WO2019006929A1

WO2019006929A1 - Water softener, and water hardness control device and method for water softener

Info

Publication number: WO2019006929A1
Application number: PCT/CN2017/108459
Authority: WO
Inventors: 何志锋; 周勇; 宋大满
Original assignee: 佛山市顺德区美的饮水机制造有限公司; 美的集团股份有限公司
Priority date: 2017-07-05
Filing date: 2017-10-31
Publication date: 2019-01-10

Abstract

A water hardness control device for a water softener, comprising: a soft water treatment unit (10), a water mixing unit (20), and a control unit (30). The soft water treatment unit (10) is provided with a water inlet and a water outlet, the water inlet of the soft water treatment unit (10) is connected to a raw water pipeline for providing raw water, and the soft water treatment unit (10) is used for performing softening treatment on the raw water flowing into the soft water treatment unit (10) to convey soft water to the water outlet of the soft water treatment unit (10); the water mixing unit (20) is provided in the soft water treatment unit (10), and the water mixing unit (20) is used for conveying the raw water to the water outlet of the soft water treatment unit (10) so as to enable the water outlet of the soft water treatment unit (10) to output mixed water which is mixed with the raw water and the soft water; the control unit (30) is connected to the water mixing unit (20), and the control unit (30) is used for controlling the raw water flow conveyed by the water mixing unit (20) so as to control the water hardness of the water outlet of the soft water treatment unit (10). Also provided is a water hardness control method for a water softener.

Description

Water quality hardness control device and method for water softener and water softener

Cross-reference to related applications

The present application is based on a Chinese patent application filed on Jan. 5, 2017, the disclosure of which is hereby incorporated by reference. reference.

Technical field

The invention relates to the technical field of electrical appliances, in particular to a water hardness control device for a water softener, a water softener, a water hardness control method for a water softener and a non-transitory computer readable storage medium.

Background technique

The water system of the associated water softener usually consists of core components such as soft water valve, resin tank, salt tank, salt well and salt valve. The water softener can soften the raw water and output soft water through the water system. However, the related problem of the related art is that the water outlet of the water softener is in the form of completely soft water, and the hardness of the water discharge cannot be adjusted, resulting in wasted soft water and increasing the use cost of the water softener.

Summary of the invention

The present invention aims to solve at least one of the technical problems in the related art to some extent. Therefore, the first object of the present invention is to provide a water quality hardness control device for a water softener, which can accurately adjust the water hardness of the water softener and save costs.

A second object of the present invention is to provide a water softener.

A third object of the present invention is to provide a water quality hardness control method for a water softener.

A fourth object of the present invention is to provide a non-transitory computer readable storage medium.

In order to achieve the above object, the first aspect of the present invention provides a water quality hardness control device for a water softener, comprising: a soft water treatment unit having a water inlet and a water outlet, and a water inlet of the soft water treatment unit And connected to a raw water pipeline for supplying raw water, wherein the soft water treatment unit is configured to soften the raw water flowing into the soft water treatment unit to deliver soft water to the water outlet of the soft water treatment unit; and disposed in the soft water treatment unit a water mixing unit for the soft The water outlet of the water treatment unit transports the raw water, so that the water outlet of the soft water treatment unit outputs the mixed water of the raw water and the soft water; and the control unit is connected to the water mixing unit. The control unit is configured to control the flow rate of the raw water delivered by the water mixing unit to control the water hardness of the water outlet of the soft water treatment unit.

According to the water quality hardness control device of the water softener according to the embodiment of the present invention, the raw water flowing into the soft water treatment unit is softened by the soft water treatment unit to deliver the soft water to the water outlet of the soft water treatment unit, and passes through the water mixing unit to the soft water treatment unit. The water outlet conveys the raw water so that the water outlet of the soft water treatment unit outputs the mixed water mixed with the raw water and the soft water, and the control unit controls the flow rate of the raw water conveyed by the mixing unit to control the water hardness of the water outlet of the soft water treatment unit. Therefore, the water softener of the embodiment of the invention can control the water hardness of the water outlet of the soft water treatment unit, has high control precision, realizes selection of water quality hardness of multiple gears, realizes precise water consumption, saves salt and water, and effectively saves softened water. Reduce the cost of using the water softener.

According to an embodiment of the present invention, the water quality hardness control device of the water softener further includes: a first flow rate detecting unit disposed at a water outlet of the water mixing unit, wherein the first flow rate detecting unit is configured to detect the a current water flow rate of the water outlet of the water mixing unit; a second flow rate detecting unit disposed at the water outlet of the soft water treatment unit, wherein the second flow rate detecting unit is configured to detect a current water flow rate of the water outlet of the soft water treatment unit The control unit is respectively connected to the first flow detecting unit and the second flow detecting unit, and the control unit is further configured to use the current raw water flow rate and the soft water according to the water outlet of the water mixing unit. The current mixed water flow rate of the water outlet of the processing unit calculates the current water hardness of the water outlet of the soft water treatment unit.

