CN107906733A - Save water and energy combustion gas shower system and its control method - Google Patents

Save water and energy combustion gas shower system and its control method Download PDF

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Publication number
CN107906733A
CN107906733A CN201711247859.2A CN201711247859A CN107906733A CN 107906733 A CN107906733 A CN 107906733A CN 201711247859 A CN201711247859 A CN 201711247859A CN 107906733 A CN107906733 A CN 107906733A
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CN
China
Prior art keywords
water
gas heater
caching
outlet
automatically controlled
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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.)
Pending
Application number
CN201711247859.2A
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Chinese (zh)
Inventor
李建雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xinyi Jia Jia Stainless Steel Products Co Ltd
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Xinyi Jia Jia Stainless Steel Products Co Ltd
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Filing date
Publication date
Application filed by Xinyi Jia Jia Stainless Steel Products Co Ltd filed Critical Xinyi Jia Jia Stainless Steel Products Co Ltd
Priority to CN201711247859.2A priority Critical patent/CN107906733A/en
Publication of CN107906733A publication Critical patent/CN107906733A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H1/00Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/10Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium
    • F24H1/107Continuous-flow heaters, i.e. heaters in which heat is generated only while the water is flowing, e.g. with direct contact of the water with the heating medium using fluid fuel
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24HFLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00Details
    • F24H9/20Arrangement or mounting of control or safety devices
    • F24H9/2007Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035Arrangement or mounting of control or safety devices for water heaters using fluid fuel

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

The present invention proposes one kind and saves water and energy combustion gas shower system and its control method, it can be not suitable for the water waste of shower to avoid temperature, so as to fulfill the purpose saved water and energy.The combustion gas shower system of saving water and energy includes controller, gas heater, caching water tank, water pump, temperature sensor and the outlet pipe for being connected with shower, the water inlet of gas heater is connected with running water pipe, caching water tank respectively by automatically controlled two-port valve of intaking, and water pump is connected between the automatically controlled two-port valve of water and caching water tank;The water outlet of gas heater is connected with caching water tank, outlet pipe respectively by the automatically controlled two-port valve of water outlet;The running water pipe is also by aiding in water inlet electrically-controlled valve to be connected with caching water tank;The temperature of the temperature sensor detection gas heater water outlet, the controller are connected with temperature sensor, gas heater, the automatically controlled two-port valve of water inlet, the automatically controlled two-port valve of water outlet, auxiliary water inlet electrically-controlled valve, water pump respectively.

