CN108036498A - A kind of gas heater and its intelligent booster control method - Google Patents

A kind of gas heater and its intelligent booster control method Download PDF

Info

Publication number
CN108036498A
CN108036498A CN201711285505.7A CN201711285505A CN108036498A CN 108036498 A CN108036498 A CN 108036498A CN 201711285505 A CN201711285505 A CN 201711285505A CN 108036498 A CN108036498 A CN 108036498A
Authority
CN
China
Prior art keywords
water
intelligent
circulating pump
flow
gas heater
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.)
Pending
Application number
CN201711285505.7A
Other languages
Chinese (zh)
Inventor
王波
艾磊
段莹
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.)
Chengdu Chiffo Electronics Co Ltd
Original Assignee
Chengdu Chiffo Electronics Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Chengdu Chiffo Electronics Co Ltd filed Critical Chengdu Chiffo Electronics Co Ltd
Priority to CN201711285505.7A priority Critical patent/CN108036498A/en
Publication of CN108036498A publication Critical patent/CN108036498A/en
Pending legal-status Critical Current

Links

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
    • F24H1/12Continuous-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 in which the water is kept separate from the heating medium
    • F24H1/14Continuous-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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form
    • F24H1/145Continuous-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 in which the water is kept separate from the heating medium by tubes, e.g. bent in serpentine form 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
    • F24H9/18Arrangement or mounting of grates or heating means
    • F24H9/1809Arrangement or mounting of grates or heating means for water heaters
    • F24H9/1832Arrangement or mounting of combustion heating means, e.g. grates or burners
    • F24H9/1836Arrangement or mounting of combustion heating means, e.g. grates or burners 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

Landscapes

  • 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)
  • Steam Or Hot-Water Central Heating Systems (AREA)
  • Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)

Abstract

The invention discloses a kind of gas heater, including:Shell, the enclosure are disposed with heat exchanger, intelligent cabin combustion chamber, direct current brushless motor and gas ratio valve from top to bottom;The enclosure is additionally provided with Switching Power Supply;The enclosure is additionally provided with intelligent controller, water circulating pump, environment temperature sensor and flow sensor;The intelligent controller is connected with water circulating pump, environment temperature sensor, flow sensor, Switching Power Supply, intelligent cabin combustion chamber, gas ratio valve and direct current brushless motor respectively by circuit;Intelligent booster control method based on the gas heater with water circulating pump, supercharging, which is run, for small flow starts water heater, in pressurization, after user closes tap, stop water circulating pump immediately, prevent water circulating pump from continuing to run with, cause to build the pressure, extend water pump service life, prevent hot water from overheating, scald user.

