CN108548328A - A kind of constant-temperature effluent, water-saving control system based on gas heater - Google Patents
A kind of constant-temperature effluent, water-saving control system based on gas heater Download PDFInfo
- Publication number
- CN108548328A CN108548328A CN201810291098.9A CN201810291098A CN108548328A CN 108548328 A CN108548328 A CN 108548328A CN 201810291098 A CN201810291098 A CN 201810291098A CN 108548328 A CN108548328 A CN 108548328A
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- water
- temperature
- gas heater
- constant
- control system
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Classifications
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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
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/025—Water supply lines as such, e.g. shower hoses
-
- 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
- F24H9/12—Arrangements for connecting heaters to circulation pipes
- F24H9/13—Arrangements for connecting heaters to circulation pipes for water heaters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N11/00—Generators or motors not provided for elsewhere; Alleged perpetua mobilia obtained by electric or magnetic means
- H02N11/002—Generators
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- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Health & Medical Sciences (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The invention discloses a kind of constant-temperature effluent, water-saving control system based on gas heater, is related to the gas heater system regions based on thermo-electric generation；It includes the switch unit of gas heater, the water pipe being connect with gas heater, the nozzle being connect with water pipe and control system, the water pipe includes the return branch that one end is connect with hot water outlet end and the other end is connect with cooling water inlet end, it is provided in the return branch and realizes that the valve group of waterway circulating and control valve group realize that constant-temperature effluent and water-saving wireless low-power consumption control unit, the switch unit are additionally operable to setting control parameter for controlling flow；The present invention solves the problems, such as that the heating that the water tank of existing system setting large volume and blending bin are brought is slow, realization of boosting by temperature-difference power generation module is powered, and there are security risks, easy circular heating is reached, low-consumption wireless controls constant-temperature effluent, improves the effect of water-saving performance, energy-efficient performance and security performance.
Description
Technical field
It is especially a kind of based on gas heater the present invention relates to the gas heater system regions based on thermo-electric generation
Constant-temperature effluent, water-saving control system.
Background technology
Gas heater initial start lasts about 20s or so to steady operation, during which the water in heat exchanger for gas water heaters
And the remaining water in pipeline has little time fully heating and is just discharged, and great sense of discomfort is had if being expelled directly out, after human contact,
And cause the waste of great lot of water resources；China's distribution of water resources difference is huge, and some areas are chronically at exsiccosis, combustion gas heat
The number that hydrophone uses is more, and waste is also more serious；Existing water-heater system, which uses, in view of the above problems adds water tank, mixes
Water tank and sensor, by detecting the water temperature at nozzle, control leads to the valve at water tank, cold water is recycled to water tank,
Cold water enters mixed water tank by heating, and hot water and cold water, which integrate to obtain preference temperature, to be just discharged, and has achieved the purpose that water-saving, but deposits
In following disadvantage：1, water tank and mixed water tank are added, the volume of whole system is excessive, and pipeline corresponds to length increase, and heating is slack-off,
Because needing hot water to be higher than general set temperature using integrated temperature, long term high temperature may cause hot-water line service life to shorten；
2, the power supply of whole system is all made of temperature-difference power generation module and is warming up to the normal power supply that 12V ensures all devices from 3.7V, because setting
The environment set is chronically at wet environment, and voltage is more than safe voltage (being less than 5V), and there are security risks.So needing a kind of base
Automatic temperature-control can be realized in the system of gas heater by the waterway circulating of simple structure, reach safety and comfort, water-saving
Effect.
Invention content
It is an object of the invention to：The constant-temperature effluent that the present invention provides a kind of based on gas heater, water-saving control system
System, solve the water tank of existing system setting large volume and heating that blending bin is brought it is slow, by temperature-difference power generation module liter
Pressure realizes that power supply has security risk.
The technical solution adopted by the present invention is as follows：
A kind of constant-temperature effluent, water-saving control system based on gas heater, including gas heater and gas heater
The switch unit of the water pipe of connection, the nozzle being connect with water pipe and control system, the water pipe include one end and hot water outlet end
Connection and the return branch that is connect with cooling water inlet end of the other end are provided with for controlling flow realization water in the return branch
The valve group and control valve group of road cycle realize that constant-temperature effluent and water-saving wireless low-power consumption control unit, the switch unit are also used
In setting control parameter.
