CN116250723A - Water purifier water outlet control method - Google Patents

Water purifier water outlet control method Download PDF

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Publication number
CN116250723A
CN116250723A CN202211222867.2A CN202211222867A CN116250723A CN 116250723 A CN116250723 A CN 116250723A CN 202211222867 A CN202211222867 A CN 202211222867A CN 116250723 A CN116250723 A CN 116250723A
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China
Prior art keywords
control device
water
flow control
flow
power
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CN202211222867.2A
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Chinese (zh)
Inventor
朱泽春
陶玉强
窦小勇
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Joyoung Co Ltd
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Joyoung Co Ltd
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Priority to CN202211222867.2A priority Critical patent/CN116250723A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/52—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus
    • A47J31/525—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus the electronic control being based on monitoring of specific process parameters
    • A47J31/5255—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus the electronic control being based on monitoring of specific process parameters of flow rate
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A47J31/468—Pumping means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/52—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus
    • A47J31/525—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus the electronic control being based on monitoring of specific process parameters
    • A47J31/5253—Alarm-clock-controlled mechanisms for coffee- or tea-making apparatus ; Timers for coffee- or tea-making apparatus; Electronic control devices for coffee- or tea-making apparatus the electronic control being based on monitoring of specific process parameters of temperature

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Flow Control (AREA)

Abstract

The application provides a purifier play water control method, and the purifier includes first flow control device, second flow control device and proportion adjusting device, goes out water control method and includes: obtaining a target water outlet temperature and a target water outlet quantity; determining a first operating power of the first flow control device based on the target outlet water temperature; determining a second operating power of the second flow control device based on the target water yield and the first operating power; controlling the first flow control device to operate at a first operating power and controlling the second flow control device to operate at a second operating power; when the first flow control device and the second flow control device work simultaneously, the first working power and the second working power are limited in the working power range, and the first working power and the second working power are determined according to a preset relation by the actual maximum flow so as to realize accurate flow calculation, and further realize accurate constant temperature and accurate quantitative water outlet of the maximum flow.

Description

Water purifier water outlet control method
Technical Field
The application relates to the technical field of water purifiers, in particular to a water purifier water outlet control method.
Background
In daily life use of the water purifier, a user hopes to obtain water at a constant temperature and a large flow rate when taking water, the water purifier on the market is divided into two types, namely a water purifier without a hot water tank and a water purifier with a hot water tank, the water purifier without the hot water tank can only output water at a small flow rate due to the power limitation of a heating element, when the user needs to output boiling water, the water purifier with the hot water tank generally keeps the water in the hot water tank at a certain temperature, for example, the water temperature in the hot water tank is kept at 50 ℃, the temperature can ensure the common function of the user, at the moment, the water temperature is high, after passing through the heating element, the water purifier can be heated faster than cold water, and therefore the flow rate can be larger than that of the water tank without the hot water. The capacity of the hot water tank is limited, and the water quantity capable of continuously taking the fixed temperature is small, so that cold water and hot water are required to be discharged simultaneously under some conditions, and the water temperature is heated to the set water temperature by the heating body at the moment, so that the longest fixed-temperature water discharge can be ensured.
However, in order to save cost, some water purifiers are often not provided with a flowmeter, the flow is calculated through a water pump, and the water outlet flow of the water pump has errors, especially when two water paths of cold water and hot water are collected and water is discharged simultaneously, the errors are larger, so that how to realize quantitative constant-temperature water with large flow becomes a technical problem to be solved urgently.
Disclosure of Invention
The application provides a water purifier water outlet control method for solving the technical problem of realizing quantitative constant-temperature water outlet with large flow.
According to an aspect of the embodiments of the present application, there is provided a water outlet control method of a water purifier, the water purifier including a first flow control device, a second flow control device and a proportion adjustment device, wherein the first flow control device is used for controlling a flow rate of first initial temperature water, the second flow control device is used for controlling a flow rate of second initial temperature water, the proportion adjustment device is disposed at water outlets of the first flow control device and the second flow control device, and is used for converging water outlet of the first flow control device and the second flow control device, the water outlet control method includes: obtaining a target water outlet temperature and a target water outlet quantity; determining a first operating power of the first flow control device based on the target outlet water temperature; determining a second operating power of the second flow control device based on the target water yield and the first operating power; controlling the first flow control device to operate at a first operating power and controlling the second flow control device to operate at the second operating power; when the first flow control device and the second flow control device work simultaneously, the water flow in the proportion adjusting device and the first working power and the second working power meet the preset relation, and the preset relation is determined based on the working power ranges of the first flow control device and the second flow control device and the maximum actual flow.
Optionally, when the first flow control device and the second flow control device are operated simultaneously, the maximum actual flow of the first flow control device is determined based on the flow of the second flow control device; and/or the maximum actual flow of the second flow control device is determined based on the flow of the first flow control device.
Optionally, the maximum actual flow rate of the first flow rate control device is inversely related to the real-time flow rate of the second flow rate control device; and/or the maximum actual flow of the second flow control device is inversely related to the real-time flow of the first flow control device.
Optionally, the determining the second operating power of the second flow control device based on the target water yield and the first operating power includes: correcting the target water yield to obtain corrected target water yield; and determining the second working power of the second flow control device according to the corrected target water yield and the first working power.
Optionally, the correcting the target water yield includes: and acquiring the actual water yield of the first flow control device working with the first working power, determining a first correction coefficient according to the target water yield and the actual water yield, and correcting the target water yield by using the first correction coefficient.
