CN106500343A - A kind of control method of central fuel gas water heating device - Google Patents
A kind of control method of central fuel gas water heating device Download PDFInfo
- Publication number
- CN106500343A CN106500343A CN201610893853.1A CN201610893853A CN106500343A CN 106500343 A CN106500343 A CN 106500343A CN 201610893853 A CN201610893853 A CN 201610893853A CN 106500343 A CN106500343 A CN 106500343A
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- water
- circulating pump
- temperature
- bathing
- pump
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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
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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)
- Control For Baths (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
Abstract
The present invention discloses a kind of control method of central fuel gas water heating device, it is characterized in that, in warm, when the inflow temperature sensor being arranged on water inlet pipe detects return water temperature equal to water heater design temperature, main controller controls burner stops burning, and controls water circulating pump and remain in operation to carry out water pump Posterior circle；When following either condition is met, then judge that user, in bathing, closes water circulating pump：1) during water pump Posterior circle, inflow temperature sensor detect return water temperature lower than water heater design temperature T DEG C when, 5 DEG C≤T≤10 DEG C；2) water circulating pump duration of runs is all introduced into water pump Posterior circle more than 30min.Whether the present invention enters Posterior circle as basis for estimation according to water circulating pump in warm, judge that whether boiling water is used user in warm, prevent from interfering to preheating stop condition, and because of fluctuating temperature that the operating of water circulating pump brings when avoiding bathing, it is ensured that the comfortableness of user's bathing.
Description
Technical field
A kind of the present invention relates to gas heater control technology field, more particularly to controlling party of central fuel gas water heating device
Method.
Background technology
Occur the various gas heaters without water return pipeline band preheating function recent years on market successively, to a certain extent
Achieve the instant-heating function of gas heater.But the water heater of a lot of the type is in order to ensure the uniform of pipeline water temperature
Property, typically all there is longer water pump Posterior circle, and (during warm-up cycle, after burner quits work, water pump still continues work
Make a period of time), and water heater burning time is longer, and its corresponding water pump Posterior circle time is longer, therefore actually used
During can produce problems with：Water in pipeline is not also heated to temperature required by water heater, or its water pump Posterior circle is also
Do not stop the situation that user uses with regard to boiling water, now water heater effectively cannot be judged in bathing state or pre- Warm status,
Because which is intake, probe temperature does not reach preheating closing temperature always, there is user and finishes showing for rear water heater sustained combustion with water
As.
Content of the invention
For problems of the prior art, it is an object of the invention to provide one kind can judge whether user is washing
Bath, the effectively save energy, the central fuel gas water heating device control method for ensureing bath comfort.
For reaching object above, the present invention is adopted the following technical scheme that.
A kind of control method of central fuel gas water heating device, it is characterised in that in warm, when being arranged on water inlet pipe
Inflow temperature sensor detect return water temperature equal to water heater design temperature when, main controller controls burner stop combustion
Burn, and control water circulating pump and remain in operation to carry out water pump Posterior circle；When following either condition is met, then user is judged in bathing,
Close water circulating pump：
1) during water pump Posterior circle, inflow temperature sensor detects return water temperature T lower than water heater design temperature
DEG C when, 5 DEG C≤T≤10 DEG C.
2) water circulating pump duration of runs is all introduced into water pump Posterior circle more than 30min.
As with improvement, under non-pre- Warm status, by being arranged on water inlet pipe and/or outlet pipe on water flow sensor
To judge user whether in bathing；Master controller just carries out water-flow signal judgement after water circulating pump stops 3-5s, if current
Quantity sensor has detected water-flow signal output, then judge user in bathing state, and bathing mark position is 1, if non-water flow letter
Number output, then judge user not in bathing state, and bathing mark position is 0.
Used as with improvement, the control method also includes antifreeze control, and under non-pre- Warm status, and bathing mark position is
When 0, if during T1 DEG C of temperature ＜ that detects of inflow temperature sensor, antifreeze mark position is 1, main controller controls recirculated water
Pump operates, gas heater circulating-heating, when the temperature detected by inflow temperature sensor >=T2 DEG C, exit antifreeze, antifreeze
Mark position is 0, and main controller controls water circulating pump shuts down；5℃≤T1≤10℃；15℃≤T2≤20℃.
Used as with improvement, the water circulating pump is arranged on water inlet pipe.
As the leaving water temperature sensors with improvement, being provided with outlet pipe for preventing temperature overshot, described go out water temperature
Degree sensor is connected with master controller.
