CN113091300A - Gas water heater with bubble water function and control method thereof - Google Patents
Gas water heater with bubble water function and control method thereof Download PDFInfo
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- CN113091300A CN113091300A CN202110374009.9A CN202110374009A CN113091300A CN 113091300 A CN113091300 A CN 113091300A CN 202110374009 A CN202110374009 A CN 202110374009A CN 113091300 A CN113091300 A CN 113091300A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 516
- 238000000034 method Methods 0.000 title claims description 21
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 19
- 239000000523 sample Substances 0.000 claims description 13
- 239000007789 gas Substances 0.000 description 21
- 238000003287 bathing Methods 0.000 description 19
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 239000002101 nanobubble Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 230000000172 allergic effect Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 208000010668 atopic eczema Diseases 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- -1 oxygen anions Chemical class 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 230000002087 whitening effect Effects 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
- 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
- F24H1/14—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 by tubes, e.g. bent in serpentine form
- F24H1/145—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 by tubes, e.g. bent in serpentine form using fluid fuel
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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
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
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- Thermal Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The invention discloses a gas water heater with a bubble water function, which comprises an internal hot water pipe, an external hot water pipe, a constant temperature bin, a first branch, a second branch, a control valve, an air inlet assembly and a water pressure detection unit, wherein a water outlet of the constant temperature bin is selectively communicated with the external hot water pipe through a water outlet valve, a water outlet end of the first branch is communicated with the constant temperature bin, a water outlet end of the second branch is communicated with the constant temperature bin or the external hot water pipe, the internal hot water pipe is selectively communicated with a water inlet end of the first branch or a water inlet end of the second branch through the control valve, the air inlet assembly is arranged on the first branch, and the water pressure detection unit is arranged on the. The water heater can be flexibly switched between bubble water bath and conventional bath, the water using experience of a user is improved, meanwhile, the water heater can control the working state of the air inlet assembly according to the water pressure information of the first branch, and the bubble water generation state of the water heater can be accurately controlled.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a gas water heater with a bubble water function and a control method thereof.
Background
Along with the improvement of living standard, people also put forward new requirements to the water heater, and the water heater system with healthy bathing, comfortable health care function can greatly satisfy people's demand to health care, is showing user experience that promotes.
The micro-nano bubbles refer to bubbles with the diameter of 0.1-50 microns and have different physical and chemical properties from common bubbles. The micro-nano bubbles have very small size and very low surface tension, so that oxygen molecules and water molecules are easily combined and easily permeate into pores to take away dirt in the pores; meanwhile, high-energy ultrasonic waves are generated when a large number of bubbles are dissolved and broken in water, and a large number of oxygen anions are generated. Therefore, the bubble water has the effects of sterilizing, improving the immunity of the human body, improving the allergic constitution, purifying the skin, whitening the skin, supplementing the moisture and the like.
Therefore, it is necessary to design a gas water heater with bubble water function.
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 gas water heater with a bubble water function, which can flexibly switch between bubble water bath and conventional bath, and can control the working state of an air inlet assembly according to the water pressure information of a first branch so as to realize the accurate control of the bubble water generation state of the water heater.
The invention also provides a control method of the gas water heater with the bubble water function.
According to the gas heater who provides a take bubble water function that above-mentioned, it realizes through following technical scheme:
the utility model provides a take gas heater of bubble water function, includes water heater main part, interior hot-water line, outer hot-water line and control assembly, its characterized in that still includes: the water outlet of the constant temperature bin is selectively communicated with the external hot water pipe through a water outlet valve; the water outlet end of the first branch is communicated with the constant-temperature bin; the water outlet end of the second branch is communicated with the constant-temperature bin or the external hot water pipe; the control valve is electrically connected with the control assembly, and the internal hot water pipe is selectively communicated with the water inlet end of the first branch or the water inlet end of the second branch through the control valve; the air inlet assembly is arranged on the first branch, is electrically connected with the control assembly and is used for introducing air into the first branch; the water pressure detection unit is arranged on the first branch and electrically connected with the control assembly and used for detecting the water pressure information of the first branch, and the control assembly can control the working state of the air inlet assembly according to the water pressure information.
