CN113587429A - Water heater with micro-nano bubble water generating device and control method thereof - Google Patents
Water heater with micro-nano bubble water generating device and control method thereof Download PDFInfo
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- CN113587429A CN113587429A CN202110749781.4A CN202110749781A CN113587429A CN 113587429 A CN113587429 A CN 113587429A CN 202110749781 A CN202110749781 A CN 202110749781A CN 113587429 A CN113587429 A CN 113587429A
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- nano bubble
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- generating device
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 152
- 239000002101 nanobubble Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007789 gas Substances 0.000 claims description 167
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 51
- 239000001301 oxygen Substances 0.000 claims description 51
- 229910052760 oxygen Inorganic materials 0.000 claims description 51
- 239000007788 liquid Substances 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 8
- 238000003287 bathing Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Classifications
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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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Devices For Medical Bathing And Washing (AREA)
Abstract
The invention provides a water heater with a micro-nano bubble water generating device and a control method thereof, wherein the water heater comprises a water heater body and the micro-nano bubble water generating device, the micro-nano bubble water generating device is arranged in the water heater body, the micro-nano bubble water generating device comprises a jet device, a gas mixing tank, a gas inlet pipe and a water inlet pipe, the water inlet pipe is communicated with a water flow pipeline in the water heater body, the water outlet end of the water inlet pipe and the gas outlet end of the gas inlet pipe are communicated with the jet device, the water outlet end of the jet device is communicated with the water inlet end of the gas mixing tank, and the gas inlet pipe is also provided with an air pump and a gas flowmeter. The user can select whether to enter the micro-nano bubble water function, and can obtain the flow of the real-time gas entering the gas mixing tank.
Description
Technical Field
The invention relates to the technical field of water heaters, in particular to a water heater with a micro-nano bubble water generating device and a control method thereof.
Background
The existing water heater product does not have the function of micro-bubble washing, and the problems of complex structure, large energy consumption and the like can be met under the condition that a micro-bubble water generating device and a water heater are integrated into a whole. Therefore, in order to solve the problems of large volume and high power when the dissolved air supercharging device is applied to a water heater, a mode of introducing air into a liquid phase is very important. One is artificially and actively injecting high-pressure gas to ensure that the air pressure in the gas chamber is higher than the water pressure in the water flow chamber; the other method is that the air is automatically sucked from the external environment after negative pressure is formed by a throttling depressurization principle. A high-pressure air source is not easy to obtain, and meanwhile, the noise is high, the utilization rate is low, and potential safety hazards exist; from the viewpoint of energy consumption for operation, the negative pressure suction reduces the energy consumed for increasing the gas pressure, and is easily realized. However, since the gas enters a negative pressure state, and the state of the gas is related to the temperature and the pressure, the flow of the gas cannot be directly measured, the mass flow or the standard volume flow of the gas can be obtained only after the temperature and the pressure are compensated, and since the real-time flow of the gas is difficult to obtain, the mixing effect of the gas and the liquid in the gas mixing tank is difficult to ensure, the oxygen concentration in the micro-nano bubble water is difficult to ensure, and the effect of a user is difficult to ensure.
Disclosure of Invention
The invention solves one of the problems in the prior related art to a certain extent, and therefore, an object of the invention is to provide a water heater with a micro-nano bubble water generating device, which can acquire the real-time flow of gas entering a gas mixing tank.
The above purpose is realized by the following technical scheme:
the utility model provides a water heater with micro-nano bubble water generating device, includes water heater body and micro-nano bubble water generating device, micro-nano bubble generating device set up in this is internal for the water heater, micro-nano bubble water generating device includes fluidic device, gas mixing tank, intake pipe and inlet tube, the inlet tube with the inside water pipeline intercommunication of water heater body, the play water end of inlet tube reaches the end of giving vent to anger of intake pipe with the fluidic device intercommunication, fluidic device's play water end with the end intercommunication of intaking of gas mixing tank still be equipped with air pump and gas flowmeter in the intake pipe.