According to an embodiment of the present invention, the control unit is further configured to acquire a target water quality hardness, and adjust a raw water flow rate conveyed by the water mixing unit according to the target water quality hardness and the current water hardness, so that the soft water treatment The water hardness of the water outlet of the unit reaches the target water hardness.

According to an embodiment of the present invention, the control unit is further configured to: control the raw water flow delivered by the mixing unit when the current water hardness is greater than or equal to a sum of the target water hardness and a first predetermined threshold Decrease; when the current water hardness is less than or equal to the difference between the target water hardness and the second predetermined threshold, controlling the flow rate of the raw water delivered by the mixing unit to increase; when the current water hardness is greater than the target water hardness The raw water flow rate controlled by the mixing unit is kept unchanged when the difference between the second preset threshold and the target water quality hardness is less than the first preset threshold.

According to an embodiment of the present invention, the water quality hardness control device of the water softener further includes: a display unit, the display unit is connected to the control unit, and the display unit is used in the control list The current water hardness of the water outlet of the soft water treatment unit is displayed under the control of the element.

According to an embodiment of the present invention, the soft water treatment unit includes a soft water valve, the water mixing unit includes a water mixing valve, and the water mixing valve is disposed in the soft water valve.

In order to achieve the above object, an embodiment of the second aspect of the present invention provides a water softener comprising the water quality hardness control device of the water softener.

According to the water softener proposed by the embodiment of the invention, the water hardness control device can control the water hardness of the water outlet of the soft water treatment unit, the control precision is high, the water quality hardness selection of the multi-position water is realized, the precise water is realized, and the water saving province is saved. Water effectively saves softened water and reduces the cost of using water softeners.

In order to achieve the above object, a third convenient embodiment of the present invention provides a method for controlling the hardness of a water softener, which includes a soft water treatment unit and a water mixing unit, a water inlet of the soft water treatment unit and a raw water pipe providing raw water. Connected to the road, the water mixing unit is disposed in the soft water treatment unit, the method comprising the steps of: softening the raw water flowing into the soft water treatment unit by the soft water treatment unit to the soft water treatment unit The water outlet conveys the soft water; the raw water is conveyed to the water outlet of the soft water treatment unit through the water mixing unit, so that the water outlet of the soft water treatment unit outputs the mixed water of the raw water and the soft water; The raw water flow rate conveyed by the water mixing unit controls the water hardness of the water outlet of the soft water treatment unit.

According to the hardness control method of the water softener according to the embodiment of the present invention, the raw water flowing into the soft water treatment unit is softened by the soft water treatment unit to deliver the soft water to the water outlet of the soft water treatment unit, and is transported to the water outlet of the soft water treatment unit through the water mixing unit. The raw water is used to control the water flow rate of the water outlet of the soft water treatment unit to control the flow rate of the raw water conveyed by the water mixing unit so that the water outlet of the soft water treatment unit outputs the mixed water of the raw water and the soft water. Therefore, the embodiment of the invention can control the water hardness of the water outlet of the soft water treatment unit, has high control precision, realizes selection of water quality hardness of multiple gear positions, realizes accurate water consumption, saves salt and water, effectively saves softened water, and reduces soft water. The cost of using the machine.

According to an embodiment of the present invention, the water quality hardness control method of the water softener further includes: detecting a current water flow rate of the water outlet of the water mixing unit; detecting a current water flow rate of the water outlet of the soft water treatment unit; The current water flow rate of the water outlet of the soft water treatment unit is calculated from the current raw water flow rate of the water outlet of the water unit and the current mixed water flow rate of the water outlet of the soft water treatment unit.

According to an embodiment of the present invention, the water quality hardness control method of the water softener further includes displaying a current water hardness of the water outlet of the soft water treatment unit.

According to an embodiment of the present invention, the water quality hardness control method of the water softener further includes: obtaining a target water quality hardness; and adjusting an original of the water mixing unit according to the target water quality hardness and the current water hardness The water flow rate is such that the water hardness of the water outlet of the soft water treatment unit reaches the target water hardness.

According to an embodiment of the present invention, the adjusting the raw water flow rate of the water mixing unit according to the target water quality hardness and the current water hardness comprises: when the current water hardness is greater than or equal to the target water hardness and the first Controlling a decrease in the raw water flow rate of the water mixing unit when a predetermined threshold is equal; controlling the water mixing unit when the current water hardness is less than or equal to a difference between the target water hardness and a second predetermined threshold The raw water flow rate is increased; when the current water quality hardness is greater than the difference between the target water quality hardness and the second predetermined threshold value and less than the sum of the target water quality hardness and the first predetermined threshold value, the raw water flow rate of the water mixing unit is controlled. constant.

In order to achieve the above object, a fourth aspect of the present invention provides a non-transitory computer readable storage medium capable of executing the water softener of the third aspect of the present invention when an instruction in the storage medium is executed by the processor Water hardness control method.

