CN212644979U - Intelligent constant-temperature hot water system - Google Patents
Intelligent constant-temperature hot water system Download PDFInfo
- Publication number
- CN212644979U CN212644979U CN202021566361.XU CN202021566361U CN212644979U CN 212644979 U CN212644979 U CN 212644979U CN 202021566361 U CN202021566361 U CN 202021566361U CN 212644979 U CN212644979 U CN 212644979U
- Authority
- CN
- China
- Prior art keywords
- water
- hot water
- temperature
- heater
- valve
- 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
Abstract
The utility model discloses an intelligence constant temperature hot water system, including water heater and intelligent constant temperature hot water system, the water heater with the external connection of intelligence constant temperature hot water system, intelligence constant temperature hot water system includes thermostatic valve, casing, first import temperature sensor, electric heater, first export temperature sensor, water flow sensor, water proportion control valve, control panel and operating panel, the casing is provided with first hot water inlet, first cold water inlet and first delivery port, the thermostatic valve is provided with second hot water inlet, second cold water inlet and second delivery port, the first hot water inlet of casing with connect gradually between the second hot water inlet of thermostatic valve first import temperature sensor and electric heater. The intelligent constant-temperature hot water system solves the problem that the temperature difference exists in water outlet when the existing water heater is restarted, can preheat water flow, and is good in constant-temperature effect and safety in use.
Description
Technical Field
The utility model relates to a hot water shower technical field especially relates to an intelligence constant temperature hot water system.
Background
With the continuous improvement of the attention of consumers to the healthy bathing experience, the traditional water heater product cannot meet the water demand of the current family, the upgrading of the consumption quality, the transformation of the industry pattern and the continuous maturity of the technology mark that the water heater product not only needs to have the characteristics of environmental protection, energy conservation and high efficiency, and the intelligent, convenient and comfortable water heater gradually becomes a great trend of the development of the water heater.
The current water heater is in the use, because the water heater is after the stop work, hot water between the hot water delivery port of water heater and user's the water spot can become cold gradually, when water heater restart during operation, cold water between hot water delivery port and user's the water spot if direct play water, then can make the user appear in the water when the preceding one section cold water that is, the condition that rivers just become hot in a period of time, the result of use is greatly influenced, lead to the user when the restart water heater, use temperature is improper, user's use is felt poor and is uncomfortable to use, the result of use has been influenced greatly.
SUMMERY OF THE UTILITY MODEL
Problem to the background art provides, the utility model aims to provide an intelligence constant temperature hot water system, the problem of the difference in temperature of play water existence when having solved current water heater restart can preheat rivers, and constant temperature effect is fine, and the safety in utilization is good.
To achieve the purpose, the utility model adopts the following technical proposal:
an intelligent constant-temperature hot water system comprises a water heater and an intelligent constant-temperature hot water device, wherein the water heater is externally connected with the intelligent constant-temperature hot water device, the intelligent constant-temperature hot water device comprises a constant-temperature valve, a shell, a first inlet temperature sensor, an electric heater, a first outlet temperature sensor, a water flow sensor, a water proportion regulating valve, a control panel and an operation panel, the shell is provided with a first hot water inlet, a first cold water inlet and a first water outlet, the constant-temperature valve is provided with a second hot water inlet, a second cold water inlet and a second water outlet, and the first inlet temperature sensor and the electric heater are sequentially connected between the first hot water inlet of the shell and the second hot water inlet of the constant-temperature valve;
the first outlet temperature sensor, the water flow sensor and the water proportion regulating valve are sequentially connected between the second water outlet of the thermostatic valve and the first water outlet of the shell;
the operation panel install in the surface of casing, operation panel, first import temperature sensor, electric heater, first export temperature sensor, thermostatic valve, second export temperature sensor, water flow sensor and water proportional control valve's output all with the input electricity of control panel is connected, the output of control panel respectively with electric heater, thermostatic valve and water proportional control valve's input electricity is connected.
Preferably, the intelligent constant-temperature hot water device further comprises a first electric switch valve and a second electric switch valve, the first electric switch valve is arranged between the first hot water inlet of the shell and the first inlet temperature sensor, and the second electric switch valve is arranged between the first cold water inlet of the shell and the second cold water inlet of the constant-temperature valve;
and the output end of the control panel is electrically connected with the first electric switch valve and the second electric switch valve respectively.
