Water heater with micro-nano bubble water generating device and control method thereof

A technology of micro-nano bubbles and generating devices, which is applied in chemical instruments and methods, mixing methods, fluid heaters, etc., can solve the problems of potential safety hazards, high noise, and difficulty in ensuring the mixing effect of gas and liquid in the gas mixing tank. Improve user experience and ensure cleaning effect

Inactive Publication Date: 2021-11-02
VATTI CORP LTD
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AI-Extracted Technical Summary

Problems solved by technology

High-pressure gas source is not easy to obtain, and at the same time, it is noisy, low utilization rate and has potential safety hazards; from the perspective of operating energy consumption, negative pressure suction reduces the energy consumed to increase the gas pressure, and is easy to implement
However, since the gas enters into a negative pressure state, the state of the gas is related to temperat...
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Abstract

The invention provides a water heater with a micro-nano bubble water generating device and a control method thereof. 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, and 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 communicates 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 communicate with the jet device, the water outlet end of the jet device communicates with the water inlet end of the gas mixing tank, and an air pump and a gas flowmeter are further arranged on the gas inlet pipe. A user can select whether to enter the micro-nano bubble water function or not, and the flow of real-time gas entering the gas mixing tank can be obtained.

Application Domain

Fluid heatersMixing methods +1

Technology Topic

Micro nanoGas mixing +7

Image

  • Water heater with micro-nano bubble water generating device and control method thereof
  • Water heater with micro-nano bubble water generating device and control method thereof

Examples

  • Experimental program(2)

