A water treatment system, method, apparatus, storage medium, and electronic device

Abstract

Some embodiments of the present application provide a water treatment system, method, device, storage medium and electronic device. The method comprises: a second controller applied to a water treatment system, the method comprising: closing a backwater tank valve of a pure water tank in the water treatment device; opening an electromagnetic valve in the water treatment device for conveying first product water generated by a first reverse osmosis device to a conveying pipeline, and opening a discharge valve of the pure water tank, and opening an electric valve for shunting treatment of concentrated water generated by the first reverse osmosis device; obtaining water production pressure of the first product water generated by the first reverse osmosis device, and determining whether to adjust an opening angle of the electric valve based on the water production pressure, so as to stabilize the water treatment device to work and produce water. Some embodiments of the present application can ensure normal water production of the water treatment device when one controller is abnormal, and avoid the risk of delaying treatment of a patient.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of water treatment, in particular to a water treatment system, method, device, storage medium and electronic device. BACKGROUND

[0002] Because the water for hemodialysis and related treatments has very high requirements on water quality, it is particularly important to perform multi-level processing on a water source to obtain water meeting the requirements.

[0003] At present, when soft water is processed, a water treatment device generally takes a reverse osmosis membrane of a reverse osmosis device as a basis, is equipped with a corresponding power source, and under suitable reverse osmosis pressure, removes ions and bacteria through multi-level filtration, so that the water quality meets the standard of water for hemodialysis. The reverse osmosis device of the water treatment device is generally divided into a normal working mode and an emergency working mode, and different working modes are controlled by the same controller. When the controller is abnormal, the normal working mode and the emergency working mode cannot be realized, water cannot be produced, and the risk of delaying treatment of a patient occurs.

[0004] Therefore, how to provide a technical solution of a safe and reliable water treatment system becomes a technical problem to be solved urgently. SUMMARY

[0005] Some embodiments of the present application aim to provide a water treatment system, method, device, storage medium and electronic device. Through the technical solution of the embodiments of the present application, it can be ensured that the water treatment device can normally produce water, the water production is safe and reliable, and the risk of delaying treatment of a patient is avoided.

[0006] In a first aspect, some embodiments of the present application provide a water treatment system, comprising: a first controller, a second controller, and a water treatment device, the first controller is configured to control the water treatment device to be in a first water production mode or a second water production mode, the second controller is configured to control the water treatment device to be in the second water production mode, wherein the first controller is configured to control an electromagnetic valve in the water treatment device to be opened or closed to deliver first product water generated by a first reverse osmosis device to a delivery pipeline, so that the water treatment device is in the first water production mode or the second water production mode; the second controller is configured to open the electromagnetic valve when the first controller is abnormal; the water treatment device is configured to input softened water to the first reverse osmosis device to obtain the first product water, and input the first product water to a second reverse osmosis device to obtain second product water, wherein the second product water is configured to be used by a target object through the delivery pipeline, and a remaining amount of the second product water except for the use by the target object is returned to a pure water tank; or the water treatment device is configured to pass the softened water through the first reverse osmosis device to obtain the first product water, wherein the first product water is configured to be used by the target object through the delivery pipeline, and a remaining amount of the first product water except for the use by the target object is discharged through a discharge port of the pure water tank.

[0007] Some embodiments of the present application provide a water treatment system, comprising a first controller, a second controller, and a water treatment device. When the first controller is powered off due to a failure, the second controller can control the water treatment device to perform emergency water production, thereby ensuring that the water treatment device can normally produce water, ensuring water production safety, and avoiding the risk of delaying treatment of a patient.

[0008] In a second aspect, some embodiments of the present application provide a water treatment method, comprising: a second controller applied to a water treatment system, the water treatment system further comprising a first controller and a water treatment device, the first controller is configured to control the water treatment device to be in a first water production mode or a second water production mode, the second controller is configured to control the water treatment device to be in the second water production mode, when the second water production mode is opened, the method comprises: closing a return tank valve of a pure water tank in the water treatment device; opening an electromagnetic valve in the water treatment device to deliver first product water generated by a first reverse osmosis device to a delivery pipeline, and opening a discharge valve of the pure water tank, and opening an electric valve for shunting treatment of concentrated water generated by the first reverse osmosis device; obtaining a water production pressure of the first product water generated by the first reverse osmosis device, and determining whether to adjust an opening angle of the electric valve based on the water production pressure, so that the water treatment device stably works to produce water.

[0009] Some embodiments of the present application can make the water treatment device work in a stable water production mode by closing and opening the corresponding valves and adjusting the opening angle of the electric valve based on the water production pressure when the second water production mode is in operation. The water treatment device can be controlled to produce water in an emergency, thereby ensuring that the water treatment device can produce water normally, and the water production is safe and reliable, avoiding the risk of delaying treatment of the patient.

[0010] In some embodiments, the primary reverse osmosis device includes a primary high-pressure pump and a primary reverse osmosis membrane, and the working frequency of the primary high-pressure pump is a set value.

[0011] Some embodiments of the present application ensure that the water treatment device works stably by setting the working frequency of the primary high-pressure pump to a constant frequency.

[0012] In some embodiments, the water treatment device further includes a secondary reverse osmosis device, and the electromagnetic valve is located between the primary reverse osmosis device and the secondary reverse osmosis device, and the opening or closing of the electromagnetic valve is used to control the flow direction of the primary product water to the delivery pipeline or the secondary reverse osmosis device.

[0013] Some embodiments of the present application can control the flow direction of the primary product water by using the electromagnetic valve, so that the water treatment device can produce water in an emergency in the second water production mode.

