CN105439215B - Wastewater-free environment-friendly water pressure adaptive water purification control system - Google Patents
Wastewater-free environment-friendly water pressure adaptive water purification control system Download PDFInfo
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- CN105439215B CN105439215B CN201510831066.XA CN201510831066A CN105439215B CN 105439215 B CN105439215 B CN 105439215B CN 201510831066 A CN201510831066 A CN 201510831066A CN 105439215 B CN105439215 B CN 105439215B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/42—Treatment of water, waste water, or sewage by ion-exchange
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/444—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by ultrafiltration or microfiltration
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/20—Prevention of biofouling
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/24—Separation of coarse particles, e.g. by using sieves or screens
Abstract
The invention discloses a wastewater-free environment-friendly water pressure adaptive water purification control system.A normally closed solenoid valve is arranged on a pipeline between a water purification filter element and a circulating water tank, a first low-pressure switch and a second low-pressure switch are connected on a pipeline between a water inlet interface and the water purification filter element, a first high-pressure switch and a second high-pressure switch are connected on an inlet pipeline and an outlet pipeline of the circulating water tank, the first low-pressure switch is connected in series on a power supply circuit, the second low-pressure switch is connected in parallel on the power supply circuit, and the tripping pressure of the first low-pressure switch is smaller than that of the second low-pressure switch; the first high-voltage switch is connected in parallel on the power supply circuit, the second high-voltage switch is connected in series on the second low-voltage switch, the first high-voltage switch and the second high-voltage switch are connected in parallel to be connected with the normally closed electromagnetic valve, and the take-off pressure of the first high-voltage switch is smaller than that of the second high-voltage switch. The invention can effectively and reliably protect the water purification system under different water pressure conditions.
Description
Technical Field
The invention relates to the technical field of water purification, in particular to a wastewater-free environment-friendly water pressure adaptive water purification control system.
Background
At present, the water purification system has wide application, can remove silt, impurities, colloid and suspended matters, can also remove small molecules, viruses, bacteria, microorganisms, organic matters and other reflective substances harmful to human bodies, and can also remove unpleasant water alkali and heavy metals, thereby ensuring the safety of water use.
In the prior art, the water purification system is not protected sufficiently under different water pressure conditions, and the water purification system cannot be protected effectively and reliably in the high-low water pressure change process, so that the service life of the water purification system is shortened, and the application requirements under the actual water pressure environment cannot be met.
Disclosure of Invention
Based on the technical problems in the prior art, the invention provides a wastewater-free environment-friendly water pressure adaptive water purification control system which can effectively and reliably protect a water purification system under different water pressure conditions.
The invention provides a wastewater-free environment-friendly water pressure adaptive water purification control system, which comprises: the water purifier comprises a water inlet interface, a water purifying filter element, a circulating water tank and a first water outlet interface;
the water inlet connector, the water purification filter element, the circulating water tank and the first water outlet connector are sequentially connected through a pipeline, and a normally closed electromagnetic valve is arranged on the pipeline of the water purification filter element and the pipeline of the circulating water tank;
a first low-pressure switch and a second low-pressure switch for detecting water inlet pressure are connected to the water inlet interface and the water purification filter element, and a first high-pressure switch and a second high-pressure switch for detecting water pressure of the circulating water tank are connected to the inlet and outlet pipelines of the circulating water tank;
the first low-voltage switch is connected in series with the power supply circuit, the second low-voltage switch is connected in parallel with the power supply circuit, the first low-voltage switch and the second low-voltage switch are both normally-open switches, the first low-voltage switch is closed to be powered when the water inlet pressure is greater than the tripping pressure of the first low-voltage switch, the second low-voltage switch is closed to be powered when the water inlet pressure is greater than the tripping pressure of the second low-voltage switch, and the tripping pressure of the first low-voltage switch is smaller than the tripping pressure of the second low-voltage switch;
the first high-voltage switch is connected in parallel to the power supply circuit, the second high-voltage switch is connected in series to the second low-voltage switch, the first high-voltage switch and the second high-voltage switch are connected in parallel to a normally closed electromagnetic valve, the first high-voltage switch and the second high-voltage switch are normally closed switches, the first high-voltage switch is disconnected and de-energized when the water pressure of the circulating water tank is greater than the tripping pressure of the first high-voltage switch, the second high-voltage switch is disconnected and de-energized when the water pressure of the circulating water tank is greater than the tripping pressure of the second high-voltage switch, and the tripping pressure of the first high-voltage switch is smaller than the tripping pressure of the second high-voltage switch;
the water purification system has low pressure operating condition and/or high pressure operating condition at least, wherein:
when the water pressure of the inlet water is greater than the tripping pressure of the first low-pressure switch, the first low-pressure switch is closed to be electrified, and the water purification system enters a low-pressure working state; in a low-pressure working state, when the water pressure of the circulating water tank is smaller than the tripping pressure of the first high-pressure switch, the first high-pressure switch is closed to be electrified, the normally closed electromagnetic valve is electrified and conducted, when the water pressure of the circulating water tank is larger than the tripping pressure of the first high-pressure switch, the first high-pressure switch is disconnected and de-electrified, and the normally closed electromagnetic valve is disconnected and turned off;
when the water pressure of the inlet water is greater than the tripping pressure of the second low-voltage switch, the first low-voltage switch is closed to be electrified, the second low-voltage switch is closed to be electrified, and the water purification system enters a high-pressure working state; under the high-pressure working state, when the water pressure of the circulating water tank is smaller than the tripping pressure of the second high-pressure switch, the second high-pressure switch is closed to be powered on, the normally closed electromagnetic valve is powered on, and when the water pressure of the circulating water tank is larger than the tripping pressure of the second high-pressure switch, the second high-pressure switch is disconnected and powered off, and the normally closed electromagnetic valve is powered off and switched off.