Description

Save water and energy combustion gas shower system and its control method
Technical field
The present invention relates to a kind of shower system.
Background technology
When being taken a shower using combustion gas shower system, for safety, gas heater will be mounted in outdoor, it is with shower at a distance of one Fixed distance, in order to wait lower water temperature always to waste a part to suitable temperature and be originally stored in gas heater and flower The clean water in pipeline is spilt, according to statistics, the level that shower wastes every time reaches several litres, and the family for that will take a shower daily For front yard, the water rate of this part is also a no small spending, it is therefore necessary to which the part water resource can be utilized by designing one kind Combustion gas shower system.
The content of the invention
Save water and energy combustion gas shower system and its control method the purpose of the present invention is to propose to one kind, it can be to avoid temperature Be not suitable for the water waste of shower, so as to fulfill the purpose saved water and energy.
The combustion gas shower system of saving water and energy of the present invention includes controller, gas heater, caching water tank, water pump, temperature Sensor and the outlet pipe for being connected with shower, the water inlet of the gas heater by intake automatically controlled two-port valve respectively with Running water pipe, caching water tank are connected, so that the water inlet of gas heater is alternatively connected with running water pipe or caching water tank;Institute Water pump is stated to be connected between the automatically controlled two-port valve of water and caching water tank;The water outlet of gas heater passes through the automatically controlled two-port valve of water outlet It is connected respectively with caching water tank, outlet pipe, so that the water outlet of gas heater is alternatively connected with caching water tank or outlet pipe; The running water pipe is also by aiding in water inlet electrically-controlled valve to be connected with caching water tank;The temperature sensor detection gas heater goes out The temperature at the mouth of a river, the controller respectively with temperature sensor, gas heater, the automatically controlled two-port valve of water inlet, the automatically controlled two-way of water outlet Valve, auxiliary water inlet electrically-controlled valve, water pump connection.
The control method of above-mentioned combustion gas shower system of saving water and energy specifically includes following step:
Whether controller detection gas heater works, if gas heater is in working condition, controller is passed by temperature Sensor detects the temperature of gas heater water outlet, and when outlet temperature is less than predetermined temperature, controller control water inlet is automatically controlled Two-port valve and the automatically controlled two-port valve of water outlet, make the water inlet of gas heater only be connected with caching water tank, make going out for gas heater The mouth of a river is only connected with caching water tank, while controller control starting mode of pump, makes the water in caching water tank in caching water tank and combustion gas Circulated between water heater;When gas heater outlet temperature reaches predetermined temperature, controller control water outlet automatically controlled two Port valve, makes the water outlet of gas heater only be connected with outlet pipe, while opens auxiliary water inlet electrically-controlled valve, makes in caching water tank Current are caching water tank moisturizing to gas heater, and using running water pipe;After the gas water heater working scheduled time, control The automatically controlled two-port valve of device control water inlet, makes the water inlet of gas heater only be connected with running water pipe, simultaneously closes off water pump and auxiliary Water inlet electrically-controlled valve;When gas heater is off working state, the automatically controlled two-port valve of controller control water inlet and the automatically controlled two-way of water outlet Valve, makes the water inlet of gas heater only be connected with running water pipe, the water outlet of gas heater is only connected with outlet pipe, together When close auxiliary water inlet electrically-controlled valve.
Further, the controller is microcontroller, so that control is simpler reliable.
The operation principle of above-mentioned combustion gas shower system of saving water and energy is as follows:
The temperature of gas heater is set first, such as is said and set leaving water temperature as 36 DEG C, after the cold water pipe for opening shower, by In the demand of no hot water, gas heater does not work, the automatically controlled two-port valve of the water inlet of controller control at this time and the automatically controlled two-way of water outlet Valve, makes the water inlet of gas heater only be connected with running water pipe, the water outlet of gas heater is only connected with outlet pipe, and Close auxiliary water inlet electrically-controlled valve, shower directly use running water pipe tap water, without being subjected to gas heater heating with And the caching of caching water tank(Above-mentioned tap water will pass through gas heater), and cache the water in water tank and remain unchanged.
, it is necessary to which gas heater heats water after user opens the hot water of shower, combustion gas at this moment will be triggered Water heater is started to work, and gas heater sends the working state signal of startup to controller, and controller detects gas and hot water After device is in running order, using the temperature of temperature sensor detection gas heater water outlet, in outlet temperature less than pre- Constant temperature degree(36 DEG C of the leaving water temperature of i.e. above-mentioned setting)When, controller controls intake automatically controlled two-port valve and the automatically controlled two-port valve of water outlet, The water inlet of gas heater is only connected with caching water tank, the water outlet of gas heater is only connected with caching water tank, together When controller control starting mode of pump, water in caching water tank is circulated between caching water tank and gas heater(At this time Auxiliary water inlet electrically-controlled valve remains off).Shower will suspend water supply after of short duration cold water water outlet at this time, caching Water in water tank is after the heating by gas heater, water temperature rise, then flow back into caching water tank, then again by water pump Gas heater is re-supplied to be heated, until the water temperature of the water outlet of gas heater reaches predetermined temperature, this time control Device processed controls the automatically controlled two-port valve of water outlet, the water outlet of gas heater is only connected with outlet pipe, while open and aid in into water power Valve is controlled, shower starts to obtain the supply of hot water, and the warm water that the hot water comes from caching water tank passes through gas heater again After heating, water tank is cached at this time and utilizes running water pipe moisturizing, therefore can continue supply gas heater.