Description

A kind of gas heater and its intelligent booster control method
Technical field
The present invention relates to technical field of water heaters, and in particular to a kind of gas heater and its intelligent booster control method.
Background technology
Since urban parts cell is less than normal there are tap water pressure, along with high-storey hydraulic pressure is unstable, gas heater It is difficult to normally start, user is caused to be unable to normal use to hot water situation.
In order to meet the water demand of this certain customers, the gas heater with function of increasing pressure starts gradually commercially Occur, and liked deeply by user.The type gas heater is internally provided with a small-sized water circulating pump, user with Before hot water, first start water pump, water pump can be extracted into the cold water in the water pipe in user family water heater and here be heated, and heat Hot water afterwards is transported in the water pipe in user family again, so as to solve that hydraulic pressure is low also to start gas heater.But work as user When wanting the hot water using small flow, gas heater is inadequate due to hydraulic pressure, it is impossible to and it is normal to start, cause water temperature unstable;Or work as When water circulating pump is in running order, user closes tap, and water heater control program may not detect this action, Cause water pump to be stopped, so can not only seriously affect water pump service life, but also also result in water temperature and persistently raise, User may be scalded.
The content of the invention
To solve the above-mentioned problems, it is an object of the invention to provide a kind of gas heater and its intelligent booster controlling party Method, based on the gas heater with circulating pump, in pressurization, after user closes tap, stops water circulating pump immediately, Prevent water circulating pump from continuing to run with, cause to build the pressure, extend water pump service life, prevent hot water from overheating, scald user.
In order to realize the above object the technical solution adopted by the present invention is:
A kind of gas heater, including:Shell, the enclosure are disposed with heat exchanger, intelligent cabin from top to bottom Combustion chamber, direct current brushless motor and gas ratio valve;The bottom of the shell offer hot water outlet, fuel gas inlet and cold water into Mouthful;The enclosure is additionally provided with Switching Power Supply;The enclosure is additionally provided with intelligent controller, water circulating pump, environment Temperature sensor and flow sensor;The outer casing bottom is further opened with backwater import;It is described around water receiving pipe on the heat exchanger Water pipe input end is connected with the water circulating pump port of export, and pipe outlet end is connected with hot water outlet;The backwater import and cold water into Mouth is connected by threeway with water circulating pump entrance;The fuel gas inlet is connected by gas ratio valve with intelligent cabin combustion chamber;Institute State direct current brushless motor and be arranged at intelligent cabin bottom of combustion chamber.
Control panel is provided with the shell, the control panel sends signal by circuit to intelligent controller;Institute Flow sensor is stated to be used to send the water flow variable signal detected to intelligent controller;The intelligent controller identification letter Number, and send start and stop instruction to water circulating pump, intelligent cabin combustion chamber, gas ratio valve and direct current brushless motor.
It is further that the flow sensor is disposed in proximity to the inside backwater pipe surface of backwater import.
It is further that supercharging button, switch button, temperature adjustment buttons and display screen are set on the control panel.
Using above-mentioned technical proposal, flow sensor is used to detect water flow;Control panel is used for heater switch, temperature Setting, pattern switching and display working condition.
A kind of intelligent booster control method of gas heater, comprises the following steps:
Step 1:When needing small flow to use hot water, the supercharging button on control panel is clicked on, when the current in pipeline When amount is less than 2.7L/min, that is, user is still within holding state without the operation for opening tap, water heater;
Step 2:When flow sensor detects water flow in pipeline between (2.7-4) L/min, that is, user Tap is opened, but flow is smaller, and flow sensor sends signal to intelligent controller, after intelligent controller identification signal, Enabled instruction is sent to water circulating pump, starts water circulating pump immediately, cold water in subscriber household water pipe is withdrawn into gas heater, The water flow of water heater is flowed through in increase, increases hydraulic pressure, promotes intelligent cabin combustion chamber, gas ratio valve and direct current brushless motor to open Dynamic, gas heater carries out conventional heating;
Step 3:When user closes tap, the variable quantity of flow sensor signal piping water flow can be more than or equal to 0.2L/min, flow sensor send signal to intelligent controller, then intelligent controller can send an instruction immediately makes circulation Water pump is stopped, this supercharging terminates.
It is further that after starting water circulating pump in the step 2, the water flow in pipeline is Q1
It is further that after closing tap in the step 3, the water flow in pipeline is Q2
It is further that the variable quantity of the water flow is Q2With Q1Poor absolute value.
Beneficial effects of the present invention:
1. extend water circulating pump service life:The control method of the present invention can be while user closes tap, immediately Stop water circulating pump, prevent from building the pressure, protect water pump.
