CN114322299A - Control method of gas water heater - Google Patents
Control method of gas water heater Download PDFInfo
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- CN114322299A CN114322299A CN202111491209.9A CN202111491209A CN114322299A CN 114322299 A CN114322299 A CN 114322299A CN 202111491209 A CN202111491209 A CN 202111491209A CN 114322299 A CN114322299 A CN 114322299A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 343
- 238000000034 method Methods 0.000 title claims abstract description 27
- 239000007788 liquid Substances 0.000 claims description 16
- 238000006073 displacement reaction Methods 0.000 description 12
- 230000000694 effects Effects 0.000 description 6
- 238000005273 aeration Methods 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000008400 supply water Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000005587 bubbling Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The invention discloses a control method of a gas water heater, which cuts off a water path of a connecting pipe through an electromagnetic valve to enable external air to enter a dissolved air tank through a one-way valve, thereby enabling the dissolved air tank to be filled with air in advance, then the electromagnetic valve switches on the water path of the connecting pipe to make the external water supply enter the air dissolving tank through the connecting pipe, and simultaneously the external air enters the air dissolving tank along with the external water supply through the one-way valve, under the action of the spoiler, the external air and the external water supply are mixed to generate micro-bubble water, then the dissolved air tank is aerated for a plurality of times by adopting a water metering method, so that the total amount of the output micro-bubble water meets the water quantity of the bathtub, and sufficient bubble concentration is ensured, thereby realizing the continuous output of the micro-bubble water, the method is simple and feasible, and can enable the gas water heater to realize continuous output of micro-bubble water, thereby meeting different micro-bubble water consumption requirements of users. The structure is simple, and the micro-bubble water function of the gas water heater can be realized.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a control method of a gas water heater.
Background
The nanometer micro-bubble water has the effects of sterilization, deep cleaning and the like, does not generate harmful substances to human bodies, and becomes a new trend in the industry of hot water supply equipment. In the related technology, most of microbubble gas water heaters are provided with a dissolved air tank in an internal water path, the dissolved air tank is inflated by adopting modes of external air pump pumping or water pump drainage and air suction, and the like, so that air is dissolved into water under the action of water pressure to form microbubble water with the gas-liquid mixing ratio of about 1-3%; and a bubbler or a bubbling shower head is additionally arranged at the hot water faucet, so that the micro-bubble effect can be improved. If the volume is calculated according to 1L of the dissolved air tank, only 100L of micro-bubble water can be output, and the concentration of the micro-bubbles becomes gradually lighter the longer the hot water outlet time is, so that the micro-bubble water volume requirement of a common 200-300L bathtub cannot be met. If a dissolved air tank with larger volume is adopted, the dissolved air tank undoubtedly occupies more space of the machine body, thereby further increasing the production cost of the product.
Disclosure of Invention
The invention aims to solve at least one of the problems in the prior related art to a certain extent, and therefore, the invention provides a control method of a gas water heater, which is simple and feasible, and can enable the gas water heater to realize continuous output of micro-bubble water, thereby meeting different micro-bubble water consumption requirements of users.
The above purpose is realized by the following technical scheme:
the control method of the gas water heater comprises a heat exchanger body, wherein the heat exchanger body is communicated with a water inlet pipe and a water outlet pipe, a connecting pipe is communicated between the water inlet pipe and the water outlet pipe, a gas valve is arranged on the heat exchanger body, a water flow inductor, a temperature sensor, an electromagnetic valve, a dissolved air tank and a water pump are sequentially arranged on the connecting pipe along the water inlet direction, a check valve is arranged on the electromagnetic valve to guide external air into the electromagnetic valve, and the control method of the gas water heater comprises the following steps:
after the gas water heater enters a micro-bubble standby mode;
closing the electromagnetic valve, simultaneously starting a water pump to discharge the stored water in the air dissolving tank to the outside, and introducing external air into the air dissolving tank;
when the preset full-air condition is reached, the electromagnetic valve is opened again, and the water pump is closed at the same time;
comparing the current water flow value with the preset starting-up flow value, and determining to open the gas valve according to the comparison result, so that the gas water heater enters a micro-bubble operation mode, and meanwhile, accumulating the micro-bubble water quantity and the total hot water quantity;
and comparing the total hot water quantity with a target hot water quantity, and determining to close the electromagnetic valve and the gas valve simultaneously according to a comparison result so as to enable the gas water heater to exit a micro-bubble operation mode.