After the gas water heater working scheduled time, the water temperature in water tank is cached in the influence of the tap water newly supplemented Lower reduction, the automatically controlled two-port valve of the water inlet of controller control at this time, makes the water inlet of gas heater only be connected with running water pipe, at the same time Water inlet electrically-controlled valve is switched off the pump and aids in, the water at this moment cached in water tank remains unchanged, and the water inlet of gas heater comes from certainly Carry out water pipe, gas heater directly heats tap water and is fed to water outlet pipe part.
When gas heater is off working state, the automatically controlled two-port valve of controller control water inlet and the automatically controlled two-port valve of water outlet, The water inlet of gas heater is only connected with running water pipe, the water outlet of gas heater is only connected with outlet pipe, at the same time Close auxiliary water inlet electrically-controlled valve.
Will caching water tank be arranged near shower, so when needing use hot water, gas heater with cache water tank and The cold water that pipeline between shower is accumulated would not be directly over shower outflow and waste, but in caching water tank and combustion gas heat Circulate and heated between hydrophone, until the outlet temperature of gas heater reaches pre-provisioning request, combustion gas at this time is hot The temperature for the water that pipeline between hydrophone and caching water tank and shower is accumulated also can be close to the water outlet temperature of gas heater Degree, can be used for taking a shower, which reduces the waste of water.Water in caching water tank is constantly slow during lower water temperature Circulated between water tank and gas heater, therefore its water temperature can be raised constantly, and in gas heater water outlet temperature After degree reaches predetermined temperature, it is to carry out hot water supply using the water cached in water tank first, can so makes full use of caching Hot water in water tank, rather than this part hot water lain idle, natural cooling, the hot water in water tank to be cached is depleted soon When, just heated using the water of running water pipe and hot water is provided.
Compared to traditional gas heater shower system, combustion gas shower system of saving water and energy of the invention is additionally arranged caching The water for being not used to take a shower during adjusting water temperature, can be cached, reduce the waste of this part water by water tank automatically, and The hot water cached in water tank can also be utilized, take full advantage of the thermal energy of gas heater.
Brief description of the drawings
Fig. 1 is the principle schematic of the combustion gas shower system of saving water and energy of the present invention.
Attached drawing indicates:1st, controller;2nd, gas heater;3rd, water tank is cached;4th, water pump;5th, outlet pipe;6th, intake automatically controlled Two-port valve;7th, running water pipe;8th, the automatically controlled two-port valve of water outlet;9th, temperature sensor;10th, auxiliary water inlet electrically-controlled valve.
Embodiment
Below against attached drawing, by the description to embodiment, for example involved to the embodiment of the present invention is each Mutual alignment and connection relation, the effect of each several part and operation principle between the shape of component, construction, each several part etc. are made into one The detailed description of step.
Embodiment 1:
As shown in Figure 1, the combustion gas shower system of saving water and energy of the present embodiment includes controller 1, gas heater 2, caching water tank 3rd, water pump 4, temperature sensor 9 and the outlet pipe 5 for being connected with shower, the water inlet of the gas heater 2 pass through water inlet Automatically controlled two-port valve 6 respectively with running water pipe 7, caching water tank 3 be connected so that the water inlet of gas heater 2 alternatively with originally Water pipe 7 or caching water tank 3 connect;The water pump 4 is connected between the automatically controlled two-port valve 6 of water and caching water tank 3;Gas heater 2 water outlet is connected with caching water tank 3, outlet pipe 5 respectively by the automatically controlled two-port valve 8 of water outlet, so that the water outlet of gas heater 2 Mouth is alternatively connected with caching water tank 3 or outlet pipe 5;The running water pipe 7 is also by aiding in water inlet electrically-controlled valve 10 and caching water Case 3 is connected;The temperature sensor 9 detects the temperature of 2 water outlet of gas heater, the controller 1 respectively with temperature sensing Device 9, gas heater 2, the automatically controlled two-port valve 6 of water inlet, the automatically controlled two-port valve 8 of water outlet, auxiliary water inlet electrically-controlled valve 10, water pump 4 connect.
In the present embodiment, controller 1 is manufactured using microcontroller, its internal corresponding program is all most common switch control Processing procedure sequence, details are not described herein again.
The control method of above-mentioned combustion gas shower system of saving water and energy specifically includes following step:
Controller 1 detects whether gas heater 2 works, if gas heater 2 is in working condition, controller 1 passes through temperature Spend sensor 9 detect 2 water outlet of gas heater temperature, when outlet temperature is less than predetermined temperature, controller 1 control into Water power control two-port valve 6 and the automatically controlled two-port valve 8 of water outlet, make the water inlet of gas heater 2 only be connected with caching water tank 3, make combustion gas The water outlet of water heater 2 is only connected with caching water tank 3, while controller 1 controls water pump 4 to start, and the water in caching water tank 3 is existed Circulated between caching water tank 3 and gas heater 2;When 2 outlet temperature of gas heater reaches predetermined temperature, control Device 1 controls the automatically controlled two-port valve 8 of water outlet, the water outlet of gas heater 2 is only connected with outlet pipe 5, while opens auxiliary water inlet Electrically-controlled valve 10, makes the current in caching water tank 3 to gas heater 2, and is caching 3 moisturizing of water tank using running water pipe 7;Firing Gas water heater 2 worked after the scheduled time, and the control of controller 1 is intake automatically controlled two-port valve 6, make the water inlet of gas heater 2 only with Running water pipe 7 connects, and simultaneously closes off water pump 4 and auxiliary water inlet electrically-controlled valve 10;When gas heater 2 is off working state, control Device 1 processed controls intake automatically controlled two-port valve 6 and the automatically controlled two-port valve 8 of water outlet, makes the water inlet and running water pipe 7 of gas heater 2 Connection, makes the water outlet of gas heater 2 only be connected with outlet pipe 5, simultaneously closes off auxiliary water inlet electrically-controlled valve 10.
The operation principle of above-mentioned combustion gas shower system of saving water and energy is as follows:
The temperature of gas heater 2 is set first, such as is said and set leaving water temperature as 36 DEG C, after the cold water pipe for opening shower, Due to the demand of no hot water, gas heater 2 does not work, and the automatically controlled two-port valve 6 of the water inlet of the control of controller 1 at this time and water outlet are automatically controlled Two-port valve 8, makes the water inlet of gas heater 2 only be connected with running water pipe 7, makes water outlet and the water outlet of gas heater 2 Pipe 5 connects, and closes auxiliary water inlet electrically-controlled valve 10, and shower directly uses the tap water of running water pipe 7, without being subjected to combustion gas heat The heating of hydrophone 2 and the caching for caching water tank 3(Above-mentioned tap water will pass through gas heater 2), and cache the water in water tank 3 Remain unchanged.
, it is necessary to which gas heater 2 heats water after user opens the hot water of shower, combustion gas at this moment will be triggered Water heater 2 is started to work, and gas heater 2 sends the working state signal of startup to controller 1, and controller 1 detects combustion gas After water heater 2 is in running order, the temperature of 2 water outlet of gas heater is detected using temperature sensor 9, in outlet temperature Less than predetermined temperature(36 DEG C of the leaving water temperature of i.e. above-mentioned setting)When, the automatically controlled two-port valve 6 of the control water inlet of controller 1 and water outlet are automatically controlled Two-port valve 8, makes the water inlet of gas heater 2 only be connected with caching water tank 3, makes the water outlet and caching of gas heater 2 Water tank 3 connects, while controller 1 controls water pump 4 to start, and makes the water in caching water tank 3 in caching water tank 3 and gas heater 2 Between circulate(Auxiliary water inlet electrically-controlled valve 10 remains off at this time).Shower is after of short duration cold water water outlet at this time, Water supply will be suspended, cache the water in water tank 3 after the heating by gas heater 2, water temperature rise, then flow back into slow In water tank 3, gas heater 2 is then re-supplied to by water pump 4 again and is heated, until the water outlet of gas heater 2 Water temperature reach predetermined temperature, at this time controller 1 control the automatically controlled two-port valve 8 of water outlet, make gas heater 2 water outlet only with going out Water pipe 5 connects, while opens auxiliary water inlet electrically-controlled valve 10, and shower starts to obtain the supply of hot water, and the hot water comes from delaying The warm water of water tank 3 caches water tank 3 and utilizes 7 moisturizing of running water pipe, therefore at this time after gas heater 2 heats again It can continue supply gas heater 2.
After gas heater 2 works the scheduled time, the water temperature in water tank 3 is cached in the shadow of the tap water newly supplemented Lower reduction is rung, the automatically controlled two-port valve 6 of the water inlet of the control of controller 1 at this time, makes the water inlet of gas heater 2 only connect with running water pipe 7 It is logical, simultaneously close off water pump 4 and auxiliary water inlet electrically-controlled valve 10, the water at this moment cached in water tank 3 remain unchanged, gas heater 2 Water inlet comes from running water pipe 7, and gas heater 2 directly heats tap water and is fed at outlet pipe 5.
When gas heater 2 is off working state, the automatically controlled two-port valve 6 of the control water inlet of controller 1 and the automatically controlled two-way of water outlet Valve 8, makes the water inlet of gas heater 2 only be connected with running water pipe 7, the water outlet of gas heater 2 is only connected with outlet pipe 5 It is logical, simultaneously close off auxiliary water inlet electrically-controlled valve 10.
Caching water tank 3 is arranged near shower, so when needing to use hot water, gas heater 2 and caching water tank 3 And the cold water that the pipeline between shower is accumulated would not be directly over shower outflow and waste, but in caching water tank 3 and combustion Circulate and heated between gas water heater 2, until the outlet temperature of gas heater 2 reaches pre-provisioning request, at this time The temperature for the water that pipeline between gas heater 2 and caching water tank 3 and shower is accumulated also can be close to gas heater 2 Outlet temperature, can be used for taking a shower, and which reduces the waste of water.The water in water tank 3 is cached during lower water temperature Constantly circulated between caching water tank 3 and gas heater 2, therefore its water temperature can be raised constantly, and in combustion gas heat After 2 outlet temperature of hydrophone reaches predetermined temperature, it is to carry out hot water supply using the water cached in water tank 3 first, so may be used To make full use of the hot water in caching water tank 3, rather than this part hot water lain idle, natural cooling, in water tank 3 to be cached Hot water when be depleted soon, just heated using the water of running water pipe 7 and hot water be provided.

