CN110594141A - The method of adjusting the output power of the variable frequency pump through the water storage level of the water purifier - Google Patents

Abstract

The invention relates to a method for adjusting the output power of a variable frequency pump through the water storage liquid level of a water purifier, which comprises the following steps: the water level sensor comprises a main control board, a water level sensing structure, a variable frequency pump and a water storage type filter element; the adjusting method comprises the following steps: the water level sensing structure detects the liquid level of the water storage space in the water storage type filter element, transmits signals to the main control board, and transmits control signals to the variable frequency pump after the main control board receives the signals so as to enable the variable frequency pump to work. The water purifier has the advantages that the output power of the variable frequency pump is adjusted according to the water level of the water storage space in the water storage type filter element, the water outlet efficiency of the water purifier is high, the water purifier cannot generate noise when the water purifier is used at night, and the use is convenient.

Description

The method of adjusting the output power of the variable frequency pump through the water storage level of the water purifier

technical field

The invention relates to a method for adjusting the output power of a frequency conversion pump through the water storage level of a water purifier.

Background technique

At present, the water purifier includes a fixed-frequency pump and a filter element group. External raw water enters the filter element group through the fixed-frequency pump, and the filter element group filters the raw water into purified water. When in use, the water output of the water purifier is constant. When the user needs a large amount of purified water, the water purifier must work for a relatively long time to meet the user's needs. The waiting time is long, and the fixed-frequency pump will generate noise when it is working. When the water purifier is used late at night, the water purifier will generate noise, which is inconvenient to use.

Contents of the invention

The purpose of the present invention is to overcome the deficiencies of the prior art and provide a method for adjusting the output power of the frequency conversion pump through the water storage level of the water purifier, which can adjust the output power of the frequency conversion pump according to the water level of the water storage space in the water storage type filter element , The water purifier has high water output efficiency. When the water purifier is used late at night, the water purifier will not produce noise and is easy to use.

In order to achieve the above object, the present invention is realized in the following way, which is a method for adjusting the output power of the frequency conversion pump through the water storage level of the water purifier, which is characterized in that it includes: a main control board, a water level sensing structure, a frequency conversion pump and a storage tank A water-type filter element; a first input end and an output end are provided on the main control board, and the water level sensing structure is installed in the water storage space of the water storage type filter element so as to detect the liquid level of the water storage space. The first input end of the control board is connected to the output end of the water level sensor structure to receive the signal of the water level sensor structure, and the output end of the main control board is connected to the input end of the frequency conversion pump to control the output power of the frequency conversion pump. The water inlet is connected to the raw water, and the water outlet of the frequency conversion pump is connected to the water inlet of the water storage type filter element; the height of the water storage space in the water storage type filter element is h, and the height of the water storage high liquid level a is set in the water storage type filter element The range is 0.7 h -0.85 h, the height range of the low water storage level b set in the water storage type filter element is 0.3 h -0.4 h, the rated output power of the variable frequency pump is f1, and the first variable frequency output power of the variable frequency pump is f2, f2=f1×x, 1<x≤1.5;

The adjustment method is: when the water level sensing structure detects that the liquid level of the water storage space in the water storage type filter element reaches the high liquid level a, the water level sensing structure transmits a signal to the main control board, and the main control board transmits the control signal after receiving the signal Give the frequency conversion pump to stop the frequency conversion pump; when the water level sensor structure detects that the liquid level in the water storage space in the water storage type filter element is less than the high liquid level a and greater than the low liquid level b, the water level sensing structure transmits a signal to the main control board, and the main control board After the control board receives the signal, it transmits the control signal to the variable frequency pump to make the variable frequency pump work. At this time, the output power of the variable frequency pump is f1; The water level sensing structure transmits signals to the main control board. After receiving the signals, the main control board transmits control signals to the frequency conversion pump to make the frequency conversion pump work. At this time, the output power of the frequency conversion pump is f2 until the liquid in the water storage space of the water storage filter element level is equal to the high liquid level a, when the liquid level of the water storage space in the water storage type filter element is equal to the high liquid level a, the water level sensing structure transmits a signal to the main control board, and the main control board transmits the control signal to the variable frequency pump after receiving the signal Make the variable frequency pump stop working.