In some embodiments, the step of comparing the total amount of hot water with a target amount of hot water, and the step of determining to close the solenoid valve and the gas valve simultaneously according to the comparison result comprises:
judging whether the total hot water amount is larger than the target hot water amount;
if yes, closing the electromagnetic valve and the gas valve at the same time;
and if not, comparing the micro-bubble water quantity with a preset bubble water quantity.
In some embodiments, the step of comparing the microbubble water amount with a preset bubble water amount comprises:
comparing the microbubble water quantity with a preset bubble water quantity, and comparing the current water flow value with the preset starting-up flow value again according to a comparison result;
comparing the current water flow value with the preset starting-up flow value again, and closing the gas valve according to the comparison result;
and returning to compare the total hot water quantity with the target hot water quantity again until the current water flow value is larger than the preset starting-up flow value.
In some embodiments, the step of comparing the microbubble water amount with a preset bubble water amount and comparing the current water flow value with the preset startup flow value again according to the comparison result includes:
judging whether the microbubble water amount is larger than the preset bubble water amount or not;
if yes, closing the gas valve, resetting the micro bubble water volume, and returning to discharge the stored water in the gas dissolving tank to the outside again;
if not, comparing the current water flow value with the preset starting-up flow value again.
In some embodiments, the step of comparing the current water flow value with the preset starting-up flow value again, and the step of closing the gas valve according to the comparison result comprises:
judging whether the current water flow value is larger than the preset starting-up flow value or not;
if so, returning to compare the total hot water quantity with the target hot water quantity again;
if not, closing the gas valve.
In some embodiments, the step of the gas water heater entering the microbubble standby mode comprises:
after the gas water heater enters a micro-bubble standby mode, judging whether the current water flow value is larger than the preset starting-up flow value;
if yes, closing the electromagnetic valve, and simultaneously starting a water pump to discharge the stored water in the air dissolving tank to the outside;
and if not, controlling the gas water heater to return to the micro-bubble standby mode.
In some embodiments, the step of comparing the current water flow value with the preset starting-up flow value and deciding to open the gas valve according to the comparison result comprises:
judging whether the current water flow value is larger than the preset starting-up flow value or not;
if yes, opening the gas valve;
and if not, controlling the gas water heater to return to the micro-bubble standby mode.
In some embodiments, the preset full condition is whether the water level in the air dissolving tank reaches a preset level or whether the current water displacement reaches a preset water displacement.
In some embodiments, the air pump is disposed on an end of the one-way valve remote from the solenoid valve.
In some embodiments, further comprising a turbulator disposed within the air dissolving tank to mix air and water supply entering the air dissolving tank.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the control method of the gas water heater is simple and feasible, and can enable the gas water heater to realize continuous output of micro-bubble water, thereby meeting different micro-bubble water consumption requirements of users.
Drawings
FIG. 1 is a schematic structural diagram of a gas water heater in an embodiment of the invention;
fig. 2 is a flow chart of a control method of a gas water heater in the embodiment of the invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of the claims of the present invention.
Example (b):
as shown in fig. 1 and 2, the present embodiment provides a control method of a gas water heater, wherein a water path of a connecting pipe 2 is disconnected by an electromagnetic valve 6 to make external air enter a dissolved air tank 8 through a one-way valve 61, so that the dissolved air tank 8 is filled with air in advance, then the electromagnetic valve 6 conducts the water path of the connecting pipe 2 to make external water supply enter the dissolved air tank 8 through the connecting pipe 2, and simultaneously the external air enters the dissolved air tank 8 along with the external water supply through the one-way valve 61, so that the external air and the external water supply are mixed by a spoiler 81, a water pump 9 is operated at a high speed to further mix liquid and air, so that the gas water heater generates micro-bubble water, thereby effectively improving the stability of micro-bubble water generation, then the dissolved air tank 8 is inflated by a water metering method for a plurality of times to make the total amount of output micro-bubble water meet the water volume of a bathtub, and ensure sufficient bubble concentration, thereby realize continuously outputting little bubble water, so can make dissolved air tank 8 small, do benefit to the inside overall arrangement setting of gas heater to ensure water pressure resistance, its method is simple feasible, can make gas heater realize continuously outputting little bubble water, thereby satisfy the little bubble water quantity demand of user's difference.