Optionally, the correcting the target water yield includes: determining a second correction factor based on the first operating power and the second operating power; and correcting the target water yield by using the second correction coefficient, wherein the second correction coefficient is positively correlated with the first working power and the second working power.
Optionally, the determining the first operating power of the first flow control device based on the target outlet water temperature includes: acquiring an initial water temperature in the proportion adjusting unit; calculating a first temperature difference between a target outlet water temperature and the initial water temperature; the first operating power is determined based on the first temperature difference.
Optionally, the controlling the first flow control device to operate at a first operating power, and the controlling the second flow control device to operate at the second operating power further includes: acquiring the actual water outlet temperature; calculating a second temperature difference between the target outlet water temperature and the actual outlet water temperature; adjusting the first operating power based on the second temperature difference; and adjusting the second working power based on the adjusted first working power and the target water yield until the actual water outlet temperature reaches the target temperature, wherein the water flow in the proportional adjusting device corresponding to the first working power and the second working power and the target water yield meets the preset relation.
Optionally, the method for enabling the water flow in the proportional adjustment device to meet the preset relation with the first working power and the second working power includes that when the power of the first flow control device and the power of the second flow control device are in a preset interval, the actual water yield of the first flow control device is VA, the actual water yield of the second flow control device is VB, and the water flow v=va+vb of the proportional adjustment device.
Optionally, the preset interval includes a working power range P1 of the first flow control device and a working power range P2 of the second flow control device, and if the rated power of the first flow control device is greater than the rated power of the second flow control device, a is greater than or equal to P1 and less than or equal to B, and C is greater than or equal to P2 and less than or equal to D, where a is the minimum starting power of the first flow control device, and B is the maximum working power of the first flow control device; c is the minimum starting power of the second flow control device, and D is the maximum working power of the second flow control device.
According to the method and the device, the water flow of the flow control device can be controlled by controlling the working power of the first flow control device and the working power of the second flow control device, so that the proportion of hot water and cold water can be adjusted, water with different temperatures is blended, when the first flow control device and the second flow control device work simultaneously, errors exist in flow control due to mutual influence, the inventor finds that when the two flow control devices work simultaneously, the different working powers are different in mutual influence, and the maximum actual flow of the two control devices is different from the theoretical maximum flow due to the mutual influence, therefore, when the first flow control device and the second flow control device work simultaneously, the water flow in the proportion adjusting device, the first working power and the second working power meet the preset relation, and the preset relation is determined based on the working power range and the maximum actual flow of the first flow control device and the second flow control device. Under the preset relation, acquiring a target water outlet temperature and a target water outlet quantity, and determining a second working power of the second flow control device based on the target water outlet quantity and the first working power; the first flow control device is controlled to work with first working power, the second flow control device is controlled to work with second working power, the first working power and the second working power are limited in a working power range, the first working power and the second working power are controlled to achieve accurate flow calculation according to the water flow in the proportional adjustment device as target water yield according to the actual maximum flow and a preset relation, and further accurate constant temperature and accurate quantitative water outlet of the maximum flow are achieved.
Further, when the first flow control device and the second flow control device work at the same time, if the first flow control device is controlled to work at the maximum power, the second flow control device works at any power, the actual water flow in the proportion adjustment device deviates from the theoretical water flow, or the second flow control device is controlled to work at the maximum power, the first flow control device works at any power, the actual water flow in the proportion adjustment device deviates from the theoretical water flow in the same way, under the normal working condition, the larger the power of the flow control device is, the larger the water flow is, and by calculating the power of the flow control device and the actual water flow in the comparison adjustment device, the maximum actual flow of the first flow control device and the real-time flow of the second flow control device are determined to be inversely related, and the maximum actual flow of the second flow control device and the real-time flow of the first flow control device are limited, so that the working power of the first flow control device and/or the second flow control device is/are/is/are limited, the working power of the flow control device is kept within a preset interval, and the constant temperature water outlet of the water purifier can be ensured.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to a person skilled in the art that other drawings can be obtained from these drawings without inventive effort.
FIG. 1 is a flow chart of an alternative water purifier outlet control method according to an embodiment of the present application;
FIG. 2 is a schematic diagram of measured outlet flow of an alternative water purifier according to an embodiment of the present application;
FIG. 3 is a schematic diagram of theoretical water output and measured water output of an alternative water purifier according to an embodiment of the present application;
FIG. 4 is a schematic diagram of another theoretical water output and measured water output of an alternative water purifier according to an embodiment of the present application;
FIG. 5 is a schematic diagram of another theoretical water output and measured water output of an alternative water purifier according to an embodiment of the present application;
FIG. 6 is a schematic diagram of another theoretical outlet flow and measured outlet flow of an alternative water purifier according to an embodiment of the present application;
FIG. 7 is a schematic diagram of measured water flow rates of an alternative water purifier under different conditions according to an embodiment of the present application;
FIG. 8 is a schematic diagram of another measured outlet flow rate of an alternative water purifier under different conditions according to an embodiment of the present application;
fig. 9 is a block diagram of an alternative electronic device according to an embodiment of the present application.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
According to one aspect of the application, a water purifier water outlet control method is provided, wherein the water purifier comprises a first flow control device, a second flow control device and a proportion adjusting device, the first flow control device is used for controlling the flow of first initial temperature water, the second flow control device is used for controlling the flow of second initial temperature water, and the proportion adjusting device is arranged at water outlets of the first flow control device and the second flow control device and used for converging water outlet of the first flow control device and the second flow control device.