In some embodiments, the water pressure detecting unit is a pressure switch or a pressure sensor disposed between the control valve and the intake assembly.
In some embodiments, the control valve includes a first water valve and a second water valve electrically connected to the control assembly, respectively, the first water valve disposed on the first branch and the second water valve disposed on the second branch.
In some embodiments, the control valve is a state switching valve electrically connected to the control assembly, the state switching valve has a water inlet and two outlets, the water inlet is communicated with the internal hot water pipe, one of the outlets is communicated with the first branch, and the other outlet is communicated with the second branch.
In some embodiments, the constant-temperature water dispenser further comprises a liquid level detection unit, the liquid level detection unit is arranged in the constant-temperature bin and is electrically connected with the control component for detecting water level information of the constant-temperature bin, and the control component can control the on-off states of the control valve and the water outlet valve according to the water level information.
In some embodiments, the water level information includes a bubble water level and a low water level, and the liquid level detection unit includes a first probe for detecting the bubble water level and a second probe for detecting the low water level; or, the water level information includes a bubble water level, a low water level and a constant temperature water level, and the liquid level detection unit includes a first probe for detecting the bubble water level, a second probe for detecting the low water level, and a third probe for detecting the constant temperature water level.
According to the control method of the gas water heater, the control method is realized through the following technical scheme:
the control method of the gas water heater with the bubble water function is applied, and comprises the following steps:
s1: starting the water heater, judging whether a bubble water function is selected, if so, switching to the next step, and if not, controlling the internal hot water pipe to be communicated with the second branch;
s2: controlling the internal hot water pipe to be communicated with the first branch;
s3: acquiring water pressure information of the first branch through a water pressure detection unit;
s4: determining whether to open the air inlet assembly according to the acquired water pressure information, if the air inlet assembly is opened, turning to the next step, and if the air inlet assembly is not opened, turning to the next step;
s5: acquiring water level information of the constant temperature bin through a liquid level detection unit;
s6: and controlling the opening and closing state of the water outlet valve according to the acquired water level information.
In some embodiments, the water pressure information is a water pressure signal; and determining whether to open the air inlet assembly according to the acquired water pressure information, and opening the air dissolving pump of the air inlet assembly by judging whether the acquired water pressure signal is high pressure or low pressure, if so, opening the air dissolving pump of the air inlet assembly, and otherwise, closing the air dissolving pump of the air inlet assembly.
In some embodiments, the water pressure information is a water pressure value; and determining whether to open the air inlet assembly according to the acquired water pressure information, judging whether the acquired water pressure value is greater than a pressure threshold value, if so, opening the dissolved air pump of the air inlet assembly, and otherwise, closing the dissolved air pump of the air inlet assembly.
In some embodiments, the water pressure information includes a bubble water level and a low water level; according to the water pressure information who acquires, the on-off state of control outlet valve specifically includes:
s61: judging whether the water level of the constant temperature bin is less than or equal to the low water level, if so, switching to the next step, and otherwise, switching to the step S63;
s62: closing the water outlet valve, and then returning to the step S1 to execute the function of judging whether the bubble water is selected or not;
s63: judging whether the water level of the constant temperature bin is higher than the bubble water level, if so, turning to the next step, and otherwise, turning to the step S62;
s64: the outlet valve is opened, and then the process returns to step S1 to execute the determination of whether the bubble water function is selected.
In some embodiments, in step S1, the controlling the hot water pipe communicates with a second branch, which includes:
s11: controlling the inner hot water pipe to be communicated with the constant-temperature bin through a second branch;
s12: acquiring water pressure information of the constant-temperature bin through a liquid level detection unit;
s13: and controlling the opening and closing state of the water outlet valve according to the acquired water pressure information.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. according to the invention, the first branch and the second branch which are connected in parallel are arranged, and the air inlet assembly for introducing air into the first branch is additionally arranged on the first branch, so that the water heater can be flexibly switched between bubble water bath and conventional bath, and the water using experience of a user is improved;
2. through add the water pressure detecting element who is used for detecting its water pressure information on first branch road to the operating condition of subassembly that admits air can be controlled according to the water pressure information of first branch road to the control assembly, thereby realize that the bubble water of accurate control water heater produces the state.