Example Embodiment

[0039] Example 1:
[0040] See figure 1 A water heater having a micronine gas bubble generating device comprising a water heater body 1 and a micronine gas bubble generating device 2, the micronine bubble water generating device 2 is disposed in the water heater body 1, the micronine bubble The water generating device 2 includes a jet device 3, a mixing tank 4, an intake pipe 5, and an inlet pipe 6, and the water pipe 6 communicates with the water flow line inside the water heater body 1, the water pipe 6 of the water pipe 6 and the The outlet end of the air tube 5 is in communication with the jet device 3, and the anwatering end of the joining device 3 is in communication with the inlet end of the mixing tank 4, and an air pump 51 is also provided on the intake pipe 5 and Gas flowmeter 52.
[0041] The present invention proposes a water heater having a micronine bubble water generating device 2, and the user can choose to enter the micronine gas bubble function (i.e., taking micro-nano gas bubble water) or does not enter the micronine gas bubble function (ie ordinary bath mode), If the user selects into the micro-nano gas supply function, the water flow is entered into the water heater body 1, and the water flow line enters the jet device 3, and the air pump 51 is controlled, the gas is entered into the jet device 3, water flow and gas. After the initial mixing is performed in the jet apparatus 3, the gas is entered into the mixing tank 4, and the gas is further dissolved in the liquid, producing micronine gas bubbles, and the produced micro-nano bubble water flows out of the water pipe. If the user selects not entering the micronine bubble function, the water flow is entered into the water heater body 1, and the heating unit is provided with the heating unit by the heating unit by the water heating unit, and the air pump 51 is closed, then the water flow is transmitted through the jet device 3. Entering the mixing tank 4 and discharged by the jug.
[0042] An air pump 51 and a gas flow meter 52 are provided on the intake pipe 5, and the outer gas source can be initially introduced into the jet device 3 through the air pump 51 to introduce into the mixing tank 4. Since the cross section of the jet device 3 is constant, the flow rate of the gas can be controlled by the flow rate of the gas flow rate control gas.
[0043] The working principle of the gas flow meter 52 is: two temperature sensors are provided in the gas flow meter 52, which is a first temperature sensor and a second temperature sensor, a first temperature sensor, and a second temperature sensor to form a certain spacing, and The first temperature sensor is close to the intake end of the gas flow meter 52, the second temperature sensor is approached from the air of the gas flow meter 52, and when the gas enters the gas flow meter 52, the first temperature sensor and the second temperature sensor are sequentially leaned.
[0044] When the gas flow meter 52 operates, the first temperature sensor is not intermittently measuring the medium (e.g., air) temperature T1; the second temperature sensor is provided with a heater, the heater is heated to the set temperature, the second temperature sensor is used to detect the heater. The temperature T2 at the time is greater than T1. The temperature difference ΔT is T2-T1, T2> T1. When there is a fluid flow, the gas stream passes through the first temperature sensor, the first temperature sensor detects the gas temperature at the time, and since the gas molecule collides the second temperature sensor and takes the heat at the second temperature sensor, the temperature of T2 is lowered. The faster the gas flow rate is, the more heat taken away. At this time, the gas flow rate can be controlled by controlling the temperature difference ΔT, wherein the ΔT can be constant to 30-50 ° C.
[0045] Preferably, through formula The gas flow rate is obtained, where V is the gas flow rate, k is the balance coefficient, Q is the heating amount of the heater, the temperature difference of Δt is T2 and T1, ρ g Gas real-time density.
[0046] in, ρ n For the N standard conditions (101.325 kPa, 20 ° C), p is real-time atmospheric pressure, T is real-time temperature.
[0047] Since the cross section of the jet device 3 is constant, the gas flow can be further acquired by obtaining a gas flow rate. The present invention proposes a water heater having a micronine gas bubble water generating device 2 to acquire gas flow.
[0048] When the liquid flow rate is constant, the gas flow rate can be detected by the gas flow meter 52 by adjusting the input voltage of the air pump 51 to adjust the gas flow rate.
[0049] The micronine gas bubble generating device 2 further includes an oxygen sensor 8 disposed on the mixing tank 4 for detecting an oxygen concentration in the mixing tank 4.
[0050] Gas and liquid enter into the jet device 3 after the initial mixing is entered into the mixing tank 4. A dissolved oxygen sensor 8 is provided on the mixing tank 4, and the oxygen concentration after mixing in the mixing tank 4 can be detected.
[0051] The micronine gas bubble generating device 2 further includes a liquid level 7, which is disposed on the mixing tank 4 for detecting the liquid level in the mixing tank 4.
[0052] A stopper valve 53 is also provided on the intake pipe 5, and the countervalve valve 53 is disposed between the jet device 3 and the air pump 51. The gas flow meter 52 is disposed on one side adjacent the intake end of the air tube 5, i.e., on the intake pipe 5, from one side adjacent to the intake pipe 5 out of the gas end. A gas flow meter 52, an air pump 51, and a counter valve 53 are sequentially provided.