Preferably, a second outlet temperature sensor is connected between the electric heater and a second hot water inlet of the thermostatic valve;
and the output end of the second outlet temperature sensor is electrically connected with the input end of the control board.
Preferably, an overheat protector is fixedly mounted on the electric heater, and the overheat protector is connected with a power supply of the electric heater in series.
Preferably, the power of the electric heater is 3-5.5 kW.
Preferably, the water heater is provided with a water heater hot water outlet and a water heater cold water inlet, the water heater hot water outlet is communicated with the first hot water inlet of the shell, and the water heater cold water inlet and the first cold water inlet of the shell are respectively communicated with the cold water pipeline.
Preferably, the control panel of intelligence constant temperature hot water system is provided with the wireless communication subassembly, the water heater is provided with the wireless communication module, the wireless communication module with the wireless communication subassembly communication is connected.
Preferably, the water heater is a gas water heater, a gas heating water heater, a heat pump water heater, an electric water heater or a solar water heater.
Preferably, the control board is provided with an earth leakage protection device.
Preferably, the thermostatic valve is a numerical control thermostatic valve.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. by matching the intelligent constant-temperature hot water device with the water heater, when the water heater is started to work again, the intelligent constant-temperature hot water device can preheat cold water between the water outlet of the water heater and a water device of a user, so that the hot water use temperature requirement of the user is met, the constant-temperature effect is good, and the constant-temperature is stable;
2. when the first inlet temperature sensor senses that the temperature of inflow water from the first hot water inlet is greater than or equal to the target value T0 of the outlet water temperature, the electric heater does not start to work, and when the actual hot water temperature of the water heater does not meet the requirement of the water temperature, the electric heater starts to work to heat the hot water so as to meet the requirement of the water temperature, achieve the constant temperature effect and greatly improve the use safety of the intelligent constant temperature hot water system.
3. The intelligent constant-temperature hot water device can obtain the electric power value required to reach the water outlet temperature target value T0 under the current water flow parameter state according to the sensing temperature of the first inlet temperature sensor, the water outlet temperature target value T0 and the water flow value detected by the water sensor, the intelligent degree is high, and a better constant-temperature effect is achieved.
Drawings
The accompanying drawings are provided to further illustrate the present invention, but the content in the accompanying drawings does not constitute any limitation to the present invention.
Fig. 1 is a schematic view of the internal structure of an intelligent constant-temperature hot water device according to an embodiment of the present invention;
fig. 2 is a schematic diagram of circulating water of the intelligent constant temperature hot water device and the water heater according to an embodiment of the present invention;
wherein: the intelligent constant-temperature hot water device comprises a water heater 11, a water heater hot water outlet 111, a water heater cold water inlet 112, a wireless communication module 113, an intelligent constant-temperature hot water device 21, a constant-temperature valve 210, a second hot water inlet 2101, a second cold water inlet 2102, a second water outlet 2103, a housing 2111, a first hot water inlet 211, a first cold water inlet 212, a first water outlet 213, a first inlet temperature sensor 214, an electric heater 215, an overheat protector 2151, a first outlet temperature sensor 216, a water flow sensor 217, a water proportion regulating valve 218, a control panel 219, a first electric switch valve 220, a second electric switch valve 221 and a second outlet temperature sensor 222.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.
As shown in fig. 1 and 2, an intelligent constant temperature hot water system comprises a water heater 11 and an intelligent constant temperature hot water device 21, the water heater 11 is externally connected with the intelligent constant-temperature hot water device 21, the intelligent constant-temperature hot water device 21 comprises a constant-temperature valve 210, a housing 2111, a first inlet temperature sensor 214, an electric heater 215, a first outlet temperature sensor 216, a water flow sensor 217, a water proportion regulating valve 218, a control board 219 and an operation panel, the housing 2111 is provided with a first hot water inlet 211, a first cold water inlet 212 and a first water outlet 213, the thermostatic valve 210 is provided with a second hot water inlet 2101, a second cold water inlet 2102 and a second water outlet 2103, the first inlet temperature sensor 214 and the electric heater 215 are sequentially connected between the first hot water inlet 211 of the housing 2111 and the second hot water inlet 2101 of the thermostatic valve 210;
the first outlet temperature sensor 216, the water flow sensor 217 and the water proportion regulating valve 218 are sequentially connected between the second water outlet 2103 of the thermostatic valve 210 and the first water outlet 213 of the housing 2111;
the operation panel is installed on the outer surface of the housing 2111, the output ends of the operation panel, the first inlet temperature sensor 214, the electric heater 215, the first outlet temperature sensor 216, the thermostatic valve 210, the second outlet temperature sensor 222, the water flow sensor 217 and the water proportion adjusting valve 218 are all electrically connected with the input end of the control board 219, and the output end of the control board 219 is electrically connected with the input ends of the electric heater 215, the thermostatic valve 210 and the water proportion adjusting valve 218 respectively.