Preferably, the valve group includes the check valve being arranged in return branch and the electromagnetism for controlling nozzle sprinkling
Valve, check valve setting is at return branch cooling water inlet end, for controlling from hot water outlet and not up to set temperature
Hot water flows to cooling water inlet via return branch, the solenoid valve setting nozzle proximal end, the solenoid valve and check valve by
Wireless low-power consumption control unit is powered.Realize that the hot water for being not up to certain temperature realizes cycle by controlling solenoid valve and check valve
Heating, water-saving result is good, simple in structure, and temperature adjustment can be realized it is not necessary that water tank and mixed water tank is arranged, reduce volume, operation letter
Just, using water wisely.
Preferably, the valve group further includes the water pump being arranged outside bathroom, and the water pump is powered by external power supply.By Gao Gong
Consumption is separately powered with low-power consumption, ensures that low-power consumption comes from thermo-electric generation, Electrical Safety is ensure that while realizing energy saving, is improved
The safety of room control system.
Preferably, the wireless low-power consumption control unit includes winding the temperature difference being arranged in return branch by clad
Closed container, the temperature sensor A that is connect with temperature-difference power generation module and temperature sensing in clad lower end is arranged in electricity generation module
Device B, the temperature sensor A is arranged in temperature-difference power generation module, for the temperature of water gage glass and water, the temperature sensor B
It is arranged in temperature-difference power generation module outer surface, for surveying environment temperature.Using thermo-electric generation, realizes low-power consumption power supply, promote energy saving
With it is water-saving.
Preferably, be provided in the closed container wireless device, with wireless device be electrically connected control device and with
The energy storage device of temperature-difference power generation module connection, the temperature sensor A are connect with control device, and the temperature-difference power generation module is nothing
Line apparatus and control device provide safety power supply.The valve groups such as control device and solenoid valve realize wireless control, avoid existing laying
The shortcomings that security risk that electric wire is brought.
Preferably, the wireless device includes WiFi module A and WiFi module B, and the control device includes control circuit A
With control circuit B, the WiFi module B, control circuit B and energy storage device are arranged in closed container, the WiFi module A and
Control circuit A is arranged at outdoor water pump.It is wirelessly communicated using WiFi, further realizes low-power consumption, ensure the stability of system.
Preferably, the switch unit includes showering, and the showering is arranged in return branch, the showering with
Control device connects.The triggering of system is realized by solenoid valve, it is easy to operate.
Preferably, the switch unit further includes movable termination, for setting shower temperature after being wirelessly connected with showering
The parameters such as degree.It opens system in advance by movable termination and is heated and be arranged temperature parameter etc., more convenient and hommization.
In conclusion by adopting the above-described technical solution, the beneficial effects of the invention are as follows：
1. the present invention realizes circular heating by the way that valve group combination return branch is arranged, the existing water for adding large volume is avoided
Case, which is brought, heats slow disadvantage, and low power consumption control unit is arranged, realizes wireless control constant-temperature effluent, avoids existing high pressure and wiring
The shortcomings that security risk brought, solve the water tank of existing system setting large volume and heating that blending bin is brought it is slow,
It is boosted by temperature-difference power generation module and realizes power supply while wiring being needed to realize that electrically control has security risk, reaches
Easy circular heating, low-consumption wireless control constant-temperature effluent, improve the effect of water-saving performance, energy-efficient performance and security performance；
2. the present invention uses the power supply circuit of low-power consumption for system power supply, ensure to realize automatic temperature-control control in the case of safety
System；Power supply is water-saving and energy saving using the thermo-electric generation of hot water and environment essentially from the temperature difference；
3. the present invention is wirelessly controlled, judge after detecting temperature, autocontrol valve and water pump are adjusted
Temperature, the security risk for preventing existing laying wire from bringing；
4. present invention setting check valve and solenoid valve and the water pump of external power supply power supply, it is not necessary that water tank and mixed water is arranged
Case can be realized temperature adjustment, reduce volume, and constant-temperature effluent and safe can be realized in simplicity operation；
5. the switch unit of temperature adjustment parameter can be arranged by setting for low power consumption control unit of the present invention, it can be arranged in advance and add
Warm temperature and time, human oriented design is easy to operate, and low energy-consumption electronic device ensures the stabilization and safety of system operation.
Description of the drawings
Examples of the present invention will be described by way of reference to the accompanying drawings, wherein：
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is temperature-difference power generation module scheme of installation；
Fig. 3 is temperature-difference power generation module front view；
Label declaration：1- cooling water inlets, 2- water pumps, 3- control circuits A, 4-WiFi modules A, 5- gas heaters, 6- heat
Water out, 7- showerings, 8- temperature-difference power generation modules, 9- temperature sensors A, 10- temperature sensor B, 11- clad, 12- energy storage
Device, 13- control circuits B, 14-WiFi module B, 15- solenoid valve, 16- nozzles, 17- return branch, 18- check valves, 19- water
Pipe, 20- closed containers, the hot junctions 21- fine aluminium heat conducting module, 22- semiconductor coolers, 23- cold end fine aluminium radiating modules, 24- gold
Belong to heat dissipation foot, 25- sealing rings.