Drawings
Fig. 1 is a schematic structural view of a gas water heater in embodiment 1 of the present invention;
FIG. 2 is a schematic structural view of a liquid level detection unit in a constant temperature chamber in embodiment 1 of the present invention;
fig. 3 is a flowchart of a control method of a gas water heater in embodiment 1 of the invention;
FIG. 4 is a flow chart of the control of the water level of the thermostatic chamber under the function of bubble water in embodiment 1 of the present invention;
FIG. 5 is a flow chart of the control of the water level of the thermostatic chamber under the function of non-bubble water in embodiment 1 of the present invention;
FIG. 6 is a schematic structural view of a gas water heater in embodiment 2 of the present invention;
fig. 7 is a schematic structural view of a state switching valve in embodiment 2 of the present invention.
Detailed Description
The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the invention or equivalent substitutions of parts of technical features without departing from the spirit of the invention are intended to be covered by the scope of the claims of the invention.
Example 1
As shown in fig. 1, the present embodiment provides a gas water heater with bubble water function, which includes a water heater main body (not shown), an internal hot water pipe 1, an external hot water pipe 2, a control component (not shown), a thermostatic chamber 3, a first branch 41, a second branch 42, a control valve capable of switching a water flow path, an air intake component 5, a water pressure detection unit 6, and an outlet valve 74. The internal hot water pipe 1 is selectively communicated with the water inlet end of the first branch 41 or the water inlet end of the second branch 42 through a control valve, so that the on-off state of the internal hot water pipe 1 and the first branch 41 and the on-off state of the internal hot water pipe 1 and the second branch 42 are controlled through the control valve, and the switching control of water flow paths is realized. The water outlet of the thermostatic chamber 3 is selectively communicated with the external hot water pipe 2 through a water outlet valve 74, so that the water outlet condition of the thermostatic chamber 3 is controlled through the water outlet valve 74.
The water outlet end of the first branch 41 is communicated with the constant temperature chamber 3, and the water outlet end of the second branch 42 is communicated with the constant temperature chamber 3 or the external hot water pipe 2. Air intake assembly 5 sets up on first branch road 41 and electricity connection control assembly for introduce gas to first branch road 41, when air intake assembly 5 during operation, the venturi through air intake assembly 5 inhales the air, dissolves into the aquatic of first branch road 41, realizes preliminary gas mixing, then flows and carries out intensive mixing in going into constant temperature storehouse 3, obtains bubble water. The water pressure detecting unit 6 is disposed on the first branch 41 and is configured to detect water pressure information of the first branch 41. The control assembly is electrically connected with the control valve, the air inlet assembly 5, the water pressure detection unit 6 and the water outlet valve 74 respectively, and can control the control valve according to whether the water heater selects the bubble water function or not and also can control the working state of the air inlet assembly 5 according to water pressure information.
In this embodiment, because the air inlet assembly 5 for introducing air into the first branch 41 is arranged on the first branch 41, the first branch 41 is communicated with the hot water pipe 1, and when the air inlet assembly 5 works, hot water flows to the constant temperature chamber 3 through the first branch 41 and the air inlet assembly 5 in a working state, meanwhile, the air inlet assembly 5 injects air into the first branch 41 for preliminary mixing, and then flows into the constant temperature chamber 3 for sufficient mixing, and because the air inlet assembly 5 works, the water flow flowing from the first branch 41 to the constant temperature chamber 3 can meet the water flow requirement of bubble water bathing. However, the first branch 41 is communicated with the hot water pipe 1, and when the air intake assembly 5 does not work, hot water flows to the constant temperature chamber 3 through the first branch 41 and the air intake assembly 5 in a closed state, because air is sucked and dissolved into water through the venturi tube of the air intake assembly 5, when the air dissolving pump 51 of the air intake assembly 5 does not work, the water flow rate flowing from the first branch 41 to the constant temperature chamber 3 becomes small, which affects the water level of the constant temperature chamber 3, further affects the water flow rate required by the ordinary bathing of the user, and reduces the bathing comfort of the user, therefore, the arrangement of the second branch 42 connected in parallel with the first branch 41 is particularly important, and the arrangement of the second branch 42 is to better satisfy the water flow rate required by the ordinary bathing.