The first flow control device outputs hot water, the second flow control device outputs cold water for explanation, however, the first flow control device may also output cold water, and the second flow control device outputs hot water. Referring to fig. 1, the water outlet control method includes:
s10, obtaining a target water outlet temperature and a target water outlet quantity.
The user can set up demand information such as water outlet temperature, water yield through the operating panel on the purifier, and after the controller received user's demand information, through decoding information acquisition target water outlet temperature and target water yield, control the play water installation of purifier based on target water outlet temperature and target water yield.
S20, determining the first working power of the first flow control device based on the target outlet water temperature.
When the first flow control device and the second flow control device are required to work simultaneously, the target water outlet temperature of the water purifier, which meets the user requirement, can be realized by adjusting hot water and cold water according to a certain proportion, after the target water outlet temperature is obtained, PID (proportion integration differentiation) adjustment can be utilized, the first working power of the first flow control device is determined based on the target water outlet temperature, specifically, the difference value between the initial water temperature of the water quantity in the proportional adjustment device and the target temperature is determined, and the first working power is determined through the temperature difference value and the PID adjustment.
S30, determining second working power of the second flow control device based on the target water yield and the first working power.
After the first working power is obtained, under the condition that the first flow control device and the second flow control device work simultaneously, the water flow of the first flow control device can be determined through the first working power, the water flow of the second flow control device is obtained by subtracting the water flow of the first flow control device from the total water flow in the proportion adjusting device, then the second working power of the second flow control device is determined based on the water flow of the second flow control device, the water purifier is ensured, and after the first working power and the second working power corresponding to the target water yield and the target water yield temperature are determined, the step S40 is entered.
S40, controlling the first flow control device to work with the first working power, and controlling the second flow control device to work with the second working power.
The water flow of the flow control device is controlled by controlling the working power of the first flow control device and the working power of the second flow control device, so that the proportion of hot water and cold water is adjusted, water with different temperatures is blended, when the cold water flow control device and the hot water flow control device work simultaneously, errors exist in flow control due to mutual influence, the inventor finds that when the two flow control devices work simultaneously, the different working powers are different in mutual influence, and the maximum actual flow of the two control devices is different from the theoretical maximum flow due to the mutual influence, therefore, when the first flow control device and the second flow control device work simultaneously, the water flow in the proportion adjusting device, the first working power and the second working power meet the preset relation, and the preset relation is determined based on the working power range of the first flow control device and the second flow control device and the maximum actual flow. Under the preset relation, acquiring a target water outlet temperature and a target water outlet quantity, and determining a second working power of the second flow control device based on the target water outlet quantity and the first working power; the first flow control device is controlled to work with first working power, the second flow control device is controlled to work with second working power, the first working power and the second working power are limited in a working power range, the first working power and the second working power are controlled to realize accurate flow calculation according to the water flow in the target water yield serving as a proportion adjusting device by the actual maximum flow according to a preset relation, and further, accurate constant temperature and accurate quantitative water outlet of the maximum flow are realized.
As an exemplary embodiment, the method for enabling the water flow rate in the proportional adjustment device to satisfy the preset relation with the first operating power and the second operating power includes that when the power of the first flow rate control device and the power of the second flow rate control device are in a preset interval, the actual water yield of the first flow rate control device is VA, the actual water yield of the second flow rate control device is VB, and the water flow rate v=va+vb of the proportional adjustment device. The preset interval comprises a working power range P1 of the first flow control device and a working power range P2 of the second flow control device, and if the rated power of the first flow control device is larger than that of the second flow control device, A is smaller than or equal to P1 and smaller than B, C is smaller than or equal to P2 and smaller than or equal to D, wherein A is the minimum starting power of the first flow control device, and B is the maximum working power of the first flow control device; c is the minimum starting power of the second flow control device, and D is the maximum working power of the second flow control device.
The water of the first flow control device and the water of the second flow control device may be water having different temperatures or water having different water qualities, for example. When the water of the first flow rate control device and the water of the second flow rate control device are two kinds of water having different water qualities, the water may be a combination of mineral-free water after RO filtration and mineral-containing water to which other ions are added, for example, effluent water, bubble water, and the like, which is not limited herein. When the water of the first flow control device and the water of the second flow control device are two different temperatures, then it may be a combination of hot water and cold water.
When the first flow control device is a hot water pump for controlling hot water outlet, the second flow control device is a cold water pump for controlling cold water outlet, the rated power of the selected hot water pump is larger than the rated power of the cold water pump, the theoretical flow and the actual flow in the proportional adjustment device when the power of the hot water pump is 25%, 50%, 75% and 100% respectively are calculated respectively, and the theoretical flow and the actual flow in the proportional adjustment device when the power of the hot water pump is 25%, 50%, 75% and 100% respectively are calculated respectively, see the figures 2 and 3, wherein the figure 2 is the actual flow, the figure 3 is the deviation of the theoretical flow and the actual flow, as can be seen from the figure, the water flow flowing into the proportional adjustment device is increased along with the increase of the power of the other pump under the condition that the power of one pump is fixed, the deviation of the theoretical flow and the actual flow is maximum, the increase of the power and the increase of the proportional adjustment device are not strictly linear relation increment, but the mutual influence exists between the cold water pump and the hot water pump, and the water flow in the proportional adjustment device and the actual flow range of the hot water pump can be calculated, and the water flow can be controlled by a user under the condition that the preset water flow and the preset water flow is guaranteed.
