CN110186197A - Gas water heater, preheating control method and pressurization control method applying gas water heater - Google Patents
Gas water heater, preheating control method and pressurization control method applying gas water heater Download PDFInfo
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- CN110186197A CN110186197A CN201910428142.0A CN201910428142A CN110186197A CN 110186197 A CN110186197 A CN 110186197A CN 201910428142 A CN201910428142 A CN 201910428142A CN 110186197 A CN110186197 A CN 110186197A
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- Prior art keywords
- water
- water flow
- gas heater
- pipeline
- sensing unit
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 274
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000011897 real-time detection Methods 0.000 claims description 25
- 230000000694 effects Effects 0.000 abstract description 4
- 230000006698 induction Effects 0.000 abstract 3
- 239000007789 gas Substances 0.000 description 52
- 238000010586 diagram Methods 0.000 description 4
- 239000008399 tap water Substances 0.000 description 2
- 235000020679 tap water Nutrition 0.000 description 2
- PZZOEXPDTYIBPI-UHFFFAOYSA-N 2-[[2-(4-hydroxyphenyl)ethylamino]methyl]-3,4-dihydro-2H-naphthalen-1-one Chemical compound C1=CC(O)=CC=C1CCNCC1C(=O)C2=CC=CC=C2CC1 PZZOEXPDTYIBPI-UHFFFAOYSA-N 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- 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
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)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Domestic Hot-Water Supply Systems And Details Of Heating Systems (AREA)
Abstract
The invention discloses a gas water heater, which comprises a water heater shell, a heat exchanger, a water flow pipeline, a water flow induction unit, an electromagnetic cut-off unit, a water pump and a controller, wherein the heat exchanger is arranged in the water heater shell, the water flow pipeline penetrates through the heat exchanger, the water flow induction unit is arranged on the water flow pipeline and is used for detecting water flow, the electromagnetic cut-off unit is positioned on the water flow pipeline to prevent hot water from flowing back, and the controller is used for controlling the water flow induction unit, the electromagnetic cut-off unit and the water pump; the invention also discloses a preheating control method and a pressurization control method of the gas water heater; according to the invention, the electromagnetic stop unit is arranged on the water flow pipeline, so that hot water backflow in the pressurization process is prevented, the pressurization effect is improved, and further, the energy is saved.
Description
Technical field
The invention belongs to gas heater technical fields, and in particular to a kind of gas heater, the warm-up control using it
Method and supercharging control method.
Background technique
Zero cold water gas heater can be realized the development trend that hot water plug and play has become water heater industry because of it.
After conventional zero cold water gas heater starting function of increasing pressure, pump operation built in water heater carries out water pressurization, portion
Divide hot water to flow through return pipe and be back to water heater, the practical water yield of hot water tap is caused to reduce.In pressurization working condition, Yong Huguan
After closing hot water tap, tap water stops entering water heater, but built-in water pump still keeps on the go, and hot water return flow is closed greater than program
Machine flow, then water heater is transferred to circulation preheating mode automatically, under this state only when return water temperature reaches program preheating temperature,
It can just switch off the pump.The process that hot water tap stalls to water pump is closed from user and consumes excessive combustion gas and electric power, and it is unnecessary to cause
Waste.
Summary of the invention
The object of the present invention is to provide a kind of gas heaters, end unit by the way that electromagnetism is arranged on water pipeline, prevent
Stop hot water return in pressurization, improves supercharging effect, and then saved the energy.
It is a further object of the present invention to provide a kind of gas heater preheating control methods.
It is a further object of the present invention to provide a kind of gas heater supercharging control methods.
The technical scheme adopted by the invention is that:
A kind of gas heater comprising water heater housing, heat exchanger, water pipeline, water flow sensing unit, electromagnetism are cut
Stop element, water pump and controller, the heat exchanger are arranged in water heater housing, and the water pipeline passes through heat exchange
Device, the water flow sensing unit are arranged on water pipeline for detecting water flow, and the electromagnetism cut-off unit is located at water flow pipes
For preventing hot water return, the controller is equal for controlling water flow sensing unit, electromagnetism cut-off unit and water pump for road.