As shown in fig. 1, the gas water heater comprises a heat exchanger body 1, the heat exchanger body 1 is communicated with a water inlet pipe 11 and a water outlet pipe 12, one end of the heat exchanger body 1 is communicated with external water supply through the water inlet pipe 11, the other end of the heat exchanger body is communicated with an external water consumption point through the water outlet pipe 12, a connecting pipe 2 is communicated at the middle position of the water inlet pipe 11 and the water outlet pipe 12, so that one end of the connecting pipe 2 is communicated with the water inlet pipe 11, the other end of the connecting pipe 2 is communicated with the water outlet pipe 12, one end of the connecting pipe 2 close to the water inlet pipe 11 is provided with a water flow sensor 4, one end of the connecting pipe 2 close to the water outlet pipe 12 is provided with a temperature sensor 5, a solenoid valve 6, a dissolved air tank 8 and a water pump 9 in sequence, and the solenoid valve 6, the dissolved air tank 8 and the water pump 9 are all arranged at one end of the connecting pipe 2 close to the water outlet pipe 12, so as to avoid abnormal sound caused by micro-bubble water boiling at the inner wall of the heat exchange pipe, the controller of the gas water heater is respectively electrically connected with the water flow sensor 4, the temperature sensor 5, the electromagnetic valve 6 and the water pump 9. Switch action through solenoid valve 6 switches on or breaks off with the pipeline to connecting pipe 2, thereby make outside water supply get into behind the connecting pipe 2 through solenoid valve 6 in proper order, dissolve gas pitcher 8, water pump 9, outlet pipe 12 flows outward, make outside air flow through check valve 61 in proper order simultaneously, connecting pipe 2 flows toward dissolving in the gas pitcher 8, perhaps make outside air get into in the solenoid valve 6 through the air inlet, flow in the gas pitcher 8 along with supplying water through connecting pipe 2 again, the controller is through control solenoid valve 6, rivers inductor 4, water pump 9 cooperates the work jointly so that little bubble water function is realized to the gas heater.
In this embodiment, be provided with gas valve 3 on heat exchanger body 1, gas valve 3 is installed on this internal gas supply circuit of gas heater, thereby can control the break-make of gas, in addition, be provided with control panel on gas heater's the positive terminal surface, be provided with the temperature set key on control panel and be used for opening the microbubble key of little bubble water function, the user can set up the target hot water volume in advance through control panel, and can demonstrate the target hot water volume through control panel, of course, the user still passes through the microbubble key so that gas heater gets into little bubble water function fast, little bubble water function is including the microbubble standby mode who goes on in proper order, microbubble inflation mode and microbubble operational mode, thereby make gas heater carry out little bubble water work.