In this technical solution, the method for adjusting the output power of the frequency conversion pump through the water storage level of the water purifier is characterized in that it also includes a silent water control module, and a second input terminal is provided on the main control board. The output end of the water module is connected to the second input end of the main control board, and the second frequency conversion power of the frequency conversion pump is f3, f3=f1×y, 0.5≤y<1;

The control method is as follows: when the user activates the silent water production module, and the water level sensing structure detects that the liquid level in the water storage space of the water storage filter element is lower than the high liquid level a, the water level sensing structure transmits a signal to the main control board, and the main control board After receiving the signal, the control board transmits the control signal to the variable frequency pump. At this time, the output power of the variable frequency pump becomes f3 until the water level sensing structure detects that the liquid level of the water storage space in the water storage type filter element is equal to the high liquid level a. When the water storage After the liquid level of the water storage space in the type filter element is equal to the high liquid level a, the water level sensing structure transmits a signal to the main control board, and the main control board transmits a control signal to the frequency conversion pump after receiving the signal, and the frequency conversion pump stops working at this time.

In this technical solution, the method of adjusting the output power of the frequency conversion pump through the water storage level of the water purifier is characterized in that the IC model of the main control board is STM32F051K8T6, the model of the water level sensing structure is CK2314, and the The model of variable frequency pump is MQ-400-BLDC.

Compared with the prior art, the present invention has the following advantages: the output power of the variable frequency pump is adjusted according to the water level of the water storage space in the water storage filter element, and the water output efficiency of the water purifier is high. When the water purifier is used late at night, the water purifier will not Produces noise and is easy to use.

Description of drawings

Fig. 1 is a block diagram of circuit principle of the present invention;

Fig. 2 is a waterway principle block diagram of the present invention;

Fig. 3 is a schematic structural view of the water storage space in the water storage filter element.

Detailed ways

The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.

In the description of the present invention, the orientations or positional relationships indicated by the terms "upper" and "lower" are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and do not require the present invention to be based on a specific orientation. construction and operation, therefore, should not be construed as limiting the invention.

In the description of the present invention, the terms "first" to "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

Embodiment one

As shown in Figures 1 to 3, it is a method for adjusting the output power of the frequency conversion pump through the water storage level of the water purifier, which is characterized in that it includes: a main control board 1, a water level sensing structure 2, a frequency conversion pump 3 and a storage tank Water-type filter element 4; a first input end and an output end are provided on the main control board 1, and the water level sensing structure 2 is installed in the water storage space of the water storage type filter element 4 so as to detect the liquid level of the water storage space , the first input end of the main control board 1 is connected to the output end of the water level sensor structure 2 to receive the signal of the water level sensor structure 2, and the output end of the main control board 1 is connected to the input end of the frequency conversion pump 3 to control the frequency conversion pump The output power of 3, the water inlet of the frequency conversion pump 3 is connected with the raw water, the water outlet of the frequency conversion pump 3 is connected with the water inlet of the water storage type filter element 4; the height of the water storage space in the water storage type filter element 4 is h, in the storage The height range of the high water storage level a set in the water type filter element 4 is 0.7h, the height range of the low water level b set in the water storage type filter element 2 is 0.3h, and the rated output power of the frequency conversion pump 3 is f1, the first variable frequency output power of variable frequency pump 3 is f2, f2=f1×x, x=1.1;

The adjustment method is: when the water level sensing structure 2 detects that the liquid level of the water storage space in the water storage type filter element 4 reaches the high liquid level a, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 receives the signal Then transmit the control signal to the variable frequency pump 3 to stop the variable frequency pump 3; when the water level sensor structure 2 detects that the liquid level of the water storage space in the water storage type filter element 4 is less than the high liquid level a and greater than the low liquid level b, the water level sensor Structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits a control signal to the frequency conversion pump 3 after receiving the signal to make the frequency conversion pump 3 work. At this time, the output power of the frequency conversion pump 3 is f1; when the water level sensor structure 2 detects the water storage When the liquid level of the water storage space in the type filter element 4 is lower than the low liquid level b, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 receives the signal and then transmits a control signal to the variable frequency pump 3 to make the variable frequency pump 3 work , the output power of the frequency conversion pump 3 is f2 at this time, until the liquid level of the water storage space in the water storage type filter element 4 is equal to the high liquid level a, when the liquid level of the water storage space in the water storage type filter element 4 is equal to the high liquid level a , the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits a control signal to the variable frequency pump 3 after receiving the signal to stop the variable frequency pump 3 from working.