It should be noted that the intelligent constant temperature hot water system is installed in the bathroom, the first water outlet 213 of the housing 2111 is connected with a water using device, and the water using device is a handheld shower head, a top shower head and other water using devices.
Intelligence constant temperature hot water system's theory of operation as follows:
when the intelligent constant-mixing hot water system is used, a user sets a water outlet temperature target value T0 on the operation panel according to own use habits, the intelligent constant-mixing hot water system is powered on, the user operates a switch button on the operation panel, after the control panel 219 is connected with a switch instruction of the operation panel, the opening of the water proportion adjusting valve 218 is controlled to be reset to a state before the last shutdown, when the water heater 11 is started to work again, the first inlet temperature sensor 214 does not start to work if sensing that the temperature of the inlet water flow from the first hot water inlet 211 is larger than or equal to the water outlet temperature target value T0 set by the first outlet temperature sensor 216, the control panel 219 controls the thermostatic valve 210 to repeatedly adjust the opening sizes of the second hot water inlet 2101 and the second cold water inlet 2102 according to the water outlet temperature target value T0, adjusting the mixing ratio of the hot water and the cold water to enable the temperature of the mixed hot water and cold water to reach a target outlet water temperature value T0;
when the first inlet temperature sensor 214 senses that the temperature of the inflow water from the first hot water inlet 211 is less than T0, the electric heater 215 is activated, at the same time, the control board 219 controls the thermostatic valve 210 to open the second hot water inlet 2101 to the maximum, close the second cold water inlet 2102 of the thermostatic valve 210 to the minimum, the control board 219 reads the water temperature value sensed by the first inlet temperature sensor 214, the water flow value detected by the water flow sensor 217 and the target outlet water temperature value T0 to obtain the electric power value required to reach the target outlet water temperature value T0 under the current water flow parameter state, then, the electric power of the electric heater 215 is adjusted, and meanwhile, the water flow is adjusted to be small through the water proportion adjusting valve 218, so that the outlet water temperature reaches a target value, and a constant temperature effect is realized;
by matching the intelligent constant-temperature hot water device 21 with the water heater 11, when the water heater 11 is started again, the intelligent constant-temperature hot water device 21 can preheat cold water between the water heater 11 and a water device of a user, so that the hot water use temperature requirement of the user is met, the constant-temperature effect is good, and the constant-temperature is stable; by arranging the first inlet temperature sensor 214, when the first inlet temperature sensor 214 senses that the temperature of the inflow water from the first hot water inlet 211 is greater than or equal to the target value T0 of the outflow water temperature, the electric heater 215 is not started to work, and when the actual hot water temperature of the water heater 215 does not meet the requirement of the water temperature, the electric heater 215 is started to work to heat the hot water so as to meet the requirement of the water temperature and achieve the constant temperature effect, so that the use safety of the intelligent constant temperature hot water system is greatly improved; the intelligent constant-temperature hot water device 21 can obtain the electric power value required to reach the outlet water temperature target value T0 in the current water flow parameter state according to the sensing temperature of the first inlet temperature sensor 214, the outlet water temperature target value T0 set by the first outlet temperature sensor 216 and the water flow value detected by the water flow sensor 217, the intelligent degree is high, and a better constant-temperature effect is realized;
when the electric heater 215 still cannot ensure that the outlet water temperature reaches the set outlet water temperature target value T0 when operating at the maximum power, the control panel 219 can control the opening size of the water proportion adjusting valve 218 to reduce the water flow, so that the water temperature is increased, and the constant temperature effect of the outlet water is better.
Preferably, the intelligent constant temperature hot water apparatus 21 further comprises a first electric switch valve 220 and a second electric switch valve 221, the first electric switch valve 220 is disposed between the first hot water inlet 211 of the housing 2111 and the first inlet temperature sensor 214, and the second electric switch valve 221 is disposed between the first cold water inlet 212 of the housing 2111 and the second cold water inlet 2102 of the constant temperature valve 210;
the output end of the control board 219 is electrically connected to the first electric switching valve 220 and the second electric switching valve 221, respectively.