[0014] In some embodiments, the electric valve includes a backwater valve and a discharge valve, and the obtaining of the water production pressure of the primary product water produced by the primary reverse osmosis device and the determination of whether to adjust the opening angle of the electric valve based on the water production pressure include: detecting the water production pressure and the discharge amount of the concentrated water at the same time; and determining whether to adjust the opening angle of the backwater valve and the opening angle of the discharge valve based on the water production pressure and the discharge amount.

[0015] Some embodiments of the present application can determine whether to adjust the backwater valve and the discharge valve based on the water production pressure and the discharge amount of the concentrated water, and ensure that the water treatment device works stably under the control of the second controller.

[0016] In some embodiments, the determining whether to adjust the opening angle of the backwater valve and the opening angle of the drain valve based on the water production pressure and the discharge amount comprises: if the water production pressure is greater than a pressure setting value, increasing the opening angle of the backwater valve and the opening angle of the drain valve by a preset angle value; if the water production pressure is equal to the pressure setting value and the discharge amount is greater than a set discharge value, not adjusting the opening angle of the backwater valve and the opening angle of the drain valve; if the water production pressure is less than the pressure setting value and the discharge amount is greater than the set discharge value, reducing the opening angle of the drain valve by the preset angle value; if the water production pressure is less than the pressure setting value and the discharge amount is equal to the set discharge value, not adjusting the opening angle of the drain valve and starting the adjustment process of the backwater valve, wherein the adjustment process represents a process of cyclically reducing the opening angle of the backwater valve by the preset angle value; and the method further comprises: detecting the inlet pressure of the first RO device during the adjustment process of the backwater valve; and stopping the adjustment of the opening angle of the backwater valve when the inlet pressure is equal to a pressure alarm value.

[0017] Some embodiments of the present application can ensure stable water production of the water treatment device under the control of the second controller by adjusting the opening angles of the backwater valve and the drain valve in different situations.

[0018] In some embodiments, the method further comprises: detecting the conductivity value of the water treatment device, and generating an alarm signal if the conductivity value does not meet a preset condition.

[0019] Some embodiments of the present application can ensure safe and stable operation of the water treatment device under the control of the second controller by detecting the conductivity value of the water treatment device, and generating an alarm signal if the conductivity value does not meet a preset condition.

[0020] In some embodiments, before the second water production mode is started, the method further comprises: monitoring the target parameter calculation result of the first controller and the state of the normally closed contact; and if the target parameter calculation result is incorrect and the state of the normally closed contact is abnormal, determining that the first controller is faulty and outputting a prompt information, wherein the prompt information is used to remind the staff to start the second controller.

[0021] Some embodiments of the present application can ensure stable operation of the second water production mode, realize safe emergency water production, and avoid the risk of delaying treatment of patients by monitoring the target parameter calculation result of the first controller and the state of the normally closed contact and notifying the staff of the prompt information that the first controller has a problem and the second controller needs to be started in the abnormal situation.

[0022] In a third aspect, some embodiments of the present application provide a water treatment device, comprising: a closing module configured to close a backwater tank valve of a pure water tank in the water treatment device; an opening module configured to open an electromagnetic valve configured to transport first product water generated by a first reverse osmosis device to a delivery pipeline and a discharge valve of the pure water tank in the water treatment device, and open an electric valve configured to shunt treatment of concentrated water generated by the first reverse osmosis device; and an adjusting module configured to acquire water production pressure of the first product water generated by the first reverse osmosis device, and determine whether to adjust an opening angle of the electric valve based on the water production pressure, so as to stabilize water production of the water treatment device.

[0023] In a fourth aspect, some embodiments of the present application provide a computer readable storage medium having stored thereon a computer program, which, when executed by a processor, can implement the method according to any one of the embodiments of the first aspect.

[0024] In a fifth aspect, some embodiments of the present application provide an electronic device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor, when executing the program, can implement the method according to any one of the embodiments of the first aspect.

[0025] In a sixth aspect, some embodiments of the present application provide a computer program product, comprising a computer program, wherein the computer program, when executed by a processor, can implement the method according to any one of the embodiments of the first aspect. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of some embodiments of the present application, the following will briefly introduce the drawings needed to be used in some embodiments of the present application. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0027] Figure 1 A water treatment system diagram provided for some embodiments of the present application;

[0028] Figure 2 A structural schematic diagram of a water treatment device provided for some embodiments of the present application;

[0029] Figure 3 A water treatment method flowchart provided for some embodiments of the present application;

[0030] Figure 4 A PLC structural schematic diagram provided for some embodiments of the present application;

[0031] Figure 5 A water treatment circuit structure schematic diagram provided for some embodiments of the present application;

[0032] Figure 6 A control circuit structure schematic diagram provided for some embodiments of the present application;

[0033] Figure 7 A control circuit structure schematic diagram provided for some embodiments of the present application;

[0034] Figure 8 A control circuit structure schematic diagram provided for some embodiments of the present application;

[0035] Figure 9 A control circuit structure schematic diagram provided for some embodiments of the present application;

[0036] Figure 10 A water treatment device composition block diagram provided for some embodiments of the present application;

[0037] Figure 11 An electronic device schematic diagram provided for some embodiments of the present application. DETAILED DESCRIPTION

[0038] The technical solutions in the embodiments of the present application will be described below with reference to the drawings.