In this embodiment, the method for adjusting the output power of the frequency conversion pump through the water storage level of the water purifier is characterized in that it also includes a silent water production module 5, and a second input terminal is provided on the main control board 1, and the The output end of the silent water production module 5 is connected to the second input end of the main control board 1, and the second frequency conversion power of the frequency conversion pump 3 is f3, f3=f1×y, y=0.5;

The control method is as follows: when the user activates the silent water production module 5, and the water level sensing structure 2 detects that the liquid level in the water storage space in the water storage filter element 4 is lower than the high liquid level a, the water level sensing structure 2 transmits a signal to the main The control board 1, the main control board 1 transmits the control signal to the frequency conversion pump 3 after receiving the signal, at this time the output power of the frequency conversion pump 3 becomes f3, until the water level sensing structure 2 detects the liquid in the water storage space of the water storage filter element 4 level is equal to the high liquid level a, when the liquid level of the water storage space in the water storage filter element 4 is equal to the high liquid level a, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits the control after receiving the signal The signal is given to the frequency conversion pump 3, and the frequency conversion pump 3 stops working at this time.

In this embodiment, the IC model of the main control board 1 is STM32F051K8T6, the model of the water level sensing structure 2 is CK2314, and the model of the variable frequency pump 3 is MQ-400-BLDC, and users can also choose other models according to their needs .

Embodiment two

As shown in Figures 1 to 3, it is a method for adjusting the output power of the frequency conversion pump through the water storage level of the water purifier, which is characterized in that it includes: a main control board 1, a water level sensing structure 2, a frequency conversion pump 3 and a storage tank A water-type filter element 4; a first input terminal and an output end are provided on the main control board 1, and the water level sensing structure 2 is installed in the water storage space of the water storage type filter element 4 so as to detect the liquid level of the water storage space , the first input end of the main control board 1 is connected to the output end of the water level sensor structure 2 to receive the signal of the water level sensor structure 2, and the output end of the main control board 1 is connected to the input end of the frequency conversion pump 3 to control the frequency conversion pump The output power of 3, the water inlet of the frequency conversion pump 3 is connected with the raw water, the water outlet of the frequency conversion pump 3 is connected with the water inlet of the water storage type filter element 4; the height of the water storage space in the water storage type filter element 4 is h, in the storage The height range of the high water storage level a set in the water type filter element 4 is 0.775h, the height range of the water storage low level b set in the water storage type filter element 2 is 0.35h, and the rated output power of the frequency conversion pump 3 is f1, the first variable frequency output power of variable frequency pump 3 is f2, f2=f1×x, x=1.25;

The adjustment method is: when the water level sensing structure 2 detects that the liquid level of the water storage space in the water storage type filter element 4 reaches the high liquid level a, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 receives the signal Then transmit the control signal to the variable frequency pump 3 to stop the variable frequency pump 3; when the water level sensor structure 2 detects that the liquid level of the water storage space in the water storage type filter element 4 is less than the high liquid level a and greater than the low liquid level b, the water level sensor Structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits a control signal to the frequency conversion pump 3 after receiving the signal to make the frequency conversion pump 3 work. At this time, the output power of the frequency conversion pump 3 is f1; when the water level sensor structure 2 detects the water storage When the liquid level of the water storage space in the type filter element 4 is lower than the low liquid level b, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 receives the signal and then transmits a control signal to the variable frequency pump 3 to make the variable frequency pump 3 work , the output power of the frequency conversion pump 3 is f2 at this time, until the liquid level of the water storage space in the water storage type filter element 4 is equal to the high liquid level a, when the liquid level of the water storage space in the water storage type filter element 4 is equal to the high liquid level a , the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits a control signal to the variable frequency pump 3 after receiving the signal to stop the variable frequency pump 3 from working.

In this embodiment, a silent water production module 5 is also included, and a second input terminal is provided on the main control board 1, and the output terminal of the silent water production module 5 is connected to the second input terminal of the main control board 1 , the second frequency conversion power of the frequency conversion pump 3 is f3, f3=f1×y, y=0.75;

The control method is as follows: when the user activates the silent water production module 5, and the water level sensing structure 2 detects that the liquid level in the water storage space in the water storage filter element 4 is lower than the high liquid level a, the water level sensing structure 2 transmits a signal to the main The control board 1, the main control board 1 transmits the control signal to the frequency conversion pump 3 after receiving the signal, at this time the output power of the frequency conversion pump 3 becomes f3, until the water level sensing structure 2 detects the liquid in the water storage space of the water storage filter element 4 level is equal to the high liquid level a, when the liquid level of the water storage space in the water storage filter element 4 is equal to the high liquid level a, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits the control after receiving the signal The signal is given to the frequency conversion pump 3, and the frequency conversion pump 3 stops working at this time.