According to the non-transitory computer readable storage medium proposed by the embodiment of the present invention, by performing the water quality hardness control method of the water softener, the water quality hardness of the water outlet of the soft water treatment unit can be controlled, the control precision is high, and the multi-position water quality is realized. The hardness is selected to achieve precise water use, while saving salt and water, effectively saving softened water and reducing the use cost of the water softener.

DRAWINGS

1 is a schematic structural view of a water quality hardness control device for a water softener according to an embodiment of the present invention;

2 is a schematic structural view of a water quality hardness control device of a water softener according to an embodiment of the present invention;

Figure 3 is a block schematic view of a water softener in accordance with an embodiment of the present invention;

4 is a flow chart of a method for controlling water quality hardness of a water softener according to an embodiment of the present invention;

5 is a flow chart of a method for controlling water quality hardness of a water softener according to an embodiment of the present invention;

6 is a flow chart of a method for controlling water quality hardness of a water softener according to another embodiment of the present invention.

Detailed ways

The embodiments of the present invention are described in detail below, and the examples of the embodiments are illustrated in the drawings, wherein the same or similar reference numerals are used to refer to the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the drawings are intended to be illustrative of the invention and are not to be construed as limiting.

The water quality hardness control device and the water softener of the water softener according to the embodiment of the present invention are described below with reference to the accompanying drawings. And the water quality hardness control method of the water softener.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a block diagram showing a water quality hardness control apparatus for a water softener according to an embodiment of the present invention.

As shown in FIG. 1, the water quality hardness control device of the water softener according to the embodiment of the present invention includes: a soft water treatment unit 10, a water mixing unit 20, and a control unit 30.

The soft water treatment unit 10 has a water inlet and a water outlet, and the water inlet of the soft water treatment unit 10 is connected to a raw water pipeline for supplying raw water, and the soft water treatment unit 10 is used for softening the raw water flowing into the soft water treatment unit 10 to treat the soft water. The water outlet of the unit 10 conveys soft water; the water mixing unit 20 is disposed in the soft water treatment unit 10, and the water mixing unit 20 is configured to supply raw water to the water outlet of the soft water treatment unit 10, so that the water outlet of the soft water treatment unit 10 outputs raw water and soft water. The mixed water is mixed; the control unit 30 is connected to the water mixing unit 20, and the control unit 30 is used to control the flow rate of the raw water delivered by the water mixing unit 20 to control the water hardness of the water outlet of the soft water treatment unit 10.

The control unit 30 may be a control board disposed in the soft water treatment unit 10.

In a specific example of the present invention, the soft water treatment unit 10 may have a raw water portion and a soft water portion that is isolated from the raw water portion, the water inlet of the soft water treatment unit 10 is located in the raw water portion, and the water outlet of the soft water treatment unit 10 is located in the soft water portion, soft water. The processing unit 10 can treat the raw water in the raw water portion as soft water and then output it to the soft water portion. The water inlet of the water mixing unit 20 may be disposed in the raw water portion of the soft water treatment unit 10, and the water outlet of the water mixing unit 20 may be disposed in the soft water portion of the soft water treatment unit 10, whereby the water mixing unit 20 may mix the raw water to the soft water. Alternatively, the water inlet of the water mixing unit 20 may be directly connected to the raw water pipeline for supplying the raw water, and the water outlet of the water mixing unit 20 may be directly connected to the water outlet of the soft water treatment unit 10 to deliver the raw water to the water outlet of the soft water treatment unit 10. .

That is, the water mixing unit 20 is disposed in the soft water treatment unit 10 to provide a raw water pipeline in the soft water treatment unit 10, and the control unit 30 controls the raw water flow rate conveyed by the water mixing unit 20 to the soft water treatment unit. The water hardness of the outlet of 10 is controlled.

Specifically, the water inlet of the soft water treatment unit 10 is connected to the raw water pipeline that supplies the raw water, and the soft water treatment unit 10 softens the raw water flowing into the soft water treatment unit 10 to the soft water of the soft water treatment unit 10, and the water mixing unit 20 Raw water is delivered to the water outlet of the soft water treatment unit 10, even if raw water The soft water is mixed with the water outlet of the soft water treatment unit 10, and the control unit 30 controls the flow rate of the raw water delivered by the water mixing unit 20 to control the water hardness of the water outlet of the soft water treatment unit 10.

Thereby, the raw water flow rate of the water mixing unit is controlled by the control unit, and the water hardness of the water outlet of the soft water treatment unit is controlled, so that the soft water treatment unit can output water of any hardness, thereby effectively saving the softened water and further saving the salt. Water saving.

According to an embodiment of the present invention, as shown in FIG. 2, the water quality hardness control device of the water softener further includes: a first flow rate detecting unit 21 and a second flow rate detecting unit 11.