Preferably, the water pipeline includes inlet pipeline, water return pipeline and main line, described inlet pipeline one end with
Water source connection, the other end are connect by water pump with main line, and described water return pipeline one end is connected to main line, the other end and water inlet
Piping connection.
Preferably, the water flow sensing unit is arranged on main line for detecting water flow.
Preferably, the electromagnetism cut-off unit is bi-directional electromagnetic shut-off valve, is located on water return pipeline for preventing into water
Pipeline and water return pipeline water flow intercommunication.
Preferably, the electromagnetism cut-off unit includes unidirectional electromagnet cut off valve and check valve, the unidirectional electromagnet cut off valve
For preventing the water of water return pipeline from flowing into water heater housing on water return pipeline, the check valve, which is located on water return pipeline, to be used
In the water inflow water return pipeline for preventing inlet pipeline.
A kind of gas heater preheating control method, applies above-mentioned gas heater, and the preheating control method is specific
Are as follows:
Step 1, start the pre- heat function of gas heater, the controller control electromagnetism cut-off unit and water pump are opened；
Step 2, the water flow sensing unit real-time detection water flow, and according to the water flow and preset water flow threshold
Whether the relationship control gas heater between value enters preheating mode.
Preferably, in the step 2, judge whether gas heater enters the method for preheating mode, specifically:
When the water flow that the water flow sensing unit detects be greater than preset water flow threshold value when, gas heater into
Enter preheating mode；Conversely, water flow sensing unit continues real-time detection water flow.
A kind of gas heater supercharging control method, applies above-mentioned gas heater, and the supercharging control method is specific
Are as follows:
Step 11, electromagnetism cut-off unit in the closure state, starts the function of increasing pressure of gas heater；
Step 12, water flow sensing unit real-time detection water flow, and according to the water flow and preset booting water flow
Whether the relationship control gas heater between threshold value enters boost mode.
Preferably, in step 12, judge whether gas heater enters the method for boost mode, specifically:
When the water flow that the water flow sensing unit detects is greater than booting water flow threshold value, gas heater enters
Boost mode；Conversely, water flow sensing unit continues real-time detection water flow.
Preferably, changing supercharging control method further comprises:
After gas heater enters boost mode, water flow sensing unit real-time detection water flow, when the water flow is small
When preset shutdown water flow threshold value, water pump is closed, and completes pressurization；Otherwise maintain boost mode operation.
Compared with prior art, the present invention is in use, be pressurized gas heater by the setting that electromagnetism ends unit
Under mode, hot water return is avoided, influences supercharging effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the embodiment of the present invention 1 provides that a kind of gas heater is in warm operation state；
Fig. 2 is that the embodiment of the present invention 1 provides a kind of structural schematic diagram of the gas heater in pressurization working condition；
Fig. 3 is the structural schematic diagram that the embodiment of the present invention 2 provides that a kind of gas heater is in warm operation state；
Fig. 4 is that the embodiment of the present invention 2 provides a kind of structural schematic diagram of the gas heater in pressurization working condition；
Fig. 5 is that the embodiment of the present invention 3 provides a kind of flow chart of gas heater preheating control method；
Fig. 6 is that the embodiment of the present invention 4 provides a kind of flow chart of gas heater supercharging control method.
Appended drawing reference:
1-- water heater housing, 2-- heat exchanger, 3-- water pipeline, 4-- water flow sensing unit, the cut-off of 5-- electromagnetism are single
Member, 6-- water pump, 7-- controller, 31-- inlet pipeline, 32-- water return pipeline, 33-- main line, the unidirectional electromagnet cut off valve of 51--,
52-- check valve.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Embodiment 1
The embodiment of the present invention 1 provides a kind of gas heater, as shown in Figs. 1-2 comprising water heater housing 1, heat exchange
Device 2, water pipeline 3, water flow sensing unit 4, electromagnetism cut-off unit 5, water pump 6 and controller 7, in which:
Heat exchanger 2 is arranged in water heater housing 1, and water pipeline 3 passes through heat exchanger 2, and water flow sensing unit 4 is arranged
For detecting water flow on water pipeline 3, electromagnetism cut-off unit 5 is located on water pipeline 3 for preventing hot water return, controls
Device 7 is for controlling water flow sensing unit 4, electromagnetism cut-off unit 5 and water pump 6.
