Control valve, water treatment device and water treatment system

Abstract

The utility model discloses a control valve, a water treatment device and a water treatment system.The control valve comprises a valve body, a piston, a driving mechanism, a salt suction water injection connector, a third flow meter and a control assembly, the valve body is provided with an inner cavity, the piston is arranged in the inner cavity, and the driving mechanism is connected with the piston to drive the piston to move in the inner cavity; the salt absorption water injection connector is connected with the valve body and provided with a salt absorption water injection channel, and the salt absorption water injection channel is communicated with the inner cavity; the third flow meter is arranged in the liquid inlet channel, and the control assembly is electrically connected with the third flow meter and the driving mechanism. The third flow meter is arranged in the salt suction water injection channel, so that the integration level of the control valve is improved, the structure is simplified, the assembling difficulty of a subsequent water treatment device is reduced, and meanwhile, the salt suction water injection flow can be accurately measured so as to be matched with a control assembly to accurately adjust the position of a piston; and whether the control valve leaks water or not can be judged by detecting the flow from the salt absorption water injection joint.

Description

Technical Field

[0001] This application belongs to the field of water treatment technology, specifically relating to a control valve, a water treatment device, and a water treatment system. Background Technology

[0002] Water treatment devices remove calcium and magnesium ions from water, softening it and reducing its hardness. Control valves allow the device to switch between water production, water injection, slow brine flushing, backwashing, and forward flushing. However, when control valves malfunction, problems are often difficult to accurately diagnose and promptly warn of, leading to water supply interruptions. Utility Model Content

[0003] The purpose of this utility model is to provide a control valve that solves the problem that existing control valves cannot accurately judge problems and provide timely warnings when problems occur, thus causing water interruption. Another purpose of this application is to provide a water treatment device, and yet another purpose of this application is to provide a water treatment system.

[0004] Technical solution: A control valve according to an embodiment of this application includes:

[0005] The valve body has an internal cavity;

[0006] A piston is disposed within the inner cavity;

[0007] A drive mechanism, connected to the piston, drives the piston to move within the inner cavity;

[0008] A brine suction and water injection connector is connected to the valve body. The brine suction and water injection connector has a brine suction and water injection channel that communicates with the inner cavity.

[0009] The third flow meter is installed inside the brine injection channel;

[0010] The control component is electrically connected to the third flow meter and the drive mechanism, respectively.

[0011] In some embodiments, the control valve further includes:

[0012] A drain connector is connected to the valve body, and the drain connector has a drain channel that communicates with the inner cavity;

[0013] A fourth flow meter is installed in the sewage discharge channel and is electrically connected to the control component.

[0014] In some embodiments, the control valve further includes:

[0015] A liquid inlet connector is connected to the valve body, and the liquid inlet connector has a liquid inlet channel that communicates with the inner cavity;

[0016] A liquid outlet connector is connected to the valve body, and the liquid outlet connector has a liquid outlet channel that communicates with the inner cavity;

[0017] A first flow meter is installed inside the liquid inlet channel;

[0018] A second flow meter is installed inside the liquid outlet channel;

[0019] The control component is electrically connected to the first flow meter and the second flow meter, respectively.

[0020] In some embodiments, the control valve further includes:

[0021] A first connector is connected to the liquid inlet connector. The first connector has a first channel that communicates with the liquid inlet channel. A first flow meter passes through the first channel and extends into the liquid inlet channel. The first flow meter is sealed to the inner wall of the first connector.

[0022] The second connector is connected to the liquid outlet connector. The second connector has a second channel that communicates with the liquid outlet channel. The second flow meter passes through the second channel and extends into the liquid outlet channel. The second flow meter is sealed to the inner wall of the second connector.

[0023] The third connector is connected to the brine-injection connector. The third connector has a third channel that communicates with the brine-injection channel. The third flow meter passes through the third channel and extends into the brine-injection channel. The third flow meter is sealed to the inner wall of the third connector.

[0024] The fourth connector is connected to the sewage connector. The fourth connector has a fourth channel that communicates with the sewage channel. The fourth flow meter passes through the fourth channel and extends into the sewage channel. The fourth flow meter is sealed to the inner wall of the fourth connector.

[0025] In some embodiments, the control valve further includes:

[0026] The first clamping cover is fixedly connected to the first connector, and the first clamping cover abuts against the first flow meter;

[0027] The second clamping cover is fixedly connected to the second connector, and the second clamping cover abuts against the second flow meter;

[0028] The third clamping cover is fixedly connected to the third connector, and the third clamping cover abuts against the third flow meter;

[0029] The fourth clamping cover is fixedly connected to the fourth connector, and the fourth clamping cover abuts against the fourth flow meter.