As a further improvement of the invention, the micro-nano bubble water generating device further comprises a dissolved oxygen sensor, and the dissolved oxygen sensor is arranged on the gas mixing tank and is used for detecting the oxygen concentration in the gas mixing tank.
As a further improvement of the invention, the micro-nano bubble water generating device further comprises a liquid level meter, wherein the liquid level meter is arranged on the gas mixing tank and is used for detecting the liquid level in the gas mixing tank.
As a further improvement of the present invention, a check valve is further disposed on the air inlet pipe, and the check valve is disposed between the jet device and the air pump.
The invention aims to provide a control method of a water heater with a micro-nano bubble water generating device, which ensures the cleaning effect of bathing.
The above purpose is realized by the following technical scheme:
step S101, acquiring real-time water flow, and acquiring corresponding preset gas flow according to the real-time water flow;
s102, controlling a booster pump to be started and acquiring real-time gas flow;
and step S103, adjusting the input voltage of the air pump according to the relation between the real-time gas flow and the preset gas flow.
As a further improvement of the present invention, after step S103, the following steps are also included:
step S104, detecting the oxygen concentration in the gas mixing tank, and judging whether the current dissolved oxygen is larger than the preset dissolved oxygen;
if yes, go to step S105; if not, the step S106 is executed;
step S105, obtaining an average dissolved oxygen amount within a preset time;
step S106, the input voltage of the air pump is increased.
As a further improvement of the present invention, after step S105, the following steps are also included:
step S107, detecting whether the average dissolved oxygen amount is larger than a preset dissolved oxygen amount;
if yes, go to step S108; if not, the process goes to step S109;
step S108, reducing the input voltage of the air pump until the current dissolved oxygen is equal to the preset dissolved oxygen;
in step S109, the input voltage of the air pump is increased.
As a further improvement of the present invention, after step S109, the following steps are also included:
s110, detecting whether a preset liquid level is reached in the gas mixing tank;
if yes, the process proceeds to step S111: ending the control and adjustment of the input voltage of the air pump;
if not, the process returns to step S101.
As a further improvement of the present invention, in step S102, the method for acquiring the real-time gas flow rate includes:
by the formula
Obtaining the gas flow rate, wherein V is the gas flow rate, K is the balance coefficient, Q1 is the heating quantity of the heater, Delta T is the temperature difference between T2 and T1, and rhogIs the gas real-time density;
and acquiring the cross-sectional area S of the fluidic device, and acquiring the real-time gas flow by using a formula Q2 (S multiplied by V), wherein Q2 is the real-time gas flow, S is the cross-sectional area of the fluidic device, and V is the gas flow speed.
As a further development of the invention, wherein the gas real-time density ρgThe acquisition method comprises the following steps:
by the formula
Obtaining real-time density, rho, of gasnThe gas density under n standard conditions (101.325Kpa, 20 ℃), P the real-time atmospheric pressure, and T the real-time temperature.
Compared with the prior art, the invention at least comprises the following beneficial effects:
1. the invention provides a micro-nano bubble water generating device, which can enable a user to select whether to enter a micro-nano bubble water function or not and can obtain the real-time flow of gas entering a gas mixing tank.
2. The invention provides a control method of a micro-nano bubble water generating device, which comprises the steps of obtaining real-time water flow to obtain preset gas flow corresponding to the real-time water flow, controlling a booster pump to be started to intake air, obtaining real-time gas flow after the booster pump is started to intake air, and adjusting input voltage of an air pump according to the relation between the real-time gas flow and the preset gas flow to enable the real-time gas flow to be equal to the preset gas flow, so that gas and liquid are mixed in a gas mixing tank to form micro-nano bubble water with a certain concentration, the cleaning effect of bathing is ensured, and user experience is improved.
Drawings
FIG. 1 is a schematic structural diagram of a water heater with a micro-nano bubble water generating device in an embodiment;
fig. 2 is a flowchart of a control method of a water heater with a micro-nano bubble water generating device in an embodiment.
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.
