CN216549882U

CN216549882U - Water purifying device

Info

Publication number: CN216549882U
Application number: CN202123296660.3U
Authority: CN
Inventors: 向海涛; 陈子斌; 高威; 郑礼政; 李冠轩; 吉艳飞
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-05-17
Anticipated expiration: 2031-12-23

Abstract

The utility model provides a water purifying device, comprising: the RO filter element comprises a first water inlet and a first water outlet; the first branch is connected with the first water inlet and is suitable for supplying water to the RO filter element; the first filter element comprises a second water inlet and a second water outlet; the second branch is connected with the second water inlet and the first water outlet and is suitable for supplying water to the first filter element; and one end of the flushing branch is communicated with the second branch, the other end of the flushing branch is provided with a flushing outlet, and the flushing branch is also provided with a first switch piece which is suitable for controlling the on-off of the flushing branch. Through setting up washing branch road and first switch spare to and communicate the external export that washes, when the RO filter core need wash the protection liquid, can open first switch spare, make the sparge water that contains the protection liquid not through first filter core direct discharge, avoid the first filter core of protection liquid damage, realized the protection to first filter core filtering quality, guaranteed complete machine performance and use, and simple structure easily realizes, has reduced the cost of reforming transform original water route.

Description

Water purifying device

Technical Field

The utility model relates to the technical field of water purifying equipment, in particular to a water purifying device.

Background

At present, because the water quality problem is increasingly serious and the living standard of people is gradually improved, the water purifier becomes one of important household appliances in life. The RO filter core that filters quality of water through the reverse osmosis principle in the purifier generally is wet membrane structure, and the protection liquid is stored in the diaphragm, and the complete machine filter core need wash protection liquid in the diaphragm when using, just can normal use after the protection liquid washes totally.

In the existing membrane protection liquid flushing scheme, the protection liquid is flushed out of the RO filter element by connecting a water inlet branch to the RO filter element, passes through the filter element (generally a carbon rod or activated carbon) on the downstream of the water path of the RO filter element, and is flushed away through a pure water outlet. However, according to the washing scheme, the protection solution after washing needs to pass through the downstream filter element, so that the filtering performance of the downstream filter element, such as the adsorption performance of structures such as carbon rods, is negatively affected, and the performance and the use of the whole machine are not facilitated.

SUMMERY OF THE UTILITY MODEL

Therefore, the technical problem to be solved by the utility model is to overcome the defect that the filtering performance of the filter element at the downstream of the RO filter element water path is affected by the product of washing the protective liquid on the RO filter element in the prior art, thereby providing a water purifying device.

The utility model provides a water purification device, comprising: the RO filter element comprises a first water inlet and a first water outlet; the first branch is connected with the first water inlet and is suitable for supplying water to the RO filter element; the first filter element comprises a second water inlet and a second water outlet; the second branch is connected with the second water inlet and the first water outlet and is suitable for supplying water to the first filter element; and one end of the flushing branch is communicated with the second branch, the other end of the flushing branch is provided with a flushing outlet, and the flushing branch is also provided with a first switch piece which is suitable for controlling the on-off of the flushing branch.

The water purification unit still includes: and one end of the third branch is communicated with the second water outlet of the first filter element, the other end of the third branch is provided with a pure water outlet, and a second switch piece is further arranged on the third branch and is suitable for controlling the on-off of the third branch.

The third branch is also provided with a first TDS detection device, and/or a first flowmeter, and/or a pressure detection device.

The water purification unit still includes: the second filter element is provided with a third water inlet and a third water outlet, and the third water outlet is communicated with the first branch; and one end of the fourth branch is communicated with the third water inlet, and the other end of the fourth branch is suitable for being communicated with an external water source and supplying water to the second filter element.

And the first branch is provided with a third switch element which is suitable for controlling the on-off of the first branch.

And the first branch is also provided with a second TDS detection device, and/or a second flowmeter, and/or a pressure stabilizing pump.

The second filter element and the first filter element are integrally formed and form the composite filter element.

The RO filter element further comprises a fourth water outlet, a fifth branch is connected to the fourth water outlet, one end of the fifth branch is connected with the fourth water outlet, the other end of the fifth branch is provided with a wastewater outlet, and a fourth switch piece is further arranged on the fifth branch and is suitable for controlling the on-off of the fifth branch.

The water purification unit still includes: the integrated water route board, at least RO filter core first branch road first filter core the second branch road with wash the integrated setting of branch road on the integrated water route board.

The water purifying device is a water purifying machine.

The technical scheme of the utility model has the following advantages:

1. the utility model provides a water purification device, comprising: the RO filter element comprises a first water inlet and a first water outlet; the first branch is connected with the first water inlet and is suitable for supplying water to the RO filter element; the first filter element comprises a second water inlet and a second water outlet; the second branch is connected with the second water inlet and the first water outlet and is suitable for supplying water to the first filter element; and one end of the flushing branch is communicated with the second branch, the other end of the flushing branch is provided with a flushing outlet, and the flushing branch is also provided with a first switch piece which is suitable for controlling the on-off of the flushing branch.

The first switch piece is closed when the RO filter element does not need to discharge the protective liquid, the first branch supplies water to the RO filter element, and after being filtered by the RO filter element, the water flows from the second branch to the first filter element and passes through the first filter element, thereby realizing double filtration; and when the RO filter core need wash the protection liquid, can open first switch spare, wash the branch road in the pressure is approximate zero, first branch road supplies water to the RO filter core, wash out the protection liquid in the RO filter core certainly, and flow to first filter core from the second branch road, because the interior pressure of first filter core one side is great in the second branch road, the protection liquid turns to and washes the branch road and flows, and flow through washing the export, realize the discharge of protection liquid, and do not pass through first filter core, the protection to first filter core filtration performance has been realized, the complete machine performance and use have been guaranteed, and simple structure easily realizes, the cost of reforming transform the water route has been reduced, effectively overcome among the prior art to the RO filter core on the protection liquid wash the result, influence the defect of the downstream filter core filtration performance in RO filter core water route.

2. The water purification device provided by the utility model further comprises: and one end of the third branch is communicated with the second water outlet of the first filter element, the other end of the third branch is provided with a pure water outlet, and a second switch piece is further arranged on the third branch and is suitable for controlling the on-off of the third branch.

Through setting up the third branch road, and set up the second switch spare on the third branch road, on the one hand can be through the break-make of second switch spare control third branch road, and then to the pure water flow that has passed through after RO filter core and first filter core filter stops controlling opening, on the other hand, can also be through the on-off control to the third branch road, further realize the control to the pressure size of first filter core one side in the second branch road, when closing the third branch road through the second switch spare, can further strengthen the pressure of first filter core one side in the second branch road, when first switch spare was opened, make protection liquid turn to washing branch road as much as possible and flow, and flow through washing the export, prevent protection liquid from flowing through first filter core, the protection to first filter core filtering quality has been improved.

3. The water purification device provided by the utility model further comprises: the second filter element is provided with a third water inlet and a third water outlet, and the third water outlet is communicated with the first branch; and one end of the fourth branch is communicated with the third water inlet, and the other end of the fourth branch is suitable for being communicated with an external water source and supplying water to the second filter element.

Through setting up second filter core and fourth branch road, can carry out the water that gets into the RO filter core earlier and filter, avoid the large granule filth that probably contains in the water etc. to damage the RO filter core, reduce or damage the filtering quality of RO filter core.

4. According to the water purifying device provided by the utility model, the RO filter element further comprises a fourth water outlet, a fifth branch is connected to the fourth water outlet, one end of the fifth branch is connected with the fourth water outlet, the other end of the fifth branch is provided with a wastewater outlet, and a fourth switch piece is further arranged on the fifth branch and is suitable for controlling the on-off of the fifth branch.

Through set up the fifth branch road of washing waste water on the RO filter core, can combine first switch spare and second switch spare through the switching of controlling the fourth switch spare, control the interior pressure size of branch road, can realize failing to wash through filterable filth to discharge through the waste water outlet to the RO filter core.

5. The water purification device provided by the utility model further comprises: the integrated water route board, at least RO filter core first branch road first filter core the second branch road with wash the integrated setting of branch road on the integrated water route board.

Set up pipeline and filter core in the integrated water route board, relative tradition is connected by polyethylene pipe pipeline, has reduced the switching of pipeline, reduces the potential safety hazard of leaking, and the water route is being applied to integrated water route inboard, is to integrate the setting, and the structure volume is littleer, and it is more convenient to use, and the result of use is better.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a water purifying apparatus provided in an embodiment of the present invention;

fig. 2 is a schematic structural view of the water purifying device shown in fig. 1 when the first switching member is a mechanical valve;

FIG. 3 is a schematic structural diagram of the water purification apparatus shown in FIG. 2 without the second flowmeter, the second TDS detection device and the first TDS detection device;

description of reference numerals:

1-an RO filter element; 11-a first water inlet; 12-a first water outlet; 13-a fourth water outlet; 2-a first branch; 21-a third switch member; 22-a second TDS detection device; 23-a second flow meter; 24-a pressure stabilizing pump; 3-a first filter element; 31-a second water inlet; 32-a second water outlet; 4-a second branch; 5-flushing branch; 51-a flush outlet; 52-a first switch member; 6-third branch; 61-a pure water outlet; 62-a second switch member; 63-a first TDS detection device; 7-a second filter element; 71-a third water inlet; 72-a third water outlet; 8-a fourth branch; 9-the fifth branch; 91-a waste water outlet; 92-fourth switching element.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to fig. 3, the embodiment provides a water purifying apparatus, specifically a water purifying apparatus, which may also be a filter and a water using appliance such as a water dispenser, a humidifier or a dishwasher using the filter, wherein an arrow mark in the figure is a water flow direction, and the water purifying apparatus includes: RO filter element 1, first branch 2, first filter element 3, second branch 4 and flushing branch 5.

The RO filter core 1 is specifically a Reverse Osmosis filter core, uses pressure difference as driving force to separate pure water, is provided with first water inlet 11 and first delivery port 12 on it, and first water inlet 11 is connected first branch road 2, can provide water to RO filter core 1, and first branch road 2 provides the water body through once-through filtration at least to RO filter core 1 in this embodiment, and as convertible implementation mode, first branch road 2 can directly provide the raw water to RO filter core 1.

The first cartridge 3 comprises a second water inlet 31 and a second water outlet 32, the second water inlet 31 and the first water outlet 12 being connected by a second branch 4 such that the RO cartridge 1 can supply water to the first cartridge 3.

Still be provided with on second branch road 4 and wash branch road 5, wash branch road 5 one end intercommunication on second branch road 4, the other end is provided with washes export 51, washes export 51 and communicates with the external world, still is provided with first switch member 52 on washing branch road 5, can be used for controlling the break-make that washes branch road 5.

When the RO filter element 1 does not need to discharge the protective liquid, the first switch member 52 is closed, the first branch 2 supplies water to the RO filter element 1, and after being filtered by the RO filter element 1, the water flows from the second branch 4 to the first filter element 3 and passes through the first filter element 3, so that double filtration is realized; and when the RO filter element 1 needs to be washed with the protective liquid, the first switch element 52 can be opened, the pressure in the washing branch 5 is approximately zero, the first branch 2 supplies water to the RO filter element 1, the protective liquid is washed out from the RO filter element 1 and flows to the first filter element 3 from the second branch 4, and the protective liquid turns to the washing branch 5 to flow due to the fact that the internal pressure on one side of the first filter element 3 in the second branch 4 is large and flows out through the washing outlet 51, and the discharge of the protective liquid is achieved.

Through on second branch road 4 between RO filter core 1 and first filter core 3, the connection sets up washes branch road 5, and set up the external export 51 that washes of intercommunication at the tip that washes branch road 5, and set up first switch 52 on washing branch road 5, set up like this, when RO filter core 1 needs to wash the protection liquid, first switch 52 can be opened, make the sparge water that contains the protection liquid not directly discharge through first filter core 3, avoid protection liquid damage first filter core 3, the protection to first filter core 3 filtration performance has been realized, the complete machine performance and use have been guaranteed, and simple structure easily realizes, the cost in reforming transform original water route has been reduced, the product that washes to protection liquid on RO filter core 1 among the prior art, influence the defect of RO filter core filtration performance in the water route of filter core 1 low reaches.

The water purifying device further comprises a third branch 6, one end of the third branch 6 is communicated with the second water outlet 32 of the first filter element 3, the other end of the third branch is provided with a pure water outlet 61, and a second switch part 62 is further arranged on the third branch 6 and can control the on-off of the third branch 6.

Through setting up third branch road 6, and set up second switch spare 62 on third branch road 6, on the one hand can be through the break-make of second switch spare 62 control third branch road 6, and then open and stop the flow of the pure water that has passed through RO filter core 1 and first filter core 3 and control, on the other hand, can also be through the on-off control to third branch road 6, further realize the control to the pressure size of first filter core 3 one side in second branch road 4, when closing third branch road 6 through second switch spare 62, can further increase the pressure of first filter core 3 one side in second branch road 4, when first switch spare 52 opens, make as much as possible the turning to of protection liquid wash branch road 5 flow, and flow out through washing outlet 51, prevent protection liquid from flowing through first filter core 3, the protection to first filter core 3 filtering performance has been improved.

In this embodiment, the third branch 6 is further provided with a first TDS detecting device 63, a first flow meter and a pressure detecting device, the first flow meter and the pressure detecting device are not shown in fig. 1, TDS refers to total amount of total dissolved solids in Totaldissolved solids, the TDS detecting device is specifically a TDS detector, and can detect concentration of total dissolved solids in water, and can be used as detection index of hardness of water, so that a user can judge water quality according to hardness, the flow meter can be convenient for the user or a control unit in the device to judge time for subsequent water receiving or heating the water receiving time, and the like, the pressure detecting device is specifically a pressure switch, and can detect and monitor water pressure on the branch, thereby ensuring normal flow of water in the branch, and avoiding problems such as water leakage or pressure overload. As an alternative embodiment, one or more of the first TDS detecting device 63, the first flow meter, and the pressure detecting device may not be provided.

The water purification device also comprises a second filter element 7 and a fourth branch 8. The second filter element 7 is provided with a third water inlet 71 and a third water outlet 72, and the third water outlet 72 is communicated with the first branch 2. One end of the fourth branch 8 is communicated with the third water inlet 71, and the other end of the fourth branch can be communicated with an external water source, so that unfiltered raw water can be provided for the second filter element 7. Through setting up second filter core 7 and fourth branch road 8, can carry out the advanced filtration with the water that gets into RO filter core 1, avoid the large granule filth that probably contains in the water etc. to damage RO filter core 1, reduce or damage RO filter core 1's filtration performance.

As an alternative embodiment, the second filter insert 7 and the fourth branch 8 may not be provided.

The first branch 2 is also provided with a third switch 21 for controlling the on-off of the first branch 2, so that a user can control whether the second filter element 7 supplies water into the RO filter element 1. As an alternative embodiment, a third switching element 21 can be provided on the fourth branch 8.

The first branch 2 is also provided with a second TDS detection device 22, a second flow meter 23 and a pressure stabilizing pump 24. Combine first TDS detection device 63 and first flowmeter on third branch road 6, on the basis of quality of water hardness and water velocity of flow on first branch road 2, can also detect the user and judge whether stable with first filter core 3's filtration performance, simultaneously, steady pressure pump 24's setting can avoid around first branch road 2 at each switch member switching-on and switching-off in-process, and inside water pressure takes place the sudden change, influences the problem appearance of the service property of each structure. As an alternative embodiment, one or more of the second TDS detecting device 22, the second flow meter 23, and the pressure stabilizing pump 24 may not be provided. As another alternative embodiment, the first branch 2 may be further provided with a pressure detection device.

Specifically, the second filter element 7 may be a coarse filtration filter element such as PAC, PP cotton, or the like, and the first filter element 3 may be a filtration filter element such as a carbon rod, activated carbon, or an ultrafiltration composite membrane. Further, in the present embodiment, the second filter element 7 and the first filter element 3 are integrally provided, and constitute a composite filter element. Wherein first filter core 3 is rearmounted filter core, sets up in RO filter core 1 along the low reaches in water route, and second filter core 7 is leading filter core, sets up in RO filter core 1 along the upstream in water route. The second filter element 7 and the first filter element 3 in the composite filter element can be nested or arranged in parallel.

The RO filter element 1 further comprises a fourth water outlet 13, a fifth branch 9 is connected to the fourth water outlet 13, one end of the fifth branch 9 is connected to the fourth water outlet 13, the other end of the fifth branch 9 is provided with a waste water outlet 91, and the fifth branch 9 is further provided with a fourth switch 92 suitable for controlling the on-off of the fifth branch 9. Through set up the fifth branch road 9 that washes waste water on RO filter core 1, can be through the switching of controlling fourth switch 92, combine first switch 52 and second switch 62, control the interior pressure size of fifth branch road 9, can realize failing to wash through filterable filth among the RO filter core 1 to discharge through waste water outlet 91.