[0030] In some embodiments,

[0031] The first clamping cover has a first through hole, through which the wiring harness of the first flow meter passes;

[0032] The second clamping cover has a second through hole, through which the wiring harness of the second flow meter passes;

[0033] The third clamping cover has a third through hole, through which the wiring harness of the third flow meter passes;

[0034] The fourth clamping cover has a fourth through hole, through which the wiring harness of the fourth flow meter passes.

[0035] In some embodiments, the first clamping cover is threadedly connected to the first connector, the second clamping cover is threadedly connected to the second connector, the third clamping cover is threadedly connected to the third connector, and the fourth clamping cover is threadedly connected to the fourth connector.

[0036] In some embodiments, the control valve further includes a grille disposed within the valve body and sealed to the inner wall of the valve body. The grille is arranged around the outer periphery of the piston and is used to divide the inner cavity into multiple chambers. The inlet channel, the outlet channel, the brine injection channel, and the drain channel are respectively connected to the corresponding chambers. Along the axial direction of the piston, the piston can move within the inner cavity to open or close the passages between the multiple chambers and the inlet channel, the outlet channel, the brine injection channel, and the drain channel.

[0037] Accordingly, a water treatment device according to the embodiments of this application includes a treatment tank, a brine tank, a brine suction pipe, and a control valve as described in any of the foregoing embodiments. The treatment tank is connected to the control valve, and the brine suction pipe is connected to the control valve and disposed inside the brine tank.

[0038] Accordingly, a water treatment system according to the embodiments of this application includes a control valve as described in any of the foregoing embodiments, or a water treatment device as described in the foregoing embodiments.

[0039] Beneficial Effects: Compared with the prior art, a control valve according to an embodiment of this application includes a valve body, a piston, a drive mechanism, a brine injection connector, a third flow meter, and a control component. The valve body has an inner cavity, and the piston is disposed within the inner cavity. The drive mechanism is connected to the piston to drive the piston to move within the inner cavity. The brine injection connector is connected to the valve body and has a brine injection channel that communicates with the inner cavity. The third flow meter is disposed within the brine injection channel, and the control component is electrically connected to both the third flow meter and the drive mechanism. By setting a third flow meter within the brine injection channel, this application improves the integration of the control valve, simplifies the structure, and reduces the assembly difficulty of subsequent water treatment devices. It also enables accurate measurement of the brine injection flow rate and allows for flow rate detection at the source of the brine injection connector, thus determining whether the control valve is leaking. The third flow meter allows for real-time monitoring of the flow rate within the brine injection channel and provides feedback to the control unit. This, in conjunction with the drive mechanism, moves the piston. The control unit, based on the flow data from the third flow meter, controls the drive mechanism to move the piston to the corresponding position, thereby increasing or decreasing the flow rate within the brine injection channel to maintain it within the expected range and achieve full regeneration. Furthermore, by observing changes in the flow data from the third flow meter while driving the piston, it is possible to determine if there are leaks at the brine injection connection and provide timely feedback upon detection, achieving an early warning effect.

[0040] Compared with the prior art, a water treatment device according to an embodiment of this application includes a treatment tank, a brine tank, a brine suction pipe, and a control valve as described in any of the foregoing embodiments. The treatment tank is connected to the control valve, and the brine suction pipe is connected to the control valve and disposed within the brine tank. It is understood that the water treatment device of this application includes all the technical features and effects of the aforementioned control valve, which will not be repeated here.

[0041] Compared with the prior art, a water treatment system according to an embodiment of this application includes a control valve as described in any of the foregoing embodiments, or a water treatment device as described in the foregoing embodiments. It is understood that the water treatment system according to an embodiment of this application includes all the technical features and effects of the aforementioned control valve or water treatment device, and will not be repeated here. Attached Figure Description

[0042] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0043] Figure 1 This is a schematic diagram of the overall structure of a control valve according to an embodiment of this application;

[0044] Figure 2 This is an exploded view of a partial structure of a control valve according to an embodiment of this application;

[0045] Figure 3 This is a schematic diagram of the structure of a control valve according to an embodiment of this application, showing the side where the third connector is located.

[0046] Figure 4 This is a partial cross-sectional view of a control valve according to an embodiment of this application;

[0047] Figure 5 This is a schematic block diagram of a control valve according to an embodiment of this application;

[0048] Figure 6 This is a schematic diagram of the structure of a water treatment device according to an embodiment of the present invention.