Claims (3)

  1. The combustion gas shower system 1. one kind is saved water and energy, it is characterised in that including controller, gas heater, caching water tank, water pump, Temperature sensor and the outlet pipe for being connected with shower, the water inlet of the gas heater pass through automatically controlled two-port valve point of intaking It is not connected with running water pipe, caching water tank, so that the water inlet of gas heater alternatively connects with running water pipe or caching water tank It is logical;The water pump is connected between the automatically controlled two-port valve of water and caching water tank;The water outlet of gas heater is automatically controlled by water outlet Two-port valve is connected with caching water tank, outlet pipe respectively, so that the water outlet of gas heater is alternatively with caching water tank or water outlet Pipe connects;The running water pipe is also by aiding in water inlet electrically-controlled valve to be connected with caching water tank;The temperature sensor detects combustion gas The temperature of water heater mouth, the controller respectively with temperature sensor, gas heater, the automatically controlled two-port valve of water inlet, water outlet Automatically controlled two-port valve, auxiliary water inlet electrically-controlled valve, water pump connection.
  2. 2. combustion gas shower system according to claim 1 of saving water and energy, it is characterised in that the controller is microcontroller.
  3. 3. the control method of combustion gas shower system according to claim 1 of saving water and energy, it is characterised in that including following step Suddenly:Whether controller detection gas heater works, if gas heater is in working condition, controller passes through temperature sensing Device detects the temperature of gas heater water outlet, when outlet temperature is less than predetermined temperature, controller control water inlet automatically controlled two Port valve and the automatically controlled two-port valve of water outlet, make the water inlet of gas heater only be connected with caching water tank, make the water outlet of gas heater Mouth is only connected with caching water tank, while controller control starting mode of pump, makes the water in caching water tank hot in caching water tank and combustion gas Circulated between hydrophone;When gas heater outlet temperature reaches predetermined temperature, the controller control automatically controlled two-way of water outlet Valve, makes the water outlet of gas heater only be connected with outlet pipe, while opens auxiliary water inlet electrically-controlled valve, makes the water in caching water tank Gas heater is flowed to, and is caching water tank moisturizing using running water pipe;After the gas water heater working scheduled time, controller Control is intake automatically controlled two-port valve, the water inlet of gas heater is only connected with running water pipe, simultaneously close off water pump and aid in into Water electrically-controlled valve;When gas heater is off working state, the automatically controlled two-port valve of controller control water inlet and the automatically controlled two-port valve of water outlet, The water inlet of gas heater is only connected with running water pipe, the water outlet of gas heater is only connected with outlet pipe, at the same time Close auxiliary water inlet electrically-controlled valve.
CN201711247859.2A 2017-12-01 2017-12-01 Save water and energy combustion gas shower system and its control method Pending CN107906733A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711247859.2A CN107906733A (en) 2017-12-01 2017-12-01 Save water and energy combustion gas shower system and its control method