When the water heater 11 is powered off, the hot water channel and the cold water channel can be automatically closed through the first electric switch valve 220 and the second electric switch valve 221, so that water flow is prevented from flowing out of the intelligent constant-temperature water heating device 21, and the intelligent constant-temperature water heating device is convenient to use and good in safety.
Preferably, a second outlet temperature sensor 222 is connected between the electric heater 215 and the second hot water inlet 2101 of the thermostatic valve 210;
the output of the second outlet temperature sensor 222 is electrically connected to the input of the control board 219.
Through the second outlet temperature sensor 222 arranged between the electric heater 215 and the second hot water inlet 2101 of the thermostatic valve 210, the second outlet temperature sensor 222 senses the water flow temperature heated by the electric heater 215, and in cooperation with the first inlet temperature sensor 214, the water flow temperature before and after being heated by the electric heater 215 can be sensed in real time, and the sensed water flow temperature before and after being heated is transmitted to the control board 219, if the heated water flow temperature is not high enough, the control board 219 controls the electric heater 215 to increase the heating power, so that the working effect of the electric heater 215 is monitored, the function of maintaining the outlet water temperature of the electric heater 215 not higher than the set temperature is realized, and the thermostatic effect of the intelligent thermostatic hot water system is effectively ensured.
Preferably, an overheat protector 2151 is fixedly mounted on the electric heater 215, and the overheat protector 2151 is connected in series with a power supply of the electric heater 215.
The overheat protector 2151 is arranged to protect the electric heater 215, and when the surface temperature of the electric heater 215 is higher than the maximum working temperature, the overheat protector 2151 is disconnected from the electric heater 215, so that the power supply of the electric heater 215 is disconnected, the safety protection effect is achieved, and the use safety of the electric heater 215 is improved.
Preferably, the power of the electric heater 215 is 3 to 5.5 kW.
Preferably, the power of the electric heater 215 is 4-5.5 kW.
The power of electric heater 215 is 3 ~ 5.5kW, works as when electric heater 215's power is less than 3kW, electric heater 215's output hot water flow is too little, and the water yield that reaches the constant temperature effect is little, works as when electric heater 215's power is greater than 5.5kW, to using electric heater 215's family's electric wire netting's requirement is high, sets up electric heater 215's power is 3 ~ 5.5kW, and the constant temperature effect is better, the work efficiency of realization constant temperature effect of intelligence constant temperature hot-water heating system is high, convenient to use, excellent in use effect, can reach the leaving water temperature requirement that the user set up better.
Preferably, the water heater 11 is provided with a water heater hot water outlet 111 and a water heater cold water inlet 112, the water heater hot water outlet 111 is communicated with the first hot water inlet 211 of the housing 2111, and the water heater cold water inlet 112 and the first cold water inlet 212 of the housing 2111 are respectively communicated with a cold water pipeline.
In the use process of the existing water heater, after the water heater stops working, hot water between a hot water outlet of the water heater and a water consumption point of a user is gradually cooled, and the hot water outlet 111 of the water heater is communicated with the first hot water inlet 211 of the shell 2111, when the water heater 11 starts working again, cold water between the water heater 11 and the water consumption point of the user passes through the intelligent constant-temperature hot water device 21 for constant temperature and then is discharged, so that the use feeling of the user is improved, the cold water inlet 112 of the water heater and the first cold water inlet 212 of the shell 2111 are respectively communicated with a cold water pipeline, the cold water pipeline conveys cold water to the cold water inlet 112 of the water heater, flows into the water heater 11, is heated by the water heater 11, flows out from the hot water outlet 111 of the water heater and conveys to the first hot water inlet 211 of the shell 2111, and simultaneously conveys the cold water to the first cold water inlet 212 of the shell 2111, simple structure, convenient to use makes the temperature of temperature control point and the temperature of user's actual water spot more press close to, reduces the difference in temperature.
Preferably, the control panel 219 of the intelligent constant-temperature hot water device 21 is provided with a wireless communication component, the water heater 11 is provided with a wireless communication module 113, and the wireless communication module 113 is in communication connection with the wireless communication component.