[0049] Reference numerals: 100, valve body; 110, inner cavity; 111, chamber; 200, inlet connector; 210, inlet channel; 220, first flow meter; 230, first connector; 231, first channel; 240, first clamping cap; 241, first through hole; 300, outlet connector; 310, outlet channel; 320, second flow meter; 330, second connector; 331, second channel; 340, second clamping cap; 341, second through hole; 400, suction... 410. Salt water injection connector; 420. Salt water injection channel; 430. Third flow meter; 431. Third connector; 440. Third clamping cap; 441. Third through hole; 500. Sewage discharge connector; 510. Sewage discharge channel; 520. Fourth flow meter; 530. Fourth connector; 531. Fourth channel; 540. Fourth clamping cap; 541. Fourth through hole; 600. Piston; 700. Grille; 800. Drive mechanism; 900. Control component. Detailed Implementation

[0050] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0051] In the description of this application, it should be understood that the terms "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more features. In the description of this application, "multiple" means two or more, and "at least one" can mean one, two, or more, unless otherwise explicitly specified. In the description of this application, "perpendicular" means completely perpendicular to 90° or almost completely perpendicular, for example, the range of included angles from 80° to 100° is considered perpendicular. Similarly, "parallel" means completely parallel or almost completely parallel, for example, the range of completely parallel angles from 10° is considered parallel.

[0052] Please refer to the following: Figures 1-5 An embodiment of this application discloses a control valve, comprising a valve body 100, a piston 600, a drive mechanism 800, a brine / water injection connector 400, a third flow meter 420, and a control component 900. The valve body 100 has an inner cavity 110, the piston 600 is disposed within the inner cavity 110, the drive mechanism 800 is connected to the piston 600 to drive the piston 600 to move within the inner cavity 110, and the drive mechanism 800 is electrically connected to the control component 900. The brine / water injection connector 400 is connected to the valve body 100 and has a brine / water injection channel 410 that communicates with the inner cavity 110. The third flow meter 420 is disposed within the brine / water injection channel 410 and is electrically connected to the control component 900.

[0053] In this embodiment, by installing a third flow meter 420 within the brine injection channel 410, the integration of the control valve 4 is improved, the structure is simplified, and the assembly difficulty of subsequent water treatment devices is reduced. Simultaneously, it enables accurate measurement of the brine injection flow rate and flow rate detection from the source of the brine injection connector 400, allowing for timely determination of whether the control valve 4 is leaking. By installing the third flow meter 420 within the brine injection channel 410, the flow rate within the channel can be monitored in real time and fed back to the control component 900. This, in conjunction with the drive mechanism 800, drives the piston 600 to move. The control component 900, based on the flow data fed back by the third flow meter 420, controls the drive mechanism 800 to move the piston 600 to the corresponding position, thereby increasing or decreasing the flow rate within the brine injection channel 410 to ensure the flow rate remains within the expected range, achieving full regeneration. In addition, by moving the piston 600 and observing the changes in the flow data fed back by the third flow meter 420, it is possible to determine whether there is a leak at the brine injection connector 400, and to provide timely feedback when a leak is detected, thus achieving an early warning effect.

[0054] Specifically, in this embodiment, by electrically connecting the drive mechanism 800 and the control component 900, the control component 900 can send an action signal to the drive mechanism 800. At this time, the drive mechanism 800 can correspondingly drive the piston 600 to move to the corresponding position within the inner cavity 110, so that the control valve 4 is in the corresponding control position, and the water treatment device enters the corresponding working mode. The drive mechanism 800 can be a motor. A third flow meter 420 is installed in the brine suction and water injection channel 410 of the brine suction and water injection connector 400. The third flow meter 420 is electrically connected to the control component 900, so that the control component 900 can obtain the flow information in the brine suction and water injection channel 410. The control component 900 presets the flow range in the brine suction and water injection channel 410 during brine suction and water injection. At this time, the third flow meter 420 can more accurately monitor the actual flow data in the brine suction and water injection channel 410 in real time during the brine suction or water injection process. The control component 900 receives the flow data and compares it with the preset flow range. If it is not within the preset flow range, the control component 900 sends an action command to the drive mechanism 800. The drive mechanism 800 actuates and drives the piston 600 to move accordingly in the inner cavity to adjust and stabilize the actual flow data within the preset flow range, thereby achieving a better regeneration effect.

