CN110500765A - Gas water heater for realizing constant-temperature water outlet through mixed heating and water outlet control method - Google Patents
Gas water heater for realizing constant-temperature water outlet through mixed heating and water outlet control method Download PDFInfo
- Publication number
- CN110500765A CN110500765A CN201910730006.7A CN201910730006A CN110500765A CN 110500765 A CN110500765 A CN 110500765A CN 201910730006 A CN201910730006 A CN 201910730006A CN 110500765 A CN110500765 A CN 110500765A
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- solenoid valve
- heater
- gas heater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 219
- 238000010438 heat treatment Methods 0.000 title claims abstract description 87
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000008236 heating water Substances 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 42
- 238000001514 detection method Methods 0.000 description 5
- 239000000567 combustion gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F24H1/0027—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
- F24H9/0005—Details for water heaters
-
- 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
-
- 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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- 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)
Abstract
The invention discloses a gas water heater for realizing constant-temperature water outlet through mixed heating, which comprises a gas water heater body, a cold water pipeline, a hot water pipeline, a water using end, a temperature acquisition unit, an auxiliary heating unit and a controller, wherein one end of the cold water pipeline and one end of the hot water pipeline are both connected with the gas water heater body, the other end of the cold water pipeline and the other end of the hot water pipeline are connected with the water using end, the temperature acquisition unit is arranged on the hot water pipeline, and the auxiliary heating unit is arranged on the cold water pipeline and the hot water; the invention also discloses a water outlet control method of the gas water heater; when the gas water heater is used, the temperature acquisition unit acquires the water temperature on a hot water pipeline, and when the water temperature does not reach the target temperature set by a user, the auxiliary heating unit and the gas water heater work together to mix and heat the residual water; when the water temperature reaches the target temperature, the auxiliary heating unit is closed, and only the gas water heater works; by the mode, waste caused by direct outflow from the water using end when the residual water is not heated is avoided, and the user experience is improved.
Description
Technical field
The invention belongs to gas heater technical fields, and in particular to a kind of combustion that constant-temperature effluent is realized by Hybrid Heating
Gas water heater and water outlet control method.
Background technique
Gas heater is also known as gas water-heating furnace, refers to using combustion gas as fuel, by combustion heating mode, heat is passed
It is delivered in the cold water for flowing through heat exchanger, to reach a kind of gas appliance for preparing hot water purpose, has a wide range of applications city
, it is a kind of common kitchen appliance.
However, gas heater in booting, exists largely due to gas heater and on the pipeline between water end (W.E.)
Water is remained, therefore needs to remain water before hot water arrival water end (W.E.) and exhausts, and cold and hot fluctuation may occur, in residual water row
Before sky, user needs to wait, and causes that user experience is poor, and the residual water on pipeline is not efficiently used, and is made
At the wasting of resources.
Summary of the invention
In order to solve the problems, such as it is above-mentioned at least one, the present invention provide it is a kind of by Hybrid Heating realize constant-temperature effluent combustion gas
Water heater controls the working condition of auxiliary heating element by the data that temperature collecting cell acquires, and avoids remaining water in pipeline
Waste.
It is a further object of the present invention to provide a kind of gas heater water outlet control methods.
The technical scheme adopted by the invention is that
A kind of gas heater for realizing constant-temperature effluent by Hybrid Heating comprising gas heater ontology, cold water pipe
Road, hot water pipeline, with water end (W.E.), temperature collecting cell, auxiliary heating element and controller, the cold water pipes and hot water pipeline
One end connect with gas heater ontology, the other end is connect with water end (W.E.), and the temperature collecting cell is arranged in hot-water line
On road, the auxiliary heating element is arranged on cold water pipes and hot water pipeline；
The controller receives the water temperature of temperature collecting cell acquisition, and controls auxiliary heating element according to the water temperature
Working condition.
Preferably, the auxiliary heating element includes the first solenoid valve, third solenoid valve, heater and circulating pump；
One end of first solenoid valve is connect with hot water pipeline, the input terminal connection of the other end and heater, described to add
The output end of hot device is connect by pipeline with water end (W.E.), and the third solenoid valve is arranged between cold water pipes and hot water pipeline,
The circulating pump, which is arranged, is located at the intrinsic one end of gas heater in cold water pipes.