Water pipeline 3 includes inlet pipeline 31, water return pipeline 32 and main line 33, and 31 one end of inlet pipeline and water source connect
It connects, the other end is connect by water pump 6 with main line 33, and 32 one end of water return pipeline is connected to main line 33, the other end and water inlet pipe
Road 31 connects.
Water flow sensing unit 4 is arranged on main line 33 for detecting water flow.
It is bi-directional electromagnetic shut-off valve that electromagnetism, which ends unit 5, is located on water return pipeline 32 for preventing 31 He of inlet pipeline
32 water flow intercommunication of water return pipeline.
In this embodiment, it is closed state when bi-directional electromagnetic shut-off valve is normally off, i.e. no power, is beaten after energization
Open state helps to reduce power consumption.
The course of work:
Using the gas heater of the embodiment when being preheated, start the pre- heat function of gas heater, controller 7
It controls bi-directional electromagnetic shut-off valve and water pump 6 is opened, later, 4 real-time detection water flow of water flow sensing unit, when water flow is greater than water
When flow threshold, gas heater enters preheating mode；Conversely, water flow sensing unit 4 continues real-time detection water flow.
Using the gas heater of the embodiment when being pressurized, bi-directional electromagnetic shut-off valve in the closure state, is opened
The function of increasing pressure of dynamic gas heater, later, 4 real-time detection water flow of water flow sensing unit, when water flow is greater than booting water flow
When measuring threshold value, gas heater enters boost mode；Conversely, water flow sensing unit 4 continues real-time detection water flow；
After gas heater enters boost mode, 4 real-time detection water flow of water flow sensing unit, when water flow is less than in advance
If shutdown water flow threshold value when, water pump close, complete pressurization；Otherwise maintain boost mode operation.
Embodiment 2
The embodiment of the present invention 2 provides a kind of gas heater, as shown in Figure 3-4 comprising water heater housing 1, heat exchange
Device 2, water pipeline 3, water flow sensing unit 4, electromagnetism cut-off unit 5, water pump 6 and controller 7, wherein
Heat exchanger 2 is arranged in water heater housing 1, and water pipeline 3 passes through heat exchanger 2, and water flow sensing unit 4 is arranged
For detecting water flow on water pipeline 3, electromagnetism cut-off unit 5 is located on water pipeline 3 for preventing hot water return, controls
Device 7 is for controlling water flow sensing unit 4, electromagnetism cut-off unit 5 and water pump 6.
Water pipeline 3 includes inlet pipeline 31, water return pipeline 32 and main line 33, and 31 one end of inlet pipeline and water source connect
It connects, the other end is connect by water pump 6 with main line 33, and 32 one end of water return pipeline is connected to main line 33, the other end and water inlet pipe
Road 31 connects.
Water flow sensing unit 4 is arranged on main line 33 for detecting water flow.
It includes unidirectional electromagnet cut off valve 51 and check valve 52 that electromagnetism, which ends unit 5, and unidirectional electromagnet cut off valve 51 is located at return water
For preventing the water of water return pipeline 32 from flowing into water heater housing 1 on pipeline 32, check valve 52, which is located on water return pipeline 32, to be used for
Prevent the water of inlet pipeline 31 from flowing into water return pipeline 32.
In this embodiment, it is closed state when unidirectional electromagnet cut off valve 51 is normally off, i.e. no power, is after energization
Opening state helps to reduce power consumption.
The course of work:
Using the gas heater of the embodiment when being preheated, start the pre- heat function of gas heater, controller 7
It controls unidirectional electromagnet cut off valve 51 and water pump 6 is opened, later, 4 real-time detection water flow of water flow sensing unit, when water flow is greater than
When water flow threshold value, gas heater enters preheating mode；Conversely, water flow sensing unit 4 continues real-time detection water flow.