In this embodiment, the first switch 52, the second switch 62, the third switch 21, and the fourth switch 92 may all be mechanical valves, electromagnetic valves, plugs, and the like, and preferably, the first switch 52, the third switch 21, and the fourth switch 92 are all electromagnetic valves, so as to be in communication connection with a control structure, so as to achieve remote control and improve automation level, and the second switch 62 is a faucet, so that a user can manually control opening and closing in real time, so as to receive water.

Purifier still includes the integrated water route board, and at least RO filter core 1, first branch road 2, first filter core 3, second branch road 4 and wash 5 integrations of branch road set up on the integrated water route board. In this embodiment, the RO filter cartridge 1, the composite filter cartridge, and the first branch 2, the second branch 4, the third branch 6, the fourth branch 8, and the fifth branch 9 are all disposed on the integrated water channel plate. Set up pipeline and filter core in the integrated water route board, relative tradition is connected by polyethylene pipe pipeline, has reduced the switching of pipeline, reduces the potential safety hazard of leaking, and the water route is being applied to integrated water route inboard, is to integrate the setting, and the structure volume is littleer, and it is more convenient to use, and the result of use is better.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the utility model may be made without departing from the spirit or scope of the utility model.

Claims

1. A water purification device, characterized by comprising:

the RO filter element (1) comprises a first water inlet (11) and a first water outlet (12);

a first branch (2) connected to said first water inlet (11) and adapted to supply water to said RO cartridge (1);

a first filter element (3) comprising a second water inlet (31) and a second water outlet (32);

-a second branch (4) connecting said second water inlet (31) and said first water outlet (12) and adapted to supply said first cartridge (3) with water;

one end of the flushing branch (5) is communicated with the second branch (4), the other end of the flushing branch is provided with a flushing outlet (51), and the flushing branch (5) is also provided with a first switch piece (52) which is suitable for controlling the on-off of the flushing branch (5).

2. The water purification unit of claim 1, further comprising:

and one end of the third branch (6) is communicated with the second water outlet (32) of the first filter element (3), the other end of the third branch is provided with a pure water outlet (61), and the third branch (6) is also provided with a second switch piece (62) which is suitable for controlling the on-off of the third branch (6).

3. Water purification apparatus according to claim 2, wherein the third branch (6) is further provided with a first TDS detection device (63), and/or a first flow meter, and/or a pressure detection device.

4. The water purification apparatus of claim 2 or 3, further comprising:

the second filter element (7) is provided with a third water inlet (71) and a third water outlet (72), and the third water outlet (72) is communicated with the first branch (2);

and one end of the fourth branch (8) is communicated with the third water inlet (71), and the other end of the fourth branch is suitable for being communicated with an external water source and is suitable for supplying water to the second filter element (7).

5. A water purification apparatus according to claim 4, wherein a third switch element (21) is arranged on the first branch (2) and adapted to control the on/off of the first branch (2).

6. Water purification apparatus according to claim 5, wherein a second TDS detection device (22) and/or a second flow meter (23) and/or a pressure stabilizing pump (24) is/are further provided on the first branch (2).

7. A water purification unit, as claimed in claim 5 or 6, characterized in that the second filter element (7) and the first filter element (3) are provided in one piece and constitute a composite filter element.

8. A water purification device as claimed in any one of claims 1 to 3 and 5 to 6, wherein the RO cartridge (1) further comprises a fourth water outlet (13) connected with a fifth branch (9), one end of the fifth branch (9) is connected with the fourth water outlet (13), the other end of the fifth branch is provided with a waste water outlet (91), and the fifth branch (9) is further provided with a fourth switch element (92) adapted to control the on-off of the fifth branch (9).

9. The water purification unit of claim 1, further comprising:

the integrated water circuit board, at least RO filter core (1), first branch road (2) first filter core (3) second branch road (4) with wash branch road (5) integrated the setting on the integrated water circuit board.

10. The water purification apparatus of any one of claims 1-3, 5-6, and 9, wherein the water purification apparatus is a water purifier.