CN110966761A - Control method of supercharged gas water heater and gas water heater - Google Patents
Control method of supercharged gas water heater and gas water heater Download PDFInfo
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- CN110966761A CN110966761A CN201811154314.1A CN201811154314A CN110966761A CN 110966761 A CN110966761 A CN 110966761A CN 201811154314 A CN201811154314 A CN 201811154314A CN 110966761 A CN110966761 A CN 110966761A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000002485 combustion reaction Methods 0.000 abstract description 25
- 238000003287 bathing Methods 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 219
- 230000001276 controlling effect Effects 0.000 description 7
- 239000002737 fuel gas Substances 0.000 description 7
- 238000012546 transfer Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000875 corresponding effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- F24H9/2014—Arrangement or mounting of control or safety devices for water heaters using electrical energy supply
- F24H9/2028—Continuous-flow heaters
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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
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/10—Continuous-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
- F24H1/12—Continuous-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
- F24H1/124—Continuous-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 using fluid fuel
Abstract
The invention discloses a control method of a supercharged gas water heater and the gas water heater, wherein the gas water heater comprises a gas supercharging device arranged on a gas inlet pipeline, after the gas water heater is started, the gas supercharging device is controlled to be turned on/off according to whether ignition is successful, gas is supercharged/stopped, after the gas water heater is normally started, ignition is firstly carried out, and if the ignition is successful, normal work is carried out; if the ignition is unsuccessful, the gas inlet pressure is judged to be too low, and the gas supercharging device is controlled to be started to supercharge the gas. The control method and the gas water heater can ensure the gas inlet pressure and stability, thereby ensuring the optimal combustion working condition to be matched, ensuring the temperature and the stability of outlet water and greatly improving the bathing experience of users.
Description
Technical Field
The invention belongs to the field of water heaters, and particularly relates to a control method of a supercharged gas water heater and the gas water heater.
Background
The gas water heater is a quick water heater which burns fuel to transfer heat to water, and is more and more popular with common household users. However, the combustion effect of the gas water heater is limited by the gas supply conditions of the user family, and the phenomenon that the gas water heater cannot work normally occurs due to insufficient gas supply pressure of the general pipe network or insufficient gas supply during the gas consumption peak of some user families, so that the hot water outlet speed and the bathing experience of the user are influenced.
At present, the gas pressure in China is about 3000Pa at most, but the gas pressure is seriously insufficient at the peak time of gas consumption, which inevitably causes the following problems: firstly, the air pressure may be lower than 1000Pa during the peak of gas consumption, so that the gas water heater cannot be started normally; secondly, according to the working principle of the gas water heater, the water outlet speed of hot water is directly influenced when the air pressure is small; thirdly, the stability of atmospheric pressure is poor, influences the stability of leaving water temperature, and these all can be directly experienced by the user in use, greatly influence user experience.
At present, no related gas booster water heater product exists in the market, the proportion of gas and air is adjusted only by controlling the proportional valve when the pressure is low, the pressure stability of the gas behind the proportional valve is improved by increasing the opening degree of the proportional valve, and the effect of the method is very limited when the pressure of the gas is lower than 1000 Pa. Therefore, a gas water heater capable of pressurizing gas is needed, which can ensure the best combustion condition and ensure the temperature and stability of water outlet, thereby improving the user experience.
The present invention has been made in view of this situation.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a control method of a booster gas water heater and the gas water heater. The control method controls the gas supercharging device to be opened/closed according to whether ignition is successful or not, performs/stops supercharging on the gas, and can ensure the gas inlet pressure and stability, thereby ensuring the optimal combustion working condition to be matched, ensuring the temperature and stability of outlet water, and greatly improving the bathing experience of users.
In order to solve the technical problems, the invention adopts the technical scheme that:
the first purpose of the invention is to provide a control method of a pressurization gas water heater, the gas water heater comprises a gas pressurization device arranged on a gas inlet pipeline, and after the gas water heater is started, the gas pressurization device is controlled to be opened/closed according to whether ignition is successful, so as to pressurize gas or stop pressurizing gas.