The first embodiment is as follows:
referring to fig. 1, a water heater with a micro-nano bubble water generating device is shown, and the water heater comprises a water heater body 1 and a micro-nano bubble water generating device 2, the micro-nano bubble water generating device 2 is arranged in the water heater body 1, the micro-nano bubble water generating device 2 comprises a jet device 3, a gas mixing tank 4, an air inlet pipe 5 and an air inlet pipe 6, the air inlet pipe 6 is communicated with a water flow pipeline inside the water heater body 1, a water outlet end of the air inlet pipe 6 and a gas outlet end of the air inlet pipe 5 are communicated with the jet device 3, a water outlet end of the jet device 3 is communicated with a water inlet end of the gas mixing tank 4, and the air inlet pipe 5 is further provided with an air pump 51 and a gas flow meter 52.
The invention provides a water heater with a micro-nano bubble water generating device 2, wherein a user can select to enter a micro-nano bubble water function (namely, bathing by adopting micro-nano bubble water) or not enter the micro-nano bubble water function (namely, a common bathing mode), if the user selects to enter the micro-nano bubble water function, water flow enters a water heater body 1 and then enters a jet device 3 through a water flow pipeline, an air pump 51 is controlled to be started, gas enters the jet device 3 through an air inlet pipe 5, the water flow and the gas are preliminarily mixed in the jet device 3 and then enter a gas mixing tank 4, so that the gas is further dissolved in the liquid to generate micro-nano bubble water, and the generated micro-nano bubble water flows out through a water outlet pipe. If the user chooses not to enter the micro-nano bubble water function, then rivers enter into water heater body 1 after, enter into fluidic device 3 after being equipped with the heating unit heating in water heater body 1, control air pump 51 and close, then rivers enter into gas-mixing tank 4 through fluidic device 3, discharge through the water tank again.
An air pump 51 and a gas flow meter 52 are arranged on the air inlet pipe 5, and an external air source can be actively introduced into the jet device 3 and then the gas-mixing tank 4 through the air pump 51. Since the cross-section of the fluidic device 3 is constant, the flow rate of the gas and thus the flow rate of the gas can be controlled by the gas flow rate.
The working principle of the gas flow meter 52 is: two temperature sensors are arranged in the gas flowmeter 52 and are respectively a first temperature sensor and a second temperature sensor, a certain distance is formed between the first temperature sensor and the second temperature sensor, the first temperature sensor is close to the gas inlet end of the gas flowmeter 52, the second temperature sensor is close to the gas outlet end of the gas flowmeter 52, and when gas enters the gas flowmeter 52, the gas sequentially leans on the gas through the first temperature sensor and the second temperature sensor.
During operation of the gas flow meter 52, the first temperature sensor continuously measures the temperature T1 of the medium (e.g., air); the second temperature sensor is provided with a heater which is heated to a set temperature, the second temperature sensor is used for detecting the temperature T2 at the heater, and T2 is larger than T1. Wherein the temperature difference Delta T is T2-T1, and T2> T1. When the gas flow passes through the first temperature sensor when the fluid flows through, the first temperature sensor detects the temperature of the gas at the moment, the temperature of T2 is reduced because gas molecules collide with the second temperature sensor and take away heat at the second temperature sensor, and the faster the gas flow speed, the more heat is taken away. The gas flow rate can be controlled by controlling the temperature difference Δ T, which can be constant at 30-50 ℃.
Preferably, it can be represented by the formula
Obtaining a gas flow rate, wherein V is the gas flow rate, K is the equilibrium coefficient, Q is the heating amount of the heater, Delta T is the temperature difference between T2 and T1, and rhogIs the gas real-time density.
Wherein,
ρnthe gas density under n standard conditions (101.325Kpa, 20 ℃), P the real-time atmospheric pressure, and T the real-time temperature.
Because the cross section of the jet device 3 is fixed, the gas flow can be further obtained by obtaining the gas flow velocity. The invention provides a water heater with a micro-nano bubble water generating device 2, which can obtain gas flow.
When the liquid flow rate is constant, the gas flow rate can be adjusted by adjusting the input voltage of the air pump 51, and the gas flow rate can be detected by the gas flow meter 52.