In this embodiment, the electromagnetic valve 6 can open and block the water path of the connection pipe 2, and is preferably a normally open type pilot operated electromagnetic valve 6, so as to effectively reduce power consumption and further facilitate the purpose of saving power. The temperature sensor 5 is arranged at the water inlet end position of the electromagnetic valve 6, so that the water inlet temperature is monitored in real time; the check valve 61 is disposed at a position of a water outlet end of the solenoid valve 6, and a conduction direction thereof is a direction in which the external air flows toward the inside of the solenoid valve 6, thereby preventing the water supplied inside the connection pipe 2 from overflowing to the outside and effectively guiding the external air into the solenoid valve 6. Further, the dissolved air tank 8 is preferably a hollow tank-like casing having a volume of more than 1L so that the amount of microbubble water to be delivered is more than 100L. More preferably, be equipped with the spoiler 81 that is used for mixing tap water and air dissolving the gas pitcher 8 inner chamber, the spoiler 81 sets up in dissolving the gas pitcher 8, spoiler 81 is described for the example of spoiler, other no longer describe, the spoiler transversely sets up in dissolving the gas pitcher 8, and the interval is equipped with a plurality of water service mouth so that the air and the water supply that get into in dissolving the gas pitcher 8 on the spoiler mixes, thereby make the air dissolve the aquatic more easily in order to form little bubble water, of course, spoiler 81 still can adopt different structures so that the air that gets into and dissolve gas pitcher 8 and supply water realization aqueous vapor mixing effect can, thereby strengthen the gas-liquid mixing effect under spoiler 81's effect, and then realized the stability that little bubble water generated. In the present embodiment, the gas tank 8 is preferably formed by stamping and brazing a high-strength corrosion-resistant metal plate.
In this embodiment, an air pump may be further added to the one end of the check valve 61 far away from the electromagnetic valve 6, and the air pump is electrically connected to the controller of the gas water heater, so that the water pump 9 may be cancelled on the connection pipe 2, and the air pump may be used to replace the water pump 9 to inflate the dissolved air tank 8. In the microbubble inflation mode, after the hot water tap is opened and water is supplied, the controller closes the electromagnetic valve 6 and opens the air pump to perform drainage and inflation work on the dissolved air tank 8.
In this embodiment, break off the water route of connecting pipe 2 through solenoid valve 6 so that the outside air gets into through check valve 61 and dissolves in the gas pitcher 8, thereby the messenger dissolves the gas pitcher 8 and is full of the air in advance, then solenoid valve 6 switches on the water route of connecting pipe 2 so that the outside supplies water to get into through connecting pipe 2 and dissolves in the gas pitcher 8, outside air gets into along with the outside supplies water through check valve 61 simultaneously and dissolves in the gas pitcher 8, carry out gas-liquid mixture with making outside air and outside supply water under spoiler 81's effect, operate with further mixed liquid gas through water pump 9 at a high speed, thereby realize the little bubble water of outgoing.
As shown in fig. 2, the control method of the gas water heater specifically includes the following steps:
and step S101, after the gas water heater enters a micro-bubble standby mode.
In this embodiment, the gas water heater is in the ordinary shower mode, the controller opens the electromagnetic valve, and at this time, the water path between the water inlet pipe and the water outlet pipe is switched on, and after the ordinary shower mode is filled with water, the water pressure in the air dissolving tank is in a water full state, and since the water pressure at the position of the electromagnetic valve is positive pressure, external air cannot be sucked into the electromagnetic valve, so that micro-bubble water is not generated in the gas water heater.
Under the ordinary shower mode, the operator starts the microbubble water function through the microbubble key of control panel to make gas heater switch to microbubble standby mode from ordinary shower mode.
Step S102, closing the electromagnetic valve, starting the water pump to discharge the water stored in the air dissolving tank to the outside, and introducing the outside air into the air dissolving tank.
In this embodiment, after the gas water heater enters the microbubble standby mode, whether the current water flow value is greater than a preset startup flow value is judged;
if yes, closing the electromagnetic valve, and simultaneously starting the water pump to discharge the stored water in the dissolved air tank to the outside;
and if not, controlling the gas water heater to return to the micro-bubble standby mode.
In this embodiment, the preset starting-up flow value is preferably set to be 2.5L/min, but is not limited to the above water amount value, and other more suitable water amount values may be selected according to actual requirements.
In this embodiment, the controller closes the solenoid valve and simultaneously opens the water pump to perform the drainage and aeration operation, thereby causing the gas water heater to enter the microbubble aeration mode. When the electromagnetic valve cuts off the connecting pipeline, the water pump runs at high speed to discharge the stored water in the dissolved air tank to the outside, so that negative pressure exceeding 50000Pa is formed in the dissolved air tank, external air is sucked into the dissolved air tank through the one-way valve, and the dissolved air tank is gradually filled.
