CN108036497A - A kind of gas heater and its preheating start-up and shut-down control method - Google Patents

A kind of gas heater and its preheating start-up and shut-down control method Download PDF

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Publication number
CN108036497A
CN108036497A CN201711285502.3A CN201711285502A CN108036497A CN 108036497 A CN108036497 A CN 108036497A CN 201711285502 A CN201711285502 A CN 201711285502A CN 108036497 A CN108036497 A CN 108036497A
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CN
China
Prior art keywords
water
circulating pump
gas heater
gas
intelligent controller
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
CN201711285502.3A
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Chinese (zh)
Inventor
王波
艾磊
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 CN201711285502.3A priority Critical patent/CN108036497A/en
Publication of CN108036497A publication Critical patent/CN108036497A/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
    • F24H1/12Continuous-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
    • F24H9/0005Details for water heaters
    • 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

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 sensing device;The intelligent controller is connected with water circulating pump, environment temperature sensor, sensing device, Switching Power Supply, intelligent cabin combustion chamber, gas ratio valve and direct current brushless motor respectively by circuit;The preheating start-up and shut-down control method of gas heater based on the present invention, accurately distinguished for domestic water (opening tap) and cycling use of water (circulating-heating), while guarantee does not influence heat supply water quality, it can identify domestic water and cycling use of water, the start and stop of water circulating pump when control preheats in time, save combustion gas and electric power energy.