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Application Number Priority Date Filing Date Title
CN201711247859.2A CN107906733A (en) 2017-12-01 2017-12-01 Save water and energy combustion gas shower system and its control method

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562048A (en) * 2018-04-18 2018-09-21 佛山市洁宇信息科技有限公司 A kind of intelligence water system
CN111426055A (en) * 2020-05-12 2020-07-17 珠海格力电器股份有限公司 Water heater and control method thereof

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007170770A (en) * 2005-12-26 2007-07-05 Nippon Thermoener Co Ltd Hot-water supply system
CN103123172A (en) * 2013-03-05 2013-05-29 义源(上海)节能环保科技有限公司 Water conservation shower device
CN105387629A (en) * 2015-12-11 2016-03-09 广东万家乐燃气具有限公司 Constant-temperature type gas water heater and control method
CN205593157U (en) * 2016-05-10 2016-09-21 四川理工学院 Water -saving gas water heater
CN106091356A (en) * 2016-07-28 2016-11-09 芜湖美的厨卫电器制造有限公司 Gas heater
CN106766231A (en) * 2017-03-07 2017-05-31 郑州职业技术学院 Shower system and its control method without cold water and Recovery of the hot water
CN106969495A (en) * 2017-03-06 2017-07-21 熊雄 Intelligent constant-temperature water-saving water heater and control method

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007170770A (en) * 2005-12-26 2007-07-05 Nippon Thermoener Co Ltd Hot-water supply system
CN103123172A (en) * 2013-03-05 2013-05-29 义源(上海)节能环保科技有限公司 Water conservation shower device
CN105387629A (en) * 2015-12-11 2016-03-09 广东万家乐燃气具有限公司 Constant-temperature type gas water heater and control method
CN205593157U (en) * 2016-05-10 2016-09-21 四川理工学院 Water -saving gas water heater
CN106091356A (en) * 2016-07-28 2016-11-09 芜湖美的厨卫电器制造有限公司 Gas heater
CN106969495A (en) * 2017-03-06 2017-07-21 熊雄 Intelligent constant-temperature water-saving water heater and control method
CN106766231A (en) * 2017-03-07 2017-05-31 郑州职业技术学院 Shower system and its control method without cold water and Recovery of the hot water

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108562048A (en) * 2018-04-18 2018-09-21 佛山市洁宇信息科技有限公司 A kind of intelligence water system
CN111426055A (en) * 2020-05-12 2020-07-17 珠海格力电器股份有限公司 Water heater and control method thereof

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Application publication date: 20180413

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