The invention has the beneficial effects as follows：
First, whether Posterior circle is entered as basis for estimation according to water circulating pump in warm, judges user whether pre-
In thermal process, boiling water is used, and prevents from interfering to preheating stop condition, wastes a large amount of combustion gas, and because of recirculated water when avoiding bathing
The fluctuating temperature that the operating of pump brings, it is ensured that the comfortableness of user's bathing；Solve user preheating complete before brought with water one
Series of problems, greatly promotes Consumer's Experience sense.
2nd, circulating-heating antifreeze control method is adopted, the antifreeze problem of water heater is easily solved, is controlled simple, practical.
Description of the drawings
Fig. 1 show the central heater structural representation of present invention offer.
Fig. 2 show the central heater control flow chart of present invention offer.
Description of reference numerals：
1：Water inlet pipe, 2：Outlet pipe, 3：Water circulating pump, 4：Water flow sensor, 5：Inflow temperature sensor, 6：Go out water temperature
Degree sensor, 7：Master controller.
Specific embodiment
For convenience of the essence that those skilled in the art more fully understand the present invention, below in conjunction with the accompanying drawings to the concrete of the present invention
Embodiment is described in detail.
As shown in figure 1, a kind of central fuel gas water heating device, including：Heat exchanger, connect water inlet pipe 1 on the heat exchanger,
Outlet pipe 2, is arranged on water circulating pump 3 on water inlet pipe 1, water flow sensor 4, inflow temperature sensor 5, is arranged on outlet pipe
Leaving water temperature sensors 6 on 2, and pass with water circulating pump 3, water flow sensor 4, inflow temperature sensor 5, leaving water temperature
The master controller 7 of the connection of sensor 6.
Wherein, the water circulating pump 3 is used for providing the power of system water circulation and overcomes the resistance of ducting of system.The water
Flow sensor 4 provides water-flow signal for system.The inflow temperature sensor 5, as inflow temperature detector unit, is system
Pipeline start up by preheating provides temperature control signals.Control centre of the master controller 7 as whole system.The water side temperature is passed
Sensor 6 is detected for outlet water temperature of water heater, simultaneously as temperature overshot restriction device.When system warm-up starts, master controller 7
Control water circulating pump 3 operates, and by current by water inlet suction, flows through heat exchanger and is heated, afterwards through water outlet of water heater
During 6 end of temperature sensor is flowed out to up to pipeline.
Concrete preheating functional realiey is as follows：
After user operation " pre- hot key ", water heater starts burning and circulation line water is heated, when inflow temperature sensor 5
When return water temperature is detected equal to water heater design temperature, stop burning and go forward side by side in water-filling pump Posterior circle and water temperature, make whole pipe
Water temperature in road is basically identical.Before water pump Posterior circle is completed, user's boiling water is used, if user is shorter with the water time, user is closed
Preheating closedown condition can be reached quickly after water, if user is longer with the water time, water circulating pump starting time limits 30min, follows
Judge after ring starting mode of pump 30min that user, in bathing, closes water circulating pump.If user's boiling water makes during water pump Posterior circle
With, inflow temperature sensor 5 detect return water temperature lower than water heater design temperature less than 5 DEG C when, judge that user, in bathing, is closed
Close water pump.
Concrete antifreeze function is realized as follows：
On the premise of water circulating pump 3 is not rotated, it is considered to which water circulating pump 3 stops the impact of inertia, without water flow signal
On the premise of, judge whether the temperature detected by inflow temperature sensor 5 is less than 5 DEG C, if temperature is less than 5 DEG C, master controller 7
Control water circulating pump 3 operates, and water heater circulating-heating, when temperature >=15 DEG C detected by inflow temperature sensor 5, is exited anti-
Freeze, water pump shuts down.
By above-mentioned bathing antifreeze control system, simple and reliable realize water heater antifreeze function while solve to use
The series of problems that family is brought with water before preheating is completed, greatly promotes Consumer's Experience sense.Concrete control flow refers to Fig. 2.
As shown in Fig. 2 system warm-up function is achieved by water circulating pump operating, system is by water circulating pump
Working order is judged, it is considered to the inertia that water circulating pump stops, and system is after water circulating pump stops 3s just carrying out current letter
Number judge, if now water flow sensor 4 have water-flow signal export, judge user in bathing state, bathing mark position
For 1, if non-water flow signal output, user is judged not in bathing state, bathing mark position is 0, then detects inflow temperature
The temperature value of sensor 5, works as temperature<When 6 DEG C, antifreeze mark position is 1, and the control water circulating pump 3 of master controller 7 operates, hot water
Device circulating-heating, when temperature >=15 DEG C detected by inflow temperature sensor 5, exit antifreeze, antifreeze mark position be 0, follow
Ring water pump shuts down.