Micro-nano bubble water generating device 2 still includes dissolved oxygen sensor 8, dissolved oxygen sensor 8 set up in mix on the gas pitcher 4, be used for detecting the oxygen concentration in the gas pitcher 4.
The gas and the liquid enter the jet device 3 for preliminary mixing and then enter the gas mixing tank 4. The gas mixing tank 4 is provided with a dissolved oxygen sensor 8 which can detect the oxygen concentration of the gas and the liquid mixed in the gas mixing tank 4.
Micro-nano bubble water generating device 2 still includes level gauge 7, level gauge 7 set up in mix on the gas pitcher 4, be used for detecting the liquid level in the gas pitcher 4 that mixes.
A check valve 53 is further disposed on the air inlet pipe 5, and the check valve 53 is disposed between the jet device 3 and the air pump 51. The gas flowmeter 52 is disposed at a side close to the gas inlet end of the gas inlet pipe 5, that is, the gas flowmeter 52, the air pump 51 and the check valve 53 are sequentially disposed on the gas inlet pipe 5 from the side close to the gas inlet end of the gas inlet pipe 5 to the side close to the gas outlet end of the gas inlet pipe 5.
Example two:
referring to fig. 2, a control method of a water heater with a micro-nano bubble water generating device is shown, which is applied to the water heater with the micro-nano bubble water generating device in the first embodiment, and includes the following steps:
step S101, acquiring real-time water flow, and acquiring corresponding preset gas flow according to the real-time water flow;
s102, controlling a booster pump to be started and acquiring real-time gas flow;
and step S103, adjusting the input voltage of the air pump according to the relation between the real-time gas flow and the preset gas flow.
The invention provides a control method of a water heater with a micro-nano bubble water generating device, which is characterized in that when a user uses the water heater, the water flow is different, a preset gas flow corresponding to the real-time water flow is obtained by obtaining the real-time water flow, the booster pump is controlled to be started to intake air, the real-time gas flow after the booster pump is started to intake air is obtained, and the input voltage of an air pump is adjusted according to the relation between the real-time gas flow and the preset gas flow so that the real-time gas flow is equal to the preset gas flow, so that the gas and the liquid are mixed in a gas mixing tank to form micro-nano bubble water with a certain concentration, the cleaning effect of bathing is ensured, and the user experience is improved.
The following steps are also included after step S103:
step S104, detecting the oxygen concentration in the gas mixing tank, and judging whether the current dissolved oxygen is larger than the preset dissolved oxygen;
if yes, go to step S105; if not, the step S106 is executed;
step S105, obtaining an average dissolved oxygen amount within a preset time;
step S106, the input voltage of the air pump is increased.
The following steps are also included after step S105:
step S107, detecting whether the average dissolved oxygen amount is larger than a preset dissolved oxygen amount;
if yes, go to step S108; if not, the process goes to step S109;
step S108, reducing the input voltage of the air pump until the current dissolved oxygen is equal to the preset dissolved oxygen;
in step S109, the input voltage of the air pump is increased.
The dissolved oxygen in the gas mixing tank is ensured. When the dissolved oxygen in the gas mixing tank is detected to be smaller than the preset dissolved oxygen, controlling and increasing the input voltage of the air pump so as to input more gas; when the dissolved oxygen in the gas mixing tank is detected to be larger than the preset dissolved oxygen, the average value of the dissolved oxygen in a period of time is detected, and the condition that the bath effect of a user is influenced because the dissolved oxygen in the gas mixing tank is insufficient due to the fact that the instantaneous dissolved oxygen is larger than the preset dissolved oxygen and the input voltage of the air pump is controlled to be reduced is avoided. When the average value of the dissolved oxygen in a period of time is still larger than the preset dissolved oxygen, the input voltage of the air pump is controlled to be reduced, and when the average value of the dissolved oxygen in a period of time is smaller than the preset dissolved oxygen, the input voltage of the air pump is increased to ensure the dissolved oxygen in the gas mixing tank.
