CN109737605A - Zero-cold-water preheating device for gas heating water heater and control method thereof - Google Patents
Zero-cold-water preheating device for gas heating water heater and control method thereof Download PDFInfo
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- CN109737605A CN109737605A CN201910151521.XA CN201910151521A CN109737605A CN 109737605 A CN109737605 A CN 109737605A CN 201910151521 A CN201910151521 A CN 201910151521A CN 109737605 A CN109737605 A CN 109737605A
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- water
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- outlet pipe
- heating
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 149
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000008236 heating water Substances 0.000 title claims abstract description 21
- 238000010438 heat treatment Methods 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims description 17
- 125000004122 cyclic group Chemical group 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 3
- 210000000476 body water Anatomy 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
Abstract
The invention provides a zero cold water preheating device for a gas heating water heater and a control method thereof, wherein the control method comprises the steps of starting, temperature detection, cyclic heating, low-temperature heating, constant-temperature heating and the like, the preheating device comprises a water return pipe arranged between a water inlet pipe and a water outlet pipe of a furnace body, a water return pump is arranged on the water return pipe and used for returning water in the water outlet pipe into the furnace body for heating, a main controller electrically connected with the water return pump, a water flow sensor and a gas proportional valve are arranged in the furnace body and respectively electrically connected with the main controller, a preheating switch electrically connected with the main controller is arranged on the furnace body and used for starting a preheating cyclic program of the main controller, a temperature sensor is arranged on the water outlet pipe and used for sensing the temperature of the water in the water outlet pipe and transmitting corresponding data to the main controller, and the main controller is used for calculating required load according to the water flow data and the water temperature And (6) operating the pump.
Description
[technical field]
The present invention relates to gas-heating water heater field, especially a kind of zero preheating cold water for gas-heating water heater
Device and its control method.
[background technique]
Currently, gas-heating water heater bathroom state available on the market is instant heating type heating, machine after tap is opened
Combustion heating bathroom water, but there is unheated cold water to the pipeline between its use environment for its machine, cannot use immediately
And need to wait hot water to flow out and be completely exhausted out the portion of cold water and just can be used, to cause hot water waiting and water resource
Waste.
[summary of the invention]
The technical problem to be solved in the present invention is to provide can in advance by machine to the pipeline between its use environment there is
Unheated cold water is preheated and realizes a kind of zero preheating cold water for gas-heating water heater of zero cold water function and fill
It sets and its control method.
The object of the present invention is achieved like this:
A kind of zero preheating cold water device for gas-heating water heater, including be set to furnace body water inlet pipe and outlet pipe it
Between return pipe, the return pipe be equipped with back water pump to be heated for the water in outlet pipe to be back in furnace body, furnace
It is equipped with the master controller being electrically connected with the back water pump and the water flow sensing unit being electrically connected respectively with the master controller in vivo
And gas ratio valve, the gas ratio valve are used to detect water flow and will for adjusting heating efficiency, the water flow sensing unit
For corresponding data transmission to master controller, furnace body is equipped with the preheating switch being electrically connected with the master controller for starting master
The warm-up cycle program of controller, outlet pipe are equipped with temperature sensor for incuding the temperature of water in outlet pipe and will be corresponding
Data transmission to master controller, the master controller is for calculating required load according to water flow data and water temperature data
And control the aperture of gas ratio valve and the work of control back water pump.
A kind of control method of above-mentioned zero preheating cold water device for gas-heating water heater, includes the following steps:
A: starting presses preheating switch so that main controller starts warm-up cycle program；
B: temperature detection, temperature sensor detect in outlet pipe the temperature of water and by corresponding data transmissions to main control
Device；
C: circulating-heating, if detecting in step B, the temperature of water in outlet pipe is less than preset loop coolant-temperature gage T, leads
Controller controls the work of return water pump startup so that the water in outlet pipe to be back in furnace body, while main controller controls gas proportion
Valve is opened to most high fire to heat to recirculation water, and during circulating-heating, temperature sensor is persistently to water in outlet pipe
Temperature carry out detection and by corresponding data transmission to master controller, when detecting that water temperature reaches T-5K if execute D step, if
It does not reach, continues to execute this step；
D: low-temperature heat, main controller controls gas ratio valve are opened to most small fire to be slowly heated to recirculation water,
During low-temperature heat, temperature sensor persistently carries out detection to the temperature of water in outlet pipe and by corresponding data transmission to master
Controller, when detecting that water temperature reaches T if execute E step, continue to execute this step if not reaching；
E: heated at constant temperature, when continuous heating t1 time or water temperature reach T+5K, main controller controls gas ratio valve is closed
To stop heating.