Specific implementation mode
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates with reference to Fig. 1-3 couples of present invention.
Embodiment 1
A kind of constant-temperature effluent, water-saving control system based on gas heater, including gas heater 5 and gas and hot water
The switch unit of water pipe 19, the nozzle 16 and control system that are connect with water pipe 19 that device 5 connects, water pipe 19 include one end and hot water
The return branch 17 that 6 ends connect and the other end is connect with 1 end of cooling water inlet is exported, is provided in return branch 17 for controlling water
Stream realizes that the valve group of waterway circulating and control valve group realize constant-temperature effluent and water-saving wireless low-power consumption control unit, switch unit
It is additionally operable to setting control parameter.
Operation principle：After detecting 19 temperature of water pipe by temperature sensor A9, control device passes through wireless device wireless controlled
The opening and closing of valve processed realizes that pipeline loop circulating-heating, the power supply of whole system are all from temperature-difference power generation module 8 and energy storage device
12, temperature sensor A9 detect 19 temperature of water pipe, and temperature sensor B10 detects environment temperature, utilizes bath tubs 19 and air
The temperature difference generate electricity, realize low-power consumption, the disadvantage for avoiding the heating that the mixed water tank for adding large volume and water tank bring slow is adopted
With low power consumption control unit, device is powered in order to control, avoids the security risk that existing high pressure belt comes, solves existing system
The water tank of large volume is set and heating that blending bin is brought is slow, is boosted by temperature-difference power generation module 8 and realizes that power supply has safety
The problem of hidden danger.
Embodiment 2
Valve group includes the check valve 18 being arranged in return branch 17 and the solenoid valve 15 for controlling the sprinkling of nozzle 16, list
To the setting of valve 18 at 17 cooling water inlet of return branch, 1 end, for controlling the hot water from hot water outlet 6 and not up to set temperature
Cooling water inlet 1 is flowed to via return branch 17, solenoid valve 15 is arranged in 16 proximal end of nozzle, and solenoid valve 15 and check valve 18 are by nothing
Line low power consumption control unit is powered.Valve group further includes the water pump 2 being arranged outside bathroom, and water pump 2 is powered by external power supply.Water pump 2
Power supply provided by external power supply, remaining power supply is provided by thermo-electric generation and storing up electricity, and voltage is that (safe voltage is at least by 5V
Less than 5V), avoid existing temperature-difference power generation module 8 need boosting (voltage 12V) bring security risk the shortcomings that.
Embodiment 3
Wireless low-power consumption control unit includes winding the thermo-electric generation mould being arranged in return branch 17 by clad 11
Block 8, the closed container 20, the temperature sensor A9 that is connect with temperature-difference power generation module 8 and temperature that are arranged in 11 lower end of clad pass
Sensor B10, temperature sensor A9 are arranged in temperature-difference power generation module 8, are used for the temperature of water gage glass 19 and water, temperature sensor
B10 is arranged in 8 outer surface of temperature-difference power generation module, for surveying environment temperature；Be provided in closed container 20 wireless device, with it is wireless
The control device that device is electrically connected and the energy storage device 12 being connect with temperature-difference power generation module 8, temperature sensor A9 are filled with control
Connection is set, temperature-difference power generation module 8 provides safety power supply for wireless device and control device；Wireless device include WiFi module A4 and
WiFi module B14, the control device include control circuit A3 and control circuit B13, the WiFi module B14, control circuit
B13 and energy storage device 12 are arranged in closed container 20, and the WiFi module A4 and control circuit A3 are arranged in outdoor water pump 2
Place；Temperature sensor A9 and temperature sensor B10 uses DS18B20, temperature-difference power generation module to use TEC1-12706T200, WiFi
Modules A 4 and WiFi module B14 are using ZBT series or HLK series, and low in energy consumption, the voltage of thermo-electric generation is enough to power for it,
Ensure stability and the safety of low power operation；The front view of temperature-difference power generation module 8 is as shown in Figure 3：It sets successively from top to bottom
It is set to hot junction fine aluminium heat conducting module 21, semiconductor cooler 22, cold end fine aluminium radiating module 23 and heat dissipation metal foot 24；Wherein half
Conductor refrigerator 22 is arranged in sealing ring 25, and closely binds in hot junction fine aluminium heat conducting module 21 and cold end fine aluminium radiating module
Between 23, as shown in Figure 2：Clad 11 is installed on the water pipe 19 for closing on nozzle 16, then the fixed temperature on clad 11
Poor electricity generation module 8 can be binded contact surface with heat conductive silica gel, and be fixed with screw, WiFi module B14, control circuit B13 and storage
Energy device 12 is then encapsulated in thermal insulation glue in closed container 20, and closed container 20 is installed under clad 11, can both prevent from pacifying
Full hidden danger, and do not influence wireless signal.Similarly the control circuit A3 at water pump 2 and WiFi module A4 also do encapsulation process；It will
Wireless low-power consumption control unit in closed container 20, can prevent steam and splashing in bathroom from being made to circuit with sealant sealing
At adverse effect, make device long-term stable operation and without security risk.