Preferably, a normally-on electromagnetic valve is arranged on a pipeline of the water purification filter element and the circulating water tank, a third low-voltage switch used for detecting the water pressure of the circulating water tank is connected to an inlet and outlet pipeline of the circulating water tank, the third low-voltage switch is connected to the power supply circuit in parallel and connected to the normally-on electromagnetic valve, the third low-voltage switch is a normally-open switch, the third low-voltage switch is closed to be powered when the water pressure of the circulating water tank is greater than the tripping pressure of the third low-voltage switch, and the tripping pressure of the third low-voltage switch is greater than the tripping pressure of the second high-voltage switch.
Preferably, the first high-pressure switch and the second high-pressure switch are connected to a pipeline of the normally closed electromagnetic valve and the circulating water tank; preferably, the normally open electromagnetic valve is connected to the water purification filter element and the pipeline of the normally closed electromagnetic valve.
Preferably, the device also comprises an ion exchange resin filter element, a self-absorption booster pump, an ultrafiltration membrane filter element and a second water outlet interface; the inlet of the ion exchange resin filter element is connected to the circulating water tank, the outlet of the ion exchange resin filter element is connected with the inlet of the self-suction booster pump, the outlet of the self-suction booster pump is connected with the inlet of the ultrafiltration membrane filter element, and the second water outlet interface is connected to the outlet of the ultrafiltration membrane filter element.
Preferably, the device also comprises a reverse osmosis membrane filter element, an activated carbon filter element and a third water outlet interface; the import of reverse osmosis membrane filter core and the exit linkage of ultrafiltration membrane filter core, the export of reverse osmosis membrane filter core and the access connection of active carbon filter core, third play water interface connection to active carbon filter core's export.
Preferably, a flushing outlet of the reverse osmosis membrane filter element is connected to the circulating water tank, a flushing electromagnetic valve is arranged on a pipeline between the reverse osmosis membrane filter element and the circulating water tank, and the flushing electromagnetic valve is connected to the control module; preferably, the flushing solenoid valve is a throttle solenoid valve.
Preferably, the device also comprises a pressure water barrel, and the pressure water barrel is arranged on a pipeline of the reverse osmosis membrane filter element and the activated carbon filter element.
Preferably, a pressure sensor is connected to a pipeline of the pressure water barrel for detecting the water pressure of the pressure water barrel, the pressure sensor is connected to the control module, and the control module is used for controlling the working state of the self-priming booster pump according to a detection signal of the pressure sensor; preferably, the pressure sensor is a third high-voltage switch, the third high-voltage switch is a normally closed switch, and the third high-voltage switch is switched off and loses power when the water pressure of the pressure water barrel is greater than the tripping pressure of the third high-voltage switch.
Preferably, a water inlet valve and a pressure reducing valve are arranged on the pipeline of the water inlet interface and the water purification filter element.
Preferably, the first low-voltage switch is an adjustable pressure type low-voltage switch, and/or the second low-voltage switch is an adjustable pressure type low-voltage switch, and/or the third low-voltage switch is an adjustable pressure type low-voltage switch, and/or the first high-voltage switch is an adjustable pressure type high-voltage switch, and/or the second high-voltage switch is an adjustable pressure type high-voltage switch, and/or the third high-voltage switch is an adjustable pressure type high-voltage switch.
According to the invention, a first low-voltage switch is connected in series with a power supply circuit and used for controlling the on-off of the power supply circuit, a first high-voltage switch is connected in parallel with the power supply circuit, a second low-voltage switch is connected in parallel with the power supply circuit and a second high-voltage switch is connected in series with the second low-voltage switch, and the first high-voltage switch and the second high-voltage switch are connected in parallel with a normally closed electromagnetic valve; therefore, the water purification working state can be automatically selected according to the water inlet pressure, the application requirements under different water inlet pressure regulation are met, the water purification system is effectively and reliably protected, and the application range of the water purification system is expanded.
Drawings
Fig. 1 is a schematic connection diagram of a wastewater-free environment-friendly water pressure adaptive water purification control system according to a first embodiment of the present invention.
Fig. 2 is a schematic circuit connection diagram of the wastewater-free environment-friendly water pressure adaptive type water purification control system in fig. 1.
Fig. 3 is a schematic connection diagram of a wastewater-free environment-friendly water pressure adaptive water purification control system according to a second embodiment of the present invention.
Fig. 4 is a schematic circuit connection diagram of the wastewater-free environment-friendly water pressure adaptive type water purification control system in fig. 3.
Detailed Description
As shown in fig. 1 and fig. 2, fig. 1 is a schematic connection diagram of a wastewater-free environment-friendly water pressure adaptive type water purification control system according to a first embodiment of the present invention, and fig. 2 is a schematic circuit connection diagram of the wastewater-free environment-friendly water pressure adaptive type water purification control system in fig. 1.
Referring to fig. 1, a first embodiment of the present invention provides a wastewater-free environment-friendly water pressure adaptive type water purification control system, including: the water purifier comprises a water inlet connector IN, a water purifying filter element 1, a circulating water tank 2 and a first water outlet connector OUT 1;
water inlet interface IN, water purification filter core 1, circulating water tank 2, first interface OUT1 of going OUT connect through the pipeline IN order, specifically, water inlet interface IN and the access connection of water purification filter core 1, the export of water purification filter core 1 and circulating water tank 2's access connection, circulating water tank 2's export and first interface OUT1 of going OUT are connected.