And step S103, when the preset full air condition is reached, the electromagnetic valve is opened again, and the water pump is closed at the same time.
In this embodiment, in the process of inflating the dissolved air tank, if the preset air filling condition is not met, the dissolved air tank is continuously inflated, and until the preset air filling condition is met, the controller opens the electromagnetic valve and closes the water pump to conduct the main water path again, so that the external water supply flows into the dissolved air tank again. In this embodiment, the preset air-filling condition is whether the liquid level height of the water stored in the air dissolving tank reaches the preset liquid level height or whether the current water displacement reaches the preset water displacement, and certainly, other modes can be selected to identify whether the air dissolving tank is filled with air according to actual requirements, if the preset air-filling condition is whether the liquid level height of the water stored in the air dissolving tank reaches the preset liquid level height, a liquid level height detector can be arranged in the air dissolving tank to be suitable for detecting the current liquid level height in the air dissolving tank, and the air dissolving tank can be considered to be filled with air when the current liquid level height reaches the preset liquid level height; if the condition of presetting being full of gas is when the current displacement reaches to predetermineeing the displacement for current displacement, can locate to be provided with flow sensor between outlet pipe position and connecting pipe, can acquire the displacement through acquireing the volume of storing water in the dissolved air jar toward outer exhaust displacement, can also acquire the displacement through the operating time of water pump certainly, can regard as being full of gas in the dissolved air jar when reaching to predetermineeing the displacement through making current displacement.
And step S104, comparing the current water flow value with a preset starting-up flow value, and determining to open a gas valve according to a comparison result, so that the gas water heater enters a micro-bubble operation mode, and meanwhile, accumulating the micro-bubble water quantity and the total hot water quantity.
Specifically, judging whether the current water flow value is larger than a preset starting-up flow value or not;
if so, opening a gas valve so as to enable the gas water heater to enter a micro-bubble operation mode;
and if not, controlling the gas water heater to return to the micro-bubble standby mode.
After the gas water heater is filled with water, if the current water flow value measured by the water flow sensor is larger than the preset starting-up flow value, the controller opens the gas valve to enable the gas water heater to be switched from the micro-bubble inflation mode to the micro-bubble operation mode.
In this embodiment, if the current water flow value redetected by the water flow sensing device is still smaller than the preset startup flow value, it is determined that the user has turned off water, and the mode is switched to the bathtub microbubble aeration standby mode; if the current water flow value of the water flow sensing device is remeasured and is greater than the preset starting-up flow value, the hot water faucet is judged to be still opened, the controller opens the gas control valve, the starting-up ignition is used for heating tap water, the gas water heater is controlled to be switched to a micro-bubble operation mode from a micro-bubble inflation mode, and the temperature is controlled according to the preset temperature set by the operation display, so that micro-bubble water is output into the bathtub through the water outlet pipe, meanwhile, the bubble water in the gas dissolving tank is detected to obtain the micro-bubble water quantity, and the water quantity output outwards through the water outlet pipe is detected to obtain the total quantity of hot water. In a microbubble operation mode, external water flows into the dissolved air tank, is mixed with air in the dissolved air tank under the action of the turbulence generator to form tap water with bubbles, and is then mixed by high-speed disturbance of the impeller of the water pump, so that the air is completely dissolved in the water, and then the microbubble water with the gas-liquid mixing ratio of about 3% -8% is formed.
And step S105, comparing the total hot water quantity with the target hot water quantity, and determining to close the electromagnetic valve and the gas valve simultaneously according to the comparison result, so that the gas water heater exits the micro-bubble operation mode.
Preferably, judging whether the total amount of hot water is larger than the target amount of hot water;
if so, simultaneously closing the electromagnetic valve and the gas valve, so that the gas water heater exits the micro-bubble operation mode;
if not, comparing the micro-bubble water quantity with the preset bubble water quantity.