2. small flow hot water experience:The situation of small flow hot water is used for user, by recirculated water intelligent booster, is started Gas heater, avoid because hydraulic pressure is low and caused by gas heater can not run, cause user using small flow when water temperature not Stablize, or even the situation of cold water occur.
3. water comfort level is used in guarantee:The control method of the present invention can stop following immediately while user closes tap Ring water pump, prevents from continuing cycling through heating, the comfort level of guarantee water.
Brief description of the drawings
Fig. 1 is the structure diagram of the gas heater of the present invention;
Fig. 2 is the case surface structure diagram of the gas heater of the present invention;
Fig. 3 is the circuit connection diagram of the present invention;
Fig. 4 is the intelligent booster control method flow diagram of the present invention.
In figure:110- shells;111- Switching Power Supplies;112- heat exchangers;113- intelligence cabin combustion chamber;114- brush DC wind Machine;115- intelligent controllers;116- flow sensors;117- gas ratio valves;118- water circulating pumps;119- hot water outlets; 120- cooling water inlets;121- environment temperature sensors;122- fuel gas inlets;123- backwater imports;124- control panels;124-1- Display screen;124-2- switch buttons;124-3- switch buttons;124-4- temperature adjustment buttons.
Embodiment
In order to make the object, technical solutions and advantages of the present invention clearer, the present invention is made below in conjunction with the accompanying drawings into one Step illustrates.
Embodiment 1:
In the present embodiment, as shown in Figs. 1-3, a kind of gas heater, including shell 110, inside the shell 110 from Top to bottm is disposed with heat exchanger 112, intelligent cabin combustion chamber 113, direct current brushless motor 114 and gas ratio valve 117;It is described The bottom of shell 110 offers hot water outlet 119, fuel gas inlet 122 and cooling water inlet 120;Also set up inside the shell 110 Switching Power Supply 111;The enclosure is additionally provided with intelligent controller 115, water circulating pump 118,121 and of environment temperature sensor Flow sensor 116;The outer casing bottom is further opened with backwater import 123;Around water receiving pipe, the water on the heat exchanger 112 Pipe input end is connected with 118 port of export of water circulating pump, and pipe outlet end is connected with hot water outlet 119;123 He of backwater import Cooling water inlet 120 is connected by threeway with 118 entrance of water circulating pump;The fuel gas inlet 122 passes through gas ratio valve 117 and intelligence Energy cabin combustion chamber 113 connects;The direct current brushless motor 114 is arranged at intelligent 113 bottom of cabin combustion chamber.
Control panel 124 is provided with the shell, the control panel 124 is sent out by circuit to intelligent controller 115 The number of delivering letters;The flow sensor 116 is used to send the water flow variable signal detected to intelligent controller 115;The intelligence Can 115 identification signal of controller, and to water circulating pump 118, intelligent cabin combustion chamber 113, gas ratio valve 117 and brush DC wind Machine 114 sends start and stop instruction.
As a kind of prioritization scheme, the flow sensor 116 is disposed in proximity to the inside return pipe table of backwater import 123 Face.
Supercharging button 124-3, switch button 124-2, temperature are set as a kind of prioritization scheme, on the control panel 124 Spend regulation button 124-4 and display screen 124-1.
Flow sensor 116 is used to measure water flow;Control panel 124 is cut for heater switch, temperature setting, pattern Change and display working condition.
Embodiment 2:
In the present embodiment, as shown in figure 4, a kind of intelligent booster control method of gas heater, comprises the following steps:
Step 1:When needing small flow to use hot water, the supercharging button 124-3 on control panel 124 is clicked on, works as pipeline In water flow when being less than 2.7L/min, that is, user is still within holding state without the operation for opening tap, water heater;
Step 2:When flow sensor 116 detects water flow in pipeline between (2.7-4) L/min, that is, User opens tap, but flow is smaller, and flow sensor 116 sends signal, intelligent controller to intelligent controller 115 After 115 identification signals, enabled instruction is sent to water circulating pump 118, starts water circulating pump 118 immediately, in subscriber household water pipe Cold water is withdrawn into gas heater, and the water flow of water heater is flowed through in increase, increases hydraulic pressure, promotes intelligent cabin combustion chamber 113, combustion gas Proportioning valve 117 and direct current brushless motor 114 start, and gas heater carries out conventional heating;
Step 3:When user closes tap, the variable quantity of 116 signal piping water flow of flow sensor can be more than etc. In 0.2L/min, flow sensor 116 sends signal to intelligent controller 115, then intelligent controller 115 can send one immediately Instruction makes water circulating pump 118 be stopped, this supercharging terminates.
As a kind of prioritization scheme, after starting water circulating pump 118 in the step 2, the water flow in pipeline is Q1
As a kind of prioritization scheme, after closing tap in the step 3, the water flow in pipeline is Q2
As a kind of prioritization scheme, the variable quantity of the water flow is Q2With Q1Poor absolute value.
Basic principle, main feature and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this The principle of invention, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these changes Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its Equivalent thereof.