It can be seen that, in the gas water heater of this embodiment, by arranging the first branch 41 and the second branch 42 connected in parallel and additionally arranging the gas inlet assembly 5 for introducing gas into the first branch 41 on the first branch 41, the water heater can be flexibly switched between bubble water bath and conventional bath, so that water flow required by a user in any bath mode is effectively ensured, and water use experience of the user is improved. In addition, the water pressure detection unit 6 for detecting the water pressure information of the first branch 41 is additionally arranged on the first branch, and the control assembly can control the working state of the air inlet assembly according to the water pressure information of the first branch, so that the bubble water generation state of the water heater can be accurately controlled.
Preferably, in this embodiment, the water inlet end of the second branch 42 is selectively communicated with the internal hot water pipe 1 through the control valve, and the water outlet end is communicated with the constant temperature chamber 3, so that the internal hot water pipe 1 is selectively communicated with the constant temperature chamber 3 through the second branch 42, when the water heater does not select the bubble water function, that is, the water heater is in a normal bathing state, hot water flowing out from the internal hot water pipe 1 is firstly introduced into the constant temperature chamber 3 for buffering, and then is supplied to a user through the water outlet valve 74 and the external hot water pipe 2, during this process, the water heater controls the switch of the water outlet valve 74 according to a relevant operation instruction, so that the water outlet flow is more stable, and the bathing experience of the user is.
In other embodiments, the water outlet end of the second branch 42 can be designed to directly communicate with the external hot water pipe 2, so that the water flow path for normal bathing does not need to pass through the thermostatic chamber 3, which is beneficial to reducing the workload of the thermostatic chamber 3 and the related components inside the thermostatic chamber, and the water outlet valve 74, and prolonging the service life of the water outlet valve 74.
Preferably, the air intake assembly 5 includes an air pump 51 having an air inlet, and the air pump 51 is disposed on the first branch pipe 41 and electrically connected to the control assembly. In addition, the constant temperature cabin also comprises an air release valve 9, and the air release valve 9 is arranged on the constant temperature cabin 3. When first branch 41 communicates interior hot water pipe 1, and dissolved air pump 51 during operation, dissolved air pump 51 inhales the air through venturi in the first branch 41, the air carries out primary mixing with the water of first branch 41 and obtains high pressure gas water mixing state, make gaseous supersaturation dissolve, then supersaturation dissolved water carries out the intensive mixing in entering into constant temperature storehouse 3, excessive insoluble gas is discharged through relief valve 9, thereby obtain stable saturation bubble water, saturation bubble water flows to outer hot water pipe 2 through outlet valve 74, provide the rivers that have micro-nano bubble water for the user, satisfy bubble water bathing requirement.
Preferably, the control valve of this embodiment includes a first water valve 71 and a second water valve 72 electrically connected to the control component, respectively, and the first water valve 71 is disposed on the first branch 41 and is used for controlling the on-off state of the first branch 41. A second water valve 72 is disposed on the second branch 42 for controlling the on/off state of the second branch 42. Therefore, the on-off state of each branch is independently controlled by adopting a water valve on each of the two branches connected in parallel.
Preferably, the water pressure detecting unit 6 is a pressure switch or a pressure sensor, which is disposed between the control valve and the intake assembly 5, for detecting the water pressure information of the first branch path 41.
When the water pressure detecting unit 6 is a pressure switch, the pressure switch may be a high-pressure switch, correspondingly, the water pressure information is a water pressure signal, whether the water pressure signal of the first branch 41 is high-pressure is detected by the pressure switch, if the water pressure signal is high-pressure, it indicates that the first water valve 71 is opened, so that the first branch 41 is communicated with the internal hot water pipe 1, and at this time, the dissolved air pump 51 of the air inlet assembly 5 is controlled to work to generate bubble water; if the pressure is low, the air pump 51 of the air intake assembly 5 is continuously closed.