[0055] It should be noted that, in this embodiment, the third flow meter 420's real-time detection of the actual flow data in the brine suction and water injection channel 410 can not only be used to adjust the corresponding brine suction or water injection flow rate, but also to determine whether the brine suction or water injection is normal based on the changes in the actual flow data in the brine suction and water injection channel 410 after the piston 600 is adjusted. When a fault occurs in the brine suction and water injection process, such as blockage or leakage in the brine suction and water injection channel 410 or a brine pump malfunction causing abnormal flow, the control component 900 can detect these problems in a timely manner. For example, if the brine suction and water injection channel 410 becomes blocked, the third flow meter 420 will detect a sharp drop in flow rate or even zero, and the control component 900 can immediately issue an alarm to remind the user to carry out maintenance, avoiding problems such as substandard water softening or equipment damage caused by abnormal brine suction and water injection.

[0056] Therefore, this embodiment of the application directly sets a third flow meter 420 at the brine and water injection connector 400 to detect the flow rate from the source of brine and water injection. It can also directly determine whether the control valve 4 is leaking, thereby enhancing the fault detection capability of the brine and water injection process and optimizing the control of the entire water treatment process.

[0057] like Figures 1-2 and Figure 5 As shown, in some embodiments, the control valve 4 further includes a drain connector 500 and a fourth flow meter 520. The drain connector 500 is connected to the valve body 100 and has a drain channel 510 that communicates with the inner cavity 110. The fourth flow meter 520 is disposed in the drain channel 510 and is electrically connected to the control component 900.

[0058] In this embodiment, the control component 900 has a preset sewage discharge flow range. By installing a fourth flow meter 520 in the sewage discharge channel 510 of the sewage discharge connector 500, the liquid flow rate in the sewage discharge channel 510 can be detected in real time. The control component 900 can determine whether the sewage discharge is normal by acquiring the flow data collected by the fourth flow meter 520. If the flow data collected by the fourth flow meter 520 is not within the preset sewage discharge flow range, the control component 900 sends a command to the drive mechanism 800, which drives the piston 600 to move, thereby adjusting the flow rate in the sewage discharge channel 510 to reach the preset range, thus ensuring the regeneration treatment effect in the treatment tank.

[0059] It should be noted that this application measures the salt intake flow rate by setting a third flow meter 420 at the brine intake and water injection connector 400 and a fourth flow meter 520 at the sewage discharge connector 500. The control component 900 controls the drive mechanism 800 to adjust the position of the piston 600 by acquiring the values ​​of the third flow meter 420 and the fourth flow meter 520, so as to adjust the actual salt intake and sewage discharge flow rates to the preset range and achieve a better regeneration effect.

[0060] In some embodiments, the control valve further includes an inlet connector 200, an outlet connector 300, a first flow meter 220, and a second flow meter 320. The inlet connector 200 is connected to the valve body 100 and has an inlet channel 210 that communicates with the inner cavity 110. The outlet connector 300 is connected to the valve body 100 and has an outlet channel 310 that communicates with the inner cavity 110. The first flow meter 220 is disposed in the inlet channel 210 and is electrically connected to the control component 900. The second flow meter 320 is disposed in the outlet channel 310 and is electrically connected to the control component 900.

[0061] In this embodiment, a first flow meter 220 is installed in the inlet channel 210, and a second flow meter 320 is installed in the outlet channel 310. The control component 900 is electrically connected to the first and second flow meters 220 and 320 to acquire their flow information in real time, which is used to determine whether the water inlet and outlet of the control valve are normal. When the control valve is in operation, i.e., the treatment tank is treating the raw water, the flow information from the first and second flow meters 220 can be used to determine whether the control valve is supplying water normally and whether there is a leak, and to determine whether the leak is at the outlet connector 300 or the inlet connector 200. This allows the control component 900 to issue timely warnings and minimize losses.

[0062] It should be noted that this application achieves multi-point flow detection by setting flow meters in the inlet channel 210 and outlet channel 310 respectively. This allows for simultaneous monitoring of the water flow in both channels, enabling multi-point flow monitoring. The control component 900 has preset inlet and outlet flow ranges. By detecting the flow in the outlet channel 310 and inlet channel 210, it determines whether the inlet and outlet flow rates are within the preset ranges, i.e., whether the piston 600 has reached its designated position. If not, the corresponding control drive mechanism 800 moves the piston 600 to ensure a better water treatment effect. Simultaneously, it ensures that the water flow meets the requirements of the corresponding stage when the control valve switches between different operating states (such as water production and water injection), which helps improve the operating efficiency and treatment effect of water treatment, ensuring that water treatment work can proceed in an orderly manner as expected.

[0063] Specifically, in this embodiment, the valve body 100 has an inner cavity 110, which is connected to both the inlet channel 210 and the outlet channel 310. Of course, in some states, the inner cavity 110 may only be connected to one of the inlet channel 210 and the outlet channel 310; in other states, it may be connected to both simultaneously, for example, when the control valve is in operation, water enters through the inlet channel 210 for water treatment, and softened water flows out through the outlet channel 310. By installing a first flow meter 220 in the inlet channel 210 of the inlet connector 200 and a second flow meter 320 in the outlet channel 310 of the outlet connector 300, the flow rate of water entering and leaving the valve body 100 can be monitored in real time. This helps to understand whether the control valve is operating normally, such as whether there is an abnormally low or high flow rate, and thus to determine whether there are problems such as blockage or leakage.

[0064] Understandably, since the control component 900 is electrically connected to both the first flow meter 220 and the second flow meter 320, it can perform comparative analysis based on preset normal flow ranges and other parameters using the flow data fed back from the flow meters. Specifically, if the initial flow rate is outside the preset range, the piston 600 position is adjusted accordingly to reach the preset range. Simultaneously, the flow rates in the outlet channel 310 and inlet channel 210 are monitored in real time during the control valve's operation. If the flow rate exceeds the normal range, a potential problem with the control valve can be identified, and a corresponding warning signal can be issued. This effectively prevents water supply interruptions due to control valve malfunctions, ensuring the continuous and stable operation of the water treatment device and improving the reliability of the entire water system.

[0065] It should be noted that the first flow meter 220, the second flow meter 320, the third flow meter 420, the fourth flow meter 520 and the drive mechanism 800 can be connected to the control component 900 through wires to ensure the accuracy of data transmission.

[0066] It should also be noted that by connecting the third flow meter 420, the first flow meter 220, and the second flow meter 320 to the control component 900, the operating status of the control valve 4 can be comprehensively monitored simultaneously from the three key channels of liquid inlet, liquid outlet, and brine / water injection. During the switching of the control valve 4 between different operating states, the control component 900 can more accurately coordinate the liquid flow at each stage based on the feedback data from the three flow meters, achieving better water treatment and brine / water injection effects. Simultaneously, the flow data from the three flow meters can more accurately determine whether the control valve 4 is leaking, and if so, pinpoint the specific location of the leak.

[0067] It should be noted that this application optimizes the overall performance of control valve 4 by controlling the flow rate at multiple stages, from liquid inlet and outlet to brine injection and sewage discharge. Flow monitoring data from each stage is fed back to the control component 900, enabling closed-loop feedback and control of the flow rate in each channel of control valve 4. This ensures that control valve 4 can promptly adjust the position of piston 600 to achieve the desired effect, ensuring that the flow rate data in each channel remains within the expected range. Therefore, throughout the entire water treatment system's operation cycle, control component 900 can better coordinate the operation at each stage based on this comprehensive data.

[0068] like Figures 1-3 As shown, in some embodiments, the control valve 4 further includes a first connector 230, a second connector 330, a third connector 430, and a fourth connector 530. The first connector 230 is connected to the inlet connector 200 and has a first channel 231 communicating with the inlet channel 210. A first flow meter 220 passes through the first channel 231 and extends into the inlet channel 210, and the first flow meter 220 is sealed to the inner wall of the first connector 230. The second connector 330 is connected to the outlet connector 300 and has a second channel 331 communicating with the outlet channel 310. A second flow meter 320 passes through the second channel 331 and extends into the outlet channel 310, and the second flow meter 320 is sealed to the inner wall of the second connector 330. The third connector 430 is connected to the brine suction and water injection connector 400. The third connector 430 has a third channel 431, which communicates with the brine suction and water injection channel 410. The third flow meter 420 passes through the third channel 431 and extends into the brine suction and water injection channel 410, and is sealed to the inner wall of the third connector 430. The fourth connector 530 is connected to the sewage discharge connector 500. The fourth connector 530 has a fourth channel 531, which communicates with the sewage discharge channel 510. The fourth flow meter 520 passes through the fourth channel 531 and extends into the sewage discharge channel 510, and is sealed to the inner wall of the fourth connector 530.

[0069] In this embodiment, the first connector 230 is used to connect the first flow meter 220, the second connector 330 is used to connect the second flow meter 320, the third connector 430 is used to connect the third flow meter 420, and the fourth connector 530 is used to connect the fourth flow meter 520. This facilitates the rapid installation of the flow meters and allows for quick disassembly and replacement in case of problems, improving the efficiency of flow meter installation and removal. Furthermore, by sealing the first flow meter 220, the second flow meter 320, the third flow meter 420, and the fourth flow meter 520 within the first channel 231, the stability of the flow meter fixation is improved, ensuring and facilitating the installation and positioning of the flow meters. Simultaneously, after the flow meters are installed, the overall airtightness of the control valve 4 is guaranteed.

[0070] like Figures 1-2 As shown, in some embodiments, the control valve 4 further includes a first clamping cover 240, a second clamping cover 340, a third clamping cover 440, and a fourth clamping cover 540. The first clamping cover 240 is fixedly connected to the first connector 230 and abuts against the first flow meter 220. The second clamping cover 340 is fixedly connected to the second connector 330 and abuts against the second flow meter 320. The third clamping cover 440 is fixedly connected to the third connector 430 and abuts against the third flow meter 420. The fourth clamping cover 540 is fixedly connected to the fourth connector 530 and abuts against the fourth flow meter 520.

[0071] In this embodiment, the first clamping cover 240, the second clamping cover 340, the third clamping cover 440, and the fourth clamping cover 540 are fixedly connected to the corresponding connectors and abut against the corresponding flow meters. This strengthens the fixation and stability of the flow meters, preventing displacement and maintaining the airtightness of the control valve 4 after the flow meters are installed. It also reduces the possibility of the flow meters being forced out of the channel due to excessive internal pressure in the control valve 4, thereby ensuring the overall stability of the control valve 4, reducing the risk of damage to the control valve 4, and improving the service life of the flow meters.

[0072] like Figures 1-2 As shown, in some embodiments, the first clamping cover 240 has a first through hole 241 through which the wiring harness of the first flow meter 220 passes; the second clamping cover 340 has a second through hole 341 through which the wiring harness of the second flow meter 320 passes; the third clamping cover 440 has a third through hole 441 through which the wiring harness of the third flow meter 420 passes; and the fourth clamping cover 540 has a fourth through hole 541 through which the wiring harness of the fourth flow meter 520 passes.

[0073] In this embodiment of the application, by providing a through hole on the clamping cover, the flow meter wire can be smoothly led out while ensuring that the clamping cover is pressed into the channel, so as to facilitate the electrical connection between the flow meter and the control component 900.

[0074] like Figures 1-2 As shown, in some embodiments, the first clamping cover 240 is threaded to the first connector 230, the second clamping cover 340 is threaded to the second connector 330, the third clamping cover 440 is threaded to the third connector 430, and the fourth clamping cover 540 is threaded to the fourth connector 530.

[0075] In this embodiment of the application, by setting the clamping cover and the connector threaded connection, it is convenient to install and remove the clamping cover, and on the other hand, it can help absorb the assembly error and size error of the flow meter installed in the channel while ensuring the connection is stable.

[0076] like Figure 4 As shown, in some embodiments, the control valve 4 further includes a grille 700, which is disposed within the valve body 100 and sealed to the inner wall of the valve body 100. The grille 700 is arranged around the outer periphery of the piston 600 and is used to divide the inner cavity 110 into multiple chambers 111. The inlet channel 210, the outlet channel 310, the brine injection channel 410, and the drain channel 510 are respectively connected to the corresponding chambers 111. The piston 600 can move within the inner cavity 110 along the axial direction of the piston 600 to open or close the passages between the multiple chambers and the inlet channel 210, the outlet channel 310, the brine injection channel 410, and the drain channel 510.

[0077] In this embodiment, the inner cavity 110 is divided into multiple chambers 111 by setting a grid 700, which facilitates the communication of multiple channels with their respective chambers 111. Combined with the movement of the piston 600, different channel communication methods can be achieved, thus enabling the control valve 4 to have different flow path switching functions, thereby reaching different operating positions and achieving different functions. Simultaneously, through flow meter feedback, the relative positional relationship between the piston 600 and each grid is adjusted in a timely manner, allowing for timely and accurate control of the flow rate in the passage between each channel and its corresponding chamber, thereby controlling the flow rate of each channel accordingly.

[0078] The following description, based on the specific working state of the control valve 4, will focus on the control valve 4 of this application embodiment, which is equipped with flow meters in the inlet channel 210, outlet channel 310, brine injection channel 410, and sewage discharge channel 510.

[0079] When control valve 4 is in the salt suction state, the third flow meter 420 measures the salt suction flow rate in the salt suction water injection channel 410, and the fourth flow meter 520 measures the sewage discharge flow rate in the sewage discharge channel 510. The control component 900 controls the drive mechanism 800 to adjust the position of piston 600 based on the values ​​of salt suction flow rate and sewage discharge flow rate, so as to stabilize the actual salt suction value within the set value range. By measuring the change in salt suction flow rate, it is determined whether the salt suction of control valve 4 is normal.