In addition, in water circulating pump operation process, because system starts with regard to timing after water circulating pump starts, with water pump Posterior circle
For boundary, if being introduced into water pump Posterior circle, judge whether the water circulating pump duration of runs reaches 30min, take into full account that user uses
Water is accustomed to, and still not up to preheats closedown condition in 30min, and water pump Posterior circle mark position is 0, no matter whether user is single
Preheating, bathing mark position are 1, and water circulating pump shuts down, it is to avoid water circulating pump continuous running.If system is followed after entering water pump
Ring, because preheating stop condition is inflow temperature sensor 5 detects return water temperature equal to water heater design temperature, now
The temperature value of inflow temperature sensor 5 is substantially consistent with water heater design temperature, and as user, now boiling water is used, due to cold water meeting
Water inlet pipe is flowed into, causes the temperature value of inflow temperature sensor 5 drastically to decline, when the temperature value of inflow temperature sensor 5<Hot water
During 5 DEG C of device design temperature, water pump Posterior circle mark position is 0.In the same manner, no matter whether user is that single is preheated, bathing flag bit
1 is set to, water circulating pump shuts down, system enters bathing state, prevents the water yield that water circulating pump operating causes during bathing
Fluctuation problem, really goes to realize the preheating of gas heater, antifreeze function from the angle of user.
Above specific embodiment has been described in detail to the essence of the present invention, but can not be come to the present invention's with this
Protection domain is limited.It should be evident that under the enlightenment of essence of the invention, the art those of ordinary skill can also enter
The many improvement of row and modification, it should be noted that these improvement and modification all fall the present invention claims it
Interior.
Claims (5)
1. a kind of control method of central fuel gas water heating device, it is characterised in that in warm, when being arranged on water inlet pipe
When inflow temperature sensor detects return water temperature equal to water heater design temperature, main controller controls burner stops burning,
And control water circulating pump and remain in operation to carry out water pump Posterior circle；When following either condition is met, then judge that user, in bathing, closes
Water circulating pump：
1) during water pump Posterior circle, inflow temperature sensor detect return water temperature lower than water heater design temperature T DEG C when,
5℃≤T≤10℃；
2) water circulating pump duration of runs is all introduced into water pump Posterior circle more than 30min.
2. the control method of a kind of central fuel gas water heating device according to claim 1, it is characterised in that in non-pre- Warm status
Under, by being arranged on water inlet pipe and/or outlet pipe on water flow sensor whether judging user in bathing；Master controller exists
Water circulating pump just carries out water-flow signal judgement after stopping 3-5s, if water flow sensor has detected water-flow signal output,
User is judged in bathing state, bathing mark position is 1, if non-water flow signal output, judges that user, not in bathing state, washes
Bath mark position is 0.
3. the control method of a kind of central fuel gas water heating device according to claim 2, it is characterised in that it has antifreeze work(
Can, under non-pre- Warm status, and bathing mark position is when being 0, if during T1 DEG C of temperature ＜ that detects of inflow temperature sensor,
Antifreeze mark position is 1, and main controller controls water circulating pump operates, and gas heater circulating-heating works as inflow temperature sensor
During the temperature for being detected >=T2 DEG C, exit antifreeze, antifreeze mark position is 0, and main controller controls water circulating pump shuts down；
5℃≤T1≤10℃；
15℃≤T2≤20℃.
4. a kind of control method of central fuel gas water heating device according to claim 1, it is characterised in that the water circulating pump
It is arranged on water inlet pipe.
