CN211896173U

CN211896173U - RO water purifier capable of limiting TDS (total dissolved solids) of first cup of water to be higher

Info

Publication number: CN211896173U
Application number: CN202020285325.XU
Authority: CN
Inventors: 杨浩; 官阔荣; 韩升学; 杨书雄; 刘陶; 贺素平
Original assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Current assignee: Zhejiang Shaoxing Supor Domestic Electrical Appliance Co Ltd
Priority date: 2020-03-10
Filing date: 2020-03-10
Publication date: 2020-11-10
Anticipated expiration: 2030-03-10

Abstract

The utility model provides a restriction first cup of RO purifier that TDS is higher than normal, including the raw water import, the RO filter core, dense water export and play water tap, the RO filter core has the end of intaking, dense water end and pure water end, the raw water import is connected to the end of intaking of RO filter core through the water intake pipe, the dense water end of RO filter core is connected to dense water export through dense water solenoid valve, the pure water end of RO filter core is connected to out water tap through pure water outlet pipe, be provided with the raw water TDS probe that detects raw water TDS value on the water inlet pipe, be provided with the pure water TDS probe that detects pure water TDS value on the pure water outlet pipe, be connected with control outlet water value pipeline between pure water outlet pipe and the dense water export, be provided with the solenoid valve that drains on the control outlet water TDS value pipeline, the raw water solenoid valve is opened and close the detected value that is controlled by the TD. The utility model discloses when pure water TDS value and raw water TDS value ratio are low excessively, the solenoid valve that drains opens intercommunication pure water outlet pipe way and dense water export, with the pure water discharge of the TDS high on the contrary in the pure water outlet pipe way to keep the pure water TDS value in the within range that can drink, thereby prevent that first cup water TDS value is high on the contrary, in order to guarantee that people's drinking water is healthy.

Description

RO water purifier capable of limiting TDS (total dissolved solids) of first cup of water to be higher

Technical Field

The utility model relates to a water purification unit technical field specifically relates to a RO purifier that restriction first cup water TDS is high on the high side.

Background

Traditional reverse osmosis water purification machine (RO water purification machine for short) water production capacity is usually 50 gallons per day, and along with the improvement of people's demand, water purification machine water production capacity is from 400 gallons to 800 gallons, even more than 1000 gallons, and this kind of RO water purification machine is because the water velocity is fast, water production capacity is high more and more liked by the consumer.

However, while improving certain performances, RO water purifiers also bring new problems in terms of hygiene indexes and cost performance: when the RO water purifier works, the TDS at the pure water end is in a normal state, when a user stops using the RO water purifier, concentrated water at the water inlet end of a reverse osmosis membrane (namely, an RO membrane) can be gradually diffused to the pure water end, the diffusion time of the concentrated water starts to appear within 5 minutes, water at the pure water end is generally determined according to the size of a membrane shell and generally has about 500 plus 1000m l, and the total removal rate of water-soluble solids of a first cup after the water purifier starts to work again is smaller than 85% (in an industrial standard, the total removal rate of the soluble solids is smaller than 85%, namely the TDS value is considered to be higher), so that the drinking water health of people is influenced.

However, since the reverse osmosis membrane is in a state where the machine is stopped and high concentration ions are permeated in a forward direction to a low concentration pure water side, it is difficult to prevent this problem from the membrane process.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to at least partially solve the problems existing in the prior art, the utility model provides a RO water purifier for limiting the TDS of the first cup of water to be higher.

The utility model provides an RO water purifier for limiting the TDS of a first cup of water to be higher, which comprises a raw water inlet, an RO filter element, a concentrated water outlet and a water outlet tap, the RO filter element is provided with a water inlet end, a concentrated water end and a pure water end, the raw water inlet is connected to the water inlet end of the RO filter element through a water inlet pipeline, the concentrated water end of the RO filter element is connected to the concentrated water outlet through a concentrated water electromagnetic valve, the pure water end of the RO filter element is connected to the water outlet faucet through a pure water outlet pipeline, a raw water TDS probe for detecting a raw water TDS value is arranged on the water inlet pipeline, a pure water TDS probe for detecting a pure water TDS value is arranged on the pure water outlet pipeline, a pipeline for controlling the TDS value of the discharged water is connected between the pure water outlet pipeline and the concentrated water outlet, the water outlet control device is characterized in that a water discharge electromagnetic valve is arranged on the water outlet control TDS value pipeline, and the opening and closing of the water discharge electromagnetic valve are controlled by the detection value of the raw water TDS probe and the detection value of the pure water TDS probe.