In a further scheme, after the gas water heater is normally started, ignition is firstly carried out, and if the ignition is successful, normal work is carried out; if the ignition is unsuccessful, the gas inlet pressure is judged to be too low, and the gas supercharging device is controlled to be started to supercharge the gas.
According to the further scheme, after the gas water heater is normally started, if continuous N1 times of ignition is not successful, the gas pressure is judged to be too low, the gas supercharging device is controlled to be started, and the gas is supercharged;
preferably, the number of times of N1 is not less than 2.
In a further scheme, after the gas water heater controls the gas supercharging device to be started, the gas water heater operates according to a set rotating speed V to supercharge gas;
preferably, the gas water heater controls the gas pressurization device to operate at the maximum rotation speed Vmax to pressurize the gas.
In a further scheme, after the gas supercharging device operates for a certain time T according to a set rotating speed V, the gas water heater is ignited again, and if the ignition is successful, the gas supercharging device is closed and the gas water heater burns normally; if the ignition is unsuccessful, the gas supercharging device is closed, and fault alarm or prompt is given out at the same time.
In a further scheme, after the gas supercharging device operates for a certain time T, when the gas water heater is ignited again, if the continuous ignition for N2 times is not successful, the gas supercharging device is closed, and meanwhile, a fault alarm or prompt is given;
preferably, the number of times of N2 is not less than 2.
According to a further scheme, the gas water heater is not successfully ignited again, and shutdown action is executed after a fault alarm or prompt is given out;
preferably, after the gas water heater gives out a fault alarm or prompts for a certain time, if the instruction of the user is not received, the shutdown action is executed;
preferably, the gas water heater closes the gas supercharging device, and automatically stores fault reasons and/or times after fault alarm or prompt is given; or when the gas water heaters are networked, the fault reason and/or the frequency are/is automatically uploaded to the service background.
In a further scheme, the gas supercharging device comprises a driving motor, a driving shaft and a supercharger, wherein the driving motor is connected with the supercharger through the driving shaft; after the gas water heater is normally started, if the ignition is unsuccessful, the driving motor is controlled to be started to drive the supercharger to rotate, and the gas is supercharged.
In a further scheme, the supercharger comprises an impeller, and a driving motor is connected with the impeller and drives the impeller to rotate so as to supercharge gas; after the gas water heater controls the gas supercharging device to be opened, the driving motor is controlled to drive the impeller to operate according to the maximum rotating speed Vmax, and the gas is supercharged for a certain time T.
The second purpose of the invention is to provide a supercharged gas water heater, which comprises a control device, a combustion cavity and a gas inlet pipeline, wherein the gas inlet pipeline is connected with the combustion cavity, gas enters the combustion cavity for combustion, the gas inlet pipeline is provided with a gas supercharging device, and after the gas water heater is started, the gas supercharging device is controlled to be started/closed according to whether ignition is successful or not, so that supercharging is carried out/stopped on the gas.
After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. according to the control method, whether the gas supercharging device is used for supercharging or not is controlled according to whether ignition is successful or not, and the gas inlet pressure and stability can be guaranteed, so that the optimal combustion working condition can be guaranteed to be matched, the temperature and stability of outlet water are guaranteed, and the bathing experience of a user is greatly improved.
2. In the control method, the gas water heater is continuously ignited for N times, and if the ignition is not successful, the gas is pressurized, so that the judgment accuracy can be improved. And after a period of pressurization, if the ignition is successful, the gas supercharging device is closed, so that the gas pressure can be ensured to meet the combustion working condition, the gas supercharging device can be prevented from continuously working excessively, and the service life of the gas supercharging device is prolonged. In addition, when the ignition is still not successful after the pressurization for a period of time, the pressurization is stopped, and meanwhile, a fault prompt is sent out, so that accidents are avoided.
3. The gas water heater adopts a mode that the motor drives the supercharger to supercharge, controls the rotating speed of the supercharger by controlling the motor, is convenient to control the supercharging effect, can effectively ensure the gas inlet pressure and stability, ensures the water outlet temperature and the water outlet stability, and improves the user experience.
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
FIG. 1 is a flow chart of a control method according to a first embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a gas water heater according to a second embodiment of the present invention;
fig. 3 is a flowchart of a control method according to a second embodiment of the present invention.