In this embodiment, the IC model of the main control board 1 is STM32F051K8T6, the model of the water level sensing structure 2 is CK2314, and the model of the variable frequency pump 3 is MQ-400-BLDC, and users can also choose other models according to their needs .

Embodiment three

As shown in Figures 1 to 3, it is a method for adjusting the output power of the frequency conversion pump through the water storage level of the water purifier, which is characterized in that it includes: a main control board 1, a water level sensing structure 2, a frequency conversion pump 3 and a storage tank A water-type filter element 4; a first input terminal and an output end are provided on the main control board 1, and the water level sensing structure 2 is installed in the water storage space of the water storage type filter element 4 so as to detect the liquid level of the water storage space , the first input end of the main control board 1 is connected to the output end of the water level sensor structure 2 to receive the signal of the water level sensor structure 2, and the output end of the main control board 1 is connected to the input end of the frequency conversion pump 3 to control the frequency conversion pump The output power of 3, the water inlet of the frequency conversion pump 3 is connected with the raw water, the water outlet of the frequency conversion pump 3 is connected with the water inlet of the water storage type filter element 4; the height of the water storage space in the water storage type filter element 4 is h, in the storage The height range of the high water storage level a set in the water type filter element 4 is 0.85h, the height range of the water storage low level b set in the water storage type filter element 2 is 0.4h, and the rated output power of the frequency conversion pump 3 is f1, the first variable frequency output power of variable frequency pump 3 is f2, f2=f1×x, x=1.5;

The adjustment method is: when the water level sensing structure 2 detects that the liquid level of the water storage space in the water storage type filter element 4 reaches the high liquid level a, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 receives the signal Then transmit the control signal to the variable frequency pump 3 to stop the variable frequency pump 3; when the water level sensor structure 2 detects that the liquid level of the water storage space in the water storage type filter element 4 is less than the high liquid level a and greater than the low liquid level b, the water level sensor Structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits a control signal to the frequency conversion pump 3 after receiving the signal to make the frequency conversion pump 3 work. At this time, the output power of the frequency conversion pump 3 is f1; when the water level sensor structure 2 detects the water storage When the liquid level of the water storage space in the type filter element 4 is lower than the low liquid level b, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 receives the signal and then transmits a control signal to the variable frequency pump 3 to make the variable frequency pump 3 work , the output power of the frequency conversion pump 3 is f2 at this time, until the liquid level of the water storage space in the water storage type filter element 4 is equal to the high liquid level a, when the liquid level of the water storage space in the water storage type filter element 4 is equal to the high liquid level a , the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits a control signal to the variable frequency pump 3 after receiving the signal to stop the variable frequency pump 3 from working.

In this embodiment, a silent water production module 5 is also included, and a second input terminal is provided on the main control board 1, and the output terminal of the silent water production module 5 is connected to the second input terminal of the main control board 1 , the second frequency conversion power of the frequency conversion pump 3 is f3, f3=f1×y, y=0.99;

The control method is as follows: when the user activates the silent water production module 5, and the water level sensing structure 2 detects that the liquid level in the water storage space in the water storage filter element 4 is lower than the high liquid level a, the water level sensing structure 2 transmits a signal to the main The control board 1, the main control board 1 transmits the control signal to the frequency conversion pump 3 after receiving the signal, at this time the output power of the frequency conversion pump 3 becomes f3, until the water level sensing structure 2 detects the liquid in the water storage space of the water storage filter element 4 level is equal to the high liquid level a, when the liquid level of the water storage space in the water storage filter element 4 is equal to the high liquid level a, the water level sensing structure 2 transmits a signal to the main control board 1, and the main control board 1 transmits the control after receiving the signal The signal is given to the frequency conversion pump 3, and the frequency conversion pump 3 stops working at this time.

In this embodiment, the IC model of the main control board 1 is STM32F051K8T6, the model of the water level sensing structure 2 is CK2314, and the model of the variable frequency pump 3 is MQ-400-BLDC, and users can also choose other models according to their needs .