Description

A kind of gas heater and its preheating start-up and shut-down 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 preheating start-up and shut-down control side Method.
Background technology
Since the gas heater of family is typically mounted on living balcony, and bath water is in bathroom, from bathroom to kitchen There is one section of longer pipeline in room, generally has between 10-30 meters.Therefore, when user has a bath, the cold water having in pipeline must first be put Out can just there is hot water outflow, and to release many cold water to come out hot water, prolonged wait is not said, wastes very More water.Special weather turns cool when turn cold, and hot water does not come out for a long time.Therefore, solve first put one before using hot water every time Duan Lengshui, becomes the use problem of gas heater industry generally existing.
In the prior art, gas heater is internally provided with a small-sized water circulating pump, and user first opens before with hot water Dynamic water circulating pump, water circulating pump can be extracted into the cold water in the water pipe in user family water heater and here be heated, Ran Houzai It is transported in the water pipe in user family, after waiting the cold water in service pipe to be all heated into hot water, user is in bathroom or kitchen Tap is opened, hot water flows out soon.But when water circulating pump is in running order, user opens tap, such as Fruit water heater control program does not detect this action, then program can be caused to also operate at water pump circulating-heating state.No But seriously affect user and use hot water comfort level, cause energy waste.
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 preheating start-up and shut-down control Method, based on the gas heater with circulating pump, for domestic water (opening or close tap) and cycling use of water (circulation Heating) accurately distinguish, while guarantee does not influence heat supply water quality, it can identify domestic water and cycling use of water, control is pre- in time The start and stop of water circulating pump during heating, reduce heating time, save combustion gas and electric power energy.
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 sensing device;The outer casing bottom is further opened with backwater import;Around water receiving pipe, the water on the heat exchanger 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 cooling water inlet It is connected by threeway with water circulating pump entrance;The fuel gas inlet is connected by gas ratio valve with intelligent cabin combustion chamber;It is described Direct current brushless motor is 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 Sensing device is stated to be used to send the temperature detected and water flow variable signal to intelligent controller;The intelligent controller identification Signal, 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 sensing device is disposed in proximity to the inside backwater pipe surface of backwater import.
It is further that cycle button, switch button, temperature adjustment buttons and display screen are set on the control panel.
It is further that the sensing device includes flow sensor and return water temperature sensor.
Using above-mentioned technical proposal, sensing device is used to measure return water temperature and flow;Return water temperature:Refer to return pipe In water temperature;Control panel is used for heater switch, temperature setting, pattern switching and display working condition.
A kind of preheating start-up and shut-down control method of gas heater, comprises the following steps:
Step 1:Under the non-working status of water heater, the cycle button on control panel is clicked on, sends the signal to intelligence Controller, of short duration unlatching tap, and close immediately, after intelligent controller receives the signal of flow sensor, start circulation Water pump, intelligent cabin combustion chamber, gas ratio valve and direct current brushless motor, are withdrawn into cold water in service pipe by backwater import Gas heater, carries out circulating-heating;
Step 2:Flow sensor continues to detect water flow change, when the variable quantity of water flow<During 0.2L/min, system is write from memory Recognize user at this time and be not switched on tap, gas heater continues cycling through heating, until return water temperature reaches preset temperature, intelligence control After device processed receives the signal of return water temperature sensor, water circulating pump power cut-off, stops circulating-heating;
Step 3:In the water circulating pump course of work, as variable quantity >=0.2L/min of water flow, then illustrate that user opens Tap, flow sensor send signal to intelligent controller, close water circulating pump immediately, and gas heater starts conventional add Heat.
It is further that the variable quantity of the water flow is made a living running water water flow Q2With backwater water flow Q1It is poor absolute Value.
It is further the life water water flow Q2For the water flow of user's tap, backwater water flow Q1For backwater In-pipe flow amount.
Beneficial effects of the present invention:
1. save the energy:The present invention can be directed to domestic water (opening tap) and cycling use of water (circulating-heating) is accurate Start-up and shut-down control is carried out, ensures, when user opens tap, to close water circulating pump in time and stop heating, save combustion gas and electric power The energy.
2. water comfort level is used in guarantee:The present invention can according to the change of water flow, distinguish domestic water (opening tap) and Cycling use of water (circulating-heating), operates preheating and accurately carries out start-up and shut-down control, make user when in use, opens tap, Water circulating pump is closed, and gas heater normal work, tap flows out constant hot water, 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 preheating start-up and shut-down control method flow schematic 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- sensing devices;117- gas ratio valves;118- water circulating pumps;119- hot water outlets;120- Cooling water inlet;121- environment temperature sensors;122- fuel gas inlets;123- backwater imports;124- control panels;124-1- is shown 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 Figures 1 to 3, a kind of gas heater, including shell 110, inside the shell 110 Heat exchanger 112, intelligent cabin combustion chamber 113, direct current brushless motor 114 and gas ratio valve 117 are disposed with from top to bottom;Institute The bottom for stating shell 110 offers hot water outlet 119, fuel gas inlet 122 and cooling water inlet 120;Also set inside the shell 110 Put Switching Power Supply 111;The enclosure is additionally provided with intelligent controller 115, water circulating pump 118, environment temperature sensor 121 With sensing device 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, the control panel 12 are provided with the shell) sent out by circuit to intelligent controller 115 The number of delivering letters;The sensing device 116 is used to send the temperature detected and water flow variable signal to intelligent controller 115;Institute State 115 identification signal of intelligent controller, and to water circulating pump 118, intelligent cabin combustion chamber 113, gas ratio valve 117 and direct current without Brush wind turbine 114 sends start and stop instruction.
As a kind of prioritization scheme, the sensing device 116 is disposed in proximity to the inside return pipe table of backwater import 123 Face.
As a kind of prioritization scheme, cycle button 124-3, switch button 124-2, temperature are set on the control panel 124 Spend regulation button 124-4 and display screen 124-1.
As a kind of prioritization scheme, the sensing device 116 includes flow sensor and return water temperature sensor.
Sensing device 116 is used to measure return water temperature and flow;Return water temperature:Refer to the water temperature in return pipe;Control Panel 124 is used for heater switch, temperature setting, pattern switching and display working condition.
Embodiment 2:
In the present embodiment, as shown in figure 4, a kind of preheating start-up and shut-down control method of gas heater, including following step Suddenly:
Step 1:Under the non-working status of water heater, the cycle button 124-3 on control panel 124 is clicked on, signal is sent out Send to intelligent controller 115, of short duration unlatching tap, and close immediately, intelligent controller 115 receives the letter of flow sensor After number, start water circulating pump 118, intelligent cabin combustion chamber 113, gas ratio valve 117 and direct current brushless motor 114, user's water Cold water is withdrawn into gas heater by backwater import 123 in pipe, carries out circulating-heating;
Step 2:Flow sensor continues to detect water flow change, when the variable quantity of water flow<During 0.2L/min, system is write from memory Recognize user at this time and be not switched on tap, gas heater continues cycling through heating, until return water temperature reaches preset temperature, intelligence control After device 115 processed receives the signal of return water temperature sensor, 118 power cut-off of water circulating pump, stops circulating-heating;
Step 3:In 118 course of work of water circulating pump, as variable quantity >=0.2L/min of water flow, then illustrate that user beats Turn on the tap, flow sensor sends signal to intelligent controller 115, closes water circulating pump 118 immediately, gas heater starts Conventional heating.
As a kind of prioritization scheme, the variable quantity of the water flow is made a living running water water flow Q2With backwater water flow Q1Difference Absolute value.
As a kind of prioritization scheme, the life water water flow Q2For the water flow of user's tap, backwater water flow Q1 For water flow in return pipe.
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 sensing device (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 sensing device (116) is used to send the temperature detected and water flow change letter to intelligent controller (115) Number;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 sensing device (116) is disposed in proximity to The inside backwater pipe surface of backwater import (123).
A kind of 3. gas heater as claimed in claim 1, it is characterised in that:Circulation 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 4. gas heater as claimed in claim 1 or 2, it is characterised in that:The sensing device (116) includes flow Sensor and return water temperature sensor.
5. a kind of a kind of preheating start-up and shut-down control method of gas heater based on described in Claims 1 to 4, its feature exist In:
It the described method comprises the following steps:
Step 1:Under the non-working status of water heater, the cycle button (124-3) on control panel (124) is clicked on, signal is sent out Send to intelligent controller (115), of short duration unlatching tap, and close immediately, intelligent controller (115) receives flow sensor Signal after, start water circulating pump (118), intelligent cabin combustion chamber (113), gas ratio valve (117) and direct current brushless motor (114), cold water in service pipe is withdrawn into gas heater by backwater import (123), carries out circulating-heating;
Step 2:Flow sensor continues to detect water flow change, when the variable quantity of water flow<During 0.2L/min, system default this When user be not switched on tap, gas heater continues cycling through heating, until return water temperature reaches preset temperature, intelligent controller (115) after the signal for receiving return water temperature sensor, water circulating pump (118) power cut-off, stops circulating-heating;
Step 3:In water circulating pump (118) course of work, as variable quantity >=0.2L/min of water flow, then illustrate that user opens Tap, flow sensor send signal to intelligent controller (115), close water circulating pump (118) immediately, gas heater is opened Beginning conventional heating.
A kind of 6. preheating start-up and shut-down control method of gas heater as claimed in claim 5, it is characterised in that:The current The variable quantity of amount is made a living running water water flow Q2With backwater water flow Q1Poor absolute value.
A kind of 7. preheating start-up and shut-down control method of gas heater as claimed in claim 5, it is characterised in that:The life Water water flow Q2The water flow of tap, backwater water flow Q are opened for user1For water flow in return pipe.
CN201711285502.3A 2017-12-07 2017-12-07 A kind of gas heater and its preheating start-up and shut-down control method Pending CN108036497A (en)