A kind of control method of the zero preheating cold water device for gas-heating water heater as described above, further includes as follows
Step:
F: circulation waits, and main controller controls return water pump startup operates such that the water in outlet pipe in furnace body and return pipe
Internal circulation flow, return water pump startup enter standby mode after the work t2 time, and secondary control returns master controller again after the standby t3 time
Water pump starts the work t2 time, and in circulation waiting process, temperature sensor persistently detects the temperature of water in outlet pipe
And by corresponding data transmission to master controller, when detecting water temperature drop to T-10K if execute step C, if not dropping to
T-10K then continues to execute this step；This step is to detect that the temperature of water in outlet pipe is greater than after E step or in step B
Or executed when equal to preset loop coolant-temperature gage T；
A kind of control method of the zero preheating cold water device for gas-heating water heater as described above, further includes as follows
Step:
G: stop warm-up cycle work, warm-up cycle is automatically stopped work after the program work t4 time, or walks in E or F
Water flow sensing unit senses that warm-up cycle program is automatically stopped work when water flow is in normal bathroom state in rapid.
A kind of control method of the zero preheating cold water device for gas-heating water heater as described above, preset loop water
Temperature T=318.15K, t1=2min, t2=30s, t3=30min, t4=2h.
The present invention compared with prior art, has following technical characterstic:
1, the water in outlet pipe can be back in furnace body and reheat by back water pump, so as to make the cold water of outlet pipe
It is preheated, and then realizes zero cold water function and avoid the process for waiting hot water, so that the comfort of bathroom is improved, and
Reduce the waste of water resource.
2, in circulating-heating step, temperature sensor persistently practices detection to the water temperature in outlet pipe, when its water temperature reaches
It is switched to low temperature heating step when to 45 DEG C, controls very intelligent, and efficiency of energy utilization can be improved.
3, heated at constant temperature step keeps the temperature recirculated water, to extend its soaking time.
4, circulation waiting step improves the insulating power of recirculated water while making full use of electric energy.
5, G step can avoid the waste of power supply.
[Detailed description of the invention]
The specific embodiment of invention is described in further detail with reference to the accompanying drawing, in which:
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is logic control block diagram of the invention；
Fig. 3 is three-dimensional structure diagram of the invention；
Fig. 4 is one of planar structure schematic diagram of the invention；
Fig. 5 is the two of planar structure schematic diagram of the invention.
[specific embodiment]
A kind of zero preheating cold water device for gas-heating water heater, water inlet pipe 2 and outlet pipe including being set to furnace body 1
Return pipe 4 between 3, return pipe 4 are equipped with back water pump 5 to be added for the water in outlet pipe 3 to be back in furnace body 1
Heat, be equipped in furnace body 1 master controller being electrically connected with back water pump 5 and the water flow sensing unit being electrically connected respectively with master controller and
Gas ratio valve, gas ratio valve is for adjusting heating efficiency, and water flow sensing unit is for detecting water flow and by corresponding data
It is sent to master controller, furnace body 1 is equipped with the preheating switch being electrically connected with master controller with the preheating for starting master controller
Cyclic program, outlet pipe 3 are equipped with temperature sensor for incuding in outlet pipe 3 temperature of water and by corresponding data transmission
To master controller, master controller is for calculating required load according to water flow data and water temperature data and controlling gas proportion
The aperture of valve and the work of control back water pump 5.Above-mentioned back water pump 5 specifically produces NTWF301MB1, main control using day
Implement body is using Qi section QK-JLG220VK800, and water flow sensing unit is specifically using ten thousand promise 8.1Q-3, gas ratio valve
Specifically using Ai Ke EBP2008N, temperature sensing implement body is using ten thousand promise G1210K β 3435.