Embodiment 4
Switch unit includes showering 7, and showering 7 is arranged in return branch 17, and showering 7 is connect with control device；
Switch unit further includes movable termination, for the parameters such as setting shower temperature after being wirelessly connected with showering 7.Pass through solenoid valve
15 realize the triggering of system, and easy to operate, system of being opened in advance by movable termination is heated and be arranged temperature parameter etc.,
More convenient and hommization.
Embodiment 5
System is opened by switch unit when bathing, if selection showering 7 is opened, energy storage device 12 plays a role, and drives
Entire circuit work, until gas heater 5 is in steady-working state.When water temperature is sufficiently large, temperature-difference power generation module 8 is whole
A circuit power supply, and be that energy storage device 12 charges again, this cyclic process ensure that the self-powered of entire circuit；Combustion gas heat
When hydrophone 5 is just opened, water temperature is not heated to up to specified value, when temperature sensor A9 detects water temperature, water temperature signal feedback
Control circuit B13 is given, control circuit B13 closes solenoid valve 15, while controlling WiFi module B14 and sending a signal to cooling water inlet 1
The WiFi module A4 at place, control circuit A3 herein are connected to signal and open water pump 2 immediately, due to the effect of check valve 18, flow
Return branch 17 is flowed to, then flows into after gas heater 5 heats via cooling water inlet 1 from return branch 17 and is flowed from hot water outlet 6
Go out, such circulating-heating；After temperature sensor A9 detects that water temperature reaches specified value, control circuit B13 opens solenoid valve 15,
Check valve 18 is closed, and hot water is flowed out from nozzle 16.The present invention realizes circular heating by the way that valve group combination return branch 17 is arranged, and keeps away
Exempt from the existing water tank belt for adding large volume to heat slow disadvantage, low power consumption control unit is set, realizes wireless control constant temperature
The shortcomings that water outlet, the security risk for avoiding existing high pressure and wiring tape from, solves the water storage of existing system setting large volume
The heating that case and blending bin are brought is boosted slowly, by temperature-difference power generation module 8 to be realized power supply while needing wiring realization electrically control
There are problems that security risk, reached easy circular heating, low-consumption wireless controls constant-temperature effluent, improves water-saving performance, section
The effect of energy performance and security performance.
Claims (8)
1. a kind of constant-temperature effluent, water-saving control system based on gas heater, including gas heater (5) and gas and hot water
The water pipe (19) of device (5) connection, the switch unit of the nozzle (16) and control system that are connect with water pipe (19), it is characterised in that：
The water pipe (19) includes one end and the connection of hot water outlet (6) end and the return branch of the other end and the connection of cooling water inlet (1) end
(17), it is provided on the return branch (17) and realizes that the valve group of waterway circulating and control valve group realize constant temperature for controlling flow
Water outlet and water-saving wireless low-power consumption control unit, the switch unit are additionally operable to setting control parameter.
2. a kind of constant-temperature effluent, water-saving control system based on gas heater according to claim 1, feature exist
In：The valve group includes the check valve (18) being arranged in return branch (17) and the solenoid valve for controlling nozzle (16) sprinkling
(15), the check valve (18) setting is held in return branch (17) cooling water inlet (1), for controlling from hot water outlet (6) and
Not up to the hot water of set temperature flows to cooling water inlet (1) via return branch (17), and the solenoid valve (15) is arranged in nozzle
(16) proximal end, the solenoid valve (15) and check valve (18) are powered by wireless low-power consumption control unit.
3. a kind of constant-temperature effluent, water-saving control system based on gas heater according to claim 2, feature exist
In：The valve group further includes the water pump (2) being arranged outside bathroom, and the water pump (2) is powered by external power supply.