In the figure: the device comprises a control device 1, a combustion chamber 2, a fuel gas inlet pipeline 3, a fuel gas supercharging device 4, a motor 41, a driving shaft 42, a supercharger 43, a supercharger inlet pipe 431, a supercharger outlet pipe 432 and a proportion adjusting device 5.
It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but to illustrate it by a person skilled in the art with reference to specific embodiments.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example one
As shown in fig. 1, the present embodiment provides a control method for a supercharged gas water heater, where the gas water heater includes a gas supercharging device 4 disposed on a gas inlet pipeline 3, and after the gas water heater is started, the gas supercharging device 4 is controlled to be turned on/off according to whether ignition is successful, so as to supercharge gas.
In this embodiment, the gas water heater with pressure boost function includes heat transfer device, combustion chamber 2 and gas inlet line 3, and gas inlet line 3 is connected with combustion chamber 2, and the gas gets into and burns in combustion chamber 2 and provide the heat source for heat transfer device, and the water in the heat transfer device flows out from the delivery port after the heat exchange, supplies the user to bathe and use.
The gas inlet pipeline 3 is provided with a gas supercharging device 4 which can supercharge gas. The gas supercharging device 4 may include a plurality of types, and it is sufficient to supercharge the gas in the gas intake line 3. For example, the motor 41 may drive a boosting device, or may be a turbo boosting device or other boosting devices. The turbocharger may be a liquid-driven turbocharger, such as a water-driven turbocharger, or a gas-driven turbocharger, such as an air-driven turbocharger, or an exhaust-gas-driven turbocharger.
No matter what kind of driving mode's gas supercharging device 4, the gas heater of this scheme is whether successful control gas supercharging device 4 opens/closes according to igniteing carries out/stops the pressure boost to the gas. So, can control the pressure of the gas of admitting air, guarantee that the gas admission pressure is stable, be applicable to various burning operating modes, guarantee the temperature and the stability of going out water, improve user's bathing greatly and experience.
In a further scheme, after the gas water heater is normally started, ignition is firstly carried out, and if the ignition is successful, normal work is carried out; if the ignition is unsuccessful, the gas inlet pressure is judged to be too low, and the gas supercharging device 4 is controlled to be opened to supercharge the gas.
After the gas water heater is started, whether the water quantity is normal or not is detected, the normal starting is judged after the water quantity is detected to be normal and no fault exists, and the ignition is started. If the ignition is unsuccessful, the gas inlet pressure is judged to be low, and the gas supercharging device 4 is controlled to be started to supercharge the gas. So, judge the gas admission pressure through the procedure of gas heater normal work, need not additionally set up gas pressure detection device, alright in order to carry out the pressure boost to the gas, guarantee gas admission pressure and stability to can guarantee to match best burning operating mode, guarantee the temperature and the stability of play water.
According to the further scheme, after the gas water heater is normally started, if continuous N1 times of ignition is not successful, the gas pressure is judged to be too low, the gas supercharging device 4 is controlled to be started, and the gas is supercharged.
The scheme judges the gas inlet pressure through whether continuous N-time ignition is successful, and judges that the gas pressure is too low when continuous N1-time ignition is unsuccessful, so as to carry out pressurization. Therefore, the accuracy of judgment can be increased, and the judgment error is reduced.
Preferably, the number N1 is not less than 2, and when the two consecutive ignitions are unsuccessful, the gas inlet pressure is determined to be low, and the gas supercharging device 4 is controlled to supercharge the gas.
The gas supercharging device 4 comprises a drive device, a connecting device and a supercharger 43. The drive means, whether electrically driven, water driven or exhaust driven, drives the supercharger 43 through the linkage means to operate. The supercharger 43 is a compressor provided in the gas intake line 3, and includes an impeller, and supercharges the gas in the line by rapid rotation of the impeller. The impeller is disposed inside the supercharger 43 and is not shown.