Claims (7)

1. a kind of gas heater, including shell (110), it is characterised in that:Set successively from top to bottom inside the shell (110) It is equipped with heat exchanger (112), intelligent cabin combustion chamber (113), direct current brushless motor (114) and gas ratio valve (117);The shell (110) bottom offers hot water outlet (119), fuel gas inlet (122) and cooling water inlet (120);The shell (110) is internal Also set up Switching Power Supply (111);Intelligent controller (115), water circulating pump (118), ring are additionally provided with inside the shell (110) Border temperature sensor (121) and flow sensor (116);Shell (110) bottom is further opened with backwater import (123);
It is connected on the heat exchanger (112) around water receiving pipe, the water pipe input end with water circulating pump (118) port of export, water pipe goes out Mouth end is connected with hot water outlet (119);The backwater import (123) and cooling water inlet (120) pass through threeway and water circulating pump (118) entrance is connected;The fuel gas inlet (122) is connected by gas ratio valve (117) with intelligent cabin combustion chamber (113);Institute State direct current brushless motor (114) and be arranged at intelligent cabin combustion chamber (113) bottom;
It is provided with control panel (124) on the shell, the control panel (124) is by circuit to intelligent controller (115) Send signal;The flow sensor (116) is used to send the water flow variable signal detected to intelligent controller (115); Intelligent controller (115) identification signal, and to water circulating pump (118), intelligent cabin combustion chamber (113), gas ratio valve (117) and direct current brushless motor (114) sends start and stop instruction.
A kind of 2. gas heater as claimed in claim 1, it is characterised in that:The flow sensor (116), which is arranged at, leans on The inside backwater pipe surface of nearly backwater import (123).
A kind of 3. gas heater as claimed in claim 1, it is characterised in that:Supercharging is set on the control panel (124) Button (124-3), switch button (124-2), temperature adjustment buttons (124-4) and display screen (124-1).
A kind of a kind of 4. intelligent booster control method of gas heater based on described in claims 1 to 3, it is characterised in that:
It the described method comprises the following steps:
Step 1:When needing small flow to use hot water, the supercharging button (124-3) on control panel (124) is clicked on, works as pipeline In water flow when being less than 2.7L/min, that is, user is still within holding state without the operation for opening tap, water heater;
Step 2:When flow sensor (116) detects water flow in pipeline between (2.7-4) L/min, that is, use Tap is opened at family, but flow is smaller, and flow sensor (116) sends signal, intelligent controller to intelligent controller (115) (115) after identification signal, enabled instruction is sent to water circulating pump (118), starts water circulating pump (118) immediately, subscriber household Cold water is withdrawn into gas heater in water pipe, and the water flow of water heater is flowed through in increase, increases hydraulic pressure, promotes intelligent cabin combustion chamber (113), gas ratio valve (117) and direct current brushless motor (114) start, and gas heater carries out conventional heating;
Step 3:When user closes tap, the variable quantity of flow sensor (116) signal piping water flow can be more than or equal to 0.2L/min, flow sensor (116) send signal to intelligent controller (115), then intelligent controller (115) can be sent immediately One instruction makes water circulating pump (118) be stopped, this supercharging terminates.
A kind of 5. intelligent booster control method of gas heater as claimed in claim 4, it is characterised in that:The step 2 After middle startup water circulating pump (118), the water flow in pipeline is Q1
A kind of 6. intelligent booster control method of gas heater as claimed in claim 4, it is characterised in that:The step 3 After middle closing tap, the water flow in pipeline is Q2
A kind of 7. intelligent booster control method of gas heater as claimed in claim 4, it is characterised in that:The water flow Variable quantity be Q2With Q1Poor absolute value.
CN201711285505.7A 2017-12-07 2017-12-07 A kind of gas heater and its intelligent booster control method Pending CN108036498A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711285505.7A CN108036498A (en) 2017-12-07 2017-12-07 A kind of gas heater and its intelligent booster control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711285505.7A CN108036498A (en) 2017-12-07 2017-12-07 A kind of gas heater and its intelligent booster control method