Preferably, the auxiliary heating element further comprises the second electricity for preventing heater output end hot water return
Magnet valve, the second solenoid valve are arranged between the input terminal of heater and output end.
Preferably, the tie point of first solenoid valve and hot water pipeline is positioned close to use compared to temperature collecting cell
The side of water end (W.E.).
Preferably, the tie point of the third solenoid valve and hot water pipeline be located at temperature collecting cell and the first solenoid valve with
Between the tie point of hot water pipeline.
Preferably, the temperature collecting cell includes temperature sensor.
A kind of gas heater water outlet control method, using the above-mentioned combustion gas for realizing constant-temperature effluent by Hybrid Heating
Water heater is specifically implemented according to the following steps:
S1, opens gas heater, and user sets target temperature；
S2, auxiliary heating element are in close state, and temperature collecting cell acquires the water temperature on hot water pipeline in real time；
S3, controller control auxiliary heating element according to the relationship between the water temperature acquired in the target temperature and S2 in S1
Working condition.
Preferably, controller is controlled according to the relationship between the water temperature acquired in the target temperature and S2 in S1 in the S3
The working condition of auxiliary heating element, specifically:
S31, judges whether the water temperature acquired in real time reaches set target temperature, if then entering S32, otherwise enters
S33；
S32, auxiliary heating element continue to remain off, only gas water heater working, and water flows through hot water pipeline and cold
Waterpipe, which is flow to, uses water end (W.E.)；
S33, auxiliary heating element and gas heater work at the same time, and water, which flows through to flow to after auxiliary heating element heats, uses water
End.
Preferably, auxiliary heating element continues to remain off in the S32, only gas water heater working, specifically:
First solenoid valve and third solenoid valve are closed, and second solenoid valve is opened.
Preferably, the S33, auxiliary heating element and gas heater work at the same time, specifically:
First solenoid valve and third solenoid valve are opened, and second solenoid valve is closed.
Compared with prior art, when in use, temperature collecting cell acquires hot-water line to gas heater of the invention in real time
Water temperature on road, when the water temperature is not up to target temperature set by user, auxiliary heating element and gas heater itself are altogether
With work, Hybrid Heating is carried out to residual water；After water temperature reaches target temperature, auxiliary heating element is closed, only gas and hot water
Device itself works；Avoid in this way residual water when not heating directly from water end (W.E.) outflow and caused by waste, improve
User experience.
Detailed description of the invention
Fig. 1 is that the embodiment of the present invention 1 provides a kind of structure of gas heater that constant-temperature effluent is realized by Hybrid Heating
Schematic diagram；
Fig. 2 is that the embodiment of the present invention 1 provides a kind of system of gas heater that constant-temperature effluent is realized by Hybrid Heating
Block diagram；
Fig. 3 be the embodiment of the present invention 1 provide it is a kind of by Hybrid Heating realize constant-temperature effluent gas heater in assist
Structural schematic diagram when heating unit is in close state；
Fig. 4 be the embodiment of the present invention 1 provide it is a kind of by Hybrid Heating realize constant-temperature effluent gas heater in assist
Structural schematic diagram when heating unit is in running order；
Fig. 5 is that the embodiment of the present invention 2 provides a kind of flow chart of gas heater water outlet control method.
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 gas heater that constant-temperature effluent is realized by Hybrid Heating, such as Fig. 1 and Fig. 2
It is shown including gas heater ontology 1, cold water pipes 2, hot water pipeline 3, single with water end (W.E.) 4, temperature collecting cell 5, auxiliary heating
One end of member 6 and controller, the cold water pipes 2 and hot water pipeline 3 connect with gas heater ontology 1, the other end and
It is connected with water end (W.E.) 4, the temperature collecting cell 5 is arranged on hot water pipeline 3, and the auxiliary heating element 6 is arranged in cold water pipe
On road 2 and hot water pipeline 3；
In this way, using the above structure, controller receives the water temperature that temperature collecting cell 5 acquires, and according to the water temperature control
The working condition of auxiliary heating element 6 processed, specifically:
When water temperature collected is not up to target temperature set by user, auxiliary heating element 6 and gas heater sheet
Body works together, and carries out Hybrid Heating to residual water；After water temperature reaches target temperature, auxiliary heating element 6 is closed, only combustion gas
Water heater itself works；Avoid in this way residual water when not heating directly from water end (W.E.) outflow and caused by waste.