A kind of a kind of control method of above-mentioned zero preheating cold water device for gas-heating water heater, including walk as follows
It is rapid:
A: starting presses preheating switch so that main controller starts warm-up cycle program；
B: temperature detection, temperature sensor detect in outlet pipe 3 temperature of water and by corresponding data transmissions to main control
Device；
C: circulating-heating, if detecting in step B, the temperature of water in outlet pipe 3 is less than preset loop coolant-temperature gage T, leads
Controller controls back water pump 5 and starts work so that the water in outlet pipe 3 to be back in furnace body 1, while main controller controls combustion gas
Proportioning valve is opened to most high fire to heat to recirculation water, and during circulating-heating, temperature sensor is persistently in outlet pipe 3
The temperature of water carry out detection and by corresponding data transmission to master controller, when detecting that water temperature reaches T-5K if execute D step
Suddenly, this step is continued to execute if not reaching；
D: low-temperature heat, main controller controls gas ratio valve are opened to most small fire to be slowly heated to recirculation water,
During low-temperature heat, temperature sensor persistently to the temperature of water in outlet pipe 3 carry out detection and by corresponding data transmission extremely
Master controller, when detecting that water temperature reaches T if execute E step, continue to execute this step if not reaching；
E: heated at constant temperature, when continuous heating t1 time or water temperature reach T+5K, main controller controls gas ratio valve is closed
To stop heating.
Second of control method of above-mentioned a kind of zero preheating cold water device for gas-heating water heater, with first
Kind control method is compared, and further includes following steps:
F: circulation waits, and the starting of main controller controls back water pump 5 operates such that the water in outlet pipe 3 in furnace body 1 and returns
4 internal circulation flow of water pipe, back water pump 5 enter standby mode after starting the work t2 time, and master controller is again after the standby t3 time
It controls back water pump 5 and starts the work t2 time, in circulation waiting process, temperature sensor is persistently to the temperature of water in outlet pipe 3
Carry out detection and by corresponding data transmission to master controller, when detecting water temperature drop to T-10K if execute step C, if
T-10K is not dropped to then continues to execute this step；This step is that water in outlet pipe 3 is detected after E step or in step B
It is executed when temperature is more than or equal to preset loop coolant-temperature gage T；
A kind of the third control method of above-mentioned zero preheating cold water device for gas-heating water heater,
Further include following steps compared with second of control method:
G: stopping warm-up cycle work, and warm-up cycle is automatically stopped work after the program work t4 time and (uses the time relay
Control, when being pressed by preheating switch timing), or water flow sensing unit senses that water flow is in normal in E or F-step
Warm-up cycle program is automatically stopped work when bathroom state (big flow).
Optimal, preset loop coolant-temperature gage T=318.15K, t1=2min, t2=30s, t3=30min, t4=2h.
Claims (5)
1. a kind of zero preheating cold water device for gas-heating water heater, it is characterised in that the water inlet including being set to furnace body (1)
The return pipe (4) between (2) and outlet pipe (3) is managed, the return pipe (4) is equipped with back water pump (5) to be used for outlet pipe (3)
Interior water is back in furnace body (1) and is heated, be equipped in furnace body (1) master controller that is electrically connected with the back water pump (5) with
And the water flow sensing unit and gas ratio valve being electrically connected respectively with the master controller, the gas ratio valve is for adjusting heating
Efficiency, the water flow sensing unit for detecting water flow and by corresponding data transmission to master controller, furnace body (1) be equipped with
With the warm-up cycle program for starting master controller, outlet pipe (3) is equipped with the preheating switch of the master controller electrical connection
Temperature sensor is with the temperature for incuding outlet pipe (3) interior water and by corresponding data transmission to master controller, the master control
Device processed is used to calculate required load according to water flow data and water temperature data and controls the aperture and control of gas ratio valve
The work of back water pump (5).
2. a kind of control method of the zero preheating cold water device for gas-heating water heater, it is characterised in that including walking as follows
It is rapid:
A: starting presses preheating switch so that main controller starts warm-up cycle program；
B: temperature detection, temperature sensor detect the temperature of outlet pipe (3) interior water and by corresponding data transmissions to master controller；
C: circulating-heating, if detecting in step B, the temperature of outlet pipe (3) interior water is less than preset loop coolant-temperature gage T, master control
Device control back water pump (5) starting work processed is the water in outlet pipe (3) to be back in furnace body (1), while main controller controls
Gas ratio valve is opened to most high fire to heat to recirculation water, and during circulating-heating, temperature sensor is persistently to water outlet
Pipe (3) interior water temperature carry out detection and by corresponding data transmission to master controller, when detecting that water temperature reaches T-5K if
D step is executed, this step is continued to execute if not reaching；
D: low-temperature heat, main controller controls gas ratio valve are opened to most small fire to be slowly heated to recirculation water, in low temperature
In heating process, temperature sensor persistently carries out detection to the temperature of outlet pipe (3) interior water and by corresponding data transmission to master
Controller, when detecting that water temperature reaches T if execute E step, continue to execute this step if not reaching；
E: heated at constant temperature, when continuous heating t1 time or water temperature reach T+5K, main controller controls gas ratio valve is closed to stop
Only heat.