The control board 219 is provided with a wireless communication component, and communicates with the wireless communication module 113 of the water heater 11, so that the water heater 11 can receive signal feedback (such as a water flow feedback signal, a temperature feedback signal, and the like) of the wireless communication component of the control board 219 through the wireless communication module 113, and thus judge whether the water heater 11 reaches a starting condition, so as to start the water heater 11 to work, and the control board 219 can monitor and control the work of the water heater 11, thereby simplifying the design of an operation panel of the water heater 11 or removing the operation panel of the water heater 11, and reducing the cost of the water heater 11.
Preferably, the water heater 11 is a gas water heater, a gas heating water heater, a heat pump water heater, an electric water heater or a solar water heater, but is not limited to the above-mentioned type of water heater.
Intelligence constant temperature hot water system 21 with 11 supporting uses of water heater, because behind 11 stop work of water heater, intelligence constant temperature hot water system 21 can the water heater restart during operation, will cold water between 11 and the user water consumption point of water heater preheats, reaches user's hot water service temperature demand, just intelligence constant temperature hot water system 21 can support the water heater of different grade type and use, and the suitability is good, and the practicality is strong.
Preferably, the control board 219 is provided with an earth leakage protection device.
Because the environment is a humid and watery environment when the user uses the intelligent constant-temperature hot water system, the control panel 219 is provided with the electric leakage protection device, when the electric leakage occurs to the control panel 219, the power supply can be cut off immediately, the electric shock of the user caused by the electric leakage is avoided, and the use safety of the intelligent constant-temperature hot water system is improved.
Preferably, the thermostatic valve 210 is a numerical control thermostatic valve.
The thermostatic valve 210 is a numerical control thermostatic valve, and can implement automatic thermostatic mixing of hot water flowing from the first hot water inlet 211 of the housing 2111 and cold water flowing from the first cold water inlet 212 of the housing 2111 according to a proportion according to a target outlet water temperature value T0 set by the first outlet temperature sensor 216, so that the outlet water temperature of the thermostatic valve 210 is well controlled, and the thermostatic effect of the intelligent thermostatic hot water system is improved.
The technical principle of the present invention is described above with reference to specific embodiments. The description is made for the purpose of illustrating the principles of the invention and should not be construed in any way as limiting the scope of the invention. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without any inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. An intelligent constant-temperature hot water system is characterized by comprising a water heater and an intelligent constant-temperature hot water device, wherein the water heater is externally connected with the intelligent constant-temperature hot water device, the intelligent constant-temperature hot water device comprises a constant-temperature valve, a shell, a first inlet temperature sensor, an electric heater, a first outlet temperature sensor, a water flow sensor, a water proportion adjusting valve, a control panel and an operation panel, the shell is provided with a first hot water inlet, a first cold water inlet and a first water outlet, the constant-temperature valve is provided with a second hot water inlet, a second cold water inlet and a second water outlet, and the first inlet temperature sensor and the electric heater are sequentially connected between the first hot water inlet of the shell and the second hot water inlet of the constant-temperature valve;
the first outlet temperature sensor, the water flow sensor and the water proportion regulating valve are sequentially connected between the second water outlet of the thermostatic valve and the first water outlet of the shell;
the operation panel install in the surface of casing, operation panel, first import temperature sensor, electric heater, first export temperature sensor, thermostatic valve, second export temperature sensor, water flow sensor and water proportional control valve's output all with the input electricity of control panel is connected, the output of control panel respectively with electric heater, thermostatic valve and water proportional control valve's input electricity is connected.
2. The intelligent constant-temperature hot water system as claimed in claim 1, further comprising a first electric switch valve and a second electric switch valve, wherein the first electric switch valve is arranged between the first hot water inlet of the housing and the first inlet temperature sensor, and the second electric switch valve is arranged between the first cold water inlet of the housing and the second cold water inlet of the constant-temperature valve;
and the output end of the control panel is electrically connected with the first electric switch valve and the second electric switch valve respectively.
3. The intelligent constant-temperature hot water system as claimed in claim 1, wherein a second outlet temperature sensor is connected between the electric heater and a second hot water inlet of the thermostatic valve;
and the output end of the second outlet temperature sensor is electrically connected with the input end of the control board.
4. The intelligent constant-temperature hot water system as claimed in claim 1, wherein an overheat protector is fixedly installed on the electric heater, and the overheat protector is connected with a power supply of the electric heater in series.
5. The intelligent constant-temperature hot water system as claimed in claim 1, wherein the electric heater has a power of 3-5.5 kW.