Based on the above embodiment, it is assumed that the working power of the pump in the water purifier is in a proportional relationship with the water flow, the total water flow in the proportional adjustment device is equal to the sum of the water flows of each pump, and the total water flow is respectively set in the process of intersecting cold water and hot water, the actual maximum flow of the hot water pump and the actual maximum flow of the cold water pump gradually reduce the errors of the theoretical flow and the actual flow, and fig. 3-6 are the errors of the theoretical flow and the actual flow when the actual maximum flow of the hot water pump and the actual maximum flow of the cold water pump are partially set, and can be found that the actual maximum flow of the hot water pump is 2000ml/min, the actual maximum flow of the cold water pump is 1200ml/min, the errors of the heat removal pump are larger when the working power is 100%, and the rest errors are within 100ml, and the influence generated when the water is quantitatively taken for 1500ml, so that the working power of the hot water pump is limited to 25% -75% and the working power of the cold water pump is 25% -100% most accords with the linear relationship when the control program of the water purifier is set.
As can be seen from the above embodiments, A, C can be 25% full power, which is the minimum start power of the pump, B can be 75% full power, and D can be 100% full power, so 25% full power is equal to or less than P1 < 75% full power, 25% full power is equal to or less than P2 is equal to or less than 100% full power. When the water of the first flow control device and the water of the second flow control device are simultaneously started to meet, the first flow control device and the second flow control device need to have the minimum starting power, and A and C are the minimum starting power of the pump. Because the water of the first flow control device and the water of the second flow control device are intersected at the same time, the actual water outlet flow rates of the two flow control devices can be influenced, and if the rated powers of the two flow control devices are different, in the actual water outlet, the flow control device with the large actual water outlet flow rate can form a back pressure influence on the flow control device with the small actual water outlet flow rate, in order to reduce the back pressure influence, the flow rate calculation error generated by intersection of the two flows is weakened as much as possible, and in the preset relation of the application, the maximum working power of the flow control device with the larger rated power is removed from the working power range of the flow control device. That is, the maximum operating power of the flow control device with the larger rated power does not include the rated power.
The maximum actual flow rate will be described in detail based on the operating power ranges of the first flow rate control device and the second flow rate control device that satisfy the linear relationship defined in the above embodiments:
the following examples explain the first flow control device as a hot water pump and the second flow control device as a cold water pump.
In the water purifier, the cold water pump is controlled to work at full power, the hot water pump is controlled to work at full power when the cold water pump is not operated, the hot water pump is controlled to work at the outlet water flow rate of 2000ml/min, but when the hot water pump and the cold water pump are simultaneously operated, the inventor finds that the calculated total outlet water flow rate deviates from the actually measured outlet water flow rate, and found that the maximum flow rate when the first flow rate control device and the second flow rate control device are respectively independently operated is different from the maximum actual flow rate when the first flow rate control device and the second flow rate control device are simultaneously operated, if the flow rates of the first flow rate control device and the second flow rate control device are different, the water flows from the first flow rate control device and the second flow rate control device are mutually influenced by the flow rate of the other party. Therefore, it is necessary to correct the maximum actual flow rate of one flow rate control device with respect to the real-time flow rate of the other flow rate control device, that is, correct the real-time flow rate of the other flow rate control device, so as to ensure the accuracy of the flow rate calculation.
As an alternative embodiment, when the first flow control device and the second flow control device are operated simultaneously, the maximum actual flow of the first flow control device is determined based on the flow of the second flow control device; and/or the maximum actual flow of the second flow control device is determined based on the flow of the first flow control device. In the present embodiment, the actual flow rates for the first flow rate control device and the second flow rate control device may be determined based on the flow rate of the other party, and, when the water flow rate in the proportional adjustment unit is calculated, the actual flow rate and the operating power are determined in accordance with the calculation. The accuracy of water flow calculation in the proportional regulating unit can be ensured.
As an exemplary embodiment, the following embodiment is explained with the first flow control device as a hot water pump and the second flow control device as a cold water pump. If the actual working power applied to the hot water pump is larger than the actual working power applied to the cold water pump, the flow rate of the hot water pump is larger than that of the cold water pump, and the hot water pump possibly causes the cold water pump to generate a back pressure condition in a pipeline where the cold water pump and the hot water pump meet; if the flow rate of the cold water pump is greater than that of the hot water pump, the cold water pump may cause the hot water pump to have a back pressure condition in a pipeline where the cold water pump and the hot water pump meet. Thus, in this embodiment, the maximum actual flow of the first flow control device is inversely related to the real-time flow of the second flow control device; and/or the maximum actual flow of the second flow control device is inversely related to the real-time flow of the first flow control device.
In the present embodiment, at the time of calculation of the maximum flow rate, the maximum actual flow rate of one flow rate control device may be calculated based on the real-time flow rate of the other flow rate control device. As an example, the greater the real-time flow of the second flow control device, the greater the back pressure forced to be received by the first flow control device, and therefore the smaller the maximum actual flow of the first flow control device, the greater the real-time flow of the first flow control device, and therefore the smaller the maximum actual flow of the second flow control device. For example, when the cold water pump is controlled to work at full power and the hot water pump is not operated, the water outlet flow of the cold water pump is 1350ml/min, and when the hot water pump is controlled to work at full power and the cold water pump is not operated, the water outlet flow of the hot water pump is 2000ml/min. As the operating power of the hot water pump increases, the maximum actual water output of the cold water pump decreases, and the peak value cannot be reached, and in an exemplary case, when the water output of the hot water pump is 2000ml/min, the maximum actual water output of the cold water pump is 1200 ml/min. For another example, when the water outlet flow rate of the hot water pump is 1000ml/min, the maximum actual water outlet amount of the cold water pump is 1250ml/min. When the real-time water outlet flow of the cold water pump is 1000ml/min, the maximum actual water outlet of the hot water pump is 1900ml/min, and when the real-time water outlet flow of the cold water pump is 600ml/min, the maximum actual water outlet of the hot water pump is 1950ml/min. Thus, the maximum actual flow of the cold water pump decreases with increasing real-time flow of the hot water pump. And/or the maximum actual flow of the hot water pump decreases with increasing real-time flow of the cold water pump.