The following steps are also included after step S109:
s110, detecting whether a preset liquid level is reached in the gas mixing tank;
if yes, the process proceeds to step S111: ending the control and adjustment of the input voltage of the air pump;
if not, the process returns to step S101.
The input voltage of the air pump is continuously adjusted before the preset liquid level is reached in the air mixing tank, because the water flow may change in real time, and in order to ensure the air mixing effect in the air mixing tank, the input voltage of the air pump needs to be controlled and adjusted according to the change of the water flow.
In step S102, the method for acquiring the real-time gas flow rate includes:
by the formula
Obtaining the gas flow rate, wherein V is the gas flow rate, K is the balance coefficient, Q1 is the heating quantity of a heater in the gas flowmeter, Delta T is the temperature difference between T2 and T1 in the gas flowmeter, and rhogIs gas real-time density, wherein
ρnThe gas density under n standard conditions (101.325Kpa, 20 ℃), P is the real-time atmospheric pressure, and T is the real-time temperature;
and acquiring the cross-sectional area S of the fluidic device, and acquiring the real-time gas flow by using a formula Q2 (S multiplied by V), wherein Q2 is the real-time gas flow, S is the cross-sectional area of the fluidic device, and V is the gas flow speed. The real-time gas flow can be obtained at different temperatures and atmospheric pressures, the gas mixing effect is ensured, and the oxygen concentration of the micro-nano bubble water in the bath is ensured.
In gas flowmeter, be equipped with two temperature sensor, be first temperature sensor and second temperature sensor respectively, form the determining deviation between first temperature sensor and the second temperature sensor, and first temperature sensor is close to gas flowmeter's inlet end, and the second temperature sensor is close to gas flowmeter's the end of giving vent to anger, and when gas entered into gas flow timing, it leans on through first temperature sensor and second temperature sensor in proper order.
When the gas flowmeter works, the first temperature sensor continuously measures the temperature T1 of the medium (such as air); the second temperature sensor is provided with a heater which is heated to a set temperature, the second temperature sensor is used for detecting the temperature T2 at the heater, and T2 is larger than T1. Wherein the temperature difference Delta T is T2-T1, and T2> T1. When the gas flow passes through the first temperature sensor when the fluid flows through, the first temperature sensor detects the temperature of the gas at the moment, the temperature of T2 is reduced because gas molecules collide with the second temperature sensor and take away heat at the second temperature sensor, and the faster the gas flow speed, the more heat is taken away.
The following steps are also included before step S101:
step S201, detecting whether the micro-nano bubble water function is entered;
if yes, go to step S101; if not, go to step S202;
and S202, controlling the air pump to be turned off, and controlling the water heater to discharge water after heating according to the preset temperature.
The user can select whether to start the micro-nano bubble water function or not according to the requirement.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (10)
1. A water heater with a micro-nano bubble water generating device (2) is characterized by comprising a water heater body (1) and the micro-nano bubble water generating device (2), the micro-nano bubble water generating device (2) is arranged in the water heater body (1), the micro-nano bubble water generating device (2) comprises a jet device (3), a gas mixing tank (4), a gas inlet pipe (5) and a water inlet pipe (6), the water inlet pipe (6) is communicated with a water flow pipeline inside the water heater body (1), the water outlet end of the water inlet pipe (6) and the air outlet end of the air inlet pipe (5) are communicated with the jet device (3), the water outlet end of the jet device (3) is communicated with the water inlet end of the gas mixing tank (4), an air pump (51) and a gas flowmeter (52) are also arranged on the air inlet pipe (5).
2. The water heater with the micro-nano bubble water generating device (2) according to claim 1, wherein the micro-nano bubble water generating device (2) further comprises a dissolved oxygen sensor (8), and the dissolved oxygen sensor (8) is arranged on the gas mixing tank (4) and used for detecting the oxygen concentration in the gas mixing tank (4).