The control device 1 of the gas water heater is provided with a driving program for controlling the gas supercharging device 4 in advance, and the driving parameters comprise the rotating speed of an impeller in the supercharger 43. In addition, if the gas supercharging device 4 is electrically driven, the driving parameters further include voltage, and/or current, and/or rotation speed, and/or power of the driving motor 41. The relationship of the driving parameter to the supercharging amount can be obtained by experiment. Therefore, the pressurization degree of the fuel gas can be controlled, and the stability of the fuel gas pressure is favorably ensured.
In a further scheme, after the gas water heater controls the gas supercharging device 4 to be opened, the gas water heater operates according to a set rotating speed V to supercharge gas. So, can increase certain pressure to gas in certain time to guarantee to reach the pressure value that can make gas heater normal ignition burning, can also control gas supercharging device 4's operating time simultaneously, avoid gas supercharging device 4 to continuously generate heat, prolong gas supercharging device 4's life guarantees gas heater's normal operating.
Preferably, the gas water heater controls the gas booster device 4 to operate at the maximum rotation speed Vmax to boost the gas. So, can reduce user latency by the fastest pressure boost of carrying out in the shortest time, improve the gas admission pressure, guarantee the stability of admitting air, guarantee leaving water temperature's stability.
In a further scheme, after the gas supercharging device 4 operates for a certain time T according to a set rotating speed V, the gas water heater is ignited again, and if the ignition is successful, the gas supercharging device 4 is closed and the gas water heater burns normally; if the ignition is unsuccessful, the gas supercharging device 4 is closed, and fault alarm or prompt is given out at the same time.
After the gas water heater operates and is pressurized for a period of time T, if the ignition is successful, the gas pressure reaches the pressure of normal operation, the gas pressurizing device 4 is closed, and the gas is combusted normally; if the ignition is not successful, judging that the reason of unsuccessful ignition is not insufficient gas inlet pressure but a fault occurs, and sending out a fault alarm or prompt. The fault alarm or prompt can prompt the ignition needle problem or the proportional valve problem and prompt a user to check. The failure alarm or prompt mode can adopt sound alarm, character or pattern prompt and the like.
In a further scheme, after the gas supercharging device 4 operates for a certain time T, when the gas water heater is ignited again, if the continuous N2 times of ignition is not successful, the gas supercharging device 4 is closed, and meanwhile, a fault alarm or prompt is given out. Therefore, the accuracy of judgment can be increased, and the judgment error is reduced.
Preferably, the number of times of N2 is not less than 2. And when the two continuous ignitions are not successful, judging that a fault occurs, and sending a fault alarm or prompt.
According to a further scheme, the gas water heater is not successfully ignited again, and shutdown action is executed after a fault alarm or prompt is given out; therefore, potential safety hazards can be avoided, and the situation of harm to the surrounding environment is avoided.
In the preferred scheme, after the gas water heater gives out a fault alarm or prompts for a certain time, if the instruction of a user is not received, the shutdown action is executed. In the scheme, after a fault alarm or prompt is sent out, a certain time is reserved for a user to operate, if an instruction of the user is received, the user acts according to the instruction of the user, and if the instruction of the user is not received after the certain time, the shutdown action is executed.
Preferably, the gas water heater closes the gas supercharging device 4, and after a fault alarm or prompt is given, fault reasons and/or times are automatically stored, so that the gas water heater can be conveniently and quickly found for fault reasons after sale for maintenance.
Or when the gas water heaters are networked, the control device 1 of the gas water heater automatically uploads the fault reason and/or the frequency to the service background, so that after-sale timely processing and fault big data summarization are facilitated.
Example two
The embodiment is the further limitation of the first embodiment, the supercharged gas water heater of this embodiment includes controlling means 1, heat transfer device, combustion chamber 2 and gas inlet pipeline 3, and gas inlet pipeline 3 is connected with combustion chamber 2, and the gas gets into and burns in the combustion chamber 2 and provide the heat source for heat transfer device, be provided with electric drive gas supercharging device 4 on the gas inlet pipeline 3, electric drive gas supercharging device 4 and controlling means 1 electricity be connected.
In this scheme, adopt electric drive gas supercharging device 4, controlling means 1 can be convenient control electric drive gas supercharging device 4 open, close, drive parameter etc. control to the pressure boost effect of gas, keep gas pressure in a relatively stable pressure range, guarantee the high-efficient burning of gas heater.