As an alternative embodiment, the actual operating power applied to the hot water pump and the cold water pump may be different depending on the different target outlet temperatures and target outlet amounts. Under normal conditions, if the actual working power applied to the hot water pump is larger than the actual working power applied to the cold water pump, when the hot water and the cold water meet, the flow rate of the hot water pump is larger than the flow rate of the cold water pump, the hot water pump possibly promotes the cold water pump to generate a back pressure condition, and on the basis that the flow rates of the two water flows are influenced by the actual flow rates due to the intersection, the actual flow rate of the cold water pump is also reduced; if the actual operating power applied to the cold water pump is greater than the actual operating power applied to the hot water pump, the flow rate of the cold water pump is greater than the flow rate of the hot water pump when the hot water and the cold water meet, the cold water pump may cause the hot water pump to have a back pressure condition, and the actual flow rate of the hot water pump is reduced on the basis that the flow rates of the two water flows are affected by the actual flow rate due to the intersection. It is believed that when hot and cold water meet, a pump with a large applied actual operating power will result in a pump back pressure condition with a small applied actual operating power, that is, a pump with a large applied actual operating power will affect the actual flow rate of a pump with a small applied actual operating power.
As an exemplary embodiment, the determining the second operating power of the second flow control device based on the target water yield and the first operating power includes: correcting the target water yield to obtain corrected target water yield; and determining the second working power of the second flow control device according to the corrected target water yield and the first working power.
In this embodiment, referring to fig. 3 to 6, the theoretical flow rate and the actually measured flow rate of the total water flow rate in the proportional adjustment device deviate, so that the total water flow rate in the proportional adjustment device, the first working power and the second working power need to meet preset power, that is, some parameters involved in the working of the water purifier need to be corrected.
As an exemplary embodiment, since the actual water output is deviated from the target water output, in this embodiment, the target water output may be corrected to determine the second operating power of the second flow control device according to the corrected target water output and the first operating power. Optionally, after determining the target water output, controlling the first working power and the second working power according to the target water output to obtain an actual water output different from the target water output, so that the water output can be directly corrected, setting a correction coefficient, the correction coefficient can be used for working according to the first flow control device with the first working power, the second flow control device can be used for determining the water output difference between the actual water output and the target water output according to the second working power, and the correction coefficient can be used for correcting partial parameters when the water purifier works, so that the correction result is more accurate, for example, after determining that the theoretical flow and the actual flow of water in the proportional adjustment device can be greatly reduced to set the actual maximum flow of the hot water pump to 2000ml/min and the actual maximum flow of the cold water pump to 1200ml/min, when the target water outlet temperature is set, the target water outlet temperature under three working conditions, namely, the highest water outlet temperature with the largest hot water pump power and the smallest cold water pump power, the lowest water outlet temperature with the smallest hot water pump power and the largest cold water pump power, and the middle water outlet temperature when the hot water pump power and the cold water pump power are all 50 percent, are selected, 1500ml of water is taken as an example at the moment, the target water outlet temperature is set to be 45 ℃, 58 ℃ and 70 ℃, and referring to figure 7, it is easy to know that when the water purifier works for one minute with the water outlet flow under the three working conditions, the water outlet is larger than the target water outlet, the reason for the situation is probably that the target water outlet set during the working of the water purifier is larger, if the target water outlet is reduced, the water outlet during the working of the water purifier under the three working conditions for one minute is correspondingly reduced, the target water outlet is reduced to 1400ml, and other parameters are unchanged, and measuring the actual water outlet flow of the water purifier under three working conditions again.
For example, referring to fig. 8, when the water purifier works at the water outlet flow rate of fig. 8 for one minute, the deviation between the water outlet flow rate and 1500ml is 40ml at maximum, the error of 1500ml is smaller, the target water outlet amount is reduced by 100ml, that is, the result of correcting the target water outlet amount is converted by a time parameter, and when the water purifier works at the water outlet flow rate of one minute, the water outlet flow rate is equal to the water outlet amount, so that the following formula is shown:
S total (S) ＝(S Cold water +S Heat of the body )*K
Wherein S is Total (S) For the target water outlet flow, S Cold water Is the cold water flow of a cold water pump, S Heat of the body The flow rate of hot water is the first correction coefficient. The target water yield, namely the target water yield, is corrected, the first working power of the hot water pump and the second working power of the cold water pump are calculated based on the corrected target water yield, and the working of the water purifier is controlled based on the first working power and the second working power, so that errors are further reduced, and quantitative water taking is realized.
As another alternative embodiment, the first correction coefficient K may be a fixed value, or may be determined according to a target water output, where when different target water outputs are selected, the actual water output and the target water output differ, so that the target water output may be corrected for different target water outputs according to a correction coefficient for one.
See the actual water yield obtained at a target water yield of 1500ml shown in fig. 7, and the actual water yield obtained at a target water yield of 1400ml shown in fig. 8; the correction coefficients corresponding to different target water volumes are different, and the larger the target water yield is, the larger the deviation is, and the larger the correction coefficient is. The correction coefficient can be dynamically adjusted based on the set target water yield so that the actual water yield is closer to the target water yield.