Of course, in other modifications, the pressure switch may also be a low pressure switch, and the pressure switch detects whether the water pressure signal of the first branch 41 is low pressure, if so, it indicates that the first water valve 71 is opened, so that the first branch 41 is communicated with the hot water pipe 1, and at this time, the air dissolving pump 51 of the air intake assembly 5 is controlled to operate to generate bubble water; if the pressure is high, the air pump 51 of the air intake assembly 5 is continuously closed.
When the water pressure detecting unit 6 is a pressure sensor, correspondingly, the water pressure information is a water pressure value, whether the water pressure value of the first branch 41 is greater than a pressure threshold value through the pressure sensor is judged, if the water pressure value of the first branch 41 is greater than the pressure threshold value, the first water valve 71 is opened, the first branch 41 is communicated with the hot water pipe 1, and at this time, the air dissolving pump 51 of the air inlet assembly 5 is controlled to work, so that bubble water is generated.
As shown in fig. 1-2, further, the device further comprises a liquid level detection unit 8, wherein the liquid level detection unit 8 is arranged in the constant temperature chamber 3 and electrically connected with the control assembly, and is used for detecting the water level information of the constant temperature chamber 3, so that the water level state of the constant temperature chamber 3 can be accurately identified. The control component can control the on-off states of the first water valve 71, the second water valve 72 and the water outlet valve 74 according to the water level information, so that the water level can be accurately controlled, the water outlet stability is improved, and the water heater can work in the optimal bubble water working state or non-bubble water working state.
Preferably, the water level information includes a bubble water level and a low water level, wherein the bubble water level is higher than the low water level. The liquid level detection unit 8 includes a first probe 81 for detecting a bubble water level and a second probe 82 for detecting a low water level, so that the water heater can be operated in an optimal bubble water operation state by monitoring the bubble water level and the low water level. More preferably, the water level information further includes a constant temperature water level between the bubble water level and the low water level, and correspondingly, the liquid level detection unit 8 further includes a third probe 83 for detecting the constant temperature water level.
As shown in fig. 3, the present embodiment further provides a control method for applying the gas water heater with bubble water function as described above, where the control method includes the following steps:
s1: starting the water heater, judging whether a bubble water function is selected, if so, switching to the next step, and if not, controlling the internal hot water pipe 1 to be communicated with the second branch 42;
specifically, the control assembly of water heater includes main control unit and control panel, is equipped with bubble water function on control panel, and this bubble water function can include half bubble water and two kinds of modes of full bubble water. After the water heater is started, the main controller judges whether the water heater selects a bubble water function, if the bubble water function is selected, the next step is carried out, and bubble water control is carried out; if the bubble water function is not selected, only the second water valve 72 in the control valve is opened, so that the internal hot water pipe 1 is communicated with the second branch 42 to carry out non-bubble water control, namely, ordinary bathing work control.
S2: controlling the internal hot water pipe 1 to be communicated with the first branch 41;
specifically, only the first water valve 72 in the control valve is opened, so that the internal hot water pipe 1 is communicated with the first branch 41, and at this time, the hot water can flow from the internal hot water pipe 1 and the first branch 41 to the thermostatic chamber 3.
S3: acquiring water pressure information of the first branch 41 by the water pressure detection unit 6;
s4: determining whether to open the air inlet assembly 5 according to the acquired water pressure information, if the air inlet assembly 5 is opened, turning to the next step, and if the air inlet assembly 5 is not opened, turning to the next step;
specifically, the determination of whether to open the intake assembly 5 based on the acquired water pressure information may be identified by three ways: firstly, when the water pressure detection unit 6 is a pressure switch, the pressure switch is a high-pressure switch, and the water pressure information is a water pressure signal, by judging whether the obtained water pressure signal is high-pressure, if so, the air dissolving pump 51 of the air intake assembly 5 is opened, and if not, the air dissolving pump 51 of the air intake assembly 5 is closed; secondly, when the water pressure detecting unit 6 is a pressure switch, the pressure switch is a low pressure switch, and the water pressure information is a water pressure signal, the air dissolving pump 51 of the air intake assembly 5 is opened if the obtained water pressure signal is low pressure, and the air dissolving pump 51 of the air intake assembly 5 is closed if the obtained water pressure signal is low pressure. Thirdly, when the water pressure detecting unit 6 is a pressure sensor and the water pressure information is a water pressure value, by determining whether the obtained water pressure value is greater than a pressure threshold value, if so, the air dissolving pump 51 of the air intake assembly 5 is opened, otherwise, the air dissolving pump 51 of the air intake assembly 5 is closed. Therefore, according to the water pressure information of the first branch 41, whether the air dissolving pump 51 is opened or not can be accurately controlled, and whether bubble water is generated or not can be controlled.