4. a kind of constant-temperature effluent, water-saving control system based on gas heater according to claim 3, feature exist
In：The wireless low-power consumption control unit includes the thermo-electric generation being arranged in return branch (17) by clad (11) winding
Closed container (20) in clad (11) lower end of module (8), setting, the temperature sensor A that is connect with temperature-difference power generation module (8)
(9) and temperature sensor B (10), temperature sensor A (9) setting are used for water gage glass (19) in temperature-difference power generation module (8)
With the temperature of water, the temperature sensor B (10) is arranged in temperature-difference power generation module (8) outer surface, for surveying environment temperature.
5. a kind of constant-temperature effluent, water-saving control system based on gas heater according to claim 4, feature exist
In：The control device and and thermo-electric generation for being provided with wireless device in the closed container (20), being electrically connected with wireless device
The energy storage device (12) of module (8) connection, the temperature sensor A (9) connect with control device, the temperature-difference power generation module
(8) safety power supply is provided for wireless device and control device.
6. a kind of constant-temperature effluent, water-saving control system based on gas heater according to claim 5, feature exist
In：The wireless device includes WiFi module A (4) and WiFi module B (14), the control device include control circuit A (3) and
Control circuit B (13), the WiFi module B (14), control circuit B (13) and energy storage device (12) are arranged in closed container (20)
Interior, the WiFi module A (4) and control circuit A (3) are arranged at outdoor water pump (2).
7. a kind of constant-temperature effluent, water-saving control system based on gas heater according to claim 1, feature exist
In：The switch unit includes showering (7), and the showering (7) is arranged in return branch (17), the showering (7)
It is connect with control device.
8. a kind of constant-temperature effluent, water-saving control system based on gas heater according to claim 7, feature exist
In：The switch unit further includes movable termination, for the parameters such as setting shower temperature after being wirelessly connected with showering (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810132757 | 2018-02-09 | ||
| CN2018101327574 | 2018-02-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108548328A true CN108548328A (en) | 2018-09-18 |
Family
ID=63514052
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820462642.7U Expired - Fee Related CN208536396U (en) | 2018-02-09 | 2018-03-30 | A kind of constant-temperature effluent based on gas heater, water-saving control system |
| CN201810291098.9A Pending CN108548328A (en) | 2018-02-09 | 2018-03-30 | A kind of constant-temperature effluent, water-saving control system based on gas heater |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820462642.7U Expired - Fee Related CN208536396U (en) | 2018-02-09 | 2018-03-30 | A kind of constant-temperature effluent based on gas heater, water-saving control system |
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| CN (2) | CN208536396U (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208536396U (en) * | 2018-02-09 | 2019-02-22 | 何奕 | A kind of constant-temperature effluent based on gas heater, water-saving control system |
| CN113465222A (en) * | 2021-07-07 | 2021-10-01 | 寒地黑土能源科技有限公司 | Solar remote control absorption refrigeration system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534670A (en) * | 2015-01-16 | 2015-04-22 | 靳肖骁 | Bathroom water saving method |
| CN105423567A (en) * | 2016-01-15 | 2016-03-23 | 苏州创必成电子科技有限公司 | Controller of thermoelectric power generation gas water heater |
| CN105805952A (en) * | 2016-02-15 | 2016-07-27 | 广东万家乐燃气具有限公司 | Instant heating gas water heater circulating pipeline control system |
| CN107101360A (en) * | 2017-05-13 | 2017-08-29 | 广东万家乐燃气具有限公司 | A kind of hot water cyclesystem and control method with self power generation |
| CN208536396U (en) * | 2018-02-09 | 2019-02-22 | 何奕 | A kind of constant-temperature effluent based on gas heater, water-saving control system |
-
2018
- 2018-03-30 CN CN201820462642.7U patent/CN208536396U/en not_active Expired - Fee Related
- 2018-03-30 CN CN201810291098.9A patent/CN108548328A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104534670A (en) * | 2015-01-16 | 2015-04-22 | 靳肖骁 | Bathroom water saving method |
| CN105423567A (en) * | 2016-01-15 | 2016-03-23 | 苏州创必成电子科技有限公司 | Controller of thermoelectric power generation gas water heater |
| CN105805952A (en) * | 2016-02-15 | 2016-07-27 | 广东万家乐燃气具有限公司 | Instant heating gas water heater circulating pipeline control system |
| CN107101360A (en) * | 2017-05-13 | 2017-08-29 | 广东万家乐燃气具有限公司 | A kind of hot water cyclesystem and control method with self power generation |
| CN208536396U (en) * | 2018-02-09 | 2019-02-22 | 何奕 | A kind of constant-temperature effluent based on gas heater, water-saving control system |
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| Publication number | Publication date |
|---|---|
| CN208536396U (en) | 2019-02-22 |
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