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CN201711285502.3A CN108036497A (en) 2017-12-07 2017-12-07 A kind of gas heater and its preheating start-up and shut-down control method

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Application Number Priority Date Filing Date Title
CN201711285502.3A CN108036497A (en) 2017-12-07 2017-12-07 A kind of gas heater and its preheating start-up and shut-down control method

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109442731A (en) * 2018-12-15 2019-03-08 成都前锋电子有限责任公司 A kind of zero cold water fuel wall hanging furnace system
CN109442732A (en) * 2018-12-15 2019-03-08 成都前锋电子有限责任公司 A kind of zero cold water gas heater system with water circulating pump
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
CN109442729A (en) * 2018-12-15 2019-03-08 成都前锋电子有限责任公司 A kind of zero cold water water outlet control method of zero cold water fuel wall hanging furnace system
CN109631348A (en) * 2018-12-17 2019-04-16 成都前锋电子有限责任公司 A kind of voice control gas heater of double wireless telecommunications
CN109654576A (en) * 2018-12-17 2019-04-19 成都前锋电子有限责任公司 A kind of zero cold water burnt gas wall hanging furnace heating system with distal temperature detector
CN109654721A (en) * 2018-12-17 2019-04-19 广东万家乐燃气具有限公司 A kind of heating device and method for heating and controlling
CN109869915A (en) * 2019-02-19 2019-06-11 樱花卫厨(中国)股份有限公司 Gas heater prewarming circulating system
CN110017614A (en) * 2019-03-27 2019-07-16 华帝股份有限公司 A kind of control device and control method of zero cold water water heater
CN110186180A (en) * 2019-04-12 2019-08-30 华帝股份有限公司 Gas heater, water outlet control method and supercharging control method using it
CN110186197A (en) * 2019-05-22 2019-08-30 华帝股份有限公司 Gas heater, preheating control method and supercharging control method using it
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
CN110864459A (en) * 2019-10-30 2020-03-06 宁波方太厨具有限公司 Water circulation control method of gas water heating device

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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
CN109442731A (en) * 2018-12-15 2019-03-08 成都前锋电子有限责任公司 A kind of zero cold water fuel wall hanging furnace system
CN109442732A (en) * 2018-12-15 2019-03-08 成都前锋电子有限责任公司 A kind of zero cold water gas heater system with water circulating pump
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
CN109442729A (en) * 2018-12-15 2019-03-08 成都前锋电子有限责任公司 A kind of zero cold water water outlet control method of zero cold water fuel wall hanging furnace system
CN109654721A (en) * 2018-12-17 2019-04-19 广东万家乐燃气具有限公司 A kind of heating device and method for heating and controlling
CN109654576A (en) * 2018-12-17 2019-04-19 成都前锋电子有限责任公司 A kind of zero cold water burnt gas wall hanging furnace heating system with distal temperature detector
CN109631348A (en) * 2018-12-17 2019-04-16 成都前锋电子有限责任公司 A kind of voice control gas heater of double wireless telecommunications
CN109869915A (en) * 2019-02-19 2019-06-11 樱花卫厨(中国)股份有限公司 Gas heater prewarming circulating system
CN110017614A (en) * 2019-03-27 2019-07-16 华帝股份有限公司 A kind of control device and control method of zero cold water water heater
CN110017614B (en) * 2019-03-27 2021-07-13 华帝股份有限公司 Control device and control method for zero-cold-water heater
CN110186180A (en) * 2019-04-12 2019-08-30 华帝股份有限公司 Gas heater, water outlet control method and supercharging control method using it
CN110186197A (en) * 2019-05-22 2019-08-30 华帝股份有限公司 Gas heater, preheating control method and supercharging control method using it
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
CN110864459A (en) * 2019-10-30 2020-03-06 宁波方太厨具有限公司 Water circulation control method of gas water heating device

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Application publication date: 20180515