In this embodiment, if the total hot water amount is greater than the target hot water amount, it is determined that the total hot water amount has reached the water consumption required by the user, that is, the bathtub is filled with water, the gas water heater is controlled to exit the microbubble operation mode, and the gas water heater is controlled to execute the buzzer alarm operation, so as to remind the user to shut down the water. Preferably, when the total hot water amount is greater than the target hot water amount, the electromagnetic valve and the gas control valve are closed to shut down the gas water heater and extinguish the gas water heater, and the bathtub micro bubble mode is exited, so that the water heater is locked, and the bathtub hot water is prevented from overflowing.
Further, the step of comparing the microbubble water amount with the preset bubble water amount specifically comprises the following steps:
and step S1051, comparing the micro-bubble water quantity with a preset bubble water quantity, and comparing the current water flow value with a preset starting-up flow value again according to the comparison result.
In this embodiment, it is determined whether the amount of microbubble water is greater than a preset amount of bubble water;
if so, closing the gas valve, resetting the micro bubble water volume, and returning to discharge the stored water in the gas dissolving tank to the outside again;
if not, the current water flow value is compared with the preset starting-up flow value again.
And step S1052, comparing the current water flow value with the preset starting-up flow value again, and closing the gas valve according to the comparison result.
In this embodiment, it is determined whether the current water flow value is greater than a preset startup flow value;
if so, returning to compare the total hot water quantity with the target hot water quantity again;
if not, the gas valve is closed.
And step S1053, returning to compare the total hot water quantity with the target hot water quantity again until the current water flow value is larger than the preset starting-up flow value.
In this embodiment, if the current water flow value is smaller than the preset startup flow value, the gas valve is closed to enable the gas water heater to enter the microbubble standby mode again, the controller determines whether the current water flow value is larger than the preset startup flow value or not after the water flow is measured in real time by the water flow sensor to obtain the current water flow value, and if so, the controller returns to compare the total hot water amount with the target hot water amount again; and if not, controlling the gas water heater to be in the micro-bubble standby mode continuously.
What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a control method of gas heater, includes the heat exchanger body, the heat exchanger body intercommunication has inlet tube and outlet pipe, the intercommunication has the connecting pipe between inlet tube and the outlet pipe be provided with the gas valve on the heat exchanger body, its characterized in that along the direction of intaking on the connecting pipe set gradually rivers inductor, temperature sensor, solenoid valve, dissolve gas pitcher, water pump be provided with the check valve on the solenoid valve in order to with the leading-in of outside air in the solenoid valve, gas heater's control method includes following step:
after the gas water heater enters a micro-bubble standby mode;
closing the electromagnetic valve, simultaneously starting a water pump to discharge the stored water in the air dissolving tank to the outside, and introducing external air into the air dissolving tank;
when the preset full-air condition is reached, the electromagnetic valve is opened again, and the water pump is closed at the same time;
comparing the current water flow value with the preset starting-up flow value, and determining to open the gas valve according to the comparison result, so that the gas water heater enters a micro-bubble operation mode, and meanwhile, accumulating the micro-bubble water quantity and the total hot water quantity;
and comparing the total hot water quantity with a target hot water quantity, and determining to close the electromagnetic valve and the gas valve simultaneously according to a comparison result so as to enable the gas water heater to exit a micro-bubble operation mode.
2. The control method of a gas water heater according to claim 1, wherein the step of comparing the total amount of hot water with a target amount of hot water and deciding to close the solenoid valve and the gas valve simultaneously according to the comparison result comprises:
judging whether the total hot water amount is larger than the target hot water amount;
if yes, closing the electromagnetic valve and the gas valve at the same time;
and if not, comparing the micro-bubble water quantity with a preset bubble water quantity.
3. The control method of a gas water heater according to claim 2, wherein the step of comparing the amount of microbubble water with a preset amount of bubble water comprises:
comparing the microbubble water quantity with a preset bubble water quantity, and comparing the current water flow value with the preset starting-up flow value again according to a comparison result;
comparing the current water flow value with the preset starting-up flow value again, and closing the gas valve according to the comparison result;
and returning to compare the total hot water quantity with the target hot water quantity again until the current water flow value is larger than the preset starting-up flow value.