[0080] When the control valve 4 is in the water injection state, the third flow meter 420 measures the water injection flow in the brine injection channel 410. When the water injection value set on the control component 900 is reached, the water injection is closed to precisely control the water injection volume. By observing the change in the water injection flow, it is determined whether the water injection of the control valve 4 is normal.

[0081] When control valve 4 is in operation, there should be no water flow through the sewage discharge channel 510 and the brine injection channel 410. If the control component 900 detects flow values ​​in the fourth flow meter 520 and the third flow meter 420, it is determined that control valve 4 is leaking.

[0082] When the control valve 4 is in the forward or reverse washing state, the control component 900 monitors the flow value of the fourth flow meter 520. When the discharge value is too low, the drive mechanism 800 adjusts the position of the piston 600 to stabilize the discharge value within the set value range.

[0083] Additionally, it should be noted that the preceding steps involved determining whether control valve 4 was within its normal operating range during operation. This was achieved by adjusting the position of piston 600, combined with the flow rate feedback from the flow meter, to adjust piston 600 to the appropriate position to achieve the expected flow range for each channel. Simultaneously, it also allowed for checking for leaks near the joints of control valve 4, ensuring that control valve 4 achieved its intended working effect and guaranteeing water safety. In this embodiment, a first flow meter 220 can be used to measure the total water volume of the inlet channel 210, a fourth flow meter 520 to measure the total sewage discharge volume of the sewage discharge channel 510, and a third flow meter 420 to measure the total water consumption of the brine suction and water injection channels. In this case, the actual water production value is calculated by subtracting the total sewage discharge volume from the total inlet water volume, and then subtracting the total water consumption of the brine suction and water injection channels. Comparing the actual water production value with the outlet water value measured by the second flow meter 320 allows for determination of whether control valve 4 is functioning correctly over a given water treatment period.

[0084] Meanwhile, during the use of control valve 4, control component 900 monitors the flow rates of inlet channel 210, outlet channel 310, brine injection channel 410, and sewage discharge channel 510, compares them with the preset flow range values, and after eliminating the influence of water pressure, judges the difference between the actual value and the preset range value. If a significant difference occurs, it can promptly remind the user (e.g., by setting a buzzer alarm in control component 900) to check control valve 4 to avoid the risk of sudden water failure.

[0085] This application embodiment uses various flow meters to determine whether the control valve is working properly and whether there is leakage, enabling timely feedback and early warning, and reducing the possibility of water interruption.

[0086] Accordingly, a water treatment device according to an embodiment of this application includes a treatment tank 1, a salt tank 2, a salt suction pipe 3, and a control valve 4 as described in any of the foregoing embodiments. The treatment tank 1 is connected to the control valve 4, and the salt suction pipe 3 is connected to the control valve 4 and is disposed in the salt tank 2.

[0087] It is understood that the water treatment device in this application embodiment includes all the technical features and effects of the aforementioned control valve, and will not be repeated here.

[0088] The water treatment device can be any type of water softener, specifically such as... Figure 6 The structure shown.

[0089] Accordingly, a water treatment system according to the embodiments of this application includes a control valve as described in any of the foregoing embodiments, or a water treatment device as described in the foregoing embodiments.

[0090] It is understood that the water treatment system of this application embodiment includes all the technical features and effects of the aforementioned control valve or the aforementioned water treatment device, and will not be repeated here.

[0091] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0092] The control valve, water treatment device, and water treatment system provided in the embodiments of this application have been described in detail above, and specific examples have been used to illustrate the principles and implementation methods of this application. The description of the above embodiments is only for the purpose of helping to understand the technical solutions and core ideas of this application. Those skilled in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A control valve, characterized in that, include: The valve body (100) has an inner cavity (110); A piston (600) is disposed within the inner cavity (110); A drive mechanism (800) is connected to the piston (600) to drive the piston (600) to move within the inner cavity (110); A brine suction and water injection connector (400) is connected to the valve body (100). The brine suction and water injection connector (400) has a brine suction and water injection channel (410), which is connected to the inner cavity (110). The third flow meter (420) is installed in the brine injection channel (410); The control component (900) is electrically connected to the third flow meter (420) and the drive mechanism (800), respectively.