The utility model discloses raw water TDS probe has been increased on the basis of traditional RO purifier, pure water TDS probe and control play water TDS value pipeline, through raw water TDS probe detection raw water TDS value, through pure water TDS probe detection pure water TDS value, when pure water TDS value and raw water TDS value ratio are low excessively, the solenoid valve that turns on the control play water TDS value pipeline opens intercommunication pure water outlet pipe way and dense water export, the pure water discharge of TDS high on the throne in the pure water outlet pipe way, in order to keep the pure water TDS value at the within range that can drink, thereby prevent that first cup water TDS value is high on the throne, drinking water health with guaranteeing people. This paragraph is the general benefit of the present application.

Exemplarily, be provided with the pre-processing apparatus on the inlet line, the input of pre-processing apparatus with raw water inlet links to each other, the output of pre-processing apparatus through water inlet solenoid valve and booster pump with the end of intaking of RO filter core links to each other. So, raw water can just strain from leading processing apparatus to can improve the life of RO filter core, just, the booster pump can carry out the pressure boost to intaking.

Illustratively, the raw water TDS probe is disposed between the output of the pre-treatment device and the water inlet solenoid valve. In this way, the raw water TDS probe detects the TDS value of the raw water after primary filtration by the pre-treatment device.

Illustratively, the pre-treatment device is a PP filter, or an activated carbon filter. The front-end treatment device can select a PP filter or an activated carbon filter according to the requirement, so that the water purification mode is flexible.

Exemplarily, be provided with rearmounted active carbon processing apparatus on the pure water outlet pipeline, the pure water end of RO filter core through first check valve and high pressure switch with rearmounted active carbon processing apparatus's input links to each other, rearmounted active carbon processing apparatus's output with go out water tap connects. The rear-mounted active carbon treatment device can filter the pure water generated after reverse osmosis treatment again, and can control the water purifier to work or stop water production based on the high-voltage switch setting.

Illustratively, the pure water TDS probe is disposed between the output of the post-carbon treatment device and the effluent tap. Thus, the pure water TDS probe detects the TDS value of the pure water which is filtered again by the post-positioned active carbon processing device.

Illustratively, the control effluent TDS value pipeline has a first end and a second end, the first end is connected with the output end of the post-activated carbon treatment device, and the second end is connected with the concentrated water outlet. So, when pure water TDS value and raw water TDS value ratio are low excessively, the control goes out the direct pure water discharge that is high on the fly of TDS in the rearmounted active carbon processing apparatus of water TDS value pipeline to the high concentration water in the rearmounted active carbon processing apparatus of replacement, in order to keep the pure water TDS value in the within range that can drink, thereby prevent that first cup water TDS value is high on the fly, in order to guarantee that people's drinking water is healthy.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail embodiments of the present invention with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the invention and not to limit the invention. In the drawings, like reference numbers generally represent like parts or steps.

FIG. 1 is a schematic structural diagram of an RO water purifier for limiting the TDS of a first cup of water to a higher level according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

101-raw water inlet; 102-a pre-processing device; 103-water inlet electromagnetic valve; 104-a booster pump; 105-an RO filter element; 1051-water inlet end; 1052-concentrate end; 1053-pure water end; 106-a check valve; 107-high voltage switch; 108 — post-processing means; 109-water outlet tap; 110 — raw water TDS probe; 112-pure water TDS probe; 113-water discharge electromagnetic valve; 115-concentrated water electromagnetic valve; 116-concentrated water outlet; 200-a water inlet pipeline; 300-pure water outlet pipeline; 400-concentrated water outlet pipeline; 500-pipeline for controlling TDS value of effluent.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, exemplary embodiments according to the present invention will be described in detail below with reference to the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the present invention and are not intended to limit the invention to the particular embodiments described herein. Based on the embodiments of the present invention described in the present application, all other embodiments obtained by those skilled in the art without creative efforts shall fall within the protection scope of the present invention.

As shown in fig. 1, the RO water purifier of the present invention for limiting the TDS of a first cup of water comprises a raw water inlet 101, an RO filter element 105, a concentrated water outlet 116 and a water outlet tap 109, wherein the RO filter element 105 has a water inlet end 1051, a concentrated water end 1052 and a pure water end 1053, the raw water inlet 101 is connected to the water inlet end 1051 of the RO filter element through a water inlet pipeline 200, the concentrated water end 1052 of the RO filter element is connected to the concentrated water outlet 116 through a concentrated water solenoid valve 115, the concentrated water solenoid valve 115 is disposed on a concentrated water outlet pipeline 400 (thus, the concentrated water in the RO filter element is discharged from the concentrated water outlet pipeline 400), the pure water end 1053 of the RO filter element is connected to the water outlet tap 109 through a pure water outlet pipeline 300, in order to achieve the purpose of limiting the TDS of the first cup of water to be higher, the pure water inlet pipeline 200 is provided with a pure water probe 110 for detecting the TDS of the raw water, the pure water outlet pipeline 300 is provided with a pure water probe 112 for detecting the TDS of, the water discharge electromagnetic valve 113 is arranged on the control effluent TDS value pipeline 500, and the opening and closing of the water discharge electromagnetic valve 113 are controlled by the detection value of the raw water TDS probe 110 and the detection value of the pure water TDS probe 112.

The utility model discloses raw water TDS probe 110 has been increased on the basis of traditional RO purifier, pure water TDS probe 112 and control play water TDS value pipeline 500, detect raw water TDS value through raw water TDS probe 110, detect pure water TDS value through pure water TDS probe 112, when pure water TDS value and raw water TDS value ratio are low excessively, control play water solenoid valve 113 on the water TDS value pipeline 500 and open intercommunication pure water outlet pipe way 300 and dense water export 116, discharge the pure water of TDS high on the side in the pure water outlet pipe way 300, in order to keep the pure water TDS value at the within range that can drink, thereby prevent that first cup water value is high on the side, drinking water health with guaranteeing people.

The embodiment of the utility model provides an in, be provided with leading processing apparatus 102 on the water intake pipe 200, leading processing apparatus 102's input links to each other with raw water inlet 101, leading processing apparatus 102's output links to each other with the end 1051 of intaking of RO filter core through water inlet solenoid valve 103 and booster pump 104, and water inlet solenoid valve 103 is used for controlling the purifier and intakes. Thus, the raw water can be primarily filtered from the pre-treatment device 102, so that the service life of the RO filter element can be prolonged, and the booster pump 104 can boost the intake water. Here, the water inlet line 200 refers to a line between the raw water inlet 101 and the water inlet end 1051 of the RO cartridge.

That is to say, the utility model discloses an among the purifier, except adopting RO filter core 105 to carry out reverse osmosis treatment to the raw water, can also set up between raw water import 101 and water inlet solenoid valve 103 and carry out filterable leading processing apparatus 102 to water, set up through leading processing apparatus 102, can carry out leading processing to the water that gets into RO filter core 105 to can improve water purification filter core device's life.

Illustratively, the raw water TDS probe 110 is disposed between the output of the pre-treatment device 102 and the inlet water solenoid valve 103. Thus, the raw water TDS probe 110 detects the TDS of the raw water that has been initially filtered by the pre-treatment device 102.

The pre-treatment device 102 is illustratively a PP filter, or an activated carbon filter. The pre-treatment device 102 can select a PP filter or an activated carbon filter according to the requirement, so that the water purification mode is flexible. Of course, the pre-treatment device 102 is not limited to the PP filter and the activated carbon filter, and other filter elements capable of filtering water are also possible, and the activated carbon filter may be a compressed activated Carbon (CTO) filter element device or a granular activated carbon filter element device, which is not described herein in detail.

The embodiment of the utility model provides an in, be provided with rearmounted active carbon treatment device 108 on the pure water outlet pipe way 300, the pure water end 1053 of RO filter core links to each other with rearmounted active carbon treatment device 108's input through check valve 106 and high-pressure switch 107, and rearmounted active carbon treatment device 108's output is connected with play water tap 109. The post-positioned activated carbon treatment device 108 can filter the pure water generated after the reverse osmosis treatment again, and can control the water purifier to work or stop making water based on the setting of the high-voltage switch 107.

Illustratively, a pure water TDS probe 112 is disposed between the output of the post-carbon treatment device 108 and the effluent tap 109. Thus, the pure water TDS probe 112 detects the TDS value of the pure water that has been filtered again by the post-activated carbon treatment apparatus.