As another alternative embodiment, the correction of the target water output may also be performed according to the actual operating states of the first flow control device and the second flow control device, and, for example, after determining the first operating power of the first flow control device and the second operating power of the second flow control device, the second correction coefficient may be determined based on the first operating power and the second operating power, that is, the actual operating powers of the hot water pump and the cold water pump are different when they are actually operating, and the difference between the actual water output and the set target water output is different due to the existence of the back pressure of the mutual influence under the cooperation of the different operating powers, so that the correction coefficient may be dynamically adjusted by using the actual operating powers of the first flow control device and the second flow control device.
As an alternative embodiment, a second correction factor is positively correlated with the first operating power and the second operating power. The larger the first working power and the second working power are, the larger the water outlet rate is, and the larger the difference between the actual water outlet amount and the target water outlet amount is, so that the target flow rate is dynamically corrected by utilizing the actual working states of the first flow control device and the second flow control device, and the target flow rate can be corrected in a targeted manner according to the actual working states, so that the actual water outlet amount is closer to the target water outlet amount.
And correcting the target water yield by using the second correction coefficient, wherein the second correction coefficient is positively correlated with the first working power and the second working power. The larger the first and second operating powers, the larger the water output rate, the larger the difference between the actual water output and the target water output, see the actual water output obtained with the target water output of 1500ml shown in fig. 7, and the actual water output obtained with the target water output of 1400ml shown in fig. 8, the larger the water output of the proportional adjustment unit, the larger the first and second operating powers, and therefore, the target water output can be corrected with a larger second correction parameter. The target flow is dynamically corrected by utilizing the actual working states of the first flow control device and the second flow control device, and the target flow can be corrected in a targeted manner according to the actual working states, so that the actual water yield is closer to the target water yield.
As another alternative embodiment, when the first flow control device and the second flow control device are operated simultaneously, when the total flow is greater than a preset value, i.e. the target water amount is greater than a preset value, for example, greater than 1500ml, the back pressure of the flow control device with large water flow to the control device with small water flow is more obvious, and the larger the difference between the first actual working power and the second actual working power is, the larger the difference between the two flows is, so that the higher the back pressure is, the water outlet of the flow control device with small flow is slowed down, the actual water outlet is reduced, and the difference between the actual water outlet and the target water outlet is reduced. Referring specifically to fig. 7, when the target temperature is 45 ℃, the cold water flow is greater than the hot water flow, when the target temperature is 58 ℃, the cold water flow and the hot water flow are not greatly different, and when the target temperature is 70 ℃, the hot water flow is greater than the cold water flow. Therefore, the smaller the difference between the first actual operating power and the second actual operating power, the larger the difference between the actual water yield and the target water yield, and thus, the larger the correction parameter is required. The correction parameter is inversely related to the difference between the first actual operating power and the second actual operating power.
For example, the first actual operating power and the second actual operating power may be an actual duty cycle of the first flow control device and an actual duty cycle of the second flow control device, and when determining the correction parameter, the correction parameter may be determined based on the magnitudes of the duty cycles of the two.
As an exemplary embodiment, the determining the first operating power of the first flow control device based on the target outlet water temperature includes: acquiring an initial water temperature in the proportion adjusting unit; calculating a first temperature difference between a target outlet water temperature and the initial water temperature; the first operating power is determined based on the first temperature difference. In this embodiment, the initial water temperature and the target water outlet temperature in the proportional adjustment unit are obtained, and the first temperature difference between the initial water temperature and the target water outlet temperature in the proportional adjustment unit is calculated, and the first temperature difference is used as an input value by PID adjustment, so as to obtain the first working power of the hot water pump, specifically, the initial water in the proportional adjustment unit is formed by the intersection of the hot water flowing out of the hot water pump and the cold water flowing out of the cold water pump, the water amounts of the hot water and the cold water can influence the initial water temperature in the proportional adjustment unit, the more the hot water is, the higher the initial water temperature is, and the hot water amount is positively correlated with the first working power of the hot water pump, therefore, the initial water temperature in the proportion adjusting unit is related to the first working power, the first working power of the hot water pump can be determined based on the first temperature difference between the initial water temperature and the target water temperature by utilizing the PID, the water flow of the hot water pump can be calculated by utilizing the first working power, the water flow of the cold water pump can be calculated based on the target water flow meter, the second working power of the cold water pump can be determined by the water flow of the cold water pump, the target water flow can be corrected based on the first working power and the second working power, the corrected target water flow is obtained, the water purifier is controlled to work, and the water purifier can be guaranteed to realize constant-temperature quantitative water outlet.
As an exemplary embodiment, the controlling the first flow control device to operate at a first operating power, and the controlling the second flow control device to operate at the second operating power, after that, includes: acquiring the actual water outlet temperature; calculating a second temperature difference between the target outlet water temperature and the actual outlet water temperature; adjusting the first operating power based on the second temperature difference; and adjusting the second working power based on the adjusted first working power and the target water yield until the actual water outlet temperature reaches the target temperature, wherein the water flow in the proportional adjusting device corresponding to the first working power and the second working power and the target water yield meets the preset relation. In this embodiment, the actual water outlet temperature may be higher or lower than the target water outlet temperature, at this time, a second temperature difference between the actual water outlet temperature and the target water outlet temperature is calculated, when the actual water outlet temperature is higher than the target water outlet temperature, the first working power is reduced, the hot water quantity is reduced, when the actual water outlet temperature is lower than the target water outlet temperature, the first working power is increased, the hot water quantity is increased, after the first working power is adjusted, the second working power is adjusted based on the adjusted first working power and the target water removal amount until the actual water outlet temperature meets the target water outlet temperature, after the first working power and the second working power are adjusted, the target water outlet amount is adjusted based on the adjusted first working power and the adjusted second working power, so that the water flow in the proportional adjustment device corresponding to the first working power and the second working power and the target water outlet amount meets a preset relationship, and the constant-temperature quantitative water outlet of the water purifier is ensured.