S5: acquiring water level information of the constant temperature bin 3 through the liquid level detection unit 8;
s6: and controlling the opening and closing state of the water outlet valve 74 according to the acquired water level information.
Specifically, the on-off states of the internal hot water pipe 1 and the first branch 41 are controlled by the first water valve 71, so that the on-off states of the internal hot water pipe 1 and the first branch 41 can be accurately controlled by controlling the on-off state of the first water valve 71, the on-off state of the water outlet valve 74 is controlled according to the water level information of the constant temperature chamber 3, the optimal working state of the water heater with bubble water can be controlled, and the stable water flow required by bathing of a user can be ensured.
Therefore, according to the control method of the embodiment, when the water heater selects the bubble water function, the working state of the air dissolving pump 51 is accurately controlled according to the water pressure information of the first branch 41, so that the bubble water generation state of the water heater is accurately controlled. In addition, the water heater can be controlled to work in the optimal bubble water working state by controlling the opening and closing state of the water outlet valve 74 according to the water level information of the thermostatic chamber 3.
Preferably, the water pressure information includes a bubble water level and a low water level lower than the bubble water level. As shown in fig. 4, the controlling the on-off state of the internal hot water pipe 1 and the first branch 41 and the on-off state of the water outlet valve 74 according to the obtained water pressure information specifically includes:
s61: judging whether the water level of the constant temperature chamber 3 is less than or equal to the low water level, if so, switching to the next step, otherwise, switching to the step S63;
s62: closing the water outlet valve 74, and then returning to step S1 to execute the determination of whether the bubble water function is selected;
specifically, the hot water pipe 1 is controlled to communicate with the first branch 41, and the hot water pipe 1 is communicated with the first branch 41 by opening the first water valve 71. Since the water level of the thermostatic chamber 3 is less than or equal to the low water level, at this time, the water outlet valve 74 needs to be closed, the water outlet is interrupted, and the water level in the thermostatic chamber 3 is higher than the low water level by introducing the air-water mixture or water into the thermostatic chamber 3, so as to better satisfy the stable water amount required for bathing.
S63: judging whether the water level of the constant temperature chamber 3 is higher than the bubble water level, if so, switching to the next step, otherwise, switching to the step S62;
s64: the outlet valve 74 is opened, and then the process returns to step S1 to execute the determination of whether the bubble water function is selected.
Therefore, the water heater can control the on-off state of the water outlet valve 74 according to the water level of the constant temperature chamber 3, so that the water level of the constant temperature chamber 3 is maintained between the low water level and the bubble water level, the water level of the constant temperature chamber 3 is accurately controlled, the stable water flow required by bathing of a user is effectively ensured, and when the water heater selects the bubble water function, the product can be in the optimal bubble water working state.
In the embodiment, the water outlet end of the second branch 42 can be directly communicated with the outer hot water pipe 2 or communicated with the outer hot water pipe 2 through the constant temperature bin 3. When the water outlet ends of the two branches 42 are communicated with the constant temperature chamber 3, as shown in fig. 5, the internal hot water control pipe 1 is communicated with the second branch 42, and includes:
s11: the internal hot water pipe 1 is controlled to be communicated with the constant temperature bin 3 through a second branch 42;
specifically, only the second water valve 72 in the control valve is opened, so that the internal hot water pipe 1 is communicated with the constant temperature chamber 3 through the second branch 42, at this time, the hot water is firstly buffered by the constant temperature chamber 3 and then flows to the external hot water pipe 2 through the water outlet valve 74, and in the process, the stable water volume can be provided for the common bathing by virtue of the constant temperature chamber 3.
S12: acquiring water pressure information of the constant temperature bin 3 through the liquid level detection unit 8;
s13: and controlling the opening and closing states of the water outlet valve 74 according to the acquired water pressure information.