4. The method as claimed in claim 3, wherein the step of comparing the microbubble water amount with a preset bubble water amount and comparing the current water flow value with the preset startup flow value again according to the comparison result comprises:
judging whether the microbubble water amount is larger than the preset bubble water amount or not;
if yes, closing the gas valve, resetting the micro bubble water volume, and returning to discharge the stored water in the gas dissolving tank to the outside again;
if not, comparing the current water flow value with the preset starting-up flow value again.
5. The control method of a gas water heater according to claim 3, wherein the step of comparing the current water flow value with the preset starting-up flow value again and closing the gas valve according to the comparison result comprises:
judging whether the current water flow value is larger than the preset starting-up flow value or not;
if so, returning to compare the total hot water quantity with the target hot water quantity again;
if not, closing the gas valve.
6. The method of claim 1, wherein the step of entering the microbubble standby mode of the gas water heater comprises:
after the gas water heater enters a micro-bubble standby mode, judging whether the current water flow value is larger than the preset starting-up flow value;
if yes, closing the electromagnetic valve, and simultaneously starting a water pump to discharge the stored water in the air dissolving tank to the outside;
and if not, controlling the gas water heater to return to the micro-bubble standby mode.
7. The method as claimed in claim 1, wherein the step of comparing the current water flow value with the preset starting-up flow value and deciding to open the gas valve according to the comparison result comprises:
judging whether the current water flow value is larger than the preset starting-up flow value or not;
if yes, opening the gas valve;
and if not, controlling the gas water heater to return to the micro-bubble standby mode.
8. The control method of a gas water heater according to claim 1, wherein the preset full condition is whether a liquid level of the water stored in the gas tank reaches a preset liquid level or whether a current water discharge amount reaches a preset water discharge amount.
9. The control method of the gas water heater according to claim 1, further comprising an air pump disposed at an end of the check valve remote from the solenoid valve.
10. The control method of a gas water heater according to any one of claims 1 to 9, further comprising a turbulence generator provided in the air dissolving tank to mix air and water supplied into the air dissolving tank.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015161491A (en) * | 2014-02-28 | 2015-09-07 | 三菱電機株式会社 | water heater |
| CN108534361A (en) * | 2018-04-25 | 2018-09-14 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN110567147A (en) * | 2019-09-25 | 2019-12-13 | 芜湖美的厨卫电器制造有限公司 | water heater |
| CN112556203A (en) * | 2020-12-14 | 2021-03-26 | 上海林内有限公司 | Microbubble water heater and operation method thereof |
| CN112762620A (en) * | 2021-02-05 | 2021-05-07 | 华帝股份有限公司 | Foaming water generating device and gas water heater with same |
| CN113041924A (en) * | 2019-12-27 | 2021-06-29 | 芜湖美的厨卫电器制造有限公司 | Microbubble generating device and water heater |
| CN113578186A (en) * | 2021-07-02 | 2021-11-02 | 华帝股份有限公司 | Water heater with micro-nano bubble water generating device and control method thereof |
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2021
- 2021-12-08 CN CN202111491209.9A patent/CN114322299B/en active Active
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| JP2015161491A (en) * | 2014-02-28 | 2015-09-07 | 三菱電機株式会社 | water heater |
| CN108534361A (en) * | 2018-04-25 | 2018-09-14 | 芜湖美的厨卫电器制造有限公司 | Water heater |
| CN110567147A (en) * | 2019-09-25 | 2019-12-13 | 芜湖美的厨卫电器制造有限公司 | water heater |
| CN113041924A (en) * | 2019-12-27 | 2021-06-29 | 芜湖美的厨卫电器制造有限公司 | Microbubble generating device and water heater |
| CN112556203A (en) * | 2020-12-14 | 2021-03-26 | 上海林内有限公司 | Microbubble water heater and operation method thereof |
| CN112762620A (en) * | 2021-02-05 | 2021-05-07 | 华帝股份有限公司 | Foaming water generating device and gas water heater with same |
| CN113578186A (en) * | 2021-07-02 | 2021-11-02 | 华帝股份有限公司 | Water heater with micro-nano bubble water generating device and control method thereof |
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| CN114322299B (en) | 2023-08-11 |
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