From the description of the above embodiments, it will be clear to a person skilled in the art that the method according to the above embodiments may be implemented by means of software plus the necessary general hardware platform, but of course also by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present application may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (such as ROM (Read-Only Memory)/RAM (Random Access Memory ), magnetic disk, optical disc), including instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method described in the embodiments of the present application.
According to still another aspect of the embodiments of the present application, there is further provided an electronic device for implementing the water outlet control method of a water purifier, where the electronic device may be a server, a terminal, or a combination thereof.
Fig. 9 is a block diagram of an alternative electronic device, according to an embodiment of the present application, including a processor 502, a communication interface 504, a memory 506, and a communication bus 508, as shown in fig. 9, wherein the processor 502, the communication interface 504, and the memory 506 communicate with each other via the communication bus 508, wherein,
A memory 506 for storing a computer program;
the processor 502 is configured to execute the computer program stored in the memory 506, and implement the following steps:
obtaining a target water outlet temperature and a target water outlet quantity;
determining a first operating power of the first flow control device based on the target outlet water temperature;
determining a second operating power of the second flow control device based on the target water yield and the first operating power;
the first flow control device is controlled to operate at a first operating power and the second flow control device is controlled to operate at the second operating power.
Alternatively, in the present embodiment, the above-described communication bus may be a PCI (Peripheral Component Interconnect, peripheral component interconnect standard) bus, or an EISA (Extended Industry Standard Architecture ) bus, or the like. The communication bus may be classified as an address bus, a data bus, a control bus, or the like. For ease of illustration, only one thick line is shown in fig. 9, but not only one bus or one type of bus.
The communication interface is used for communication between the electronic device and other devices.
The memory may include RAM or may include non-volatile memory (non-volatile memory), such as at least one disk memory. Optionally, the memory may also be at least one memory device located remotely from the aforementioned processor.
As an example, as shown in fig. 9, the memory 502 may include, but is not limited to, a module unit in the water purifier, which is not described in detail in this example.
The processor may be a general purpose processor and may include, but is not limited to: CPU (Central Processing Unit ), NP (Network Processor, network processor), etc.; but also DSP (Digital Signal Processing, digital signal processor), ASIC (Application Specific Integrated Circuit ), FPGA (Field-Programmable Gate Array, field programmable gate array) or other programmable logic device, discrete gate or transistor logic device, discrete hardware components.
Alternatively, specific examples in this embodiment may refer to examples described in the foregoing embodiments, and this embodiment is not described herein.
It will be understood by those skilled in the art that the structure shown in fig. 9 is only schematic, and the device implementing the water outlet control method of the water purifier may be a terminal device, and the terminal device may be a smart phone (such as an Android mobile phone, an iOS mobile phone, etc.), a tablet computer, a palm computer, a mobile internet device (Mobile Internet Devices, MID), a PAD, etc. Fig. 9 is not limited to the structure of the electronic device. For example, the terminal device may also include more or fewer components (e.g., network interfaces, display devices, etc.) than shown in fig. 9, or have a different configuration than shown in fig. 9.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of the above embodiments may be implemented by a program for instructing a terminal device to execute in association with hardware, the program may be stored in a computer readable storage medium, and the storage medium may include: flash disk, ROM, RAM, magnetic or optical disk, etc.
According to yet another aspect of embodiments of the present application, there is also provided a storage medium. Alternatively, in the present embodiment, the above-described storage medium may be used for executing the program code of the water purifier water outlet control method.
Alternatively, in this embodiment, the storage medium may be located on at least one network device of the plurality of network devices in the network shown in the above embodiment.
Alternatively, in the present embodiment, the storage medium is configured to store program code for performing the steps of:
obtaining a target water outlet temperature and a target water outlet quantity;
determining a first operating power of the first flow control device based on the target outlet water temperature;
determining a second operating power of the second flow control device based on the target water yield and the first operating power;
the first flow control device is controlled to operate at a first operating power and the second flow control device is controlled to operate at the second operating power.
Alternatively, specific examples in the present embodiment may refer to examples described in the above embodiments, which are not described in detail in the present embodiment.
Alternatively, in the present embodiment, the storage medium may include, but is not limited to: various media capable of storing program codes, such as a U disk, ROM, RAM, a mobile hard disk, a magnetic disk or an optical disk.
The foregoing embodiment numbers of the present application are merely for describing, and do not represent advantages or disadvantages of the embodiments.
The integrated units in the above embodiments may be stored in the above-described computer-readable storage medium if implemented in the form of software functional units and sold or used as separate products. Based on such understanding, the technical solution of the present application may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, including several instructions to cause one or more computer devices (which may be personal computers, servers or network devices, etc.) to perform all or part of the steps of the methods described in the various embodiments of the present application.
In the foregoing embodiments of the present application, the descriptions of the embodiments are emphasized, and for a portion of this disclosure that is not described in detail in this embodiment, reference is made to the related descriptions of other embodiments.
In several embodiments provided in the present application, it should be understood that the disclosed client may be implemented in other manners. The above-described embodiments of the apparatus are merely exemplary, and the division of the units, such as the division of the units, is merely a logical function division, and may be implemented in another manner, for example, multiple units or components may be combined or may be integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be through some interfaces, units or modules, or may be in electrical or other forms.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution provided in the present embodiment.