The embodiments of the present invention have been described in detail above with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions and deformations to these implementations without departing from the principle and spirit of the present invention still fall within the protection scope of the present invention.

Claims (3)

1. A method for adjusting output power of a variable frequency pump through water storage liquid level of a water purifier is characterized by comprising the following steps: the water level sensor comprises a main control board (1), a water level sensing structure (2), a variable frequency pump (3) and a water storage type filter element (4); the water level sensor is characterized in that a first input end and an output end are arranged on the main control board (1), the water level sensing structure (2) is installed in a water storage space of the water storage type filter element (4) so as to detect the liquid level of the water storage space, the first input end of the main control board (1) is connected with the output end of the water level sensing structure (2) so as to receive a signal of the water level sensor structure (2), the output end of the main control board (1) is connected with the input end of the variable frequency pump (3) so as to control the output power of the variable frequency pump (3), a water inlet of the variable frequency pump (3) is communicated with raw water, and a water outlet of the variable frequency pump (3) is communicated with; the height of a water storage space in the water storage type filter element (4) is h, the height range of a set water storage high liquid level a in the water storage type filter element (4) is 0.7 h-0.85 h, the height range of a set water storage low liquid level b in the water storage type filter element (2) is 0.3 h-0.4 h, the rated output power of the variable frequency pump (3) is f1, the first variable frequency output power of the variable frequency pump (3) is f2, f2= f1 xx, and x is more than 1 and less than or equal to 1.5;

the adjusting method comprises the following steps: when the water level sensing structure (2) detects that the liquid level of a water storage space in the water storage type filter element (4) reaches a high liquid level a, the water level sensing structure (2) transmits a signal to the main control board (1), and the main control board (1) receives the signal and then transmits a control signal to the variable frequency pump (3) to stop the variable frequency pump (3); when the water level sensor structure (2) detects that the liquid level of a water storage space in the water storage type filter element (4) is smaller than a high liquid level a and larger than a low liquid level b, the water level sensor structure (2) transmits a signal to the main control board (1), the main control board (1) receives the signal and then transmits a control signal to the variable frequency pump (3) to enable the variable frequency pump (3) to work, and at the moment, the output power of the variable frequency pump (3) is f 1; when the water level sensor structure (2) detects that the liquid level of the water storage space in the water storage type filter element (4) is smaller than the low liquid level b, the water level sensor structure (2) transmits a signal to the main control board (1), the main control board (1) receives the signal and then transmits a control signal to the variable frequency pump (3) to enable the variable frequency pump (3) to work, the output power of the variable frequency pump (3) is f2 at the moment, until the liquid level of the water storage space in the water storage type filter element (4) is equal to the high liquid level a, after the liquid level of the water storage space in the water storage type filter element (4) is equal to the high liquid level a, the water level sensor structure (2) transmits a signal to the main control board (1), and the main control board (1) receives the signal and then transmits a control signal to the variable frequency.

2. The method for adjusting the output power of the variable frequency pump through the water storage level of the water purifier as recited in claim 1, further comprising a mute water production module (5), wherein a second input end is disposed on the main control board (1), an output end of the mute water production module (5) is connected to the second input end of the main control board (1), the second variable frequency power of the variable frequency pump (3) is f3, f3= f1 × y, and y is greater than or equal to 0.5 and less than 1;

the control method comprises the following steps: after a user starts the mute water production module (5), and the water level sensing structure (2) detects that the liquid level of the water storage space in the water storage type filter element (4) is less than the high liquid level a, the water level sensing structure (2) transmits a signal to the main control board (1), the main control board (1) receives the signal and then transmits a control signal to the variable frequency pump (3), at the moment, the output power of the variable frequency pump (3) is changed into f3, until the water level sensing structure (2) detects that the liquid level of the water storage space in the water storage type filter element (4) is equal to the high liquid level a, after the liquid level of the water storage space in the water storage type filter element (4) is equal to the high liquid level a, the water level sensing structure (2) transmits a signal to the main control board (1), the main control board (1) receives the signal and then transmits a control signal to the variable.

3. The method for adjusting the output power of the variable frequency pump through the water storage level of the water purifier as recited in claim 1, wherein the type of the IC of the main control panel (1) is STM32F051K8T6, the type of the water level sensing structure (2) is CK2314, and the type of the variable frequency pump (3) is MQ-400-BLDC.