CN213803144U

CN213803144U - Low-noise water purifier with RO long-acting flow stabilization control system

Info

Publication number: CN213803144U
Application number: CN202021631408.6U
Authority: CN
Inventors: 陆晓菲; 郭军波; 黄苗权; 刘坤海; 张磊
Original assignee: Zhejiang Qinyuan Water Treatment Technology Co Ltd
Current assignee: Zhejiang Qinyuan Water Treatment Technology Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2021-07-27
Anticipated expiration: 2030-08-07
Also published as: WO2022029002A1

Abstract

The utility model relates to a low-noise water purifier with RO long-acting steady flow control system, which comprises a pipeline structure, a filtering component, a water pump, a flow detection module and an electric control system; the filter assembly is arranged at one end of the pipeline structure, the flow detection module is arranged at the other end of the pipeline structure, and the filter assembly comprises an RO (reverse osmosis) membrane, a front filter element and a rear filter element; the water pump is arranged between the front filter element and the flow detection module, the RO membrane is arranged between the flow detection module and the water pump, the rear filter element is arranged between the RO membrane and the flow detection module, and the water pump and the flow detection module are respectively electrically connected with the electric control system. Use the utility model discloses, through the velocity of flow of control raw water, reduced the pure water flux of RO membrane of flowing through in the unit interval, prolonged the life of RO membrane, reduced the production that the water pump rotational speed can the noise reduction simultaneously, electrical system can set for the target flow simultaneously.

Description

Low-noise water purifier with RO long-acting flow stabilization control system

Technical Field

The utility model relates to a drinking water purifies the field, especially relates to low noise type water purifier with long-term stationary flow control system of RO.

Background

With the development of industrialization, the problem of water pollution is gradually aggravated. The drinking water source among people's daily life is mainly the running water, though the running water is through water treatment process such as sediment, filtration, disinfection, however, the quality of water of running water hardly satisfies the requirement of people's healthy drinking water, so more and more families and unit use purifier, current mainly have microfiltration, ultrafiltration, nanofiltration and RO membrane reverse osmosis four kinds according to the filtration mode, wherein is comparatively general with RO membrane reverse osmosis purifier, and the play flux of RO membrane is also constantly high, and the following main problem includes: 1. the RO filtering characteristic has wastewater discharge, and high water efficiency and long service life become key requirements along with the popularization of water purification products; 2. the overall noise becomes significantly greater because a larger flux membrane generally requires a larger pre-membrane pressure, which generally requires a higher rotational speed booster pump to provide, and the corresponding noise increases as a result.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the system water purifier which can prolong the service life of RO, improve the water efficiency and effectively control the running noise of the whole machine is provided.

The specific technical scheme is as follows:

a low-noise water purifier with an RO long-acting steady flow control system comprises a pipeline structure, a filtering assembly, a water pump, a flow detection module and an electric control system; the filter assembly is arranged at one end of the pipeline structure, the flow detection module is arranged at the other end of the pipeline structure, and the filter assembly comprises an RO (reverse osmosis) membrane, a front filter element and a rear filter element; the water pump is arranged between the front filter element and the flow detection module, the RO membrane is arranged between the flow detection module and the water pump, the rear filter element is arranged between the RO membrane and the flow detection module, and the water pump and the flow detection module are respectively electrically connected with the electric control system.

The above low-noise water purifier with the RO long-acting steady flow control system, wherein the flow detection module is a flow meter.

The low-noise water purifier with the RO long-acting steady flow control system is characterized in that the water pump is a booster pump.

The pipeline structure comprises a first pipeline, a water inlet is formed in one end of the first pipeline, and the other end of the first pipeline is connected with the front filter element.

The low-noise water purifier with the RO long-acting steady flow control system is characterized in that the preposed filter element comprises a first filter element and a second filter element, and the first filter element is connected with the second filter element; the pipeline structure further comprises a second pipeline, one end of the second pipeline is connected with the first filter element, and the other end of the second pipeline is connected with the second filter element.

The above low-noise water purifier with the RO long-acting flow stabilization control system, wherein the pipeline structure further comprises a third pipeline, one end of the third pipeline is connected with the second filter element, and the other end of the third pipeline is connected with the RO membrane; the water pump is installed on the third pipeline.

The pipeline structure comprises a fourth pipeline, one end of the fourth pipeline is connected with the RO membrane, the other end of the fourth pipeline is connected with the rear filter element, and a drain outlet is formed in the RO membrane.

The above low-noise water purifier with the RO long-acting flow stabilizing control system, wherein the pipeline structure further comprises a fifth pipeline, and a water outlet is arranged at one end of the fifth pipeline; the other end of the fifth pipeline is connected with the rear filter element, and one end of the fifth pipeline is provided with the flow detection module.

The above low-noise water purifier with the RO long-acting steady flow control system, wherein the electric control system comprises a main control system and an operating system; the main control system is electrically connected with the operating system, the main control system is electrically connected with the flow detection module, and the operating system is electrically connected with the water pump.

Compared with the prior art, the technical scheme has the positive effects that:

(1) the RO long-term steady flow control system detects the water filtration flow velocity through adopting the flow detection module and feeds back to electrical system to the rotational speed of control water pump slows down drainage to RO membrane front pressure, has so not only prolonged the life of RO membrane, and the rotational speed that reduces the water pump simultaneously can reduce the water pump and rotate produced noise, has improved user's experience and has felt.

(2) The water purifier adopts the RO long-acting steady flow control membrane system, so that the problem that the water purifier is short in service life is solved, the quality of the water purifier is improved, meanwhile, the noise generated during the operation of the water purifier is reduced, and the damage of the noise to the health of a human body is reduced.

Description of reference numerals:

fig. 1 is a schematic diagram of a water circuit connection with an RO long-acting steady flow control system according to the present invention;

fig. 2 is an electrical control schematic.

1. A filter assembly; 11. an RO membrane; 12. a front filter element; 121. a first filter element; 122. a second filter element; 13. a post-positioned filter element; 2. a water pump; 3. a flow detection module; 4. an electronic control system; 41. a master control system; 42. an operating system; 5. a pipe structure; 51. a first conduit; 52. a second conduit; 53. a third pipeline; 54. a fourth conduit; 55. and a fifth pipeline.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

As shown in fig. 1, the system comprises a pipeline structure 5, a filter assembly 1, a water pump 2, a flow detection module 3 and an electric control system 4; one end of the pipeline structure 5 is provided with a filtering component 1, the other end of the pipeline structure 5 is provided with a flow detection module 3, and the filtering component 1 comprises an RO membrane 11, a front filter element 12 and a rear filter element 13; a water pump 2 is arranged between the preposed filter element 12 and the flow detection module 3, an RO membrane 11 is arranged between the flow detection module 3 and the water pump 2, a postposition filter element 13 is arranged between the RO membrane 11 and the flow detection module 3, and the water pump 2 and the flow detection module 3 are respectively electrically connected with the electric control system 4

Wherein, pipeline structure 5 is applicable to the usefulness of connecting each structure, and the pipeline switches on each other, plays the effect of transportation drainage. The filtering component 1 is used for filtering water, filtering solid impurities and soluble heavy metal impurities in water, and ensuring that the filtered water can meet the water quality requirement of a user. The water pump 2 is used for accelerating the flow speed of filtered water and accelerating the filtering speed of the filter element. The flow detection module 3 is used for accurately monitoring the water flow speed of filtered water and the change of pressure difference in the pipeline, and converting detected data into signals and transmitting the signals to the electronic control system 4. The electric control system 4 controls the rotating speed of the water pump 2 through data analysis, so that the water filtering flow speed is controlled, the pressure of water pressure on the RO membrane 11 is reduced, the service life of the RO membrane 11 is prolonged, meanwhile, the rotating speed of the water pump 2 is reduced, the noise of the water purifier can be reduced, the influence of the noise on a human body is reduced, and the experience of a user is improved.

The flow detection module 3 is a flow meter, the core control mode is to detect the current flow through the flow meter, compare the current flow with the target flow, carry out intelligent control by combining a PID control algorithm, and simultaneously combine a self-learning function to keep the water outlet stable in the water taking process. Meanwhile, a pressure sensor can be arranged on the flowmeter and used for assisting in judging the state of the RO membrane.

Meanwhile, the flow meter can be used for converting data monitored in the change of the water filtering pressure difference into signals to be output, on one hand, the flow meter belongs to a sensitive part, the pressure difference of the filtered water can be accurately monitored, the monitoring effect on the water pressure difference is improved, and the accuracy of the monitoring data is ensured. On the other hand, the flowmeter is the most common sensor, and the cost of enterprises or users can be greatly reduced due to the low price.

Besides, the flow detection module 3 can also use a water flow sensor, a water flow impact sensor and ultrasonic waves to monitor the speed of the water flow and convert the speed into a signal to be transmitted. Different flow detection modules 3 are used to meet different flow monitoring requirements, the application range of the flow detection modules 3 is expanded, and the monitoring accuracy of the flow modules is ensured.

Wherein, water pump 2 is the booster pump, and the booster pump working range is big on the one hand, selects for use the pump of different model models to obtain different pressure regions, can control input atmospheric pressure or output atmospheric pressure through electrical system 4 simultaneously for thereby the pressure in space produces the velocity of flow that changes the control rivers, and not only work is steady but also easily control. On the other hand, the safety of the booster pump is high, and the safety of a user in using the water purifier is improved. In addition, the water pump 2 can also adopt the piston water pump 2, the centrifugal water pump 2 and the axial-flow type water pump 2 to control the flow velocity of water flow through different principles, increase the variety that the water pump 2 used, enlarged the application range of water purifier.

As shown in the combined drawing, the filter assembly 1 further comprises a front filter element 12 and a rear filter element 13, wherein the front filter element 12 is connected with one side of the water pump 2; one side of the post-filter element 13 is connected with the RO membrane 11. Wherein leading filter core 12 is different with the rearmounted filter core 13 material, and leading filter core 12 is used for the prefilter of drainage, generally filters the solid impurity that exists in the drainage, and leading filter core 12 can adopt carbon fiber filter core or filter screen generally. The post-filter element 13 is used for filtering the last step of water filtration, and the post-filter element 13 can adopt a nano silver ion filter element, ultrafiltration or nanofiltration, and is used for filtering out impurities dissolved in heavy metal in water, so that the quality of filtered water is ensured, and the water purification effect of the water purifier is improved. The front filter element 12 or the rear filter element 13 can use a plurality of filter elements to meet the requirements of different users on water quality. The RO membrane 11 is arranged between the front filter element 12 and the rear filter element 13, and on one hand, the front filter element 12 filters a large amount of impurities, so that the damage influence of other impurities on the RO membrane 11 can be reduced, and the service life of the RO membrane 11 is prolonged. On the other hand, after the filtered water is filtered by the layer-by-layer filter element and the RO membrane 11, the quality of the filtered water quality is improved, and the water safety of users is ensured.

As shown in the figure, the pipe structure 5 includes a first pipe 51, one end of the first pipe 51 is provided with a water inlet, and the other end of the first pipe 51 is connected to the front filter element 12. The first pipeline 51 is used for transportation and connects external water filtration with the water purifier. The water inlet plays the connection effect, and the drainage gets into the water purifier through the inlet opening and filters.

The front filter element 12 comprises a first filter element 121 and a second filter element 122, wherein the first filter element 121 is connected with the second filter element 122; the duct structure 5 further includes a second duct 52, one end of the second duct 52 is connected to the first filter element 121, and the other end of the second duct 52 is connected to the second filter element 122. The first filter element 121 is used for filtering solid impurities in the filtered water, and the second filter element 122 is used for filtering impurities in the filtered water. The damage influence of other impurities on the RO membrane 11 can be reduced by filtering the filtered water twice, the service life of the RO membrane 11 is prolonged, and the water quality of the filtered water is improved. The second pipe 52 is used to connect the first filter element 121 and the second filter element 122, and serves as a connection.

The pipeline structure 5 further includes a third pipeline 53, one end of the third pipeline 53 is connected to the second filter element 122, and the other end of the third pipeline 53 is connected to the RO membrane 11; the water pump 2 is installed on the third pipe 53. The third pipe 53 serves as a connection for connecting the second filter cartridge 122 and the RO membrane 11. On the other hand, the water pump 2 is fixed, the stability of the water pump 2 during operation is improved, and the noise is reduced. The water pump 2 functions to accelerate the water flow.

The piping structure 5 includes a fourth piping 54, one end of the fourth piping 54 is connected to the RO membrane 11, and the other end of the fourth piping 54 is connected to the rear filter element 13. A sewage draining outlet is arranged on the RO membrane 11. The fourth pipe 54 is used to connect the RO membrane 11 and the post-filter cartridge 13. The RO membrane 11 is used for filtering and filtering water, the filtered water is transported to the post-filter element 13 through a fourth pipeline 54, and the impurities and pollutants left after filtering are discharged out of the water purifier through a sewage discharge outlet and are treated

The pipeline structure 5 further comprises a fifth pipeline 55, and a water outlet is formed in one end of the fifth pipeline 55; the other end of the fifth pipeline 55 is connected with the rear filter element 13, and one end of the fifth pipeline 55 is provided with a flow detection module 3. The fifth pipe 55 plays a role in transporting the filtered water to the outside of the water purifier. Meanwhile, a water outlet is formed in one side of the fifth pipeline 55 and communicated with the water inlet; the flow detection module 3 is positioned at the water outlet, and the prepositive filter element 12 is arranged at the water inlet. Unfiltered filtered water flows into the water purifier through the water inlet for filtering, and filtered water flows out of the water purifier through the water outlet. The flow detection module 3 is arranged at the water outlet, and on one hand, the flow detection module 3 is arranged at the water outlet, so that the flow detection module 3 is convenient to install and disassemble, and the installation difficulty of the water purifier is reduced. On the other hand, the pressure difference of the filtered water after the filtered water is accelerated by the water pump 2 can be accurately monitored, so that the monitored data is converted into signals to be transmitted to the main control system 41, and the rotating speed of the water pump 2 is controlled and adjusted. The installation mode ensures the flow velocity of water flow during water filtration output, and increases the monitoring accuracy of the flow detection module 3. In addition, a flow detection module 3 can be respectively arranged at the water outlet and the water inlet, so that the pressure difference during water inlet and the pressure difference during water outlet are compared. Therefore, the electric control system 4 can be helped to accurately control the rotating speed of the water pump 2, the service life of the RO membrane 11 is prolonged, the noise of the water purifier is reduced,

in this embodiment, the filtered water enters the water purifier through the water outlet, and is filtered by the pre-filter 12, the filtered water reaches the water pump 2, the water pump 2 accelerates the flow of the filtered water, then the filtered water flows to the RO membrane 11 and passes through the RO membrane 11, a part of the filtered water filtered by the RO membrane 11 is changed into impurity concentrated water and is discharged out of the water purifier, another part of the filtered water reaches the post-filter 13 and is filtered for the last time, and the filtered water finally passes through the flow detection module 3 and is discharged from the water outlet.