In a further scheme, the gas supercharging device 4 comprises a driving motor 41, a driving shaft 42 and a supercharger 43, wherein the driving motor 41 is connected with the supercharger 43 through the driving shaft 42; after the gas water heater is normally started, if the ignition is unsuccessful, the driving motor 41 is controlled to be started to drive the supercharger 43 to rotate so as to supercharge the gas.
The driving motor 41 is a common motor 41, and may be a fixed frequency motor 41 or a variable frequency motor 41. The drive motor 41 is disposed coaxially with the supercharger 43, and the drive motor 41 is connected to the supercharger 43 via a drive shaft 42. A sheath is provided on the outside of the drive shaft 42. When the continuous ignition for N1 times is unsuccessful, the control device 1 controls the driving motor 41 to start to drive the supercharger 43 to operate for supercharging, so that the gas inlet pressure can be effectively increased, the gas pressure is kept in a relatively stable pressure range, and the gas water heater can efficiently burn.
In a further scheme, the device also comprises a proportion adjusting device 5 communicated with the combustion cavity 2 for adjusting the air intake proportion of the fuel gas and the air; the air outlet end of the supercharger 43 is communicated with the proportion adjusting device 5; the supercharger 43 comprises an impeller, the driving motor 41 is connected with the impeller and drives the impeller to rotate, so as to supercharge the gas, and the supercharged gas enters the proportion adjusting device 5.
In the scheme, the proportion adjusting device 5 is a proportion valve and is arranged at the air inlet end of the combustion cavity 2 to adjust the proportion of fuel gas and air. The gas inlet pipeline 3 is communicated with the proportional valve, and the gas firstly enters the proportional valve and then enters the combustion cavity 2 for combustion. Specifically, the supercharger 43 comprises a housing, a supercharger inlet pipe 431 and a supercharger outlet pipe 432 are arranged on the housing, and the supercharger outlet pipe 432 is communicated with the proportional valve; an impeller is arranged in the housing and is connected with a drive motor 41 through a drive shaft 42.
The gas enters the supercharger 43 from the gas inlet pipe and enters the proportional valve from the supercharger gas outlet pipe 432 through the impeller. When the driving motor 41 works, the impeller in the supercharger 43 is driven to rotate rapidly through the driving shaft 42, so that the pressure of the fuel gas is increased; when the drive motor 41 stops operating, the impeller of the supercharger 43 also stops rotating, and the supercharging of the gas is stopped. Therefore, the gas water heater can control the gas pressure within a certain range by controlling the action of the driving motor 41, so that the pressure is kept stable, and the stability of the outlet water temperature is ensured.
After the gas water heater controls the driving motor 41 to be started, the driving parameters of the control motor 41 and the supercharger 43 are adjusted, and the corresponding action is controlled. The driving parameter is the impeller rotating speed of the supercharger 43 or the driving current or voltage of the motor 41, and a plurality of rotating speed gears are arranged. Different speed gears can be selected according to the supercharging quantity.
In a further scheme, after the gas water heater controls the driving motor 41 to be started, the driving motor 41 is controlled to drive the impeller to operate according to the maximum rotating speed Vmax, and the gas is pressurized for a certain time T. So, can reduce user latency by the fastest pressure boost of carrying out in the shortest time, improve the gas admission pressure, guarantee the stability of admitting air, guarantee leaving water temperature's stability.
In addition, the embodiment also provides a supercharged gas water heater with the control method, which comprises a control device 1, a combustion chamber 2 and a gas inlet pipeline 3, wherein the gas inlet pipeline 3 is connected with the combustion chamber 2, gas enters the combustion chamber 2 for combustion, an electrically-driven gas supercharging device 4 is arranged on the gas inlet pipeline 3, and after the gas water heater is started, the gas supercharging device 4 is controlled to be turned on/off according to whether ignition is successful or not, so that supercharging is performed/stopped on the gas.
Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The control method of the supercharged gas water heater is characterized in that the gas water heater comprises a gas supercharging device arranged on a gas inlet pipeline, and after the gas water heater is started, the gas supercharging device is controlled to be turned on/off according to whether ignition is successful or not so as to supercharge gas.