A normally closed solenoid valve V1 and a normally open solenoid valve V2 are provided on the pipeline between the water purification cartridge 1 and the circulation tank 2, wherein the normally open solenoid valve V2 may be provided on the pipeline between the water purification cartridge 1 and the normally closed solenoid valve V1.
Connect first low pressure switch L1 and second low pressure switch L2 on the pipeline of interface IN and water purification filter core 1 of intaking, can establish first low pressure switch L1 and second low pressure switch L2 and be used for carrying out real-time detection to the pressure of intaking on the pipeline between water purification filter core 1 and control valve 9. The first high-pressure switch H1, the second high-pressure switch H2 and the third low-pressure switch L3 are connected to an inlet and outlet pipeline of the circulating water tank 2, and the first high-pressure switch H1, the second high-pressure switch H2 and the third low-pressure switch L3 can be arranged on a pipeline between the normally closed electromagnetic valve V1 and the circulating water tank 2 and used for detecting the water pressure in the circulating water tank 2 in real time. In the specific setting process, the three can be arranged on an inlet pipeline or an outlet pipeline of the circulating water tank 2, or part of the three can be arranged on the inlet pipeline and the rest can be arranged on the outlet pipeline, so long as the real-time detection can be carried out on the water pressure in the circulating water tank 2.
Referring to fig. 2, in the circuit connection, the first low-voltage switch L1 is connected in series to the power supply circuit, the second low-voltage switch L2 is connected in parallel to the power supply circuit, both the first low-voltage switch L1 and the second low-voltage switch L2 are normally open switches, the first low-voltage switch L1 is powered on when the water inlet pressure is greater than the tripping pressure of the first low-voltage switch L1, the second low-voltage switch L2 is powered on when the water inlet pressure is greater than the tripping pressure of the second low-voltage switch L2, and the tripping pressure of the first low-voltage switch L1 is less than the tripping pressure of the second low-voltage switch L2.
The first high-voltage switch H1 is connected in parallel to a power supply circuit, the second high-voltage switch H2 is connected in series to the second low-voltage switch L2, the first high-voltage switch H1 and the second high-voltage switch H2 are connected in parallel to the normally closed electromagnetic valve V1, the first high-voltage switch H1 and the second high-voltage switch H2 are normally closed switches, the first high-voltage switch H1 is disconnected and de-energized when the water pressure of the circulating water tank 2 is greater than the tripping pressure of the first high-voltage switch H1, the second high-voltage switch H7 is disconnected and de-energized when the water pressure of the circulating water tank 2 is greater than the tripping pressure of the second high-voltage switch H53925, wherein the tripping pressure of the first high-voltage switch H1 is less than the tripping pressure of the second high-voltage switch H685; in a specific pressure design process, for example, the take-off pressure of the first high-pressure switch H1 may be set to be less than the take-off pressure of the first low-pressure switch L1, and the take-off pressure of the second high-pressure switch H2 may be set to be less than the take-off pressure of the second low-pressure switch L2.
The third low-voltage switch L3 is connected in parallel to the power supply circuit and is connected to the normally-on electromagnetic valve V2, the third low-voltage switch L3 is a normally-open switch, when the water pressure of the circulating water tank 2 is greater than the tripping pressure of the third low-voltage switch L3, the third low-voltage switch L3 is closed to be electrified, and the tripping pressure of the third low-voltage switch L3 is greater than the tripping pressure of the second high-voltage switch H2.
According to the technical scheme, in the water purification system provided by the embodiment of the invention, the specific control process is as follows:
in the embodiment of the present invention, the first low-voltage switch L1 is connected in series to the power supply circuit, the first low-voltage switch L1 is a normally open switch, and the tripping pressure of the first low-voltage switch L1 can be defined as the first water inlet pressure. When the real-time water inlet pressure detected by the first low-voltage switch L1 is smaller than the first water inlet pressure, the first low-voltage switch L1 is in a normally open state, namely the first low-voltage switch L1 is disconnected and loses power, the power supply circuit is disconnected and cannot provide power for the system, and the whole water purification system is in a closed state; when the real-time water inlet pressure detected by the first low-voltage switch L1 is greater than the first water inlet pressure, the first low-voltage switch L1 is closed to be powered on, the power supply circuit is switched on to supply power to the system, and thus the water purification system enters a working state.
Therefore, by connecting the first low-voltage switch L1 in series with the power supply circuit, the first low-voltage switch L1 is used for detecting the water inlet pressure in real time, and the on-off state of the first low-voltage switch L1 is realized according to the relation between the real-time water inlet pressure and the first water inlet pressure, so as to control the on-off of the power supply circuit, in this way, the first low-voltage switch L1 functions as a main power supply switch of the system, specifically, when the real-time water inlet pressure is greater than the first water inlet pressure, the first low-voltage switch L1 is closed to turn on the power supply circuit, so as to start to supply power to each component in the system, otherwise, the whole water purification system is closed.
In a further embodiment, on the first parallel branch of the power supply circuit, a first high-voltage switch H1 is connected in parallel on the power supply circuit, and a first high-voltage switch H1 is connected to a normally closed electromagnetic valve V1; wherein the first high pressure switch H1 is a normally closed switch, and the tripping pressure of the first high pressure switch H1 may be defined as the first tank pressure.
When the power supply circuit is in a power supply state, a first high-voltage switch H1 connected in parallel to the power supply circuit enters a working state, the first high-voltage switch H1 controls the on-off of a normally closed electromagnetic valve V1 according to the detected relation between the real-time water pressure of the circulating water tank 2 and the pressure of the first water tank, and the specific control process is as follows:
when the first high-voltage switch H1 detects that the real-time water pressure of the circulating water tank 2 is lower than the first water tank pressure, the first high-voltage switch H1 is in a normally closed state, namely the first high-voltage switch H1 is closed and conducted, the parallel branch is conducted to supply power to the normally closed electromagnetic valve V1, the normally closed electromagnetic valve V1 is electrified and conducted, and a water inlet pipeline of the circulating water tank 2 is communicated, so that tap water passing through the water purification filter element 1 can enter the circulating water tank 2 through the normally closed electromagnetic valve V1, and the water pressure in the circulating water tank 2 is changed; when the first high-voltage switch H1 detects that the real-time water pressure of the circulating water tank 2 is greater than the first water tank pressure, the first high-voltage switch H1 is disconnected and loses power, the parallel branch is cut off to supply power, and the normally closed electromagnetic valve V1 is disconnected and switched off, so that the water inlet pipeline of the circulating water tank 2 is closed, and tap water cannot enter the circulating water tank 2 through the normally closed electromagnetic valve V1.
By the above control manner, the water pressure of the circulation tank 2 can be maintained within the first tank pressure, thereby playing a role of protecting the circulation tank 2 to avoid the excessive pressure in the circulation tank 2.
In the further embodiment, on a second parallel branch of the power supply circuit, a second low-voltage switch L2 is connected in parallel to the power supply circuit, a second high-voltage switch H2 is connected in series with a second low-voltage switch L2, and a second high-voltage switch H2 is connected to a normally closed electromagnetic valve V1; wherein the second low-voltage switch L2 is a normally open switch, the take-off pressure of the second low-voltage switch L2 can be defined as the second water inlet pressure, and the second water inlet pressure is greater than the first water inlet pressure, the second high-voltage switch H2 is a normally closed switch, and the take-off pressure of the second high-voltage switch H2 can be defined as the second tank pressure.
When the power supply circuit is in a power supply state, the second low-voltage switch L2 connected in parallel on the power supply circuit enters a working state, the second low-voltage switch L2 controls the on-off of the parallel branch according to the detected relation between the real-time water inlet pressure and the second water inlet pressure, and the specific control process is as follows:
when the second low-voltage switch L2 detects that the real-time water inlet pressure is smaller than the second water inlet pressure, the second low-voltage switch L2 is in a normally open state, namely the second low-voltage switch L2 is disconnected and de-energized, so that the parallel branch is de-energized, the second high-voltage switch H2 connected in series with the second low-voltage switch L2 is in an de-energized state, and the parallel branch cannot supply power to the normally closed electromagnetic valve V1; when the second low-voltage switch L2 detects that the real-time water inlet pressure is greater than the second water inlet pressure, the second low-voltage switch L2 is powered on, the parallel branch is conducted, the second high-voltage switch H2 connected in series on the second low-voltage switch L2 enters a working state, at the moment, the second high-voltage switch H2 controls the on-off of the normally closed electromagnetic valve V1 according to the relation between the real-time water pressure of the circulating water tank 2 and the second water tank pressure, and the specific control process is as follows:
when the second high-voltage switch H2 detects that the real-time water pressure of the circulating water tank 2 is lower than the second water tank pressure, the second high-voltage switch H2 is in a normally closed state, namely the second high-voltage switch H2 is closed and conducted, the parallel branch is conducted to supply power to the normally closed electromagnetic valve V1, the normally closed electromagnetic valve V1 is electrified and conducted, and a water inlet pipeline of the circulating water tank 2 is communicated, so that tap water passing through the water purification filter element 1 can enter the circulating water tank 2 through the normally closed electromagnetic valve V1, and the water pressure in the circulating water tank 2 is changed; when the second high-voltage switch H1 detects that the real-time water pressure of the circulating water tank 2 is greater than the pressure of the second water tank, the second high-voltage switch H2 is disconnected and loses power, the parallel branch is cut off to supply power, and the normally closed electromagnetic valve V1 is disconnected in a power-off mode, so that a water inlet pipeline of the circulating water tank 2 is closed, and tap water cannot enter the circulating water tank 2 through the normally closed electromagnetic valve V1.
By the above control means, the water pressure of the circulation tank 2 can be maintained within the second tank pressure, thereby playing a role of protecting the circulation tank 2 to avoid the excessive pressure in the circulation tank 2.
In the two embodiments, the first low-voltage switch L1 is connected in series to the power supply circuit for controlling the on/off of the power supply circuit, two branches are connected in parallel to the power supply circuit, the first high-voltage switch H1 is connected in parallel to the power supply circuit in the first parallel branch, the second low-voltage switch L2 is connected in parallel to the power supply circuit in the second parallel branch, and the second high-voltage switch H2 is connected in series with the second low-voltage switch L2; the first high-voltage switch H1 and the second high-voltage switch H2 are connected in parallel to the normally closed electromagnetic valve V1.
In the working process, when the real-time water inlet pressure is greater than the first water inlet pressure, the first low-pressure switch L1 is closed to be powered on, the power supply circuit supplies power to the system, at the moment, the first high-pressure switch H1 on the first parallel branch enters a working state, the on-off of the normally closed electromagnetic valve V1 is controlled according to the relation between the real-time water pressure of the circulating water tank 2 and the pressure of the first water tank, and the working mode of the water purification system is defined as a low-pressure working mode; when the real-time water inlet pressure is greater than the first water inlet pressure and less than the second water inlet pressure, the second low-voltage switch L2 is always in a normally open state, namely the second low-voltage switch L2 is disconnected and loses power, the second parallel branch is in a power-off state, and the water purification system is still in a low-voltage working mode at the moment; when the real-time water inlet pressure is greater than the second water inlet pressure, the second low-pressure switch L2 is powered on, the second parallel branch is conducted, the second high-pressure switch H2 enters a working state, the normally closed solenoid valve V1 is controlled to be switched on and off according to the detected relation between the real-time water pressure of the circulating water tank 2 and the pressure of the second water tank, and the working mode of the water purification system is defined as a high-pressure working mode.
