that controlled respectively by hot water water intaking valve and cold water water intaking valve
Cold water and hot water enter mixed water tank, the current water temperature in the target water temperature and mixed water tank that are set according to user to hot water water intaking valve and
Cold water water intaking valve is adjusted, so as to adjust the water temperature in mixed water tank.
10. the type water temperature adjustment method of water heater as claimed in claim 9, it is characterised in that by being connected with hot water water intaking valve
Logical boiler provides hot water for mixed water tank, and cold water is provided for mixed water tank by the cold water storage cistern being connected with cold water water intaking valve, mixes
Water tank is connected by hot water backwater's valve with boiler, and mixed water tank is connected by cold-water return valve with cold water storage cistern.
11. the type water temperature adjustment method of water heater as claimed in claim 10, it is characterised in that when the current water temperature of boiler is big
When the target water temperature that user is set adds temperature adjustment deviation（Tnow ＞ Tyuyue+ △ T）, first judge whether mixed water tank is in
High water level, if being not at high water level, cold water water intaking valve supplement cold water is opened, until Tnow≤Tyuyue+ △ T, is just closed cold
Water water intaking valve；If being in high water level, open cold water water intaking valve and cold-water return valve simultaneously and carry out circulation temperature lowering, until Tnow≤
Tyuyue+ △ T, just close cold water water intaking valve and cold-water return valve.
12. the type water temperature adjustment method of water heater as claimed in claim 10, it is characterised in that when the current water temperature of boiler is small
When the target water temperature that user is set subtracts temperature adjustment deviation（Tnow ＜ Tyuyue-△ T）, first judge whether mixed water tank is located
In high water level, if being not at high water level, hot water water intaking valve supplement hot water is opened, until Tnow >=Tyuyue-△ T, is just closed
Hot water water intaking valve；If being in high water level, open hot water water intaking valve and hot water backwater's valve and carry out circulation heating, until Tnow >=
Tyuyue-△ T, just close hot water water intaking valve and hot water backwater's valve.
13. the type water temperature adjustment method of water heater as claimed in claim 10, it is characterised in that when the current water temperature of boiler is small
In the target water temperature that user is set is plus temperature adjustment deviation and to subtract temperature adjustment inclined more than the target water temperature set in user
When poor (Tyuyue-△ T≤Tnow≤Tyuyue+ △ T), lower water temperature is completed.
14. the type water temperature adjustment method of water heater as claimed in claim 9, it is characterised in that during the use of water heater,
When low water level occurs in mixed water tank, water heater sends alarm signal, reminds user to terminate to use as early as possible.
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| CN201711158625.0A CN107806709B (en) | 2017-11-20 | 2017-11-20 | A kind of water heater and its type water temperature adjustment method |
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| CN201711158625.0A CN107806709B (en) | 2017-11-20 | 2017-11-20 | A kind of water heater and its type water temperature adjustment method |
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| CN107806709B CN107806709B (en) | 2018-10-19 |
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| CN109351514A (en) * | 2018-12-10 | 2019-02-19 | 三峡大学 | Constant temperature ejecting device and its control method |
| CN109612122A (en) * | 2018-12-27 | 2019-04-12 | 王士腾 | A kind of water-heater system and its intelligent control method |
| CN109612121A (en) * | 2018-12-27 | 2019-04-12 | 王士腾 | A kind of constant temperature of water heater output control system and method |
| CN111121134A (en) * | 2020-01-13 | 2020-05-08 | 北京市伟业供热设备有限责任公司 | Water mixing type solid sensible heat storage and heat supply system and method |
| CN111288651A (en) * | 2020-04-15 | 2020-06-16 | 杭州唛唐智能科技有限公司 | Water heater with stable outlet water temperature and capable of removing scale and adjusting water storage capacity |
| CN111750533A (en) * | 2019-03-26 | 2020-10-09 | 天津莱奥德机械有限公司 | High-precision flow hot water constant temperature control system |
| CN113218083A (en) * | 2021-04-22 | 2021-08-06 | 浙江尼普顿科技股份有限公司 | Intelligent water heater management system based on neural network learning |
| KR102613330B1 (en) * | 2023-01-18 | 2023-12-13 | 농업회사법인 참두원 주식회사 | Warm water supply system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109351514A (en) * | 2018-12-10 | 2019-02-19 | 三峡大学 | Constant temperature ejecting device and its control method |
| CN109351514B (en) * | 2018-12-10 | 2021-04-30 | 三峡大学 | Constant-temperature spray head device and control method thereof |
| CN109612122A (en) * | 2018-12-27 | 2019-04-12 | 王士腾 | A kind of water-heater system and its intelligent control method |
| CN109612121A (en) * | 2018-12-27 | 2019-04-12 | 王士腾 | A kind of constant temperature of water heater output control system and method |
| CN109612121B (en) * | 2018-12-27 | 2021-10-29 | 深圳市芯连心电子科技有限公司 | Constant-temperature output control system and method for water heater |
| CN111750533A (en) * | 2019-03-26 | 2020-10-09 | 天津莱奥德机械有限公司 | High-precision flow hot water constant temperature control system |
| CN111121134A (en) * | 2020-01-13 | 2020-05-08 | 北京市伟业供热设备有限责任公司 | Water mixing type solid sensible heat storage and heat supply system and method |
| CN111121134B (en) * | 2020-01-13 | 2021-09-21 | 北京热力装备制造有限公司 | Water mixing type solid sensible heat storage and heat supply system and method |
| CN111288651A (en) * | 2020-04-15 | 2020-06-16 | 杭州唛唐智能科技有限公司 | Water heater with stable outlet water temperature and capable of removing scale and adjusting water storage capacity |
| CN113218083A (en) * | 2021-04-22 | 2021-08-06 | 浙江尼普顿科技股份有限公司 | Intelligent water heater management system based on neural network learning |
| KR102613330B1 (en) * | 2023-01-18 | 2023-12-13 | 농업회사법인 참두원 주식회사 | Warm water supply system |
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|---|---|
| CN107806709B (en) | 2018-10-19 |
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