The first flow rate detecting unit 21 is disposed at the water outlet of the water mixing unit 20, the first flow rate detecting unit 21 is configured to detect the current water flow rate of the water outlet of the water mixing unit 20, and the second flow rate detecting unit 11 is disposed in the soft water processing unit. The water outlet of the second flow detecting unit 11 is configured to detect the current water flow rate of the water outlet of the soft water treatment unit 11; the control unit 30 is connected to the first flow rate detecting unit 21 and the second flow rate detecting unit 11, respectively, and the control unit 30 further The current water hardness of the water outlet of the soft water treatment unit 10 is calculated based on the current raw water flow rate of the water outlet of the water mixing unit 20 and the current mixed water flow rate of the water outlet of the soft water treatment unit 10.

That is, the first flow rate detecting unit 21 detects the current water flow rate of the water outlet of the water mixing unit 20, that is, the current water flow rate of the raw water, and the second flow rate detecting unit 11 detects the current water flow rate of the water outlet of the soft water processing unit 10, that is, The current water flow of the mixed water. The control unit 30 is connected to the first flow rate detecting unit 21 and the second flow rate detecting unit 11 respectively to obtain the current water flow rate of the water outlet of the water mixing unit 20 and the current water flow rate of the water outlet of the soft water treatment unit 10, according to the water mixing unit 20 The current water flow rate of the water outlet (ie, the current water flow rate of the raw water detected by the first flow rate detecting unit 21) and the current water flow rate of the water outlet of the soft water treatment unit 10 (ie, the current water flow rate of the mixed water detected by the second detecting unit 11) The current water hardness of the water outlet of the soft water treatment unit 10 is calculated. Thereby, the water flow rate detected by the first flow rate detecting unit 21 and the second flow rate detecting unit 11 can calculate the mixing ratio of the raw water in real time, and further calculate the current water hardness of the water outlet of the soft water processing unit 10.

According to an embodiment of the present invention, the control unit 30 is further configured to acquire the target water hardness, and adjust the raw water flow delivered by the water mixing unit 20 according to the target water hardness and the current water hardness to make the soft water treatment The water hardness of the water outlet of the unit 10 reaches the target water hardness.

It should be noted that the water softener further includes a control panel, and the control panel has a UI (User Interface) interface, and the control unit 30 can obtain the target water hardness input by the user through the UI interface.

Therefore, the precise water can be used according to the target water hardness input by the user, and the multi-position water hardness can be selected, and the salt and water can be saved. In addition, according to an embodiment of the present invention, before the control unit 20 controls the flow rate of the raw water conveyed by the water mixing unit 20, the control unit 30 is further configured to acquire the water hardness value of the raw water in the current area, and according to the water hardness of the raw water. The raw water flow rate of the water mixing unit 20 is controlled by the target water hardness to control the water hardness of the water outlet of the soft water treatment unit 10.

According to an embodiment of the present invention, the control unit 30 is further configured to: when the current water hardness is greater than or equal to the sum of the target water quality hardness and the first preset threshold, control the raw water flow rate conveyed by the water mixing unit to decrease; when the current water hardness is less than Or equal to the difference between the target water hardness and the second preset threshold, the raw water flow rate controlled by the mixing unit is increased; when the current water hardness is greater than the difference between the target water hardness and the second predetermined threshold and less than the target water hardness and the first pre-pre When the sum of the thresholds is set, the raw water flow rate controlled by the mixing unit is kept unchanged.

It should be noted that the first preset threshold and the second preset threshold may be preset, and the two may be equal or not equal.

Specifically, when the control unit 30 controls the flow rate of the raw water delivered by the water mixing unit 20, the flow rates of the first flow rate detecting unit 21 and the second flow rate detecting unit 11 are obtained to determine the water hardness of the current mixed water, that is, the water outlet of the soft water unit 10. The water quality hardness, if the water hardness of the current mixed water is greater than or equal to the sum of the target water quality hardness and the first predetermined threshold, the control unit 30 controls the raw water flow rate delivered by the water mixing unit 20 to decrease, even if the first flow detecting unit 21 acquires The flow rate is reduced to reduce the water hardness of the current mixed water; if the water hardness of the current mixed water is less than or equal to the difference between the target water quality hardness and the second predetermined threshold, the control unit 30 controls the raw water flow rate of the mixed water unit 20 to be increased. Even if the flow rate obtained by the first flow detecting unit 21 is increased to improve the water hardness of the current mixed water; if the water hardness of the current mixed water is greater than the difference between the target water hardness and the second predetermined threshold and less than the target water hardness and the first preset The sum of the thresholds, the control unit 30 controls the flow rate of the raw water delivered by the water mixing unit 20 to remain unchanged, even if the first The flow rate acquired by the flow detecting unit 21 is constant to maintain the water hardness of the current mixed water.

Thereby, the water hardness can be accurately controlled while avoiding frequent adjustments.