The auxiliary heating element 6 includes the first solenoid valve 61, third solenoid valve 62, heater 63 and circulating pump 64；
One end of first solenoid valve 61 is connect with hot water pipeline 3, and the other end is connect with the input terminal of heater 63, the heater
63 output end is connect by pipeline with water end (W.E.) 4, the third solenoid valve 62 be arranged cold water pipes 2 and hot water pipeline 3 it
Between, one end that cold water pipes 2 are located in gas heater ontology 1 is arranged in the circulating pump 64；
In this way, the first solenoid valve 61 and third solenoid valve 62 are opened, the water of hot water pipeline 3 when auxiliary heating element 6 works
It flows into heater 63 and is heated through the first solenoid valve 61, the water of cold water pipes 2 is through third solenoid valve 62 and the first solenoid valve
It is heated in 61 inflow heaters 63, the output end output of the heated device 63 of the water after heating；Under the action of circulating pump 64,
Water flow is successively by realizing cold water pipes 2, hot gas water heater body 1, hot water pipeline 3, the first solenoid valve 61, heater 63 in fact
Now auxiliary heating.
The auxiliary heating element 6 further comprises second solenoid valve 65, and the second solenoid valve 65 is arranged in heater
Between 63 input terminal and output end；
In this way, second solenoid valve 65 is not anxious can to prevent 63 output end hot water return of heater, heater can also be controlled
Whether 63 by access water stream channel.
The tie point of first solenoid valve 61 and hot water pipeline 3 is positioned close to use water compared to temperature collecting cell 5
The side at end 4；
In this way, avoid temperature collecting cell 5 it is collected be water after heated device 63 heats temperature.
In addition, in order to avoid the working condition of both auxiliary heating element 6 and gas heater influences each other, the third
The tie point of solenoid valve 62 and hot water pipeline 3 is located at the tie point of temperature collecting cell 5 and the first solenoid valve 61 and hot water pipeline 3
Between.
The temperature collecting cell 5 includes temperature sensor.
In addition, in order to guarantee that the water heated through auxiliary heating element 6 reaches target temperature, in 63 output end of heater and use
Water temperature detection unit is set between water end (W.E.) 4；
The water temperature detection unit includes the first temperature sensing, the 4th solenoid valve and water return pipeline, first temperature sensing
It is connected with the 4th solenoid valve, first temperature sensor further detects water temperature, if the water temperature reaches target temperature, controls
Device processed controls the 4th solenoid valve and opens, otherwise the 4th solenoid valve is closed, and water flows through input terminal stream of the water return pipeline from heater 63
Enter to continue heating in heater 63 until the water temperature of the first temperature sensor detection is identical with target temperature.
The course of work:
Temperature sensor acquires the water temperature on hot water pipeline 3 in real time, and water temperature collected is transferred to controller；
When water temperature collected is not up to target temperature set by user, controller controls auxiliary heating element 6 and works,
As shown in figure 4, the first solenoid valve 61 and third solenoid valve 62 are opened, second solenoid valve 65 is closed, and the water of hot water pipeline 3 is through first
Solenoid valve 61 is flowed into heater 63 and is heated, and the water of cold water pipes 2 is flowed into through third solenoid valve 62 and the first solenoid valve 61
It is heated in heater 63, the output end output of the heated device 63 of the water after heating；
When water temperature collected reaches target temperature set by user, controller controls auxiliary heating element 6 and closes, such as
Shown in Fig. 3, the first solenoid valve 61 and third solenoid valve 62 are closed, and second solenoid valve 65 is opened, and cold water is arrived through cold water pipes 2 all the way
It is to provide cold water with water end (W.E.) 4 up at water end (W.E.) 4；Cold water another way successively passes through cold water pipes 2, gas heater ontology 1, hot water
It is to provide hot water with water end (W.E.) 4 at pipeline 3 and 65 arrival of second solenoid valve water end (W.E.) 4.
The present embodiment acquires the water temperature on hot water pipeline by temperature collecting cell in real time, sets when the water temperature is not up to user
When fixed target temperature, auxiliary heating element and gas heater itself are worked together, and carry out Hybrid Heating to residual water；Work as water
After temperature reaches target temperature, auxiliary heating element is closed, and only gas heater itself works；Residual is avoided in this way
When water does not heat directly from water end (W.E.) outflow and caused by waste, improve user experience；Also, the present embodiment structure letter
It is single, it is at low cost, it is easy to spread.