6. The intelligent constant-temperature hot water system as claimed in claim 1, wherein the water heater is provided with a water heater hot water outlet and a water heater cold water inlet, the water heater hot water outlet is communicated with the first hot water inlet of the shell, and the water heater cold water inlet and the first cold water inlet of the shell are respectively communicated with a cold water pipeline.
7. The intelligent constant-temperature hot water system as claimed in claim 1, wherein the control board of the intelligent constant-temperature hot water device is provided with a wireless communication component, and the water heater is provided with a wireless communication module which is in communication connection with the wireless communication component.
8. The intelligent constant-temperature hot water system as claimed in claim 1, wherein the water heater is a gas water heater, a gas heating water heater, a heat pump water heater, an electric water heater or a solar water heater.
9. An intelligent constant temperature hot water system as claimed in claim 1, wherein the control board is provided with an earth leakage protection device.
10. An intelligent constant temperature hot water system as claimed in claim 1, wherein the thermostatic valve is a numerically controlled thermostatic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566361.XU CN212644979U (en) | 2020-07-31 | 2020-07-31 | Intelligent constant-temperature hot water system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021566361.XU CN212644979U (en) | 2020-07-31 | 2020-07-31 | Intelligent constant-temperature hot water system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212644979U true CN212644979U (en) | 2021-03-02 |
Family
ID=74785674
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021566361.XU Active CN212644979U (en) | 2020-07-31 | 2020-07-31 | Intelligent constant-temperature hot water system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212644979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114617438A (en) * | 2022-03-18 | 2022-06-14 | 合肥美菱物联科技有限公司 | Control system and method of instant heating type water dispenser |
-
2020
- 2020-07-31 CN CN202021566361.XU patent/CN212644979U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114617438A (en) * | 2022-03-18 | 2022-06-14 | 合肥美菱物联科技有限公司 | Control system and method of instant heating type water dispenser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100467972C (en) | Energy saving controlling method for electric water heater, and electrically heating system | |
| CN201787733U (en) | Gas water heater control system with controllable water use mode | |
| CN110220313A (en) | Gas water heater control method and gas water heater | |
| CN110220314A (en) | Gas water heater control method and gas water heater | |
| CN212644979U (en) | Intelligent constant-temperature hot water system | |
| CN109916076A (en) | A kind of water heater increase-volume thermostat | |
| CN206637822U (en) | A kind of antifreeze boosting type gas heater | |
| CN216744898U (en) | Water storage type constant temperature electric water heater for heating hot water pipeline terminal | |
| CN212842183U (en) | Intelligent dual-mode constant-temperature electric water heater | |
| CN212390610U (en) | Improved constant temperature gas water heater | |
| CN202973355U (en) | Household independent heating and domestic hot water supply control system | |
| CN112161410A (en) | Intelligent control ultrahigh frequency electric water heater device | |
| CN201740214U (en) | Double-container low-power double-die heating fast energy-saving heater | |
| CN111550917A (en) | Improved constant temperature gas water heater | |
| CN208475658U (en) | A kind of intelligent power saving hot water cycler and system | |
| CN111595042A (en) | Constant temperature intelligent valve control device for solar water heater | |
| CN201521695U (en) | Tap | |
| CN201081382Y (en) | Novel water heater | |
| CN213393814U (en) | Full-intelligent electronic thermostatic valve | |
| CN201637078U (en) | Electromagnetic water heater | |
| CN201034353Y (en) | Solar water heater electric heat-compensating system | |
| CN201229050Y (en) | Full-automatic constant temperature type electric water heater | |
| CN213901466U (en) | Central constant-temperature water storage type water heater | |
| CN216203712U (en) | Solar heating device with frequency conversion function | |
| CN216845163U (en) | Household water heating device system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Yunfan Inventor after: Zhong Yu Inventor before: Liang Yougao Inventor before: Sun Yunfan Inventor before: Zhong Yu |
|
| CB03 | Change of inventor or designer information | ||
| CP02 | Change in the address of a patent holder |
Address after: 528325 No. 703-5, building 11, Shunde Zhifu garden, No. 8, 2nd Ring Road, Gaozan village, Xingtan town, Shunde District, Foshan City, Guangdong Province (residence declaration) Patentee after: Foshan sewing leaf bird Environmental Technology Co.,Ltd. Address before: 528303 No.2, 601, block 4, gaojun science and technology innovation center, No.1 Chaogui South Road, Ronggui xiaohuangpu neighborhood committee, Shunde District, Foshan City, Guangdong Province Patentee before: Foshan sewing leaf bird Environmental Technology Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |