WO2022198689A1

WO2022198689A1 - Table top water purifier

Info

Publication number: WO2022198689A1
Application number: PCT/CN2021/083776
Authority: WO
Inventors: 周新
Original assignee: 东莞市优尼雅电子科技有限公司
Priority date: 2021-03-22
Filing date: 2021-03-30
Publication date: 2022-09-29

Abstract

The present invention relates to the technical field of water purifying devices, and in particular to a table top water purifier. The table top water purifier comprises a water tank, a water pump, a filtering system, a water outlet nozzle, and an electric control system. A water outlet of the water tank is communicated with a water inlet end of the water pump, and a water outlet end of the water pump is communicated with the water outlet nozzle by means of the filtering system. The electric control system comprises a control panel and a main control board, and the control panel is electrically connected to the water pump by means of the main control board. According to the table top water purifier, the structure of a pure water tank is eliminated, so that the water outlet end of the filtering system is directly communicated with the water outlet nozzle; the arrangement mode can avoid the occurrence of secondary pollution of the filtered water, and the elimination of the pure water tank enables the structure of the table top water purifier to be simpler, thereby effectively reducing the production cost thereof.

Description

A desktop water purifier

technical field

The invention belongs to the technical field of water purification equipment, and in particular relates to a desktop water purifier.

Background technique

Water purifiers are also called water purifiers or water purifiers, which are mainly equipment for deep filtration and purification of water quality according to the requirements of water use. The water purifiers usually referred to generally refer to small purifiers used in households.

At present, household desktop water purifiers are equipped with a built-in pure water tank. The pure water tank is provided with ventilation holes, and bacteria and other debris can easily enter the pure water tank through the ventilation holes. secondary pollution, and the pure water tank is inconvenient to clean; at the same time, the arrangement of the pure water tank will make the structure of the entire desktop water purifier more complicated, and its production cost will also increase. Therefore, a water purifier with a simple structure is provided to solve the technical problems existing in the prior art.

SUMMARY OF THE INVENTION

In order to solve the above problems existing in the prior art, the present invention provides a desktop water purifier with a simple structure, so as to solve the problem that the built-in pure water tank of the existing water purifier in the prior art easily causes secondary pollution of water and water purification. The technical problem of high production cost of the machine.

The present invention is specifically realized through the following technical solutions:

A desktop water purifier includes a water tank, a water pump, a filtration system, a water outlet and an electric control system;

The water outlet of the water tank is communicated with the water inlet end of the water pump, and the water outlet end of the water pump is communicated with the water outlet through the filter system;

The electrical control system includes a control panel and a main control board, and the control panel is electrically connected to the water pump through the main control board.

In order to better realize the present invention, further optimization is made in the above structure, the filter system includes a PP cotton composite carbon filter, a reverse osmosis membrane filter and a rear carbon rod filter, and the water outlet of the water pump passes through the PP in sequence The cotton composite carbon filter element, the reverse osmosis membrane filter element and the rear carbon rod filter element are communicated with the water outlet.

In order to better realize the present invention, further optimization is made in the above structure, the desktop water purifier also includes a concentrated water solenoid valve, and the concentrated water outlet end of the reverse osmosis membrane filter element passes through the concentrated water solenoid valve and the The water return port of the water tank is connected, and the concentrated water solenoid valve is electrically connected with the main control board.

In order to better realize the present invention, further optimization is made in the above structure, the water tank includes a box body and a base, the box body is detachably arranged on the base, and the water outlet of the box body is provided with a The first two-way check valve, the water inlet end of the water pump is arranged on the base, and the base is provided with a second check valve for opening the first two-way check valve at the position corresponding to the first two-way check valve. A convex part, the water outlet of the box body communicates with the water pump through the first two-way check valve.

In order to better realize the present invention, further optimization is made in the above structure, a second two-way check valve is arranged at the water return port of the box body, and the water outlet end of the concentrated water solenoid valve is arranged on the base, And the base is provided with a second convex portion for opening the second two-way check valve at the position corresponding to the second two-way check valve, and the return port of the box is connected to the second two-way check valve through the second two-way check valve. The concentrated water solenoid valve is connected.

In order to better realize the present invention, the above structure is further optimized, a concentrated water cavity is arranged in the box body, and the water return port is communicated with the concentrated water cavity.

In order to better realize the present invention, the above structure is further optimized. A water level detection module is arranged in the box, and the water level detection module is electrically connected to the main control board.

In order to better realize the present invention, further optimization is made in the above structure, the electronic control system further includes a display screen, and the display screen is electrically connected to the main control board.

In order to better realize the present invention, further optimization is made in the above structure, the water inlet end of the water pump is provided with a TDS probe, and the TDS probe is electrically connected to the main control board.

In order to better realize the present invention, further optimization is made in the above structure, the water outlet end of the filtration system is provided with a flowmeter, and the flowmeter is electrically connected to the main control board.

To sum up, the present invention has the following technical effects:

The desktop water purifier cancels the structure of the pure water tank, so that the water outlet of the filtration system is directly connected to the water outlet. This setting method can avoid secondary pollution of the filtered water, and the cancellation of the pure water tank makes The desktop water purifier has a simpler structure, thereby effectively reducing its production cost.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is a pipeline connection diagram in a desktop water purifier of the present invention;

Fig. 2 is a disassembled view of a water tank in a desktop water purifier of the present invention;

3 is a schematic structural diagram of a water pump in a desktop water purifier of the present invention;

4 is a schematic structural diagram of a filtering system in a desktop water purifier of the present invention.

Reference number:

1. Water tank; 11. Box body; 111. Water outlet; 112. Water return port; 12. Base; 13. The first two-way check valve; 14. The second two-way check valve; Detection module; 2. Water pump; 3. Filtration system; 31. PP cotton composite carbon filter; 32. Reverse osmosis membrane filter; 33. Rear carbon rod filter; 4. Water outlet; 51. Control panel; 52. Main control board ; 53. Display screen; 6. Concentrated water solenoid valve; 7. TDS probe; 8. Flow meter.

Detailed ways

In order to make the objectives, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other implementations obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that, unless otherwise specified, "plurality" means two or more; the terms "upper", "lower", "left", "right", "inside" "," "outside", "front end", "rear end", "head", "tail" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present invention and The description is simplified rather than indicating or implying that the device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should also be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a connectable connection. Removal connection, or integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific conditions.

Example 1:

As shown in Figure 1 to Figure 4:

A desktop water purifier includes a water tank 1, a water pump 2, a filter system 3, a water outlet 4 and an electric control system; wherein,

The water outlet 111 of the water tank 1 is communicated with the water inlet end of the water pump 2, and the water outlet end of the water pump 2 is communicated with the water outlet 4 through the filter system 3;

The electrical control system includes a control panel 51 and a main control board 52 , and the control panel 51 is electrically connected to the water pump 2 through the main control board 52 .

When using the desktop water purifier, the user can start the water pump 2 through the control panel 51, and the water pump 2 can pump out the water in the water tank 1, and send the pumped water into the filtration system 3 for filtration and purification. The filtered water can directly flow out from the water outlet 4 for the user to use.

The desktop water purifier omits the setting of the pure water tank, which makes the structure of the desktop water purifier simpler, thereby effectively reducing its production cost; at the same time, the setting method enables the purified water to be directly The water outlet 4 flows out to avoid secondary pollution, thereby making the desktop water purifier safer and healthier to use.

Specifically, the above-mentioned filter system 3 includes a PP cotton composite carbon filter element 31, a reverse osmosis membrane filter element 32 and a rear carbon rod filter element 33; wherein,

The PP cotton composite carbon filter element 31, the reverse osmosis membrane filter element 32 and the rear carbon rod filter element 33 are all common filter elements on the market. The water outlet end of the above-mentioned water pump 2 is connected with the water inlet end of the PP cotton composite carbon filter element 31. The water outlet end of the composite carbon filter element 31 is communicated with the water inlet end of the reverse osmosis membrane filter element 32, the water outlet end of the reverse osmosis membrane filter element 32 is communicated with the water inlet end of the rear carbon rod filter element 33, and the water outlet end of the rear carbon rod filter element 33 is connected to the water inlet end of the reverse osmosis membrane filter element 32. The above-mentioned water outlet 4 is communicated;

When the desktop water purifier is in operation, the above-mentioned water pump 2 can pump out the water in the water tank 1, and the pumped water can pass through the PP cotton composite carbon filter element 31, the reverse osmosis membrane filter element 32 and the rear carbon rod filter element in sequence. 33 is filtered and purified, and then flows out from the water outlet 4, so that the filtered water meets the usage standard.

It should be noted that the existing desktop water purifiers generally use a small flux water production system with a small flow rate, while the setting of the pure water tank can effectively increase the water output to meet the needs of users. ;

In the desktop water purifier provided in this embodiment, the pure water tank is eliminated, and the water output of the desktop water purifier is increased by increasing the flow rate of the water pump 2 and increasing the flow rate of the reverse osmosis membrane filter element 32 .

Optimized, the desktop water purifier also includes a concentrated water solenoid valve 6; wherein,

The above-mentioned reverse osmosis membrane filter element 32 is provided with a concentrated water outlet end, the water inlet end of the concentrated water electromagnetic valve 6 is communicated with the concentrated water outlet end, the water outlet end of the concentrated water electromagnetic valve 6 is communicated with the water tank 1, and the concentrated water electromagnetic valve 6 is connected. 6 is electrically connected to the above-mentioned main control board 52;

When the desktop water purifier is working, the water pumped out by the water pump 2 will pass through the above-mentioned PP cotton composite carbon filter element 31, reverse osmosis membrane filter element 32 and rear carbon rod filter element 33 in sequence, and when the water passes through the reverse osmosis membrane filter element At 32 hours, the impurities in the water will be filtered by the reverse osmosis membrane filter element 32, and the concentrated water in the reverse osmosis membrane filter element 32 will flow into the water tank 1 from the concentrated water outlet through the concentrated water solenoid valve 6.

Embodiment 2:

As shown in Figure 1 to Figure 4:

As a further optimization of the first embodiment, the above-mentioned water tank 1 includes a box body 11 and a base 12; wherein,

The box body 11 is detachably arranged on the base 12, the water outlet 111 of the box body 11 is provided with a first two-way check valve 13, the water inlet end of the above-mentioned water pump 2 is arranged on the base 12, and the water inlet end of the water pump 2 Corresponding to the position of the first two-way check valve 13 , the water outlet 111 of the box body 11 is communicated with the water inlet end of the water pump 2 through the first two-way check valve 13 , and the base 12 corresponds to the position of the first two-way check valve 13 . a first convex portion is provided;

When the user places the box body 11 on the base 12, the first protrusion on the base 12 will abut the first two-way check valve 13 on the box body 11. At this time, the first two-way check valve 13 will will open, so that the water in the box 11 can flow to the water pump 2 through the first two-way check valve 13;

When the user removes the box body 11 from the base 12, the first convex part and the first two-way check valve 13 will be separated, and at this time, the first two-way check valve 13 will be automatically closed, so that the box body The water in the box 11 will not flow out from the water outlet 111 to the outside, thereby effectively preventing the water in the box 11 from flowing out from the water outlet 111 to the outside.

Preferably, a second two-way check valve 14 is provided at the water return port 112 of the box body 11 , the water outlet end of the above-mentioned concentrated water solenoid valve 6 is arranged on the base 12 , and the water outlet end of the concentrated water electromagnetic valve 6 is connected to the second two-way check valve 14 . The positions of the check valves 14 correspond to each other, so that the outlet end of the concentrated water solenoid valve 6 communicates with the water return port 112 of the box 11 through the second two-way check valve 14, and the base 12 is provided with a second check valve corresponding to the position of the second check valve. convex part;

When the user places the box body 11 on the base 12 , the second protrusion on the base 12 abuts against the second two-way check valve 14 on the box body 11 . At this time, the second two-way check valve 14 It will be opened, so that the concentrated water discharged from the concentrated water solenoid valve 6 can enter the tank 11 through the second two-way check valve 14;

And when the user removes the box body 11 from the base 12, the second convex part and the second two-way check valve 14 will be separated, and at this time, the second two-way check valve 14 will be automatically closed, so that the box body The water in the box 11 will not flow out to the outside through the water return port 112, thereby effectively preventing the water in the box 11 from flowing out from the water outlet 111 to the outside.

It should be noted that the structures of the first two-way check valve 13 and the second two-way check valve 14 are completely identical, and the structures of the first convex portion and the second convex portion are also identical.

Optimized, the above-mentioned water pump 2 is a self-priming pump, and the self-priming pump is a self-priming diaphragm pump, which has the advantages of compact structure, convenient operation, stable operation, easy maintenance, high efficiency, long service life, and strong self-priming. capabilities, etc.

Preferably, the above-mentioned box body 11 is provided with a concentrated water cavity 15; wherein,

The concentrated water chamber 15 is vertically arranged in the box 11 , and the above-mentioned water return port 112 is arranged at the bottom of the concentrated water chamber 15 ;

Preferably, the box body 11 is further provided with a water level detection module 16, and the water level detection module 16 is electrically connected to the above-mentioned main control board 52;

The water level detection module 16 can detect the height of the water level in the box body 11, and when the water level in the box body 11 is too low, the water level detection module 16 will send an electrical signal to the main control board 52. At this time, the main control board 52 will open the water inlet to add water to the box 11, so as to make the desktop water purifier more convenient to use.

Alternatively, the above-mentioned main control board 52 is provided with a buzzer. When the water level detection module 16 detects that the water level in the box 11 is too low, the water level detection module 16 will send an electrical signal to the main control board 52, and the main control After receiving the electrical signal sent by the water level detection module 16 , the board 52 will control the buzzer to emit a prompt sound, and at this time, the user can add water into the box 11 .

Preferably, the above-mentioned electronic control system further includes a display screen 53; wherein,

The display screen 53 is electrically connected to the above-mentioned main control board 52, and the main control board 52 can convert electrical signals into digital information, and display it externally through the display screen 53, that is, the working state of the desktop water purifier, the information in the box 11 Information such as water level information and time can be displayed externally through the display screen 53, so as to make the use of the desktop water purifier more convenient.

Preferably, the water inlet end of the above-mentioned water pump 2 is provided with a TDS probe 7, and the TDS probe 7 is electrically connected to the above-mentioned main control board 52;

Among them, TDS is also known as total dissolved solids, and the unit of measurement is milligrams per liter (mg/L), which indicates how many milligrams of dissolved solids are dissolved in 1 liter of water. Total dissolved solids refers to the total amount of all solutes in the water, including the content of both inorganic and organic matter.

The TDS probe 7 can detect the total amount of dissolved solids in the water flowing from the water tank 1 to the water pump 2, so as to better understand the state of the water body and make the desktop water purifier safer and more secure.

Preferably, the water outlet 111 of the above-mentioned filtration system 3 is provided with a flow meter 8, and the flow meter 8 is also electrically connected to the main control board 52;

The flow meter 8 can detect the flow of water and display the flow information to the outside through the above-mentioned display screen 53. The user can judge whether the desktop water purifier needs to be replaced with the above-mentioned PP cotton compound by the value displayed on the display screen 53. The carbon filter element 31, the reverse osmosis membrane filter element 32 and/or the rear carbon rod filter element 33 make the use of the desktop water purifier more convenient.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present invention. should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

A desktop water purifier, characterized in that it comprises a water tank (1), a water pump (2), a filtering system (3), a water outlet (4) and an electric control system;

The water outlet (111) of the water tank (1) communicates with the water inlet end of the water pump (2), and the water outlet end of the water pump (2) communicates with the water outlet (4) through the filter system (3) connected;

The electrical control system includes a control panel 51 and a main control board (52), and the control panel 51 is electrically connected to the water pump (2) through the main control board (52).
The desktop water purifier according to claim 1, wherein the filter system (3) comprises a PP cotton composite carbon filter element (31), a reverse osmosis membrane filter element (32) and a rear carbon rod filter element (33) The water outlet of the water pump (2) passes through the PP cotton composite carbon filter element (31), the reverse osmosis membrane filter element (32), the rear carbon rod filter element (33) and the water outlet (4) in turn. ) is connected.
The desktop water purifier according to claim 2, characterized in that it further comprises a concentrated water solenoid valve (6), and the concentrated water outlet end of the reverse osmosis membrane filter element (32) passes through the concentrated water solenoid valve (6). ) is communicated with the water return port (112) of the water tank (1), and the concentrated water solenoid valve (6) is electrically connected to the main control board (52).
The desktop water purifier according to claim 3, characterized in that: the water tank (1) comprises a box body (11) and a base (12), and the box body (11) is detachably arranged on the base (12), a first two-way check valve (13) is arranged at the water outlet (111) of the box (11), and the water inlet end of the water pump (2) is arranged on the base (12) , and the base (12) is provided with a first convex portion for opening the first two-way check valve (13) at the position corresponding to the first two-way check valve (13), and the box (11) The water outlet (111) of the water pump is communicated with the water inlet end of the water pump (2) through the first two-way check valve (13).
The desktop water purifier according to claim 4, characterized in that a second two-way check valve (14) is provided at the water return port (112) of the box body (11), and the concentrated water solenoid valve ( 6) The water outlet end is provided on the base (12), and the base (12) is provided with a position corresponding to the second two-way check valve (14) for opening the second two-way check valve (14). ), the water return port (112) of the box (11) communicates with the concentrated water solenoid valve (6) through the second two-way check valve (14).
The desktop water purifier according to claim 5, characterized in that: a concentrated water cavity (15) is arranged in the box body (11), and the water return port (112) is communicated with the concentrated water cavity (15).
The desktop water purifier according to claim 6, characterized in that: a water level detection module (16) is arranged in the box (11), and the water level detection module (16) is connected to the main control board (52). ) electrical connection.
The desktop water purifier according to any one of claims 1 to 7, wherein the electronic control system further comprises a display screen (53), the display screen (53) and the main control board ( 52) Electrical connection.
The desktop water purifier according to claim 8, characterized in that: the water inlet end of the water pump (2) is provided with a TDS probe (7), and the TDS probe (7) is connected to the main control board (52). ) electrical connection.
The desktop water purifier according to claim 1, characterized in that: a flow meter (8) is provided at the water outlet end of the filtration system (3), and the flow meter (8) is connected to the main control board (52). ) electrical connection.