Embodiment 2
The embodiment of the present invention 2 provides a kind of gas heater water outlet control method, the constant-temperature effluent of Application Example 1
Gas heater, as shown in figure 5, being specifically implemented according to the following steps:
S1, opens gas heater, and user sets target temperature；
S2, auxiliary heating element 6 are in close state, and temperature collecting cell 5 acquires the water temperature on hot water pipeline 3 in real time；
S3, controller control auxiliary heating element according to the relationship between the water temperature acquired in the target temperature and S2 in S1
6 working condition, specifically:
S31, judges whether the water temperature acquired in real time reaches set target temperature, if then entering S32, otherwise enters
S33；
S32, auxiliary heating element 6 continue to remain off, only gas water heater working, and water flows through 3 He of hot water pipeline
Cold water pipes 2 are flow to water end (W.E.) 4, specifically:
First solenoid valve 61 and third solenoid valve 62 are closed, and second solenoid valve 65 is opened；
S33, auxiliary heating element 6 and gas heater work at the same time, and water flows through after auxiliary heating element 6 heats and flow to use
Water end (W.E.) 4, specifically:
First solenoid valve 61 and third solenoid valve 62 are opened, and second solenoid valve 65 is closed；
And in order to guarantee that the water heated through auxiliary heating element 6 reaches target temperature, flowed out from auxiliary heating element 6
Water needs further to carry out detection by water temperature detection unit until water temperature is identical with target temperature.
The present embodiment is avoided by the mutual cooperation between temperature collecting cell, controller and auxiliary heating element
Residual water when not heating directly from water end (W.E.) outflow and caused by waste, accomplished zero cold water, improved the Experience Degree of user.
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 gas heater for realizing constant-temperature effluent by Hybrid Heating, which is characterized in that it includes gas heater sheet
Body (1), cold water pipes (2), hot water pipeline (3), with water end (W.E.) (4), temperature collecting cell (5), auxiliary heating element (6) and control
One end of device processed, the cold water pipes (2) and hot water pipeline (3) is connect with gas heater ontology (1), the other end and uses water
(4) connection is held, the temperature collecting cell (5) is arranged on hot water pipeline (3), and the auxiliary heating element (6) is arranged cold
On waterpipe (2) and hot water pipeline (3)；
The controller receives the water temperature of temperature collecting cell (5) acquisition, and controls auxiliary heating element (6) according to the water temperature
Working condition.
2. the gas heater according to claim 1 for realizing constant-temperature effluent by Hybrid Heating, which is characterized in that described
Auxiliary heating element (6) includes the first solenoid valve (61), third solenoid valve (62), heater (63) and circulating pump (64)；
One end of first solenoid valve (61) is connect with hot water pipeline (3), and the other end is connect with the input terminal of heater (63),
The output end of the heater (63) is connect by pipeline with water end (W.E.) (4), and the third solenoid valve (62) is arranged in cold water pipe
Between road (2) and hot water pipeline (3), circulating pump (64) setting is located in gas heater ontology (1) in cold water pipes (2)
One end.
3. the gas heater according to claim 2 for realizing constant-temperature effluent by Hybrid Heating, which is characterized in that described
Auxiliary heating element (6) further comprises the second solenoid valve (65) for preventing heater (63) output end hot water return, institute
Second solenoid valve (65) are stated to be arranged between the input terminal and output end of heater (63).
4. the gas heater according to claim 3 for realizing constant-temperature effluent by Hybrid Heating, which is characterized in that described
First solenoid valve (61) and the tie point of hot water pipeline (3) are positioned close to compared to temperature collecting cell (5) with water end (W.E.) (4)
Side.
5. the gas heater according to claim 4 for realizing constant-temperature effluent by Hybrid Heating, which is characterized in that described
Third solenoid valve (62) and the tie point of hot water pipeline (3) are located at temperature collecting cell (5) and the first solenoid valve (61) and hot water
Between the tie point of pipeline (3).
6. the gas heater according to claim 1-5 for realizing constant-temperature effluent by Hybrid Heating, feature
It is, the temperature collecting cell (5) includes temperature sensor.