According to an embodiment of the present invention, the water quality hardness control device of the water softener further includes a display unit connected to the control unit 30 for displaying the current water quality of the water outlet of the soft water treatment unit 10 under the control of the control unit 30. Hardness, which is the water hardness of the current mixed water.

Therefore, the water softener can accurately display the current hardness of the lake water, so that the user can use water with confidence. According to one embodiment of the invention, the soft water treatment unit 10 includes a soft water valve, the water mixing unit 20 includes a mixing valve, and the mixing valve is disposed within the soft water valve.

That is to say, the user can operate through the user interface of the water softener, input the target water hardness, the control unit 30 obtains the target water hardness input by the user, and generates an electrical signal according to the target water hardness to the water mixing unit 20 to the water mixing unit. The raw water flow rate of 20 is controlled, that is, the control unit 30 controls the motor of the water mixing valve to drive the valve core to rotate, so as to change the raw water flow rate of the water mixing unit 20, thereby changing the water hardness of the water outlet of the soft water treatment unit 10, thereby realizing the water hardness. A variety of options and the ability to automatically adjust the hardness of the water.

Among them, the mixing valve can be a high-precision mixing valve, and the motor of the mixing valve can achieve precise rotation adjustment.

For example, the user operates through the user interface of the water softener, inputs the target water hardness, and the control unit 30 acquires the target water hardness input by the user, and generates an electrical signal according to the target water hardness to be transmitted to the water mixing unit 20 to pass through the water mixing unit 20 . The water mixing valve controls the water flow rate of the raw water, and the control unit 30 acquires the current water flow rate of the water outlet of the water mixing unit 20 detected by the first flow rate detecting unit 21 and the water outlet of the soft water treatment unit 10 detected by the second flow rate detecting unit 11 The current water flow rate is calculated based on the current raw water flow rate of the water outlet of the water mixing unit 20 and the current mixed water flow rate of the water outlet of the soft water treatment unit 10 to calculate the current water hardness of the water outlet of the soft water treatment unit 10. When the current water hardness is greater than or equal to the sum of the target water hardness and the first predetermined threshold, the raw water flow rate controlled by the mixing water unit 20 is decreased, even if the current water flow detected by the first flow detecting unit 21 is decreased so that the current The hardness is reduced; when the current water hardness is less than or equal to the target water hardness and the second preset threshold is only poor, the water mixing unit 20 is controlled to be transported. The raw water flow rate is increased, even if the current water flow rate detected by the first flow detecting unit 21 is increased to increase the current water hardness; when the current water hardness is greater than the difference between the target water hardness and the second predetermined threshold and less than the target water hardness and the first pre-pre When the sum of the thresholds is set, the flow rate of the raw water delivered by the control water mixing unit 20 is kept constant so that the current water hardness remains unchanged.

In summary, according to the water quality hardness control device of the water softener according to the embodiment of the present invention, the raw water flowing into the soft water treatment unit is softened by the soft water treatment unit to deliver soft water to the water outlet of the soft water treatment unit, and is mixed. The water unit delivers raw water to the water outlet of the soft water treatment unit, so that the water outlet of the soft water treatment unit outputs mixed water mixed with the raw water and the soft water, and the control unit controls the flow rate of the raw water conveyed by the water mixing unit to output the soft water treatment unit. The water hardness of the nozzle is controlled. Therefore, the embodiment of the invention can control the water hardness of the water outlet of the soft water treatment unit, has high control precision, realizes selection of water quality hardness of multiple gear positions, realizes accurate water consumption, saves salt and water, effectively saves softened water, and reduces soft water. The cost of using the machine.

The embodiment of the invention also proposes a water softener.

3 is a block schematic view of a water softener in accordance with an embodiment of the present invention. As shown in Fig. 3, the water softener 200 includes the water quality hardness control device 100 of the water softener of the above embodiment.

According to the water softener proposed by the embodiment of the invention, the water hardness control device can control the water hardness of the water outlet of the soft water treatment unit, the control precision is high, the water quality hardness selection of the multi-position water is realized, the precise water is realized, and the water saving province is saved. Water, saving softened water and reducing the cost of using water softeners.

4 is a water quality hardness control method of a water softener according to an embodiment of the present invention. The water softener comprises a soft water treatment unit and a water mixing unit, and the water inlet of the soft water treatment unit is connected with the raw water pipeline for providing raw water, and the water mixing unit is disposed in the soft water treatment unit.

As shown in FIG. 4, the water quality hardness control method of the water softener according to the embodiment of the present invention includes the following steps:

S1: The raw water flowing into the soft water treatment unit is softened by the soft water treatment unit to deliver soft water to the water outlet of the soft water treatment unit.

S2: Raw water is sent to the water outlet of the soft water treatment unit through the water mixing unit, so that the water outlet of the soft water treatment unit outputs the mixed water mixed with the raw water and the soft water.

S3: Control the raw water flow delivered by the mixing unit to control the water hardness of the water outlet of the soft water treatment unit.