3. a kind of control method of zero preheating cold water device for gas-heating water heater according to claim 2,
It is characterized in that further including following steps:
F: circulation waits, main controller controls back water pump (5) starting operate such that water in outlet pipe (3) in furnace body (1) and
Return pipe (4) internal circulation flow, back water pump (5) enter standby mode, main control after the standby t3 time after starting the work t2 time
Device controls back water pump (5) starting work t2 time again, and in circulation waiting process, temperature sensor is persistently to outlet pipe (3)
The temperature of interior water carries out detection and by corresponding data transmission to master controller, when detecting water temperature drop to T-10K if hold
Row step C continues to execute this step if not dropping to T-10K；This step is detected out after E step or in step B
It is executed when the temperature of water pipe (3) interior water is more than or equal to preset loop coolant-temperature gage T.
4. a kind of control method of zero preheating cold water device for gas-heating water heater according to claim 3,
It is characterized in that further including following steps:
G: stopping warm-up cycle work, and warm-up cycle is automatically stopped work after the program work t4 time, or in E or F-step
Water flow sensing unit senses that warm-up cycle program is automatically stopped work when water flow is in normal bathroom state.
5. a kind of control method of zero preheating cold water device for gas-heating water heater according to claim 4,
It is characterized in that preset loop coolant-temperature gage T=318.15K, t1=2min, t2=30s, t3=30min, t4=2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151521.XA CN109737605B (en) | 2019-02-28 | 2019-02-28 | Zero-cold-water preheating device for gas heating water heater and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910151521.XA CN109737605B (en) | 2019-02-28 | 2019-02-28 | Zero-cold-water preheating device for gas heating water heater and control method thereof |
Publications (2)
| Publication Number | Publication Date |
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| CN109737605A true CN109737605A (en) | 2019-05-10 |
| CN109737605B CN109737605B (en) | 2021-05-04 |
Family
ID=66368709
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910151521.XA Active CN109737605B (en) | 2019-02-28 | 2019-02-28 | Zero-cold-water preheating device for gas heating water heater and control method thereof |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285578A (en) * | 2019-05-13 | 2019-09-27 | 广东万家乐燃气具有限公司 | A kind of zero cold water circulating system |
| CN110657583A (en) * | 2019-09-16 | 2020-01-07 | 广东万家乐燃气具有限公司 | Water temperature control method and device |
| CN110953727A (en) * | 2019-12-16 | 2020-04-03 | 华帝股份有限公司 | Constant temperature control method of gas water heater |
| CN111520918A (en) * | 2020-05-06 | 2020-08-11 | 广州迪森家居环境技术有限公司 | Zero-cold-water control method for wall-mounted boiler |
| CN111964269A (en) * | 2020-07-27 | 2020-11-20 | 广东万和新电气股份有限公司 | Gas water heater and automatic judgment and control method for rotating speed precision of fan of gas water heater |
| CN112484312A (en) * | 2020-12-03 | 2021-03-12 | 芜湖美的厨卫电器制造有限公司 | Control method and control device for zero-cold-water gas water heater and processor |
| WO2021114726A1 (en) * | 2019-12-09 | 2021-06-17 | 珠海格力电器股份有限公司 | Gas hot water system and control method therefor |
| CN113587443A (en) * | 2021-08-03 | 2021-11-02 | 广州市果豆科技有限责任公司 | Intelligent water return pump control method and system |
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| CN111964269A (en) * | 2020-07-27 | 2020-11-20 | 广东万和新电气股份有限公司 | Gas water heater and automatic judgment and control method for rotating speed precision of fan of gas water heater |
| CN111964269B (en) * | 2020-07-27 | 2022-01-11 | 广东万和新电气股份有限公司 | Gas water heater and automatic judgment and control method for rotating speed precision of fan of gas water heater |
| CN112484312A (en) * | 2020-12-03 | 2021-03-12 | 芜湖美的厨卫电器制造有限公司 | Control method and control device for zero-cold-water gas water heater and processor |
| CN113587443A (en) * | 2021-08-03 | 2021-11-02 | 广州市果豆科技有限责任公司 | Intelligent water return pump control method and system |
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