7. a kind of gas heater water outlet control method, which is characterized in that it passes through using described in any one of claims 1-6
Hybrid Heating realizes the gas heater of constant-temperature effluent, is specifically implemented according to the following steps:
S1, opens gas heater, and user sets target temperature；
S2, auxiliary heating element (6) are in close state, and temperature collecting cell (5) acquires the water on hot water pipeline (3) in real time
Temperature；
S3, controller control auxiliary heating element (6) according to the relationship between the water temperature acquired in the target temperature and S2 in S1
Working condition.
8. a kind of gas heater water outlet control method according to claim 7, which is characterized in that controller in the S3
According to the working condition of relationship control auxiliary heating element (6) between the water temperature acquired in the target temperature and S2 in S1, tool
Body are as follows:
S31, judges whether the water temperature acquired in real time reaches set target temperature, if then entering S32, otherwise enters S33；
S32, auxiliary heating element (6) continue to remain off, only gas water heater working, water flow through hot water pipeline (3) and
Cold water pipes (2) are flow to water end (W.E.) (4)；
S33, auxiliary heating element (6) and gas heater work at the same time, and water flow to use after flowing through auxiliary heating element (6) heating
Water end (W.E.) (4).
9. a kind of gas heater water outlet control method according to claim 8, which is characterized in that assisted in the S32
Heating unit (6) continues to remain off, only gas water heater working, specifically:
First solenoid valve (61) and third solenoid valve (62) are closed, and second solenoid valve (65) is opened.
10. a kind of gas heater water outlet control method according to claim 9, which is characterized in that the S33, auxiliary
Heating unit (6) and gas heater work at the same time, specifically:
First solenoid valve (61) and third solenoid valve (62) are opened, and second solenoid valve (65) is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730006.7A CN110500765A (en) | 2019-08-08 | 2019-08-08 | Gas water heater for realizing constant-temperature water outlet through mixed heating and water outlet control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910730006.7A CN110500765A (en) | 2019-08-08 | 2019-08-08 | Gas water heater for realizing constant-temperature water outlet through mixed heating and water outlet control method |
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| Publication Number | Publication Date |
|---|---|
| CN110500765A true CN110500765A (en) | 2019-11-26 |
Family
ID=68587235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910730006.7A Pending CN110500765A (en) | 2019-08-08 | 2019-08-08 | Gas water heater for realizing constant-temperature water outlet through mixed heating and water outlet control method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111457579A (en) * | 2020-05-14 | 2020-07-28 | 珠海格力电器股份有限公司 | Water heater system and control method thereof |
| CN111595014A (en) * | 2020-06-08 | 2020-08-28 | 珠海格力电器股份有限公司 | Hot water system and control method thereof |
| CN111853924A (en) * | 2020-08-14 | 2020-10-30 | 河南科技大学 | Intelligent switching device based on wireless sensor network and control method thereof |
| CN112050477A (en) * | 2020-10-21 | 2020-12-08 | 佛山市九零物联科技有限公司 | Water heater control system with zero hot water function and working method |
| 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 |
| CN114251841A (en) * | 2021-12-28 | 2022-03-29 | 华帝股份有限公司 | Control method of zero-cold-water heater and zero-cold-water heater |
| CN115143646A (en) * | 2022-06-16 | 2022-10-04 | 浙江科技学院 | Intelligent hot water control device and control method |
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| CN111457579A (en) * | 2020-05-14 | 2020-07-28 | 珠海格力电器股份有限公司 | Water heater system and control method thereof |
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| CN112050477A (en) * | 2020-10-21 | 2020-12-08 | 佛山市九零物联科技有限公司 | Water heater control system with zero hot water function and working method |
| CN112050477B (en) * | 2020-10-21 | 2022-05-27 | 佛山市九零物联科技有限公司 | Water heater control system with zero hot water function and working method |
| 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 |
| CN114251841A (en) * | 2021-12-28 | 2022-03-29 | 华帝股份有限公司 | Control method of zero-cold-water heater and zero-cold-water heater |
| CN115143646A (en) * | 2022-06-16 | 2022-10-04 | 浙江科技学院 | Intelligent hot water control device and control method |
| CN115143646B (en) * | 2022-06-16 | 2023-06-27 | 浙江科技学院 | Intelligent hot water control device and control method |
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