2. The control method according to claim 1, characterized in that after the gas water heater is normally started, ignition is firstly carried out, and if the ignition is successful, normal operation is carried out; if the ignition is unsuccessful, the gas inlet pressure is judged to be too low, and the gas supercharging device is controlled to be started to supercharge the gas.
3. The control method according to claim 1 or 2, characterized in that after the gas water heater is normally started, if the continuous N1 ignitions are not successful, the gas pressure is judged to be too low, and the gas supercharging device is controlled to be started to supercharge the gas;
preferably, the number of times of N1 is not less than 2.
4. The control method according to any one of claims 1 to 3, wherein the gas water heater is operated at a set rotation speed V after controlling the gas supercharging device to be opened, so as to supercharge gas;
preferably, the gas water heater controls the gas pressurization device to operate at the maximum rotation speed Vmax to pressurize the gas.
5. The control method according to any one of claims 1 to 4, wherein the gas water heater is ignited again after the gas supercharging device operates for a certain time T according to the set rotating speed V, and if the ignition is successful, the gas supercharging device is closed and the gas water heater burns normally; if the ignition is unsuccessful, the gas supercharging device is closed, and fault alarm or prompt is given out at the same time.
6. The control method according to claim 5, characterized in that after the gas supercharging device operates for a certain time T, when the gas water heater is ignited again, if the ignition is not successful for N2 times, the gas supercharging device is closed, and meanwhile, a fault alarm or prompt is given;
preferably, the number of times of N2 is not less than 2.
7. The control method according to claim 5 or 6, wherein the gas water heater is unsuccessfully ignited again, and shutdown is performed after a fault alarm or prompt is given;
preferably, after the gas water heater gives out a fault alarm or prompts for a certain time, if the instruction of the user is not received, the shutdown action is executed;
preferably, the gas water heater closes the gas supercharging device, and automatically stores fault reasons and/or times after fault alarm or prompt is given; or when the gas water heaters are networked, the fault reason and/or the frequency are/is automatically uploaded to the service background.
8. The control method according to any one of claims 1 to 7, wherein the gas supercharging device includes a drive motor, a drive shaft, and a supercharger, the drive motor being connected to the supercharger through the drive shaft; after the gas water heater is normally started, if the ignition is unsuccessful, the driving motor is controlled to be started to drive the supercharger to rotate, and the gas is supercharged.
9. The control method according to claim 8, wherein the supercharger comprises an impeller, and a driving motor is connected with the impeller and drives the impeller to rotate so as to supercharge the gas; after the gas water heater controls the gas supercharging device to be opened, the driving motor is controlled to drive the impeller to operate according to the maximum rotating speed Vmax, and the gas is supercharged for a certain time T.
10. The utility model provides a pressure boost gas heater, includes controlling means, burning chamber and gas inlet line, and the gas inlet line is connected with burning chamber, and the gas gets into burning intracavity burning, its characterized in that, be provided with gas supercharging device on the gas inlet line, gas heater starts the back, whether successfully controls gas supercharging device according to igniteing and opens/close, carries out/stops the pressure boost to the gas.
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| CN106766213A (en) * | 2016-11-01 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of ignition control method of burnt gas wall hanging furnace, device and burnt gas wall hanging furnace |
| CN106931649A (en) * | 2017-04-07 | 2017-07-07 | 珠海格力电器股份有限公司 | A kind of combustion gas method for controlling automatic ignition and device |
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2018
- 2018-09-30 CN CN201811154314.1A patent/CN110966761A/en active Pending
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| CN106556151A (en) * | 2015-09-30 | 2017-04-05 | 青岛经济技术开发区海尔热水器有限公司 | A kind of fuel gas of fuel gas water heater automatic pressure unit and method |
| CN105605796A (en) * | 2016-03-30 | 2016-05-25 | 成都前锋电子有限责任公司 | Combustible-gas-self-adapting combustible gas water heater and control method thereof |
| CN106766213A (en) * | 2016-11-01 | 2017-05-31 | 珠海格力电器股份有限公司 | A kind of ignition control method of burnt gas wall hanging furnace, device and burnt gas wall hanging furnace |
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Application publication date: 20200407 |