Thus far, the technical solution of the present application has been described in connection with the foregoing embodiments, but it is easily understood by those skilled in the art that the protective scope of the present application is not limited to only these specific embodiments. The technical solutions in the above embodiments may be split and combined by those skilled in the art without departing from the technical principles of the present application, and equivalent changes or substitutions may be made to related technical features, so any changes, equivalent substitutions, improvements, etc. made within the technical concepts and/or technical principles of the present application will fall within the protection scope of the present application.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for system embodiments, since they are substantially similar to method embodiments, the description is relatively simple, as relevant to see a section of the description of method embodiments.
The foregoing is merely exemplary of the present invention and is not intended to limit the present invention. Various modifications and variations of the present invention will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are to be included in the scope of the claims of the present invention.

Claims (10)

1. The utility model provides a purifier play water control method which characterized in that, purifier includes first flow control device, second flow control device and proportion adjustment device, wherein, first flow control device is used for controlling the flow of first initial temperature water, second flow control device is used for controlling the flow of second initial temperature water, proportion adjustment device sets up in first flow control device, second flow control device's delivery port department for meet the play water of first flow control device and second flow control device, play water control method includes:
Obtaining a target water outlet temperature and a target water outlet quantity;
determining a first operating power of the first flow control device based on the target outlet water temperature;
determining a second operating power of the second flow control device based on the target water yield and the first operating power;
controlling the first flow control device to operate at a first operating power and controlling the second flow control device to operate at the second operating power;
when the first flow control device and the second flow control device work simultaneously, the water flow in the proportion adjusting device and the first working power and the second working power meet the preset relation, and the preset relation is determined based on the working power ranges of the first flow control device and the second flow control device and the maximum actual flow.
2. The water outlet control method of the water purifier as claimed in claim 1, wherein,
when the first flow control device and the second flow control device are operated simultaneously,
the maximum actual flow rate of the first flow control device is determined based on the flow rate of the second flow control device;
and/or
The maximum actual flow of the second flow control device is determined based on the flow of the first flow control device.
3. The water outlet control method of a water purifier as set forth in claim 2, wherein a maximum actual flow rate of the first flow rate control means is inversely related to a real-time flow rate of the second flow rate control means;
and/or
The maximum actual flow of the second flow control device is inversely related to the real-time flow of the first flow control device.
4. The water outlet control method of a water purifier as set forth in claim 1, wherein the determining the second operating power of the second flow control device based on the target water outlet amount and the first operating power includes: correcting the target water yield to obtain corrected target water yield;
and determining the second working power of the second flow control device according to the corrected target water yield and the first working power.
5. The water outlet control method of a water purifier as set forth in claim 4, wherein the correcting the target water outlet amount includes:
and acquiring the actual water yield of the first flow control device working with the first working power, determining a first correction coefficient according to the target water yield and the actual water yield, and correcting the target water yield by using the first correction coefficient.
6. The water outlet control method of a water purifier as set forth in claim 4, wherein the correcting the target water outlet amount includes:
determining a second correction factor based on the first operating power and the second operating power;
and correcting the target water yield by using the second correction coefficient.
7. The water purifier outlet control method of claim 1, wherein the determining the first operating power of the first flow control device based on the target outlet water temperature comprises:
acquiring an initial water temperature in the proportion adjusting unit;
calculating a first temperature difference between a target outlet water temperature and the initial water temperature;
the first operating power is determined based on the first temperature difference.
8. The water outlet control method of a water purifier as set forth in claim 1, wherein the controlling the first flow control device to operate at a first operating power and the controlling the second flow control device to operate at the second operating power includes:
acquiring the actual water outlet temperature;
calculating a second temperature difference between the target outlet water temperature and the actual outlet water temperature;
adjusting the first operating power based on the second temperature difference;
And adjusting the second working power based on the adjusted first working power and the target water yield until the actual water outlet temperature reaches the target temperature, wherein the water flow in the proportional adjusting device corresponding to the first working power and the second working power and the target water yield meets the preset relation.
9. The water outlet control method of a water purifier as set forth in claim 1, wherein the method for controlling the water flow rate in the proportional adjustment device and the first and second operating powers satisfy a predetermined relationship comprises,
when the power of the first flow control device and the power of the second flow control device are in a preset interval, the actual water yield of the first flow control device is VA, the actual water yield of the second flow control device is VB, and the water flow V=VA+VB of the proportion adjusting device.
10. The water outlet control method of a water purifier as set forth in claim 9, wherein the preset interval includes a working power range P1 of the first flow control device and a working power range P2 of the second flow control device, and if the rated power of the first flow control device is greater than the rated power of the second flow control device, a is equal to or less than P1 < B, C is equal to or less than P2 and equal to or less than D, wherein a is the minimum starting power of the first flow control device, and B is the maximum working power of the first flow control device;
C is the minimum starting power of the second flow control device, and D is the maximum working power of the second flow control device.
CN202211222867.2A 2022-10-08 2022-10-08 Water purifier water outlet control method Pending CN116250723A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211222867.2A CN116250723A (en) 2022-10-08 2022-10-08 Water purifier water outlet control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211222867.2A CN116250723A (en) 2022-10-08 2022-10-08 Water purifier water outlet control method

Publications (1)

Publication Number Publication Date
CN116250723A true CN116250723A (en) 2023-06-13

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Family Applications (1)

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Country Status (1)

Country Link
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