In the practical application process, the low-pressure working mode or the high-pressure working mode can be automatically selected according to the water inlet pressure to carry out water purification operation, the first high-pressure switch H1 and the second high-pressure switch H2 are connected in parallel to the normally closed electromagnetic valve V1, and the low-pressure working mode and the high-pressure working mode are free of interference and influence.
For example, the water purification system can automatically select a high-pressure working mode when the water inlet pressure is higher and applied to a low floor, and can automatically select a low-pressure working mode when the water inlet pressure is lower and applied to a high floor, and the working modes of the water purification system can be automatically switched according to the real-time water inlet pressure when the water inlet pressure is unstable during the water using peak period, so that the application requirements under different water inlet pressure regulation are met, the water purification system is more effectively and reliably protected, and the application range of the water purification system is expanded.
In the embodiment of the invention, referring to fig. 2, on the third parallel branch of the power supply circuit, a third low-voltage switch L3 is connected in parallel on the power supply circuit, and the third low-voltage switch L3 is connected to a normally-on electromagnetic valve V2; wherein the third low pressure switch L3 is a normally open switch, the trip pressure of the third low pressure switch L3 may be defined as a third tank pressure, and the third tank pressure is greater than the second tank pressure.
When the power supply circuit is in a power supply state, the third low-voltage switch L3 connected in parallel to the power supply circuit enters a working state, the third low-voltage switch L3 controls the on-off of the normally-on electromagnetic valve V2 according to the detected relation between the real-time water pressure of the circulating water tank 2 and the pressure of the third water tank, and the specific control process is as follows:
when the third low-pressure switch L3 detects that the real-time water pressure of the circulating water tank 2 is lower than the third water tank pressure, the third low-pressure switch L3 is in a normally open state, namely the third low-pressure switch L3 is disconnected and de-energized, so that the parallel branch is de-energized, the normally open electromagnetic valve V2 is in a normally open state, and the water inlet pipeline of the circulating water tank 2 is communicated; when the third low-pressure switch L3 detects that the real-time water pressure of the circulating water tank 2 is greater than the third water tank pressure, the third low-pressure switch L3 is closed to be powered on, the parallel branch is conducted, and the normally-on electromagnetic valve V2 is powered on and off, so that the water inlet pipeline of the circulating water tank 2 is closed, and tap water cannot enter the circulating water tank 2 through the normally-on electromagnetic valve V2.
Through the control mode, the normally open electromagnetic valve V2 is arranged on the pipeline of the circulating water tank 2, when one or more of the first high-voltage switch H1, the second low-voltage switch L2, the second high-voltage switch H2 and the normally closed electromagnetic valve V1 fails, the normally closed solenoid valve V1 is still in a conducting state when the water pressure in the circulation tank 2 is greater than the first tank pressure/the second tank pressure, at which time tap water enters the circulation tank 2 through the normally closed solenoid valve V1 to cause the water pressure in the circulation tank 2 to continue rising, when the third low pressure switch L3 detects that the real-time water pressure of the circulating water tank 2 is higher than the third tank pressure, the water inlet pipeline of the circulating water tank 2 is cut off through the normally-on electromagnetic valve V2, the water pressure of the circulating water tank 2 is maintained within the third tank pressure, thereby functioning to protect the circulation tank 2 from excessive pressure in the circulation tank 2. Therefore, the normal-open electromagnetic valve V2 can protect the circulation tank 2 from multiple pressures, so as to prolong the service life of the circulation tank 2.
In the embodiment, the on-off of the power supply circuit is controlled by arranging a first low-voltage switch L1, the high-low voltage operation mode is selectively switched by arranging a second low-voltage switch L2, the on-off of a normally closed electromagnetic valve V1 is controlled by arranging a first high-voltage switch H1 and a second high-voltage switch H2, and the on-off of a normally open electromagnetic valve V2 is controlled by arranging a third low-voltage switch L3; in the actual control process, each pressure switch controls the working state of the corresponding component according to the relation between the detected real-time water pressure and the tripping pressure of the pressure switch, and the pressure switch has the advantages of high control precision, good control stability and good control real-time property. In the control process of the normally closed electromagnetic valve V1 and the normally open electromagnetic valve V2, the on-off state of the normally closed electromagnetic valve V1 and the normally open electromagnetic valve V2 is controlled by the pressure switch, a control chip in the prior art is removed, a control chip does not need to be additionally arranged on the normally closed electromagnetic valve V1 and the normally open electromagnetic valve V2 to control the on-off state of the normally closed electromagnetic valve V1 and the normally open electromagnetic valve V35.
According to the invention, a first low-voltage switch is connected in series with a power supply circuit and used for controlling the on-off of the power supply circuit, a first high-voltage switch is connected in parallel with the power supply circuit, a second low-voltage switch is connected in parallel with the power supply circuit and a second high-voltage switch is connected in series with the second low-voltage switch, and the first high-voltage switch and the second high-voltage switch are connected in parallel with a normally closed electromagnetic valve; therefore, the water purification working state can be automatically selected according to the water inlet pressure, the application requirements under different water inlet pressure regulation are met, the water purification system is effectively and reliably protected, and the application range of the water purification system is expanded.