The electronic control system 4 includes a main control system 41 and an operating system 42; the main control system 41 is electrically connected with the operation system 42, the main control system 41 is electrically connected with the flow detection module 3, and the operation system 42 is electrically connected with the water pump 2. The main control system 41 may set a target flow, compare the data detected by the flow detection module 3 with the target flow, and transmit an adjustment instruction to the operating system 42. The operating system 42 is used for controlling the rotating speed of the water pump 2, and the operating system 42 adjusts the rotating speed of the water pump 2 according to the instruction of the main control system 41, so that the service life of the RO membrane 11 is prolonged, and the noise of the water pump 2 is reduced.

In this embodiment, the flow detection module 3 can monitor the outlet flow of the outlet pure water in real time, and feed back the monitored data to the main control system 41, and the main control system 41 compares the feedback amount with the target flow set before and then adjusts and outputs the feedback amount, so that the adjustment instruction is transmitted to the operating system 42, and the operating system 42 controls the water pressure of the water pump 2, thereby controlling the overall water flow speed.

The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.

Claims

1. A low-noise water purifier with an RO long-acting steady flow control system is characterized by comprising a pipeline structure (5), a filtering assembly (1), a water pump (2), a flow detection module (3) and an electric control system (4); the filter assembly (1) is arranged at one end of the pipeline structure (5), the flow detection module (3) is arranged at the other end of the pipeline structure (5), and the filter assembly (1) comprises an RO (reverse osmosis) membrane (11), a front filter element (12) and a rear filter element (13); leading filter core (12) with be equipped with between flow detection module (3) water pump (2), flow detection module (3) with be equipped with between water pump (2) RO membrane (11), RO membrane (11) with be equipped with between flow detection module (3) rearmounted filter core (13), water pump (2) with flow detection module (3) respectively with electrical system (4) electricity is connected.

2. A low noise type water purifier having an RO long lasting flow stabilizing control system according to claim 1, wherein the flow detecting module (3) is a flow meter.

3. A low noise type water purifier having an RO long lasting flow stabilizing control system according to claim 1, wherein the water pump (2) is a booster pump.

4. A low noise type water purifier having an RO long lasting flow stabilizing control system according to claim 1, wherein the pipe structure (5) comprises a first pipe (51), one end of the first pipe (51) is provided with a water inlet, and the other end of the first pipe (51) is connected with the pre-filter element (12).

5. A low noise type water purifier having an RO long lasting flow stabilizing control system according to claim 1, wherein the pre-filter element (12) comprises a first filter element (121) and a second filter element (122), the first filter element (121) being connected to the second filter element (122); the pipeline structure (5) further comprises a second pipeline (52), one end of the second pipeline (52) is connected with the first filter element (121), and the other end of the second pipeline (52) is connected with the second filter element (122).

6. A low noise type water purifier having an RO long lasting flow stabilizing control system according to claim 5, wherein the pipe structure (5) further comprises a third pipe (53), one end of the third pipe (53) is connected to the second filter element (122), and the other end of the third pipe (53) is connected to the RO membrane (11); the water pump (2) is mounted on the third pipeline (53).

7. A low noise type water purifier having an RO long-acting flow-stabilizing control system according to claim 1, wherein the pipe structure (5) comprises a fourth pipe (54), one end of the fourth pipe (54) is connected to the RO membrane (11), the other end of the fourth pipe (54) is connected to the post-filter element (13), and a sewage drain is provided on the RO membrane (11).

8. A low noise type water purifier having an RO long lasting flow stabilizing control system according to claim 1, wherein the pipe structure (5) further comprises a fifth pipe (55), and a water outlet is provided at one end of the fifth pipe (55); the other end of the fifth pipeline (55) is connected with the rear filter element (13), and one end of the fifth pipeline (55) is provided with the flow detection module (3).

9. A low noise type water purifier having an RO long lasting flow stabilizing control system according to claim 1, wherein the electrical control system (4) comprises a main control system (41) and an operating system (42); the main control system (41) is electrically connected with the operating system (42), the main control system (41) is electrically connected with the flow detection module (3), and the operating system (42) is electrically connected with the water pump (2).