5. the control method of a kind of central fuel gas water heating device according to claim 1, it is characterised in that set on outlet pipe
There are the leaving water temperature sensors for preventing temperature overshot, the leaving water temperature sensors to be connected with master controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893853.1A CN106500343A (en) | 2016-10-13 | 2016-10-13 | A kind of control method of central fuel gas water heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610893853.1A CN106500343A (en) | 2016-10-13 | 2016-10-13 | A kind of control method of central fuel gas water heating device |
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| CN106500343A true CN106500343A (en) | 2017-03-15 |
Family
ID=58294108
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| CN201610893853.1A Pending CN106500343A (en) | 2016-10-13 | 2016-10-13 | A kind of control method of central fuel gas water heating device |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062621A (en) * | 2017-03-20 | 2017-08-18 | 广东万家乐燃气具有限公司 | A kind of central fuel gas water heating device for automatically adjusting the intercycle time |
| CN108036498A (en) * | 2017-12-07 | 2018-05-15 | 成都前锋电子有限责任公司 | A kind of gas heater and its intelligent booster control method |
| CN108036497A (en) * | 2017-12-07 | 2018-05-15 | 成都前锋电子有限责任公司 | A kind of gas heater and its preheating start-up and shut-down control method |
| CN109357442A (en) * | 2018-12-14 | 2019-02-19 | 珠海格力电器股份有限公司 | Heat pump system and control method |
| CN110195937A (en) * | 2019-05-20 | 2019-09-03 | 广东万和新电气股份有限公司 | Antifreeze method, antifreeze control system and gas 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 |
| CN110513860A (en) * | 2019-08-02 | 2019-11-29 | 广东长虹日电科技有限公司 | A kind of anti-freezing gas water heater and its control method |
| CN110822711A (en) * | 2019-11-22 | 2020-02-21 | 珠海格力电器股份有限公司 | Water heater and hot water tank, control method and controller thereof |
| 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 |
| CN112066562A (en) * | 2020-08-18 | 2020-12-11 | 深圳市合信达控制系统有限公司 | Method and device for identifying working mode of water heater and water heater |
| CN112197439A (en) * | 2020-10-09 | 2021-01-08 | 珠海格力电器股份有限公司 | Gas water heater control method, device and system and gas water heater |
| CN115200226A (en) * | 2022-08-26 | 2022-10-18 | 杭州老板电器股份有限公司 | Preheating control method and device for gas heating equipment and gas heating equipment |
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| CN105650855A (en) * | 2016-03-26 | 2016-06-08 | 广东万家乐燃气具有限公司 | Gas water heater with reservation function and control method thereof |
| CN205619572U (en) * | 2016-04-11 | 2016-10-05 | 广东万家乐燃气具有限公司 | Can realize quick water heater of gas of multiple shower function |
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| CN205619572U (en) * | 2016-04-11 | 2016-10-05 | 广东万家乐燃气具有限公司 | Can realize quick water heater of gas of multiple shower function |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107062621A (en) * | 2017-03-20 | 2017-08-18 | 广东万家乐燃气具有限公司 | A kind of central fuel gas water heating device for automatically adjusting the intercycle time |
| CN107062621B (en) * | 2017-03-20 | 2023-11-14 | 广东万家乐燃气具有限公司 | Central gas water heater capable of automatically adjusting circulation interval time |
| CN108036498A (en) * | 2017-12-07 | 2018-05-15 | 成都前锋电子有限责任公司 | A kind of gas heater and its intelligent booster control method |
| CN108036497A (en) * | 2017-12-07 | 2018-05-15 | 成都前锋电子有限责任公司 | A kind of gas heater and its preheating start-up and shut-down control method |
| CN110207388B (en) * | 2018-10-26 | 2021-07-09 | 华帝股份有限公司 | Intelligent shutdown control method for 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 |
| CN109357442A (en) * | 2018-12-14 | 2019-02-19 | 珠海格力电器股份有限公司 | Heat pump system and control method |
| CN110195937A (en) * | 2019-05-20 | 2019-09-03 | 广东万和新电气股份有限公司 | Antifreeze method, antifreeze control system and gas heater |
| CN110195937B (en) * | 2019-05-20 | 2021-08-10 | 广东万和新电气股份有限公司 | Anti-freezing method, anti-freezing control system and gas water heater |
| CN110513860A (en) * | 2019-08-02 | 2019-11-29 | 广东长虹日电科技有限公司 | A kind of anti-freezing gas water heater and its 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 |
| CN110822711A (en) * | 2019-11-22 | 2020-02-21 | 珠海格力电器股份有限公司 | Water heater and hot water tank, control method and controller thereof |
| CN112066562A (en) * | 2020-08-18 | 2020-12-11 | 深圳市合信达控制系统有限公司 | Method and device for identifying working mode of water heater and water heater |
| CN112197439A (en) * | 2020-10-09 | 2021-01-08 | 珠海格力电器股份有限公司 | Gas water heater control method, device and system and gas water heater |
| CN112197439B (en) * | 2020-10-09 | 2021-10-26 | 珠海格力电器股份有限公司 | Gas water heater control method, device and system and gas water heater |
| CN115200226A (en) * | 2022-08-26 | 2022-10-18 | 杭州老板电器股份有限公司 | Preheating control method and device for gas heating equipment and gas heating equipment |
| CN115200226B (en) * | 2022-08-26 | 2023-09-15 | 杭州老板电器股份有限公司 | Preheating control method and device for gas heating equipment and gas heating equipment |
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Application publication date: 20170315 |
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