Using the gas heater of the embodiment when being pressurized, unidirectional electromagnet cut off valve 51 in the closure state,
Start the function of increasing pressure of gas heater, later, 4 real-time detection water flow of water flow sensing unit, when water flow is greater than booting water
When flow threshold, gas heater enters boost mode；Conversely, water flow sensing unit 4 continues real-time detection water flow；
After gas heater enters boost mode, 4 real-time detection water flow of water flow sensing unit, when water flow is less than in advance
If shutdown water flow threshold value when, water pump close, complete pressurization；Otherwise maintain boost mode operation.
Embodiment 1 and embodiment 2 further comprise operating display, are provided on operating display for opening pre- hot merit
Can preheating function key and function of increasing pressure key for opening function of increasing pressure.
Embodiment 3
The embodiment of the present invention 3 provides a kind of gas heater preheating control method, as shown in figure 5, specifically according to following step
It is rapid to implement:
S1 starts the pre- heat function of gas heater；
S2, controller controls electromagnetism cut-off unit 5 and water pump 6 is opened；
S3,4 real-time detection water flow of water flow sensing unit；
S4, when water flow is greater than water flow threshold value, gas heater enters preheating mode；Conversely, water flow sensing unit 4
Continue real-time detection water flow.
After completing preheating, electromagnet cut off valve and water pump are closed.
After the present embodiment starts pre- heat function, controller control pump operation simultaneously opens unidirectional electromagnet cut off valve or two-way
Electromagnet cut off valve, when the water flow sensing unit detects that water flow is greater than preset booting flow threshold, then combustion preheater；
After completing preheating, controller, which exports water pump, closes pump instruction, and is re-closing off electromagnet cut off valve；It is single in circulation warm
It is constantly on state to electromagnet cut off valve or bi-directional electromagnetic shut-off valve, is closed circulation line, it is ensured that normal preheating.
Embodiment 4
The embodiment of the present invention 4 provides a kind of gas heater supercharging control method, as shown in fig. 6, specifically according to following step
It is rapid to implement:
S11 starts the function of increasing pressure of gas heater；
S12,4 real-time detection water flow of water flow sensing unit；
S13, when water flow is greater than booting water flow threshold value, gas heater enters boost mode；Conversely, water flow incudes
Unit 4 continues real-time detection water flow；
S14, after gas heater enters boost mode, 4 real-time detection water flow of water flow sensing unit, when water flow is small
When preset shutdown water flow threshold value, water pump is closed, and completes pressurization；Otherwise maintain boost mode operation.
After the present embodiment opens function of increasing pressure, when water flow sensing unit detection water flow is greater than preset booting flow
When threshold value, controller controls pump operation, promotes originally water flow, at this time bi-directional electromagnetic shut-off valve or unidirectional electromagnet cut off valve
Still in closed state, prevents hot water return to water heater, promote supercharging effect；In pressure operation state, when user closes hot water
Afterwards, tap water stops flow into, and when water flow sensing unit measures water flow less than preset shutdown flow threshold, then controller is to water
Pump instruction is closed in pump output, is realized and is quickly closed pump.
More than, it is merely preferred embodiments of the present invention, but scope of protection of the present invention is not limited thereto, it is any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of gas heater, which is characterized in that it include water heater housing (1), heat exchanger (2), water pipeline (3),
Water flow sensing unit (4), electromagnetism cut-off unit (5), water pump (6) and controller (7), the heat exchanger (2) are arranged in heat
In water heater casing (1), the water pipeline (3) passes through the heat exchanger (2), and the water flow sensing unit (4) is arranged in water
For detecting water flow on flow tube road (3), electromagnetism cut-off unit (5) is located on water pipeline (3) to prevent hot water return,
The controller (7) is for controlling water flow sensing unit (4), electromagnetism cut-off unit (5) and water pump (6).