Specifically, the water pressure information includes a low water level. Controlling the opening and closing state of the water outlet valve 74 according to the acquired water pressure information, wherein the opening and closing state of the water outlet valve 74 is determined by determining whether the water level of the thermostatic chamber 3 is less than or equal to the low water level, if so, the water outlet valve 74 is closed, and then the step S1 is returned to execute the step S for determining whether the bubble water function is selected; otherwise, the outlet valve 74 is opened, and then the step S1 is returned to execute the determination of whether the bubble water function is selected.
Therefore, when the water heater is in a common bathing state, hot water is buffered through the constant temperature chamber 3, flows to the outer hot water pipe 2 through the water outlet valve 74, and the water level of the constant temperature chamber 3 can be accurately controlled by controlling the on-off state of the water outlet valve 74 according to the water pressure information of the constant temperature chamber 3, so that the stability of the water supply amount of the water heater is effectively ensured, and the bathing experience is improved.
Example 2
As shown in fig. 6 to 7, the present embodiment is different from embodiment 1 in the structure of the control valve. Specifically, the control valve is a state switching valve 73 electrically connected to the control component, the state switching valve 73 has a water inlet 731 and two outlets 732, wherein the water inlet 731 is communicated with the hot water pipe 1, one of the outlets 732 is communicated with the thermostatic chamber 3 through the first branch 41, and the other outlet 732 is communicated with the thermostatic chamber 3 or the external hot water pipe 2 through the second branch 42, in this embodiment, taking the example that the water outlet end of the second branch 42 is communicated with the thermostatic chamber 3, the control component can control the on-off state of the water outlet valve 74 according to the water level information of the thermostatic chamber 3, and the other parts are the same as those in embodiment 1.
Specifically, the state switching valve 73 includes an outer valve body with three passages and an inner valve body with three passages, and by adjusting the relative positions of the outer valve body and the inner valve body, different water outlet modes and water outlet amount can be adjusted, and the specific water outlet modes are as follows:
in the cut-off mode, the state switching valve 73 is closed and is in a complete cut-off state, and the internal hot water pipe 1 is not communicated with the first branch 41 and is not communicated with the second branch 42; in the non-bubble water mode, the internal hot water pipe 1 is only communicated with the second branch 42, and the conventional bathing requirement is met; in the full-bubble water mode, the internal hot water pipe 1 is only communicated with the first branch 41, and when the dissolved air pump 51 works, the requirement of full-bubble water bath can be met; in the half-bubble water mode, the internal hot water pipe 1 is communicated with the first branch 41 and the second branch 42 at the same time, and when the dissolved air pump 51 works, the half-bubble water bath requirement can be met.
It can be seen that the water heater of this embodiment has shut-off, non-bubble water mode (i.e. conventional bathing), full-bubble water mode and half-bubble water mode, better satisfies the multiple bathing requirements of the user.
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 (11)
1. The utility model provides a take gas heater of bubble water function, includes water heater main part, interior hot-water line (1), outer hot-water line (2) and control assembly, its characterized in that still includes:
the water outlet of the constant temperature bin (3) is selectively communicated with the outer hot water pipe (2) through a water outlet valve (74);
the water outlet end of the first branch (41) is communicated with the constant temperature bin (3);
the water outlet end of the second branch (42) is communicated with the constant temperature bin (3) or the outer hot water pipe (2);
the control valve is electrically connected with the control assembly, and the internal hot water pipe (1) is selectively communicated with the water inlet end of the first branch (41) or the water inlet end of the second branch (42) through the control valve;
the gas inlet assembly (5) is arranged on the first branch (41) and is electrically connected with the control assembly, and is used for introducing gas into the first branch (41);
the water pressure detection unit (6) is arranged on the first branch (41) and electrically connected with the control assembly, and is used for detecting the water pressure information of the first branch (41), and the control assembly can control the working state of the air inlet assembly (5) according to the water pressure information.
2. The gas water heater with bubble water function of claim 1, wherein the water pressure detecting unit (6) is a pressure switch or a pressure sensor disposed between the control valve and the air intake assembly (5).