Example Embodiment

[0053] Example 2:
[0054] See figure 2 A control method having a micronine gas bubble water generating means water heater is shown, which is applied to a micronine-free water generating device water heater described in the embodiment, including the following steps:
[0055] Step S101, acquire real-time water flow, obtain corresponding preset gas flow according to real-time water flow;
[0056] Step S102, control the boost pump to turn on and acquire real-time gas flow;
[0057] Step S103 adjusts the input voltage of the air pump according to the relationship between the real-time gas flow and the preset gas flow.
[0058] The present invention proposes a control method having a water heater having a micronine bubble water generating device. When the user uses water heater, the water flow is different, by acquiring real-time water flow to obtain preset gas flow corresponding to the real-time water flow, Control the booster pump is turned on, in the air, and obtain the real-time gas flow after the pressurized pump is opened, the input voltage of the air pump is adjusted according to the relationship between real-time gas flow and preset gas flow to make real-time gas flow equal to pre- The gas flow is provided to enable the gas and the liquid to mix a certain concentration of micro-nanofubile water after mixing in the mixing tank to ensure the cleaning effect of the bath, improve the user experience.
[0059] After step S103, the following steps are included:
[0060] Step S104, detect the oxygen concentration in the mixing tank, and determine whether the current amount of oxygen is greater than the predetermined oxygen;
[0061] If yes, the step S105 is proceeds; if, then proceeds to step S106;
[0062] Step S105, acquire an average value of the oxygen in the preset time;
[0063] Step S106, improve the input voltage of the air pump.
[0064] After step S105, the following steps are further included:
[0065] Step S107, detect if the amount of dissolved oxygen is greater than the predetermined amount of oxygen;
[0066] If yes, then go to step S108; if, then proceeds to step S109;
[0067] Step S108, reducing the input voltage of the air pump to the current amount of oxygen is equal to the predetermined amount of oxygen;
[0068] Step S109, increasing the input voltage of the air pump.
[0069] Ensure the amount of oxygen in the mixing tank. When detecting that the amount of dissolved oxygen in the mixing tank is less than the preset amount of oxymetic amount, the input voltage of the air pump is controlled to input more gases; when the amount of dissolved oxygen in the mixing tank is detected is greater than the preset solvent When the amount is measured, the amount of dissolved oxygen in a period of time is detected to avoid insufficient dissolution in the mixing tank due to the instantaneous amount of oxygen content greater than the predetermed oxymetic amount. The effect of the effect. When the average value of the oxygen in a period of time is still greater than the predetermined amount of oxygen, the input voltage of the air pump is controlled. When the amount of dissolved oxygen in a period of time is less than the predetermined amount of oxygen, the air pump is increased. The input voltage ensures the amount of oxygen in the mixing tank.
[0070] After step S109, the following steps are included:
[0071] S110, detecting whether the preset liquid level is reached in the mixing tank;
[0072] If yes, then go to step S111: End the control to adjust the input voltage of the air pump;
[0073] If not, then return step S101.
[0074] The input voltage of the air pump is continuously adjusted before the preset liquid level is reached in the mixing tank. The reason is that the water flow may change in real time. In order to ensure the mixture effect in the mixing tank, it is necessary to control the air according to the change of water flow. The input voltage of the pump.
[0075] In step S102, the method of acquiring real-time gas flow is:
[0076] Pass formula The gas flow rate, V is the gas flow rate, k is the balance coefficient, Q1 is the heating amount of the heater in the gas flow meter, ΔT is the temperature difference of T2 and T1 in the gas flow meter, ρ g For gas real-time density, where ρ n For the N standard conditions (101.325 kPa, 20 ° C), p is real-time atmospheric pressure, T is real-time temperature;
[0077] The cross-sectional area S of the jet device is obtained, and the real-time gas flow is acquired by the formula Q2 = S × V, where Q2 is the real-time gas flow, and S is the cross-sectional area of ​​the jet device, V is a gas flow rate. At different temperatures and atmospheric pressure, the real-time gas flow can be obtained to ensure the mixture effect, and ensure the oxygen concentration of micronine gas in the bath.
[0078] In the gas flow meter, two temperature sensors are provided, which form a certain spacing between the first temperature sensor and the second temperature sensor, the first temperature sensor, and the second temperature sensor, and the first temperature sensor is close to the gas flow meter. The intake end, the second temperature sensor is approached from the air flow meter, and when the gas enters the gas flow meter, the first temperature sensor and the second temperature sensor are sequentially lepically.
[0079] When the gas flow meter works, the first temperature sensor is not intermittently measuring the medium (such as air) temperature T1; the second temperature sensor is provided with a heater, the heater is heated to the set temperature, and the second temperature sensor is used to detect the heater. Temperature T2, and T2 is greater than T1. The temperature difference ΔT is T2-T1, T2> T1. When there is a fluid flow, the gas stream passes through the first temperature sensor, the first temperature sensor detects the gas temperature at the time, and since the gas molecule collides the second temperature sensor and takes the heat at the second temperature sensor, the temperature of T2 is lowered. The faster the gas flow rate is, the more heat taken away.
[0080] The following steps are included before step S101:
[0081] Step S201, detects whether to enter the micronine bubbles;
[0082] If yes, then go to step S101; if, then proceeds to step S202;
[0083] Step S202, the air pump is controlled, and the water heater is controlled after heating according to the preset temperature.
[0084] The user can choose whether to enable the micronine gas bubble function as needed.

PUM

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