2. a kind of gas heater according to claim 1, which is characterized in that the water pipeline (3) includes water inlet pipe
Road (31), water return pipeline (32) and main line (33), described inlet pipeline (31) one end are connect with water source, and the other end passes through water
Pump (6) is connect with main line (33), and described water return pipeline (32) one end is connected to main line (33), the other end and inlet pipeline
(31) it connects.
3. a kind of gas heater according to claim 1 or 2, which is characterized in that electromagnetism cut-off unit (5) is double
To electromagnet cut off valve, it is located on water return pipeline (32) for preventing inlet pipeline (31) and water return pipeline (32) water flow intercommunication.
4. a kind of gas heater according to claim 1 or 2, which is characterized in that the electromagnetism ends unit (5) and includes
Unidirectional electromagnet cut off valve (51) and check valve (52), the unidirectional electromagnet cut off valve (51) are located on water return pipeline (32) for preventing
The water of non-return water lines (32) flows into water heater housing (1), and the check valve (52) is located on water return pipeline (32) for preventing
Only the water of inlet pipeline (31) flows into water return pipeline (32).
5. a kind of gas heater according to claim 1 or 2, which is characterized in that water flow sensing unit (4) setting
On main line (33).
6. a kind of preheating control method using the described in any item gas heaters of claim 1-5, which is characterized in that this is pre-
Heat control method specifically:
Step 1, start the pre- heat function of gas heater, controller (7) control electromagnetism cut-off unit (5) and water pump (6)
It opens；
Step 2, water flow sensing unit (4) the real-time detection water flow, and according to the water flow and preset water flow threshold
Whether the relationship control gas heater between value enters preheating mode.
7. a kind of gas heater default control method according to claim 6, which is characterized in that in the step 2, sentence
Whether disconnected gas heater enters the method for preheating mode, specifically:
When the water flow that the water flow sensing unit (4) detects be greater than preset water flow threshold value when, gas heater into
Enter preheating mode；Conversely, water flow sensing unit (4) continues real-time detection water flow.
8. a kind of supercharging control method of the gas heater using any one of claim 1-5, which is characterized in that the pressurization control
Method processed specifically:
Step 11, electromagnetism cut-off unit (5) in the closure state, starts the function of increasing pressure of gas heater；
Step 12, water flow sensing unit (4) real-time detection water flow, and according to the water flow and preset booting water flow threshold
Whether the relationship control gas heater between value enters boost mode.
9. a kind of gas heater supercharging control method according to claim 8, which is characterized in that in step 12, sentence
Whether disconnected gas heater enters the method for boost mode, specifically:
When the water flow that the water flow sensing unit (4) detects is greater than booting water flow threshold value, gas heater enters
Boost mode；Conversely, water flow sensing unit (4) continues real-time detection water flow.
10. a kind of gas heater supercharging control method according to claim 9, which is characterized in that change pressurization control side
Method further comprises:
After gas heater enters boost mode, water flow sensing unit (4) real-time detection water flow, when the water flow is less than
When preset shutdown water flow threshold value, water pump is closed, and completes pressurization；Otherwise maintain boost mode operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428142.0A CN110186197A (en) | 2019-05-22 | 2019-05-22 | Gas water heater, preheating control method and pressurization control method applying gas water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910428142.0A CN110186197A (en) | 2019-05-22 | 2019-05-22 | Gas water heater, preheating control method and pressurization control method applying gas water heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110186197A true CN110186197A (en) | 2019-08-30 |
Family
ID=67717245
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910428142.0A Pending CN110186197A (en) | 2019-05-22 | 2019-05-22 | Gas water heater, preheating control method and pressurization control method applying gas water heater |
Country Status (1)
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| CN (1) | CN110186197A (en) |
Cited By (2)
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| CN110657298A (en) * | 2019-11-13 | 2020-01-07 | Tcl家用电器（中山）有限公司 | Combined one-way check valve and hot water system |
| CN110906563A (en) * | 2019-12-06 | 2020-03-24 | 华帝股份有限公司 | Intelligent pressurization control method for gas water heater |
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Application publication date: 20190830 |