According to the water purification control system of the wastewater-free environment-friendly water pressure adaptation type of the first embodiment, in the practical application process, the technical scheme of the first embodiment can be applied to the water purification system comprising a plurality of water purification filter elements so as to meet the application requirements under different water inlet pressure regulation, and therefore the water purification system is protected more effectively and reliably.
Fig. 3 and 4 are schematic diagrams showing a connection relationship between a non-wastewater environment-friendly water pressure adaptive type water purification control system according to a second embodiment of the present invention, and fig. 4 is a schematic diagram showing a circuit connection between the non-wastewater environment-friendly water pressure adaptive type water purification control system shown in fig. 3.
Referring to fig. 3, an embodiment of the present invention provides a wastewater-free environment-friendly water pressure adaptive water purification control system, including: the device comprises a water inlet connector IN, a water purification filter element 1, a circulating water tank 2, an ion exchange resin filter element 3, a self-priming booster pump 4, an ultrafiltration membrane filter element 5, a reverse osmosis membrane filter element 6, an activated carbon filter element 7, a pressure water barrel 8, a first water outlet connector OUT1, a second water outlet connector OUT2 and a third water outlet connector OUT 3;
the water inlet interface IN, the water purification filter element 1, the circulating water tank 2, the ion exchange resin filter element 3, the self-priming booster pump 4, the ultrafiltration membrane filter element 5, the reverse osmosis membrane filter element 6 and the active carbon filter element 7 are sequentially connected through a pipeline, specifically, the water inlet interface IN is connected with an inlet of the water purification filter element 1, an outlet of the water purification filter element 1 is connected with an inlet of the circulating water tank 2, an outlet of the circulating water tank 2 is connected with an inlet of the ion exchange resin filter element 3, an outlet of the ion exchange resin filter element 3 is connected with an inlet of the self-priming booster pump 4, an outlet of the self-priming booster pump 4 is connected with an inlet of the ultrafiltration membrane filter element 5, an outlet of the ultrafiltration membrane filter element 5 is connected with an inlet of the, in addition, a flushing outlet of the reverse osmosis membrane filter element 6 is connected to an inlet of the circulating water tank 2 through a flushing electromagnetic valve, and a pressure water barrel 8 is arranged on a pipeline of the reverse osmosis membrane filter element 6 and the activated carbon filter element 7;
the first water outlet port OUT1 is connected to the outlet of the circulating water tank 2, the second water outlet port OUT2 is connected to the outlet of the ultrafiltration membrane filter element 5, and the third water outlet port OUT3 is connected to the outlet of the activated carbon filter element 7.
A control valve 9 is arranged on a pipeline between the water inlet connector IN and the water purification filter element 1, wherein the control valve 9 comprises a water inlet valve and a pressure reducing valve, the water inlet valve can adopt a ball valve, and the pressure reducing valve can adopt a ball column pressure reducing valve.
The water inlet interface IN is connected with a municipal tap water connector, and municipal tap water enters the water purification system through the water inlet interface IN; the water inlet valve behind the water inlet interface IN is a water inlet control valve of the water purification system, tap water enters the water purification system by opening the water inlet valve, the tap water is disconnected with the water purification system by closing the water inlet valve, the pressure reducing valve plays a role IN reducing and stabilizing pressure, and the water pressure of the tap water is kept within a stable pressure range after passing through the pressure reducing valve, so that the adverse effect of frequent change of the water pressure on the water purification system is avoided.
In this embodiment, the water purification filter element 1 is a first section of filter, the water purification filter element 1 adopts a PP filter element, which is formed by melt-blowing polypropylene PP plastic material, and the filtering precision is 1 micron; the PP filter element 1 is used for primarily filtering tap water, so that silt, impurities, colloid, suspended matters and the like in the tap water can be filtered, and the tap water raw water is primarily purified.
The circulation water tank 2 is used for storing tap water after being primarily filtered by the water purification filter element 1. The magnetic activator can be arranged in the circulating water tank 2, the water is magnetized and activated by the magnetic activator, the structure of water molecules is changed, the activity and the oxygen content of the water are increased, the pH value of the water is adjusted to enable the water to be alkalescent, and the phenomenon that the filter element is blocked due to crystallization of calcium, magnesium, iron and other ions in the water can be avoided by breaking the link between divalent ions and trivalent ions in the water.
The outlet of the circulating water tank 2 is connected with a first water outlet port OUT1, and tap water from the first water outlet port OUT1 is tap water preliminarily filtered by the PP filter element 1 and can also be called domestic water.
Referring to fig. 3, a normally closed solenoid valve V1 and a normally open solenoid valve V2 are provided on the pipeline between the water purification cartridge 1 and the circulation tank 2, wherein the normally open solenoid valve V2 may be provided on the pipeline between the water purification cartridge 1 and the normally closed solenoid valve V1. Connect first low pressure switch L1 and second low pressure switch L2 on the pipeline of interface IN and water purification filter core 1 of intaking, can establish first low pressure switch L1 and second low pressure switch L2 and be used for carrying out real-time detection to the pressure of intaking on the pipeline between water purification filter core 1 and control valve 9. The first high-pressure switch H1, the second high-pressure switch H2 and the third low-pressure switch L3 are connected to an inlet and outlet pipeline of the circulating water tank 2, and the first high-pressure switch H1, the second high-pressure switch H2 and the third low-pressure switch L3 can be arranged on a pipeline between the normally closed electromagnetic valve V1 and the circulating water tank 2 and used for detecting the water pressure in the circulating water tank 2 in real time.
Referring to fig. 4, in the circuit connection, the first low-voltage switch L1 is connected in series to the power supply circuit, the second low-voltage switch L2 is connected in parallel to the power supply circuit, both the first low-voltage switch L1 and the second low-voltage switch L2 are normally open switches, the first low-voltage switch L1 is powered on when the water inlet pressure is greater than the tripping pressure of the first low-voltage switch L1, and the second low-voltage switch L2 is powered on when the water inlet pressure is greater than the tripping pressure of the second low-voltage switch L2, wherein the tripping pressure of the first low-voltage switch L1 is less than the tripping pressure of the second low-voltage switch L2.
The first high-voltage switch H1 is connected in parallel to a power supply circuit, the second high-voltage switch H2 is connected in series to the second low-voltage switch L2, the first high-voltage switch H1 and the second high-voltage switch H2 are connected in parallel to the normally closed electromagnetic valve V1, the first high-voltage switch H1 and the second high-voltage switch H2 are normally closed switches, the first high-voltage switch H1 is disconnected and de-energized when the water pressure of the circulating water tank 2 is greater than the tripping pressure of the first high-voltage switch H1, the second high-voltage switch H7 is disconnected and de-energized when the water pressure of the circulating water tank 2 is greater than the tripping pressure of the second high-voltage switch H53925, wherein the tripping pressure of the first high-voltage switch H1 is less than the tripping pressure of the second high-voltage switch H685; in a specific pressure design process, for example, the take-off pressure of the first high-pressure switch H1 may be set to be less than the take-off pressure of the first low-pressure switch L1, and the take-off pressure of the second high-pressure switch H2 may be set to be less than the take-off pressure of the second low-pressure switch L2.
The third low-voltage switch L3 is connected in parallel to the power supply circuit and is connected to the normally-on electromagnetic valve V2, the third low-voltage switch L3 is a normally-open switch, when the water pressure of the circulating water tank 2 is greater than the tripping pressure of the third low-voltage switch L3, the third low-voltage switch L3 is closed to be electrified, and the tripping pressure of the third low-voltage switch L3 is greater than the tripping pressure of the second high-voltage switch H2.
According to the above technical solution, in the water purification system having a plurality of water purification cartridges according to the second embodiment of the present invention, the water purification control process refers to the first embodiment, which has the technical effects described in the first embodiment, and can meet the application requirements under different water inlet pressure adjustments, thereby more effectively and reliably protecting the water purification system.
The ion exchange resin filter element 3 is a second section of filter, the ion exchange resin filter element 3 can adopt a D001 food grade macroporous strong acid cation exchange resin filter element, the surface of the filter element is provided with a plurality of micropores, the filter element has an effective adsorption function, and small molecules, organic matters, heavy metals, water alkali and other reflective substances in tap water can be effectively removed; the filter is particularly suitable for filtering municipal tap water, underground water and surface water; the ion exchange resin filter element 3 does not need to be replaced, can be repeatedly used by replacing with industrial salt at regular intervals, is economical and durable, and saves the later maintenance cost.
The self-priming booster pump 4 is arranged between the ion exchange resin filter element 3 and the ultrafiltration membrane filter element 5, tap water passing through the ion exchange resin filter element 3 is pumped into the ultrafiltration membrane filter element 5 through the self-priming booster pump 4 for further filtration, the self-priming booster pump 4 is connected with the control module C, the working state of the self-priming booster pump 4 is controlled through the control module C, and in the working state, the water in the circulating water tank 3 is pumped into the next stage of filter element through the self-priming booster pump 4 for filtration.
The ultrafiltration membrane filter element 5 is a third section of filtration, the ultrafiltration membrane filter element 5 can be formed by adopting polyvinylidene fluoride PVDF material through high-temperature hot melting and stretching into filaments, the mechanical property is excellent, the maximum aperture of the micropores passing through the water is 0.02 micron, and viruses, bacteria, collagen and fine substances in the water can be effectively removed; the ultrafiltration membrane filter element 5 can be cleaned for many times, the service cycle can reach 5-6 years, and the later maintenance cost is low.
The outlet of the ultrafiltration membrane filter element 5 is connected with a second water outlet port OUT2, and tap water from the second water outlet port OUT2 is ultrafiltration water which is subjected to three-stage filtration by the PP filter element 1, the ion exchange resin filter element 4 and the ultrafiltration membrane filter element 5.
Reverse osmosis membrane filter core 6 is the fourth section and filters, and its filtering accuracy is up to 0.0001 micron, can filter the micro molecule, organism, colloid, microorganism etc. in the aquatic effectively, and wherein, reverse osmosis membrane filter core 6 washes the export and is connected to circulating water tank 2 through washing solenoid valve V3, washes solenoid valve V3 and is connected to on the control module C, washes solenoid valve V3 and can establish to throttle solenoid valve, controls the operating condition of washing solenoid valve V3 through control module C.
For example, before water is produced, the control module C controls the throttle solenoid valve to be powered on, and the valve core of the throttle solenoid valve is completely opened to perform flushing operation, so that pre-flushing can be performed; in the process of water production, the control module C controls the power failure of the throttling electromagnetic valve, the valve core of the throttling electromagnetic valve is in a throttling state, and the wastewater passing through the reverse osmosis membrane filter element 6 can return to the circulating water tank through the throttling electromagnetic valve for recycling; after the water is produced, the control module C controls the throttle electromagnetic valve to be electrified, and the valve core of the throttle electromagnetic valve is completely opened for flushing operation, so that the delayed flushing can be realized.
The activated carbon filter element 7 is used for filtering in the fifth section, and the activated carbon filter element 7 can adopt a coconut shell activated carbon filter element, so that residual chlorine and peculiar smell in water can be further removed, bacteria can be inhibited, and the taste can be improved.