3. The gas water heater with bubble water function as claimed in claim 1, wherein said control valve comprises a first water valve (71) and a second water valve (72) electrically connected to said control assembly respectively, said first water valve (71) being disposed on said first branch (41), said second water valve (72) being disposed on said second branch (42).
4. The gas water heater with bubble water function as claimed in claim 1, wherein said control valve is a state switching valve (73) electrically connected to said control assembly, said state switching valve (73) having a water inlet and two outlets, said water inlet being connected to said inner hot water pipe (1), one of said outlets being connected to said first branch (41), and the other of said outlets being connected to said second branch (42).
5. The gas water heater with bubble water function of any one of claims 1 to 4, further comprising a liquid level detection unit (8), wherein the liquid level detection unit (8) is disposed in the thermostatic chamber (3) and electrically connected to the control component for detecting water level information of the thermostatic chamber (3), and the control component can control the on-off states of the control valve and the water outlet valve (74) according to the water level information.
6. The gas water heater with bubble water function of claim 5, wherein the water level information comprises a bubble water level and a low water level, the liquid level detection unit (8) comprises a first probe (81) for detecting the bubble water level and a second probe (82) for detecting the low water level;
or, the water level information includes a bubble water level, a low water level and a constant temperature water level, and the liquid level detection unit (8) includes a first probe (81) for detecting the bubble water level, a second probe (82) for detecting the low water level, and a third probe (83) for detecting the constant temperature water level.
7. The control method of the gas water heater with the bubble water function, which is applied to any one of the claims 1 to 6, is characterized by comprising the following steps:
s1: starting the water heater, judging whether a bubble water function is selected, if so, switching to the next step, and if not, controlling the internal hot water pipe (1) to be communicated with the second branch (42);
s2: the internal hot water pipe (1) is controlled to be communicated with the first branch (41);
s3: acquiring water pressure information of the first branch (41) through a water pressure detection unit (6);
s4: determining whether to open the air inlet assembly (5) according to the acquired water pressure information, and if the air inlet assembly (5) is opened, turning to the next step, and if the air inlet assembly (5) is not opened, turning to the next step;
s5: acquiring water level information of the constant temperature bin (3) through a liquid level detection unit (8);
s6: and controlling the opening and closing state of the water outlet valve (74) according to the acquired water level information.
8. The control method according to claim 7, wherein the water pressure information is a water pressure signal; and determining whether to open the air inlet assembly (5) according to the acquired water pressure information, and opening the air dissolving pump of the air inlet assembly (5) if the acquired water pressure signal is high pressure or low pressure, and closing the air dissolving pump of the air inlet assembly (5) if the acquired water pressure signal is not high pressure or low pressure.
9. The control method according to claim 7, wherein the water pressure information is a water pressure value; and determining whether to open the air inlet assembly (5) according to the acquired water pressure information, and by judging whether the acquired water pressure value is greater than a pressure threshold value, if so, opening the dissolved air pump of the air inlet assembly (5), and otherwise, closing the dissolved air pump of the air inlet assembly (5).
10. The control method according to any one of claim 7, wherein the water pressure information includes a bubble water level and a low water level; the method for controlling the opening and closing state of the water outlet valve (74) according to the acquired water pressure information specifically comprises the following steps:
s61: judging whether the water level of the constant temperature bin (3) is less than or equal to the low water level, if so, switching to the next step, and otherwise, switching to the step S63;
s62: closing the water outlet valve (74), and then returning to the step S1 to execute the judgment whether the bubble water function is selected;
s63: judging whether the water level of the constant temperature bin (3) is higher than the bubble water level, if so, switching to the next step, and otherwise, switching to the step S62;
s64: and (4) opening the water outlet valve (74), and then returning to the step S1 to execute the judgment whether the bubble water function is selected.
11. The control method according to any one of claim 7, wherein in step S1, the control hot water pipe (1) is communicated with a second branch (42) which comprises:
s11: the inner hot water pipe (1) is controlled to be communicated with the constant temperature bin (3) through a second branch (42);
s12: acquiring water pressure information of the constant temperature bin (3) through a liquid level detection unit (8);
s13: and controlling the opening and closing state of the water outlet valve (74) according to the acquired water pressure information.
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