In a specific example of the present invention, as shown in FIG. 1, the soft water treatment unit may have a raw water portion and a soft water portion separated from the raw water portion, the water inlet of the soft water treatment unit is located in the raw water portion, and the water outlet of the soft water treatment unit is located in the soft water. In the soft water treatment unit, the raw water in the raw water portion can be treated as soft water and then output to the soft water portion. The water inlet of the water mixing unit may be disposed in the raw water portion of the soft water treatment unit, and the water outlet of the water mixing unit may be disposed in the soft water portion of the soft water treatment unit, whereby the water mixing unit may mix the raw water to the soft water. Alternatively, the water inlet of the water mixing unit may be directly connected to the raw water pipeline supplying the raw water, and the water outlet of the water mixing unit and the water outlet of the soft water treatment unit may be directly connected to deliver the raw water to the water outlet of the soft water treatment unit.

That is to say, the water mixing unit is disposed in the soft water treatment unit to set a raw water pipeline in the soft water treatment unit, and the raw water flow rate of the water mixing unit is controlled to control the water hardness of the water outlet of the soft water treatment unit. control.

Specifically, the water inlet of the soft water treatment unit is connected to the raw water pipeline that supplies the raw water, and the soft water treatment unit softens the raw water flowing into the soft water treatment unit to the soft water of the soft water treatment unit, and the water mixing unit is sent to the soft water treatment unit. The raw water is conveyed at the water outlet, and even if the raw water and the soft water are mixed at the water outlet of the soft water treatment unit, the flow rate of the raw water conveyed by the water mixing unit is controlled to control the water hardness of the water outlet of the soft water treatment unit.

Thereby, the raw water flow rate conveyed by the water mixing unit is controlled, and the water hardness of the water outlet of the soft water treatment unit is controlled, so that the soft water treatment unit can output water of any hardness, thereby achieving multi-position water hardness selection and achieving precision. Water, while saving water and water, effectively save softening water, thereby saving salt and water, reducing the cost of using water softeners.

According to an embodiment of the present invention, as shown in FIG. 5, the water quality hardness control method of the water softener further includes:

S101: Detect a current water flow rate of the water outlet of the water mixing unit.

S102: Detect a current water flow rate of the water outlet of the soft water treatment unit.

S103: according to the current raw water flow rate of the water outlet of the water mixing unit and the water outlet of the soft water treatment unit The current mixed water flow rate calculates the current water hardness of the water outlet of the soft water treatment unit.

It should be noted that the first flow detecting unit is disposed at the water outlet of the water mixing unit, the first flow detecting unit is configured to detect the current water flow of the water outlet of the water mixing unit, and the second flow detecting unit is disposed at the soft water processing unit. The nozzle, the second flow detecting unit is configured to detect the current water flow of the water outlet of the soft water treatment unit; calculate the outflow of the soft water treatment unit according to the current raw water flow rate of the water outlet of the water mixing unit and the current mixed water flow of the water outlet of the soft water treatment unit The current water hardness of the nozzle.

That is, the first flow detecting unit detects the current water flow of the water outlet of the water mixing unit, that is, the current water flow of the raw water, and the second flow detecting unit detects the current water flow of the water outlet of the soft water processing unit, that is, the current mixed water. Water flow. Obtaining the current water flow rate of the water outlet of the water mixing unit and the current water flow rate of the water outlet of the soft water treatment unit, according to the current water flow rate of the water outlet of the water mixing unit (ie, the current water flow of the raw water detected by the first flow detecting unit) and The current water flow rate of the water outlet of the soft water treatment unit (ie, the current water flow rate of the mixed water detected by the second detecting unit) calculates the current water hardness of the water outlet of the soft water treatment unit. Thereby, the water flow rate detected by the first flow rate detecting unit and the second flow rate detecting unit can calculate the mixing ratio of the raw water in real time, and then calculate the current water hardness of the water outlet of the soft water treatment unit.

According to an embodiment of the present invention, the water quality hardness control method of the water softener further includes displaying the current water hardness of the water outlet of the soft water treatment unit, that is, the water hardness of the current mixed water.

According to an embodiment of the present invention, as shown in FIG. 6, the water quality hardness control method of the water softener further includes:

S201: Obtain the target water hardness.

S202: Adjust a raw water flow rate of the water mixing unit according to the target water quality hardness and the current water hardness, so that the water hardness of the water outlet of the soft water treatment unit reaches the target water quality hardness.

Therefore, the precise water can be used according to the target water hardness input by the user, and the multi-position water hardness can be selected, and the salt and water can be saved.

In addition, according to an embodiment of the present invention, before the raw water flow rate conveyed by the water mixing unit is controlled, the water hardness value of the raw water in the current location is obtained, and the water mixing unit is transported according to the water quality hardness of the raw water and the target water hardness. The raw water flow is controlled to the water quality of the outlet of the soft water treatment unit Hardness is controlled.

According to an embodiment of the present invention, a water quality hardness control method for a water softener, wherein the raw water flow rate of the water mixing unit is adjusted according to the target water hardness and the current water hardness: when the current water hardness is greater than or equal to the target water hardness and the first preset When the sum of the thresholds is controlled, the raw water flow rate of the water mixing unit is controlled to decrease; when the current water hardness is less than or equal to the difference between the target water hardness and the second predetermined threshold, the raw water flow rate of the mixed water unit is controlled to be increased; when the current water hardness is greater than the target water quality When the difference between the hardness and the second predetermined threshold is less than the sum of the target water hardness and the first preset threshold, the raw water flow rate of the control water mixing unit remains unchanged.

Specifically, when controlling the flow rate of the raw water delivered by the water mixing unit, the flow rate of the first flow detecting unit and the second flow detecting unit is obtained to determine the water hardness of the current mixed water, that is, the water hardness of the water outlet of the soft water unit, if the current mixing When the water hardness of the water is greater than or equal to the sum of the target water hardness and the first predetermined threshold, the flow rate of the raw water conveyed by the mixing unit is controlled to decrease, even if the flow rate obtained by the first flow detecting unit is decreased to reduce the water hardness of the current mixed water. If the water hardness of the current mixed water is less than or equal to the difference between the target water hardness and the second predetermined threshold, the raw water flow rate controlled by the mixing unit is increased, even if the flow rate obtained by the first flow detecting unit is increased to increase the current mixed water Water hardness; if the water hardness of the current mixed water is greater than the difference between the target water hardness and the second predetermined threshold and less than the sum of the target water hardness and the first predetermined threshold, the raw water flow rate controlled by the mixing unit remains unchanged. Even if the flow rate acquired by the first flow detecting unit does not change to maintain the water hardness of the current mixed water.

In summary, according to the method for controlling the hardness of a water softener according to an embodiment of the present invention, the raw water flowing into the soft water treatment unit is softened by the soft water treatment unit to deliver soft water to the outlet of the soft water treatment unit, and is processed to the soft water through the water mixing unit. The water outlet of the unit conveys the raw water so that the water outlet of the soft water treatment unit outputs the mixed water mixed with the raw water and the soft water, and controls the flow rate of the raw water conveyed by the mixing unit to control the water hardness of the water outlet of the soft water treatment unit. Therefore, the embodiment of the invention can control the water hardness of the water outlet of the soft water treatment unit, has high control precision, and effectively saves soft water.

To achieve the above embodiments, the present invention also provides a non-transitory computer readable storage medium that implements the above-described method of controlling the hardness of a water softener when the program of instructions in the storage medium is executed by the processor.

Therefore, by performing the water quality hardness control method of the water softener, the water hardness of the water outlet of the soft water treatment unit can be controlled, the control precision is high, and the water quality hardness selection of the multiple gears can be realized, and the precise water can be realized, and the salt and water can be saved. Effectively save softened water and reduce the cost of using water softeners.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " After, "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise", "Axial", The orientation or positional relationship of the "radial", "circumferential" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and the simplified description, and does not indicate or imply the indicated device or component. It must be constructed and operated in a particular orientation, and is not to be construed as limiting the invention.

Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include at least one of the features, either explicitly or implicitly. In the description of the present invention, the meaning of "a plurality" is at least two, such as two, three, etc., unless specifically defined otherwise.

In the present invention, the terms "installation", "connected", "connected", "fixed" and the like shall be understood broadly, and may be either a fixed connection or a detachable connection, unless explicitly stated and defined otherwise. , or integrated; can be mechanical or electrical connection; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction of two elements, unless otherwise specified Limited. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.

In the present invention, the first feature "on" or "under" the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact. Moreover, the first feature "above", "above" and "above" the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature. First A feature "below", "below" and "below" the second feature may be that the first feature is directly below or below the second feature, or merely that the first feature is less than the second feature.

In the description of the present specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" and the like means a specific feature described in connection with the embodiment or example. A structure, material or feature is included in at least one embodiment or example of the invention. In the present specification, the schematic representation of the above terms is not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, various embodiments or examples described in the specification and features of various embodiments or examples may be combined and combined without departing from the scope of the invention.

Although the embodiments of the present invention have been shown and described, it is understood that the above-described embodiments are illustrative and are not to be construed as limiting the scope of the invention. The embodiments are subject to variations, modifications, substitutions and variations.