Publications (1)

Publication Number Publication Date
CN108036498A true CN108036498A (en) 2018-05-15

Family

ID=62096197

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711285505.7A Pending CN108036498A (en) 2017-12-07 2017-12-07 A kind of gas heater and its intelligent booster control method

Country Status (1)

Country Link
CN (1) CN108036498A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109357393A (en) * 2018-11-01 2019-02-19 华帝股份有限公司 Shutdown control method of gas water heater
CN109442733A (en) * 2018-12-15 2019-03-08 成都前锋电子有限责任公司 A kind of control method of the zero cold water gas heater system with water circulating pump
CN109631316A (en) * 2018-12-29 2019-04-16 北京理工大学 A kind of gas heater and its control method
CN110207389A (en) * 2018-10-26 2019-09-06 华帝股份有限公司 Control method for pressurization function of gas water heater
CN110207388A (en) * 2018-10-26 2019-09-06 华帝股份有限公司 Intelligent shutdown control method for gas water heater
CN110207390A (en) * 2018-10-26 2019-09-06 华帝股份有限公司 Shutdown control method for gas water heater
CN110617628A (en) * 2019-08-26 2019-12-27 华帝股份有限公司 Zero-cold-water gas water heater, pressurization control method and preheating control method
CN110906563A (en) * 2019-12-06 2020-03-24 华帝股份有限公司 Intelligent pressurization control method for gas water heater
CN112097401A (en) * 2020-10-21 2020-12-18 佛山市九零物联科技有限公司 Water heater control system with zero water pressure function and working method
CN113154690A (en) * 2021-04-27 2021-07-23 华帝股份有限公司 Control method of water heater and water heater
CN113418303A (en) * 2021-02-06 2021-09-21 佛山市东原热能科技有限公司 Intelligent heating device for gas water heater and heating method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201463279U (en) * 2009-04-28 2010-05-12 周国兴 General hot water circulating pump device
CN201935364U (en) * 2011-02-16 2011-08-17 美的集团有限公司 Gas water heater with circulating pump
CN102374665A (en) * 2011-09-26 2012-03-14 广东万家乐燃气具有限公司 Automatic temperature-regulating system and method of central gas water heater
CN106322769A (en) * 2016-08-30 2017-01-11 宁波方太厨具有限公司 Water circulation control method of gas water heater, and gas water heater adopting water circulation control method
CN106500343A (en) * 2016-10-13 2017-03-15 广东万家乐燃气具有限公司 A kind of control method of central fuel gas water heating device
CN107289621A (en) * 2017-08-02 2017-10-24 阿诗丹顿燃具有限公司 A kind of gas-heating water heater and its control method with energy saver mode

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201463279U (en) * 2009-04-28 2010-05-12 周国兴 General hot water circulating pump device
CN201935364U (en) * 2011-02-16 2011-08-17 美的集团有限公司 Gas water heater with circulating pump
CN102374665A (en) * 2011-09-26 2012-03-14 广东万家乐燃气具有限公司 Automatic temperature-regulating system and method of central gas water heater
CN106322769A (en) * 2016-08-30 2017-01-11 宁波方太厨具有限公司 Water circulation control method of gas water heater, and gas water heater adopting water circulation control method
CN106500343A (en) * 2016-10-13 2017-03-15 广东万家乐燃气具有限公司 A kind of control method of central fuel gas water heating device
CN107289621A (en) * 2017-08-02 2017-10-24 阿诗丹顿燃具有限公司 A kind of gas-heating water heater and its control method with energy saver mode