[0039] It should be noted that similar reference numerals and letters refer to similar items in the following drawings, and therefore, once an item is defined in one drawing, it need not be further defined and explained in subsequent drawings. Meanwhile, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0040] In the related art, the water treatment equipment for hemodialysis and related treatment includes all devices, pipelines and accessories between the connection point of the municipal (including self-taken) drinking water source into the equipment and the water use point of the water equipment, including: electrical system, water purification system, conveying pipeline and disinfection system, etc. The water supply mode of the water treatment equipment for hemodialysis and related treatment is a direct water supply mode. The water treatment related equipment treatment process part includes: tank filter (for example, multi-medium filter), softener, carbon adsorption tank (for example, activated carbon filter), filter core filter (for example, precision filter), double-stage reverse osmosis device, power device, monitoring device, conveying pipeline and heat disinfection device. The working principle is: based on the reverse osmosis membrane, equipped with corresponding power source, under the suitable reverse osmosis pressure, through multi-level filtration, ion and bacteria removal, so that the product water quality reaches the standard of hemodialysis water. The general reverse osmosis device has normal and emergency two working modes. The normal and emergency operation modes of the reverse osmosis device can directly provide treated water to the use point. The normal and emergency working modes of the reverse osmosis device are controlled under the control of the CPU (Central Processing Unit, central processor) programmable controller connected with the water treatment equipment. The programmable logic controller PLC can automatically integrate to ensure the smooth operation of the water treatment equipment according to the collected information.

[0041] When the water treatment equipment works normally, the program in the PLC automatically adjusts the working state of the first-stage and second-stage reverse osmosis devices: first-stage and second-stage simultaneous working state or first-stage stop and second-stage independent working state. In the normal working state, the municipal water passes through the pretreatment system (tank filter (multi-medium filter), softener, carbon adsorption tank (activated carbon filter), filter core filter (precision filter)) to remove coarse impurities, residual chlorine and organic matter, hardness; enters the first-stage reverse osmosis device, the first-stage high-pressure pump generates the pressure required for the first-stage reverse osmosis membrane to work, and produces the first-stage product water, while the concentrated water discharged by the first-stage reverse osmosis membrane is discharged out of the water treatment equipment, and this process removes 98% of the ions in the water. The first-stage product water is used as the feed water of the second-stage, the second-stage high-pressure pump generates the pressure required for the second-stage reverse osmosis membrane, and produces the equipment product water (also called second-stage product water). The concentrated water discharged by the second-stage reverse osmosis membrane returns to the inlet of the first-stage high-pressure pump and enters the first-stage high-pressure pump after mixing with the water, and this process removes more than 70% of the ions. The second-stage product water is directly supplied to the dialysis liquid preparation water for hemodialysis and other blood purification treatment in the hospital. When the water treatment equipment works in emergency, it can be divided into first-stage independent working state and second-stage independent working state. If it is judged that the second-stage part has a fault, the first-stage independent running can be selected on the touch screen interface, only the first-stage part works to produce water in emergency; if it is judged that the first-stage part has a fault, the second-stage independent running can be selected on the touch screen interface, only the second-stage part works to produce water in emergency.

[0042] However, the normal operation and emergency operation of the water treatment equipment are automatically executed under the control of the same PLC. When the PLC fails to work, the normal and emergency water production modes cannot be realized, the water treatment equipment cannot produce water, and the hospital cannot be provided with water meeting the requirements, which is likely to delay the treatment of patients. According to the related technology, the water treatment method in the prior art has the unsafe condition of being unable to produce water, which is not conducive to providing a direct water supply mode for hemodialysis and related treatment water.

[0043] In view of this, some embodiments of the present application provide a water treatment system, which comprises a first controller, a second controller and a water treatment equipment. The first controller and the second controller can control the water treatment equipment respectively. When the first controller abnormally works, the second controller starts to work, so as to avoid the unsafe condition of being unable to produce water, and can provide a reliable direct water supply mode for hemodialysis and related treatment water.

[0044] The overall structure of the water treatment system provided by some embodiments of the present application will be described below with reference to the accompanying drawings. Figure 1 The overall structure of the water treatment system provided by some embodiments of the present application will be described below with reference to the accompanying drawings.

[0045] As shown in the accompanying drawings, Figure 1 Some embodiments of the present application provide a water treatment system, which comprises a first controller 100, a second controller 200, an emergency circuit breaker QF1-1 and a water treatment equipment 300. The first controller 100 and the second controller 200 work independently. When the first controller 100 is turned on, the second controller 200 is in a closed state, and the water treatment equipment 300 is in a normal water production mode (as a specific example of the first water production mode). When the first controller 100 is turned off, the second controller 200 is in an open state, and the water treatment equipment 300 is in an emergency water production mode (as a specific example of the second water production mode). The states of the first controller 100 and the second controller 200 can be controlled according to the opening or closing of the emergency circuit breaker QF1-1. When the emergency circuit breaker QF1-1 is in a closed state, the first controller 100 is in an open state, and the second controller 200 is in a monitoring state. When the emergency circuit breaker QF1-1 is in an open state, the first controller 100 is in a closed state, and the second controller 200 is in an open state.

[0046] In some embodiments of the present application, the first controller 100 and the second controller 200 can be PLCs, and the models of the PLCs can be selected according to actual conditions, which are not specifically limited in the embodiments of the present application.

[0047] The functions of the units in some embodiments of the present application will be described below. Figure 1

[0048] ​In some embodiments of the present application, the first controller 100 is configured to control the opening or closing of a solenoid valve for conveying the first product water generated by the first reverse osmosis device to the conveying pipeline, so as to put the water treatment device into the first water production mode or the second water production mode.

[0049] For example, in some embodiments of the present application, for the convenience of understanding, the simple structure diagram of the water treatment device 300 in Figure 2 For example, in some embodiments of the present application, for the convenience of understanding, the simple structure diagram of the water treatment device 300 in Figure 2 The water treatment device 300 in some embodiments of the present application includes a first high-pressure pump 210, a first reverse osmosis membrane 220, a second high-pressure pump 230, a second reverse osmosis membrane 240, a conveying pipeline 250 (which can also be referred to as a conveying pipeline), a pure water tank 260, and a water inlet valve SV01, a solenoid valve SV13, a second solenoid valve SV14, a backwater valve GV11, a discharge valve GV12, a backwater tank valve GV23, and a discharge valve SV21 of the pure water tank. During the operation of the first controller 100, the water treatment device 300 is in the normal water production mode at this time, and the first controller 100 can generate a signal to close the solenoid valve SV13, so that the solenoid valve SV13 is in the closed state, preventing the first product water from being directly conveyed to the conveying pipeline 250. In some other embodiments of the present application, the first controller 100 can also open the solenoid valve SV13, so that the water treatment device 300 is in the emergency water production mode. The specific adjustment can be made flexibly according to the actual situation, and the embodiments of the present application are not limited herein.

[0050] In some embodiments of the present application, the water treatment device 300 is configured to input softened water to the first reverse osmosis device to obtain the first product water, and input the first product water to the second reverse osmosis device to obtain second product water, wherein the second product water is used by a target object through the conveying pipeline, and the remaining water amount of the second product water except for the use by the target object is returned to the pure water tank.

[0051] For example, in some embodiments of the present application, during the operation of the first controller 100, the water treatment device 300 is in a normal water production mode. The primary high-pressure pump 210 in the water treatment device 300 can generate the pressure required by the primary reverse osmosis membrane 220, and the primary reverse osmosis membrane 220 processes the softened water to produce primary product water. Then, the secondary high-pressure pump 230 can generate the pressure required by the secondary reverse osmosis membrane 240, and the secondary reverse osmosis membrane 240 processes the primary product water (at this time, the secondary solenoid valve SV14 is in an open state) to obtain the produced secondary product water. Finally, the secondary product water can be supplied to the dialysis machine through the delivery pipeline 250, and the remaining water that is not used by the dialysis machine flows into the pure water tank 260 (at this time, the backwater tank valve GV23 is in an open state). The water in the pure water tank 260 can be returned to the primary reverse osmosis device or the secondary reverse osmosis device for use, playing a role of water circulation, no dead water, and avoiding waste of water resources.

[0052] In some other embodiments of the present application, the second controller 200 is configured to open the solenoid valve when the first controller is abnormal.

[0053] For example, in some embodiments of the present application, when the first controller 100 is in a failure or power-off state, the second controller 200 generates a signal to control the solenoid valve SV13 to be opened, and opens the solenoid valve SV13 when the second controller 200 obtains the start signal through QF1-1.

[0054] In some other embodiments of the present application, the water treatment device 300 is configured to pass the softened water through the primary reverse osmosis device to obtain the primary product water, and discharge the remaining water that is not used by the patient (as a specific example of a target object) through the pure water tank discharge port.

[0055] For example, in some embodiments of the present application, during the operation of the second controller 200, the water treatment device 300 is in an emergency water production mode. The primary high-pressure pump 210 in the water treatment device 300 can generate the pressure required by the primary reverse osmosis membrane 220, and the primary reverse osmosis membrane 220 processes the softened water to produce primary product water. At this time, the solenoid valve SV13 is in an open state, and the primary product water flows into the delivery pipeline 250 to be supplied to the dialysis machine for use by the patient. If the primary product water is not used up by the dialysis machine, the remaining water flows to the pure water tank water discharge port controlled by the discharge valve SV21 of the pure water tank.

[0056] It should be noted that in some embodiments of the present application, the softened water is obtained by pretreating the raw water. The pretreatment can include removing coarse impurities, residual chlorine, organic matter and hardness in the raw water by using a tank filter, a softener, a carbon adsorption tank, and a filter cartridge filter. In actual application, the water treatment device 300 can further include a thermal disinfection device and other control valves, Figure 2 The main working devices of the water treatment device 300 are only taken as examples for illustration. It should be understood that the embodiments of the present application are not limited thereto.

[0057] The following will be described in detail with reference to the accompanying drawings. Figure 2 and the accompanying drawings. Figure 3 The implementation process of the water treatment performed by the second controller 200 according to some embodiments of the present application is described exemplarily.

[0058] Please refer to the accompanying drawings. Figure 2 , Figure 2 A water treatment method flowchart is provided according to some embodiments of the present application. The water treatment method is applied to a second controller in a water treatment system, Figure 1 The water treatment system further includes a first controller and a water treatment device. The first controller is used to control the water treatment device to be in a first water production mode or a second water production mode. The second controller is used to control the water treatment device to be in the second water production mode. When the second water production mode is started, the water treatment method includes: S310 closing a backwater tank valve of a pure water tank in the water treatment device. S320, opening an electromagnetic valve in the water treatment device for conveying first product water generated by a first reverse osmosis device to a conveying pipeline, and opening a discharge valve of the pure water tank, and opening an electric valve for shunting treatment of concentrated water generated by the first reverse osmosis device. S330, obtaining a water production pressure of the first product water generated by the first reverse osmosis device, and determining whether to adjust an opening angle of the electric valve based on the water production pressure, so as to make the water treatment device work stably to produce water.

[0059] For example, in some embodiments of the present application, the first controller 100 can be referred to as a main controller, which can be a main PLC, and the second controller 200 can be referred to as a backup controller, which can be an auxiliary PLC. A field engineer can monitor the status of the main PLC, and when it is determined that the main PLC is faulty, an emergency circuit breaker QF1-1 can be opened and the power supply of the main PLC can be turned off. At this time, the auxiliary PLC starts to work. The auxiliary PLC can close the backwater tank valve GV23, open the water inlet valve SV01, the electromagnetic valve SV13 and the discharge valve SV21 of the pure water tank, and open the backwater valve GV11 and the discharge valve GV12 (the backwater valve GV11 and the discharge valve GV12 are also the electric valves in S320). Then, a regulation stage of the opening angle of the backwater valve GV11 and the discharge valve GV12 is entered to realize stable operation of the auxiliary PLC. For example, the auxiliary PLC can output a signal to close the backwater tank valve GV23 to realize closing. The auxiliary PLC generates signals to open the water inlet valve SV01, the electromagnetic valve SV13, the discharge valve SV21 of the pure water tank, the backwater valve GV11 and the discharge valve GV12 to realize opening.

[0060] The above process is exemplarily described below.

[0061] In some embodiments of the present application, before the second water production mode is opened, the water treatment method further comprises: monitoring the target parameter calculation result and the normally closed contact state of the first controller; when the target parameter calculation result is incorrect and the normally closed contact state is abnormal, it is determined that the first controller is faulty, and a prompt information is output, wherein the prompt information is used to remind the staff to open the second controller.

[0062] For example, in some embodiments of the present application, during the working process of the main PLC, the auxiliary PLC can monitor the numerical value calculation result (as a specific example of the target parameter calculation result) and the normally closed contact state of a parameter of the main PLC. When the numerical value calculation result is inaccurate and the normally closed contact state is incorrect, it is determined that the main PLC is damaged (i.e. faulty), and a prompt signal (as a specific example of the prompt information) is sent. After receiving the prompt signal, the staff can open the emergency circuit breaker QF1-1 in time, so that the auxiliary PLC starts to work and the water treatment equipment 300 enters the emergency water production mode. The judgment method that the numerical value calculation result is inaccurate can be that the numerical value calculation result is greater than the target value. The judgment method that the normally closed contact state is incorrect can be that the normally closed contact state should be closed, but at this time it is opened. It should be understood that the embodiments of the present application are not limited thereto.

[0063] In some embodiments of the present application, the first reverse osmosis device comprises a first high-pressure pump and a first reverse osmosis membrane, and the working frequency of the first high-pressure pump is a set value.

[0064] For example, in some embodiments of the present application, the primary high-pressure pump is started at a fixed frequency, i.e., the working frequency is a fixed value (as a specific example of a set value).

[0065] In some embodiments of the present application, the water treatment device further comprises a secondary reverse osmosis device, and the electromagnetic valve is located between the primary reverse osmosis device and the secondary reverse osmosis device, and the opening or closing of the electromagnetic valve is used to control the flow direction of the primary product water to the delivery pipeline or the secondary reverse osmosis device.

[0066] For example, in some embodiments of the present application, the primary high-pressure pump is started at a fixed frequency, i.e., the working frequency is a fixed value (as a specific example of a set value). Figure 2 It can be seen that the secondary reverse osmosis device comprises a secondary high-pressure pump 230 and a secondary reverse osmosis membrane 240. The opening or closing state of the electromagnetic valve SV13 can control the flow direction of the primary product water. When the electromagnetic valve SV13 is opened, the primary product water can flow to the delivery pipeline, and when the electromagnetic valve SV13 is closed, the primary product water flows to the secondary reverse osmosis device. Since the auxiliary PLC works in the emergency water production mode, the electromagnetic valve SV13 can directly flow the primary product water to the delivery pipeline at the beginning. It should be noted that both the primary product water and the secondary product water meet the water quality standards for hemodialysis and related treatments.

[0067] In some embodiments of the present application, the electric valve comprises a backwater valve and a discharge valve, and S330 can comprise: detecting the water production pressure and detecting the discharge amount of the concentrated water at the same time; based on the water production pressure and the discharge amount, determining whether to adjust the opening angle of the backwater valve and the opening angle of the discharge valve.

[0068] For example, in some embodiments of the present application, after passing through the primary reverse osmosis membrane 220, the primary product water and the concentrated water that does not meet the water quality requirements can be obtained, and the auxiliary PLC can detect the pure water pressure produced by the primary reverse osmosis device and the discharge amount of the concentrated water at the concentrated water discharge port of the discharge valve GV12. The opening angles of the backwater valve GV11 and the discharge valve GV12 can be adjusted through the water production pressure and the discharge amount, so that the auxiliary PLC can work stably.

[0069] In some embodiments of the present application, S330 can comprise: if the water production pressure is greater than a pressure set value, increasing the opening angle of the backwater valve and the opening angle of the discharge valve by a preset angle value.

[0070] For example, in some embodiments of the present application, the pressure set value of the water production pressure can be set according to actual needs. When it is detected that the water production pressure is greater than the pressure set value, the opening angles of the backwater valve GV11 and the discharge valve GV12 are increased. The preset angle value can be set according to actual conditions, which is not specifically limited in the embodiments of the present application.

[0071] In some embodiments of the present application, S330 can comprise: if the water production pressure is equal to the pressure setting value and the discharge amount is greater than the set discharge value, then the opening angle of the backwater valve and the opening angle of the discharge valve are not adjusted.

[0072] For example, in some embodiments of the present application, when the water production pressure is equal to the pressure setting value and the discharge amount is greater than the set discharge value, the opening angles of the backwater valve GV11 and the discharge valve GV12 do not need to be adjusted.

[0073] In some embodiments of the present application, S330 can comprise: if the water production pressure is less than the pressure setting value and the discharge amount is greater than the set discharge value, then the opening angle of the discharge valve is reduced by a preset angle value.

[0074] For example, in some embodiments of the present application, when the water production pressure is less than the pressure setting value and the discharge amount is greater than the set discharge value, the opening angle of the discharge valve GV12 needs to be reduced.

[0075] In some embodiments of the present application, in order to enable the auxiliary PLC to work stably, during the detection of the water production pressure and the discharge amount, the opening angles of the backwater valve GV11 and the discharge valve GV12 can be gradually increased or reduced by a preset angle value until the water production pressure is equal to the pressure setting value and the discharge amount is greater than the set discharge value.

[0076] In some embodiments of the present application, S330 can comprise: if the water production pressure is less than the pressure setting value and the discharge amount is equal to the set discharge value, then the opening angle of the discharge valve is not adjusted, and the adjustment process of the backwater valve is started, wherein the adjustment process represents a process of cyclically reducing the opening angle of the backwater valve by a preset angle value. The method of water treatment further comprises: during the adjustment process of the backwater valve, detecting the inlet pressure of the primary reverse osmosis device; when the inlet pressure is equal to a pressure alarm value, stopping the adjustment of the opening angle of the backwater valve.

[0077] For example, in some embodiments of the present application, when the discharge valve GV12 is closed to the discharge amount of the concentrated water reaching the minimum limit value (as a specific example of the set discharge value), and the water production pressure is still lower than the pressure setting value, then the backwater valve GV11 is opened. During the process of closing the backwater valve GV11, the inlet pressure of the water inlet valve SV01 needs to be detected and maintained in the non-alarm stage, that is, the water inlet valve SV01 ensures that the inlet pressure is always equal to the pressure alarm value, and the pressure alarm value is the minimum limit value of the pressure, so as to ensure the minimum water inlet amount requirement. After the adjustment of the backwater valve GV11 and the discharge valve GV12 is completed, the auxiliary PLC can stably control the water treatment equipment to perform emergency water production in the emergency water production mode.

[0078] In some embodiments of the present application, the method of water treatment further comprises detecting the conductivity value of the water treatment device, and generating an alarm signal if the conductivity value does not meet the preset condition.

[0079] For example, in some embodiments of the present application, the conductivity value of the water treatment device is monitored during the execution of S310-S330. If the conductivity value does not meet the standard (i.e., does not meet the preset condition), an indicator light is output to prompt an alarm (as a specific example of an alarm signal).

[0080] The structure of the second controller 200 provided by some embodiments of the present application will be described below with reference to the accompanying drawings. Figure 4 The structure of the second controller 200 provided by some embodiments of the present application will be described below with reference to the accompanying drawings.

[0081] Please refer to the accompanying drawings Figure 4 , Figure 4 The structure of the second controller 200 provided by some embodiments of the present application will be described below with reference to the accompanying drawings. X3-X7 on the auxiliary PLC are respectively connected with the backwater valve GV11, the discharge valve GV12, and the backwater tank valve GV23, so that the backwater valve GV11, the discharge valve GV12, and the backwater tank valve GV23 can be opened to the full opening angle, or gradually closed to the full closing angle, or completely closed. The pin Y0 is connected with the electromagnetic valve SV13, which can control the opening of the electromagnetic valve SV13 in the emergency water production mode. The pin Y1 is connected with the connection point of the backwater valve GV11, which can control the closing of the backwater valve GV11. The pin Y2 is connected with the connection point of the backwater valve GV11, which can control the opening of the backwater valve GV11. The pin Y3 is connected with the connection point of the discharge valve GV12, which can control the closing of the backwater valve GV11. The pin Y4 is connected with the connection point of the discharge valve GV12, which can control the opening of the backwater valve GV11. The pin Y5 is connected with the connection point of the backwater tank valve GV23, which can control the closing of the backwater tank valve GV23. The pin Y6 is connected with the primary pump (i.e., the primary high-pressure pump 210), which controls the pressure of the primary pump and can adjust the operation of the primary pump from the conventional variable frequency operation to the fixed frequency operation. The pin Y7 is connected with the warning light, which can realize yellow light alarm.

[0082] In addition to the above, the auxiliary PLC also has other functional elements or pins. Among them, L and N can be connected with the power supply to realize 220V power supply. PE represents grounding. NC is empty. +24V G identifies 24V power supply. S / S represents X0~X7 power supply common end. X0~X7 are input point pins. D+, D- represent 485 communication port. C0 represents Y0~Y3 power supply common end. C1 represents Y4~Y7 power supply common end. Y0~Y7 are output point pins. SS is the positive end of 24V power supply, and G is the negative end of 24V power supply. FU is a fuse. RUN is a PLC running toggle bit. STOP is a PLC stop toggle bit. KA1~KA4, KA10, emergency KA2-1 and emergency KA2-2 are intermediate relays, and FV11 is a first-stage concentrated water discharge flow meter. X0 is connected with the flow meter LP1, wherein the red, yellow and blue are the connection terminals of the flow meter, the yellow is connected with X0, the red is 24V+, and the blue is G, which can realize the collection of first-stage concentrated water discharge flow data. X1 can realize the alarm of raw water pressure.

[0083] Please refer to the accompanying drawings Figure 5 , the accompanying Figure 5 The water treatment circuit structure provided by some embodiments of the present application. Figure 5 The 24V and 0V in the expansion module are power supply voltages. V1+, I1+, VI1- are the analog channel 1 of the expansion module. V2+, I2+, VI2- are the analog channel 2 of the expansion module. V3+, I3+, VI3- are the analog channel 3 of the expansion module. V4+, I4+, VI4- are the analog channel 4 of the expansion module. The pressure transmitter can obtain the first-stage product water pressure (that is, the pressure value of the generated first-stage product water). When the circuit breaker QF1-1 is closed, the intermediate relays KA1-2 / KA1-3 / KA1-4 will be powered, and then the conductivity and product water pressure signals will be transferred from the main PLC to the auxiliary PLC. For example, KA1-3 and KA1-4 switch the conductivity collection signal; KA1-2 switches the product water pressure collection.

[0084] Some embodiments of the present application also provide a circuit diagram of an emergency circuit breaker as shown in Figure 6 . Figure 6 It includes: emergency circuit breaker QFI-1, emergency intermediate relays KA1-1, KA1-2, KA1-3 and KA1-4. As shown in Figure 7 , by controlling the switch of KA1-1, the opening or closing of KA1-1 is realized, and then the opening of the electromagnetic valve SV13 is realized. As shown in Figure 8 , the first-stage AC motor driver can start the pump through the intermediate relay KA2-2, and at the same time, the frequency conversion is changed to fixed frequency operation through KA13. As shown in Figure 9As shown, KA2-1 is connected with intermediate relay KA19, intermediate relay KA22 and intermediate relay KA24 respectively, and intermediate relay KA19, intermediate relay KA22 and intermediate relay KA24 are connected with fuse FU9, fuse FU12 and fuse FU14 respectively.

[0085] Some embodiments of the present application also provide a control method for the circuit diagram of the emergency circuit breaker as shown. Figures 6-9 The control method for the circuit diagram of the emergency circuit breaker as shown. Figure 6 Main PLC de-energization and auxiliary PLC start signal. Auxiliary PLC automatically closes GV23, and KA1-1 controls the power supply conversion process. KA1-2 / KA1-3 / KA1-4 are analog signals converted from the main PLC to the auxiliary PLC for collection. Then the control of electromagnetic valve SV01 / SV13 / SV21 and electric ball valve GV11 / GV12 is the automatic control output of the auxiliary PLC, and KA2-1 is equivalent to converting the control of the electromagnetic valve from the main PLC to the auxiliary PLC.

[0086] It should be noted that in some embodiments of the present application, the type of the above-mentioned valve can be a ball valve or other types of valves, which are not specifically limited in the embodiments of the present application.

[0087] As can be seen from the above-mentioned embodiments of the present application, when the main PLC is working normally, it can meet the various working modes of the equipment, including normal water production, pure water maintenance, disinfection and other processes, and can normally ensure the water supply demand of the hospital. However, after the main PLC is damaged, the equipment is completely paralyzed and cannot continue to supply water. Due to the particularity of the working environment of the equipment (used for preparing water for multiple-bed hemodialysis and related treatment in medical institutions), it is necessary to ensure uninterrupted water supply, otherwise the dialysis treatment of patients will be affected. Therefore, the present application proposes a dual-PLC standby implementation method for realizing normal and emergency of the equipment, and the auxiliary PLC can solve the problem that the equipment cannot work completely after the main PLC is damaged. The auxiliary PLC can realize first-level emergency operation to ensure the water supply of the equipment, and has no adverse effect on the equipment itself. This method does not require too much intervention of the on-site engineer, and can be opened and closed according to the steps, thereby reducing the influence of operation errors. Therefore, the present application not only ensures uninterrupted water supply of the equipment, but also brings great convenience to the maintenance of the equipment.

[0088] Please refer to Figure 10 , Figure 10 The composition block diagram of the water treatment device provided by some embodiments of the present application is shown. It should be understood that the water treatment device corresponds to the above-mentioned method embodiments and can perform each step involved in the above-mentioned method embodiments. The specific functions of the water treatment device can be referred to the description in the above, and the detailed description is appropriately omitted here to avoid repetition.

[0089] Figure 10The water treatment device includes at least one software function module stored in the form of software or firmware in the memory or solidified in the water treatment device, and the water treatment device includes: a closing module 1010 configured to close a backwater tank valve of a pure water tank in the water treatment equipment; an opening module 1020 configured to open an electromagnetic valve configured to deliver first product water generated by a first reverse osmosis device to a delivery pipeline and a discharge valve of the pure water tank in the water treatment equipment, and open an electric valve configured to shunt treatment of concentrated water generated by the first reverse osmosis device; and an adjusting module 1030 configured to acquire a water production pressure of the first product water generated by the first reverse osmosis device, and determine whether to adjust an opening angle of the electric valve based on the water production pressure, so as to stabilize the water treatment equipment to work to produce water.

[0090] It should be known in the art that the device can perform each step in the method embodiments, and thus the description is not repeated here.

[0091] Some embodiments of the present application also provide a water treatment method, including: a first controller closing an electromagnetic valve configured to deliver first product water generated by a first reverse osmosis device to a delivery pipeline; a second controller opening the electromagnetic valve when the first controller is abnormal; the water treatment equipment inputting softened water to the first reverse osmosis device to obtain the first product water, inputting the first product water to a second reverse osmosis device to obtain second product water, and delivering the second product water to a pure water tank through the delivery pipeline; or the water treatment equipment delivering the first product water generated by the first reverse osmosis device to the pure water tank through the delivery pipeline.

[0092] Some embodiments of the present application also provide a computer readable storage medium having a computer program stored thereon, and the program is executed by a processor to implement the operations of the method corresponding to any of the above embodiments.

[0093] Some embodiments of the present application also provide a computer program product, and the computer program product includes a computer program, and the computer program is executed by a processor to implement the operations of the method corresponding to any of the above embodiments.

[0094] As shown in Figure 11 Some embodiments of the present application provide an electronic device 1100, which includes a memory 1110, a processor 1120, and a computer program stored in the memory 1110 and executable on the processor 1120, and when the processor 1120 reads the program from the memory 1110 through a bus 1130 and executes the program, the method of any of the above embodiments can be implemented.

[0095] The processor 1120 can process digital signals and analog quantities, and can include various computing structures. For example, a complex instruction set computer structure, a reduced instruction set computer structure, or a structure that implements a combination of multiple instruction sets. In some examples, the processor 1120 can be a microprocessor.

[0096] The memory 1110 can be used to store instructions executed by the processor 1120 or data related to the instructions during the execution of the instructions. The instructions and / or data can include code for implementing some or all of the functions of one or more modules described in the embodiments of the present application. The processor 1120 of the embodiments of the present disclosure can be used to execute the instructions in the memory 1110 to implement the methods shown above. The memory 1110 includes a dynamic random access memory, a static random access memory, a flash memory, an optical memory, or other memories well known to those skilled in the art.