Claims

A water quality hardness control device for a water softener, comprising:

a soft water treatment unit having a water inlet and a water outlet, wherein the water inlet of the soft water treatment unit is connected to a raw water pipeline for supplying raw water, and the soft water treatment unit is configured to perform raw water flowing into the soft water treatment unit Softening treatment to deliver soft water to the water outlet of the soft water treatment unit;

a water mixing unit disposed in the soft water treatment unit, the water mixing unit configured to deliver the raw water to a water outlet of the soft water treatment unit, so that the water outlet of the soft water treatment unit outputs the raw water and the water a mixed water in which soft water is mixed;

a control unit, the control unit is connected to the water mixing unit, and the control unit is configured to control a raw water flow rate conveyed by the water mixing unit to control water hardness of the water outlet of the soft water treatment unit.
The water quality hardness control device for a water softener according to claim 1, further comprising:

a first flow rate detecting unit disposed at a water outlet of the water mixing unit, wherein the first flow rate detecting unit is configured to detect a current water flow rate of the water outlet of the water mixing unit;

a second flow rate detecting unit disposed at a water outlet of the soft water treatment unit, wherein the second flow rate detecting unit is configured to detect a current water flow rate of the water outlet of the soft water treatment unit;

The control unit is respectively connected to the first flow detecting unit and the second flow detecting unit, and the control unit is further configured to process the current raw water flow according to the water outlet of the mixing unit and the soft water treatment. The current mixed water flow rate of the water outlet of the unit calculates the current water hardness of the water outlet of the soft water treatment unit.
The water quality hardness control device for a water softener according to claim 2, wherein the control unit is further configured to acquire a target water quality hardness, and adjust the water mixing unit according to the target water quality hardness and the current water hardness. The raw water flow rate is such that the water hardness of the water outlet of the soft water treatment unit reaches the target water hardness.
The water quality hardness control device for a water softener according to claim 5, wherein the control unit is further configured to:

When the current water hardness is greater than or equal to the sum of the target water quality hardness and the first predetermined threshold, controlling the flow rate of the raw water delivered by the mixing unit to decrease;

When the current water hardness is less than or equal to the difference between the target water quality hardness and the second predetermined threshold, controlling the flow rate of the raw water delivered by the mixing unit to increase;

When the current water hardness is greater than a difference between the target water hardness and a second predetermined threshold and less than a sum of the target water hardness and a first predetermined threshold, controlling the raw water flow delivered by the mixing unit remains unchanged .
The water quality hardness control device for a water softener according to claim 2, further comprising:

a display unit, the display unit being connected to the control unit, the display unit configured to display a current water hardness of the water outlet of the soft water treatment unit under the control of the control unit.
The water quality hardness control device for a water softener according to claim 1, wherein the soft water treatment unit comprises a soft water valve, the water mixing unit comprises a water mixing valve, and the water mixing valve is disposed in the soft water valve. .
A water softener characterized by comprising a water quality hardness control device for a water softener according to any one of claims 1-6.
A water softness control method for a water softener, characterized in that the water softener comprises a soft water treatment unit and a water mixing unit, and the water inlet of the soft water treatment unit is connected to a raw water pipeline for supplying raw water, and the water mixing unit is arranged In the soft water treatment unit, the method includes the following steps:

The raw water flowing into the soft water treatment unit is softened by the soft water treatment unit to deliver soft water to the water outlet of the soft water treatment unit;

The raw water is sent to the water outlet of the soft water treatment unit through the water mixing unit, so that the water outlet of the soft water treatment unit outputs the mixed water of the raw water and the soft water;

Controlling the flow rate of the raw water delivered by the mixing unit to the water at the outlet of the soft water treatment unit The hardness is controlled.
The water quality hardness control method for a water softener according to claim 8, further comprising:

Detecting a current water flow rate of the water outlet of the water mixing unit;

Detecting a current water flow rate of the water outlet of the soft water treatment unit;

Calculating the current water hardness of the water outlet of the soft water treatment unit according to the current raw water flow rate of the water outlet of the water mixing unit and the current mixed water flow rate of the water outlet of the soft water treatment unit.
The water quality hardness control method for a water softener according to claim 9, further comprising:

The current water hardness of the water outlet of the soft water treatment unit is displayed.
The water quality hardness control method for a water softener according to claim 9, further comprising:

Obtain the target water hardness;

And adjusting the raw water flow rate of the water mixing unit according to the target water quality hardness and the current water hardness, so that the water hardness of the water outlet of the soft water treatment unit reaches the target water quality hardness.
The water quality hardness control method of the water softener according to claim 11, wherein the adjusting the raw water flow rate of the water mixing unit according to the target water quality hardness and the current water hardness comprises:

When the current water hardness is greater than or equal to the sum of the target water quality hardness and the first predetermined threshold, controlling the raw water flow rate of the water mixing unit to decrease;

When the current water hardness is less than or equal to the difference between the target water quality hardness and the second predetermined threshold, controlling the raw water flow rate of the water mixing unit to increase;

When the current water hardness is greater than the difference between the target water hardness and the second predetermined threshold and less than the sum of the target water hardness and the first predetermined threshold, the raw water flow rate of the mixing unit is controlled to remain unchanged.
A non-transitory computer readable storage medium having stored thereon a computer program, characterized The water quality hardness control method of the water softener according to any one of claims 8 to 12, when the program is executed by the processor.