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110207388B (en) * 2018-10-26 2021-07-09 华帝股份有限公司 Intelligent shutdown control method for gas water heater
CN110207389A (en) * 2018-10-26 2019-09-06 华帝股份有限公司 Control method for pressurization function of gas water heater
CN110207388A (en) * 2018-10-26 2019-09-06 华帝股份有限公司 Intelligent shutdown control method for gas water heater
CN110207390A (en) * 2018-10-26 2019-09-06 华帝股份有限公司 Shutdown control method for gas water heater
CN110207390B (en) * 2018-10-26 2021-07-09 华帝股份有限公司 Shutdown control method for gas water heater
CN109357393A (en) * 2018-11-01 2019-02-19 华帝股份有限公司 Shutdown control method of gas water heater
CN109442733A (en) * 2018-12-15 2019-03-08 成都前锋电子有限责任公司 A kind of control method of the zero cold water gas heater system with water circulating pump
CN109631316A (en) * 2018-12-29 2019-04-16 北京理工大学 A kind of gas heater and its control method
CN110617628A (en) * 2019-08-26 2019-12-27 华帝股份有限公司 Zero-cold-water gas water heater, pressurization control method and preheating control method
CN110906563B (en) * 2019-12-06 2021-05-18 华帝股份有限公司 Intelligent pressurization control method for gas water heater
CN110906563A (en) * 2019-12-06 2020-03-24 华帝股份有限公司 Intelligent pressurization control method for gas water heater
CN112097401A (en) * 2020-10-21 2020-12-18 佛山市九零物联科技有限公司 Water heater control system with zero water pressure function and working method
CN113418303A (en) * 2021-02-06 2021-09-21 佛山市东原热能科技有限公司 Intelligent heating device for gas water heater and heating method thereof
CN113154690A (en) * 2021-04-27 2021-07-23 华帝股份有限公司 Control method of water heater and water heater

Similar Documents

Publication Publication Date Title
CN108036498A (en) A kind of gas heater and its intelligent booster control method
CN108036497A (en) A kind of gas heater and its preheating start-up and shut-down control method
CN207702743U (en) Automatic-boosting hot water circulating device and its application system
CN108088069A (en) A kind of energy saving gas burning water heater for possessing pre- hot function, heating system and method
CN103307734B (en) A kind of gas heater of instant-heating and outlet hot
CN103322682A (en) Domestic water circulation system
CN109237799B (en) Control method of gas water heater
CN105485908A (en) Hot water system and control method thereof
CN102226581A (en) Control method of water heater
CN105698368B (en) A kind of boiler and its control method
CN110701789A (en) Heat pump water heater
CN204950568U (en) Large -traffic combination formula water dispenser
CN205373025U (en) Water heating system
CN202092291U (en) Gas water heater for preheating newly-outlet water
CN108088070A (en) A kind of Intelligent preheating gas heater and its subsystem and implementation method
CN204853921U (en) Instant heating type dual -purpose electric water heater device of water storage
CN203657171U (en) Circulating instant energy-saving water heater
CN206626806U (en) A kind of circulating boiler in more storehouses
CN211084437U (en) Heat pump water heater
CN108344032A (en) One kind being used for domestic hot water's coolant controlled intelligent domestic system
CN204329290U (en) A kind of boiler
CN108286788A (en) Control method of gas water heater with variable water production capacity and gas water heater
CN106482352A (en) A kind of self adaptation instant-heating thermostat and method
CN202973355U (en) Household independent heating and domestic hot water supply control system
CN207991002U (en) Solar water heating system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20180515

RJ01 Rejection of invention patent application after publication