Illustratively, the control effluent TDS value line 500 has a first end coupled to the output of the post-carbon treatment device 108 and a second end (not labeled in the figures) coupled to the concentrate outlet 116. So, when pure water TDS value and raw water TDS value ratio are low excessively, control play water TDS value pipeline 500 directly discharges the pure water of the TDS height in the rearmounted active carbon processing apparatus 108 to the high concentration water in the rearmounted active carbon processing apparatus 108 is replaced, with the within range that keeps the pure water TDS value in drinkable, thereby prevents that first cup water TDS value is high on the high side, with the drinking water health of guaranteeing people. Of course, the connection of the first end is not limited to this, and the connection mode shown in fig. 1 may be adopted, and the first end is connected to the pure water outlet pipe 300.

The utility model relates to a theory of operation that RO purifier restriction first cup water TDS is high on the high side does:

1. after the water purifier is standby, the water channel TDS from the RO filter element 105 to the front end of the check valve 106 gradually rises.

2. The user opens water outlet tap 109 to get water, and the purifier works, and the high concentration water of RO filter core 105 anterior segment directly gets into the inside of rearmounted active carbon processing apparatus 108 and dilutes.

3. The pure water TDS probe 112 detects the quality of the effluent water with a set value of TDS 1.

4. Comparing the TDS1 with the TDS2 detected by the raw water TDS probe 110, for example, when 1-TDS1/TDS2 is more than 87%, the quality of the effluent is judged to be qualified, and the machine works normally.

5. After a user takes water for multiple times, after the initial high-concentration water of the RO filter element 105 is diluted to the post-activated carbon treatment device 108 for multiple times, the TDS of the water in the post-activated carbon treatment device 108 is determined to be higher and higher, and when the 1-TDS1/TDS2 is less than or equal to 87%, the TDS of the water is judged to be unqualified.

6. At this time, after the user stops taking water, the water discharge solenoid valve 113 is immediately opened, the water purifier continues to work for a certain time, such as 3 min, and the original high TDS water in the post-activated carbon treatment device 108 is discharged from the concentrated water outlet 116, so as to replace the high concentration water in the post-activated carbon treatment device 108.

In the description of the embodiments of the present invention, it should be noted that unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, elements, components, and/or combinations thereof, unless the context clearly indicates otherwise.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The present invention has been described in terms of the above embodiments, but it is to be understood that the above embodiments are for purposes of illustration and description only and are not intended to limit the invention to the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many more modifications and variations are possible in light of the teaching of the present invention and are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An RO water purifier for limiting the TDS of a first cup of water to be higher comprises a raw water inlet, an RO filter element, a concentrated water outlet and a water outlet faucet, the RO filter element is provided with a water inlet end, a concentrated water end and a pure water end, the raw water inlet is connected to the water inlet end of the RO filter element through a water inlet pipeline, the concentrated water end of the RO filter element is connected to the concentrated water outlet through a concentrated water electromagnetic valve, the pure water end of the RO filter element is connected to the water outlet faucet through a pure water outlet pipeline, it is characterized in that a raw water TDS probe for detecting the TDS value of the raw water is arranged on the water inlet pipeline, a pure water TDS probe for detecting the TDS value of the pure water is arranged on the pure water outlet pipeline, a pipeline for controlling the TDS value of the outlet water is connected between the pure water outlet pipeline and the concentrated water outlet, the water outlet control device is characterized in that a water discharge electromagnetic valve is arranged on the water outlet control TDS value pipeline, and the opening and closing of the water discharge electromagnetic valve are controlled by the detection value of the raw water TDS probe and the detection value of the pure water TDS probe.

2. The RO water purifier as recited in claim 1, wherein a pre-treatment device is disposed on the water inlet pipeline, an input end of the pre-treatment device is connected to the raw water inlet, and an output end of the pre-treatment device is connected to a water inlet end of the RO filter element through a water inlet solenoid valve and a booster pump.

3. The RO water purifier of claim 2 wherein the raw water TDS probe is disposed between the output of the pre-treatment device and the inlet water solenoid valve.

4. An RO water purifier according to claim 2 wherein the pre-treatment device is a PP filter or an activated carbon filter.

5. The RO water purifier according to claim 3, wherein a post-activated carbon treatment device is disposed on the pure water outlet pipeline, the pure water end of the RO filter element is connected to an input end of the post-activated carbon treatment device through a check valve and a high-pressure switch, and an output end of the post-activated carbon treatment device is connected to the water outlet faucet.

6. An RO water purifier according to claim 5, wherein the pure water TDS probe is provided between the output of the post-activated carbon treatment unit and the water outlet tap.

7. The RO water purifier of claim 6, wherein the controlled effluent TDS value line has a first end connected to an output of the post-activated carbon treatment device and a second end connected to the concentrate outlet.