[0097] The above only describes the embodiments of the present application and does not limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0098] The above only describes the embodiments of the present application and does not limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0099] It should be noted that, in this document, relational terms such as first and second, and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A water treatment system, characterized in that, include: The system comprises a first controller, a second controller, an emergency circuit breaker, and water treatment equipment. The first controller is used to control the water treatment equipment to operate in a first water production mode or a second water production mode. The second controller is used to control the water treatment equipment to operate in the second water production mode. The first controller is used to control the opening or closing of the solenoid valve in the water treatment equipment that delivers the primary product water produced by the primary reverse osmosis unit to the delivery pipeline, so that the water treatment equipment is in the first water production mode or the second water production mode. The second controller is used to open the solenoid valve when the first controller is malfunctioning; When the water treatment equipment is in the first water production mode, it is used to input softened water into the first-stage reverse osmosis unit to obtain the first-stage product water, and input the first-stage product water into the second-stage reverse osmosis unit to obtain the second-stage product water. The second-stage product water is used to supply the target user through a pipeline, and any remaining water in the second-stage product water besides the water used by the target user is returned to the pure water tank; or... When the water treatment equipment is in the second water production mode, it is used to pass softened water through the first-stage reverse osmosis device to obtain first-stage product water. The first-stage product water is used to supply the target object through a delivery pipeline. The remaining water in the first-stage product water, excluding the water used by the target object, is discharged through the pure water tank outlet. The states of the first controller and the second controller are controlled according to the opening or closing of the emergency circuit breaker. When the emergency circuit breaker is in the closed state, the first controller is in the open state and the second controller is in the monitoring state. When the emergency circuit breaker is in the open state, the first controller is in the closed state and the second controller is in the open state.

2. A water treatment method applied to the water treatment system as described in claim 1, characterized in that, When activating the second water production mode, the method includes: Close the return water valve of the pure water tank in the water treatment equipment; Open the solenoid valve in the water treatment equipment that delivers the primary product water produced by the primary reverse osmosis unit to the delivery pipeline and the discharge valve of the pure water tank, and open the electric valve that diverts the concentrated water produced by the primary reverse osmosis unit. The water pressure of the first-stage reverse osmosis unit producing the first-stage product water is obtained, and based on the water pressure, it is determined whether to adjust the opening angle of the electric valve to ensure that the water treatment equipment operates stably and produces water.

3. The method as described in claim 2, characterized in that, The primary reverse osmosis unit includes a primary high-pressure pump and a primary reverse osmosis membrane, wherein the operating frequency of the primary high-pressure pump is a set value.

4. The method as described in claim 2 or 3, characterized in that, The water treatment equipment also includes a secondary reverse osmosis unit. The solenoid valve is located between the primary reverse osmosis unit and the secondary reverse osmosis unit. The opening or closing of the solenoid valve is used to control the flow of the primary product water to the delivery pipeline or the secondary reverse osmosis unit.

5. The method as described in claim 2 or 3, characterized in that, The electric valve includes a return water valve and a discharge valve, wherein obtaining the product water pressure of the first-stage reverse osmosis unit and determining whether to adjust the opening angle of the electric valve based on the product water pressure includes: The product water pressure is obtained by detection, and the concentrated water discharge rate is also obtained by detection. Based on the water production pressure and the discharge volume, determine whether to adjust the opening angle of the return water valve and the opening angle of the discharge valve.

6. The method as described in claim 5, characterized in that, The step of determining whether to adjust the opening angle of the return water valve and the opening angle of the discharge valve based on the product water pressure and the discharge volume includes: If the water pressure is greater than the pressure setting value, the opening angle of the return water valve and the opening angle of the discharge valve will both be increased by a preset angle value. If the water pressure is equal to the pressure setting value and the discharge volume is greater than the set discharge value, then the opening angle of the return water valve and the opening angle of the discharge valve will not be adjusted. If the water pressure is less than the pressure setting value and the discharge volume is greater than the set discharge value, then the opening angle of the discharge valve will be reduced by a preset angle value. If the water pressure is less than the pressure setting value and the discharge volume is equal to the set discharge value, the opening angle of the discharge valve is not adjusted, and the adjustment process of the return water valve is started. The adjustment process represents the process of cyclically reducing the opening angle of the return water valve according to the preset angle value. The method further includes: During the adjustment of the return water valve, the inlet pressure of the first-stage reverse osmosis unit is detected; When the inlet pressure equals the pressure alarm value, stop adjusting the opening angle of the return water valve.

7. The method as described in claim 2 or 3, characterized in that, The method further includes: The conductivity value of the water treatment equipment is detected, and an alarm signal is generated if the conductivity value does not meet the preset conditions.

8. The method as described in claim 2 or 3, characterized in that, Before activating the second water production mode, the method further includes: Monitor the target parameter calculation results and normally closed contact status of the first controller; When the target parameter calculation result is incorrect and the normally closed contact is in an abnormal state, the first controller is confirmed to be faulty, and a prompt message is output, wherein the prompt message is used to remind the staff to turn on the second controller.

9. A water treatment apparatus, characterized in that, The water treatment system according to claim 1 further includes: The shut-off module is used to shut off the return water valve of the pure water tank in the water treatment equipment. The activation module is used to activate the solenoid valve that transports the primary product water produced by the primary reverse osmosis unit to the delivery pipeline and the discharge valve of the pure water tank in the water treatment equipment, and to activate the electric valve that diverts the concentrated water produced by the primary reverse osmosis unit. The adjustment module is used to obtain the product water pressure of the first-stage reverse osmosis device, and determine whether to adjust the opening angle of the electric valve based on the product water pressure, so as to ensure that the water treatment equipment can stably produce water.

10. A computer-readable storage medium, characterized in that, The computer-readable storage medium stores a computer program, wherein the computer program, when executed by a processor, performs the method as described in any one of claims 2-8.

11. An electronic device, characterized in that, It includes a memory, a processor, and a computer program stored on the memory and running on the processor, wherein the computer program is executed by the processor to perform the method as described in any one of claims 2-8.

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