3. The water heater with the micro-nano bubble water generating device (2) according to claim 1, wherein the micro-nano bubble water generating device (2) further comprises a liquid level meter (7), and the liquid level meter (7) is arranged on the gas mixing tank (4) and used for detecting the liquid level in the gas mixing tank (4).
4. The water heater with the micro-nano bubble water generating device (2) according to claim 1, wherein a check valve (53) is further arranged on the air inlet pipe (5), and the check valve (53) is arranged between the jet device (3) and the air pump (51).
5. A control method of a water heater with a micro-nano bubble water generating device is characterized by being applied to the water heater with the micro-nano bubble water generating device according to any one of claims 1 to 4, and comprising the following steps:
step S101, acquiring real-time water flow, and acquiring corresponding preset gas flow according to the real-time water flow;
s102, controlling a booster pump to be started and acquiring real-time gas flow;
and step S103, adjusting the input voltage of the air pump according to the relation between the real-time gas flow and the preset gas flow.
6. The control method of the water heater with the micro-nano bubble water generating device according to claim 5, characterized by further comprising the following steps after the step S103:
step S104, detecting the oxygen concentration in the gas mixing tank, and judging whether the current dissolved oxygen is larger than the preset dissolved oxygen;
if yes, go to step S105; if not, the step S106 is executed;
step S105, obtaining an average dissolved oxygen amount within a preset time;
step S106, the input voltage of the air pump is increased.
7. The control method of the water heater with the micro-nano bubble water generating device according to claim 6, further comprising the following steps after the step S105:
step S107, detecting whether the average dissolved oxygen amount is larger than a preset dissolved oxygen amount;
if yes, go to step S108; if not, the process goes to step S109;
step S108, reducing the input voltage of the air pump until the current dissolved oxygen is equal to the preset dissolved oxygen;
in step S109, the input voltage of the air pump is increased.
8. The control method of the water heater with the micro-nano bubble water generating device according to claim 7, further comprising the following steps after step S109:
s110, detecting whether a preset liquid level is reached in the gas mixing tank;
if yes, the process proceeds to step S111: ending the control and adjustment of the input voltage of the air pump;
if not, the process returns to step S101.
9. The method for controlling a water heater with a micro-nano bubble water generating device according to claim 5, wherein in step S102, the method for obtaining the real-time gas flow rate comprises:
by the formula
Obtaining the gas flow rate, wherein V is the gas flow rate, K is the balance coefficient, Q1 is the heating quantity of the heater, Delta T is the temperature difference between T2 and T1, and rhogIs the gas real-time density;
and acquiring the cross-sectional area S of the fluidic device, and acquiring the real-time gas flow by using a formula Q2 (S multiplied by V), wherein Q2 is the real-time gas flow, S is the cross-sectional area of the fluidic device, and V is the gas flow speed.
10. The method for controlling a water heater with a micro-nano bubble water generating device according to claim 9, wherein the real-time gas density ρ isgThe acquisition method comprises the following steps:
by the formula
Obtaining real-time density, rho, of gasnThe gas density under n standard conditions (101.325Kpa, 20 ℃), P the real-time atmospheric pressure, and T the real-time temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110749781.4A CN113587429A (en) | 2021-07-02 | 2021-07-02 | Water heater with micro-nano bubble water generating device and control method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110749781.4A CN113587429A (en) | 2021-07-02 | 2021-07-02 | Water heater with micro-nano bubble water generating device and control method thereof |
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| CN113587429A true CN113587429A (en) | 2021-11-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100389A (en) * | 2021-11-15 | 2022-03-01 | 华帝股份有限公司 | Bubble water generating device for water heater |
| CN115531997A (en) * | 2022-10-17 | 2022-12-30 | 中国农业科学院农田灌溉研究所 | Nanometer bubble generator |
-
2021
- 2021-07-02 CN CN202110749781.4A patent/CN113587429A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114100389A (en) * | 2021-11-15 | 2022-03-01 | 华帝股份有限公司 | Bubble water generating device for water heater |
| CN115531997A (en) * | 2022-10-17 | 2022-12-30 | 中国农业科学院农田灌溉研究所 | Nanometer bubble generator |
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