2. The control valve according to claim 1, characterized in that, The control valve (4) also includes: A drain connector (500) is connected to the valve body (100), and the drain connector (500) has a drain channel (510) that communicates with the inner cavity (110). A fourth flow meter (520) is installed in the sewage discharge channel (510), and the fourth flow meter (520) is electrically connected to the control component (900).

3. The control valve according to claim 2, characterized in that, The control valve (4) also includes: A liquid inlet connector (200) is connected to the valve body (100), and the liquid inlet connector (200) has a liquid inlet channel (210) that communicates with the inner cavity (110); A liquid outlet connector (300) is connected to the valve body (100), and the liquid outlet connector (300) has a liquid outlet channel (310) that communicates with the inner cavity (110); A first flow meter (220) is disposed in the liquid inlet channel (210) and electrically connected to the control component (900); The second flow meter (320) is disposed in the liquid outlet channel (310) and is electrically connected to the control component (900).

4. The control valve according to claim 3, characterized in that, The control valve (4) also includes: A first connector (230) is connected to the liquid inlet connector (200). The first connector (230) has a first channel (231) that communicates with the liquid inlet channel (210). A first flow meter (220) passes through the first channel (231) and extends into the liquid inlet channel (210). The first flow meter (220) is sealed to the inner wall of the first connector (230). The second connector (330) is connected to the liquid outlet connector (300). The second connector (330) has a second channel (331) that communicates with the liquid outlet channel (310). The second flow meter (320) passes through the second channel (331) and extends into the liquid outlet channel (310). The second flow meter (320) is sealed to the inner wall of the second connector (330). A third connector (430) is connected to the brine-injection connector (400). The third connector (430) has a third channel (431) that communicates with the brine-injection channel (410). A third flow meter (420) passes through the third channel (431) and extends into the brine-injection channel (410). The third flow meter (420) is sealed to the inner wall of the third connector (430). A fourth connector (530) is connected to the drain connector (500). The fourth connector (530) has a fourth channel (531) that communicates with the drain channel (510). A fourth flow meter (520) passes through the fourth channel (531) and extends into the drain channel (510). The fourth flow meter (520) is sealed to the inner wall of the fourth connector (530).

5. The control valve according to claim 4, characterized in that, The control valve (4) also includes: The first clamping cover (240) is fixedly connected to the first connector (230), and the first clamping cover (240) abuts against the first flow meter (220); The second clamping cover (340) is fixedly connected to the second connector (330), and the second clamping cover (340) abuts against the second flow meter (320); The third clamping cover (440) is fixedly connected to the third connector (430), and the third clamping cover (440) abuts against the third flow meter (420); The fourth clamping cover (540) is fixedly connected to the fourth connector (530), and the fourth clamping cover (540) abuts against the fourth flow meter (520).

6. The control valve according to claim 5, characterized in that, The first clamping cap (240) has a first through hole (241), through which the wiring harness of the first flow meter (220) passes; The second clamping cap (340) has a second through hole (341), through which the wiring harness of the second flow meter (320) passes; The third clamping cover (440) has a third through hole (441), through which the wiring harness of the third flow meter (420) passes; The fourth clamping cover (540) has a fourth through hole (541), through which the wiring harness of the fourth flow meter (520) passes.

7. The control valve according to claim 5, characterized in that, The first clamping cover (240) is threaded to the first connector (230), the second clamping cover (340) is threaded to the second connector (330), the third clamping cover (440) is threaded to the third connector (430), and the fourth clamping cover (540) is threaded to the fourth connector (530).

8. The control valve according to claim 3, characterized in that, The control valve (4) further includes multiple grilles (700), which are disposed inside the valve body (100) and sealed to the inner wall of the valve body (100). The grilles (700) are arranged around the outer periphery of the piston (600) and are used to divide the inner cavity (110) into multiple chambers (111). The inlet channel (210), the outlet channel (310), the brine injection channel (410), and the drain channel (510) are respectively connected to the corresponding chambers (111). Along the axial direction of the piston (600), the piston (600) can move within the inner cavity (110) to open or close the passages between the multiple chambers (111) and the inlet channel (210), the outlet channel (310), the brine injection channel (410), and the drain channel (510).

9. A water treatment device, characterized in that, It includes a processing tank (1), a salt tank (2), a salt suction pipe (3), and a control valve (4) as described in any one of claims 1-8. The processing tank (1) is connected to the control valve (4), and the salt suction pipe (3) is connected to the control valve (4) and is disposed inside the salt tank (2).

10. A water treatment system, characterized in that, Includes the control valve (4) as described in any one of claims 1-8, or the water treatment device as described in claim 9.

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