The outlet of the activated carbon filter element 7 is connected with a third water outlet port OUT3, and tap water from the third water outlet port OUT3 is pure water which is filtered by five sections of the PP filter element 1, the ion exchange resin filter element 4, the ultrafiltration membrane filter element 5, the reverse osmosis membrane filter element 6 and the activated carbon filter element 7.
Be equipped with pressure cask 8 on the pipeline between reverse osmosis membrane filter core 6 and active carbon filter core 7, pressure cask 8 is used for carrying OUT the pure water storage after four sections filters through reverse osmosis membrane filter core 6, and the pure water rethread third water outlet port OUT3 emits after the active carbon filter core 7 of storage in pressure cask 8 filters.
Referring to fig. 3, a pressure sensor is connected to a pipeline of the pressure water barrel 8 for detecting the water pressure of the pressure water barrel 8, the pressure sensor is connected to a control module C, and the control module C controls the working state of the self-priming booster pump 4 according to a detection signal of the pressure sensor 8.
In practical applications, referring to fig. 4, the pressure sensor is a third high-voltage switch H3, the third high-voltage switch H3 is a normally closed switch, the tripping pressure of the third high-voltage switch H3 can be defined as the set pressure of the water bucket, and the control module C is configured to control the operating state of the self-priming booster pump according to the on-off signal of the third high-voltage switch H3.
When the power supply circuit is in a power supply state, the third high-voltage switch H3 sends out an on-off signal according to the relation between the detected real-time water pressure of the pressure water barrel 8 and the set pressure of the water barrel, and the control module C controls the working state of the self-priming booster pump 4 according to the on-off signal of the third high-voltage switch H3, and the specific control process is as follows:
when the third high-voltage switch H3 detects that the real-time water pressure of the pressure water barrel 8 is smaller than the set pressure of the water barrel, the third high-voltage switch H3 is in a normally closed state, the third high-voltage switch H3 is closed and conducted, the third high-voltage switch H3 is in a conducting state at the moment, and the control module C controls the self-priming booster pump 4 to normally work; when the third high-voltage switch H3 detects that the real-time water pressure of the pressure water barrel 8 is greater than the set pressure of the water barrel, the third high-voltage switch H3 is powered off, the third high-voltage switch H3 is in a power-off state at the moment, and the control module C controls the self-priming booster pump 4 to stop working after time-delay flushing.
In the practical application process, the first low-voltage switch L1 may be an adjustable pressure type low-voltage switch, the second low-voltage switch L2 may be an adjustable pressure type low-voltage switch, the third low-voltage switch L3 may be an adjustable pressure type low-voltage switch, the first high-voltage switch H1 may be an adjustable pressure type high-voltage switch, the second high-voltage switch H2 may be an adjustable pressure type high-voltage switch, and the third high-voltage switch H3 may be an adjustable pressure type high-voltage switch.
For example, in the actual design process, the design bearing pressure of the circulation water tank 2 is 4kg, and the first water inlet pressure may be set to 0.6kg, the second water inlet pressure may be set to 1.2kg, the first water tank pressure may be set to 0.4kg, the second water tank pressure may be set to 0.9kg, and the third water tank pressure may be set to 1.5 kg; the designed bearing pressure of the pressure bucket is 10kg, and the set pressure of the bucket is 2.5 kg; wherein 1kg is 0.1 kpa.
In the embodiment of the present invention, the first water outlet port OUT1 may be connected to a single-outlet faucet, and the second water outlet port OUT2 and the third water outlet port OUT3 may be connected to two ports of a double-outlet faucet, respectively.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a no waste water environmental protection water pressure adaptation type water purification control system which characterized in that includes: the water purifier comprises a water inlet interface, a water purifying filter element, a circulating water tank and a first water outlet interface;
the water inlet connector, the water purification filter element, the circulating water tank and the first water outlet connector are sequentially connected through a pipeline, and a normally closed electromagnetic valve is arranged on the pipeline of the water purification filter element and the pipeline of the circulating water tank; a first low-pressure switch and a second low-pressure switch for detecting water inlet pressure are connected to the water inlet interface and the water purification filter element, and a first high-pressure switch and a second high-pressure switch for detecting water pressure of the circulating water tank are connected to the inlet and outlet pipelines of the circulating water tank;
the first low-voltage switch is connected in series with the power supply circuit, the second low-voltage switch is connected in parallel with the power supply circuit, the first low-voltage switch and the second low-voltage switch are both normally-open switches, the first low-voltage switch is closed to be powered when the water inlet pressure is greater than the tripping pressure of the first low-voltage switch, the second low-voltage switch is closed to be powered when the water inlet pressure is greater than the tripping pressure of the second low-voltage switch, and the tripping pressure of the first low-voltage switch is smaller than the tripping pressure of the second low-voltage switch;
the first high-voltage switch is connected in parallel to the power supply circuit, the second high-voltage switch is connected in series to the second low-voltage switch, the first high-voltage switch and the second high-voltage switch are connected in parallel to a normally closed electromagnetic valve, the first high-voltage switch and the second high-voltage switch are normally closed switches, the first high-voltage switch is disconnected and de-energized when the water pressure of the circulating water tank is greater than the tripping pressure of the first high-voltage switch, the second high-voltage switch is disconnected and de-energized when the water pressure of the circulating water tank is greater than the tripping pressure of the second high-voltage switch, and the tripping pressure of the first high-voltage switch is smaller than the tripping pressure of the second high-voltage switch;
the water purification control system at least has a low pressure operating condition and/or a high pressure operating condition, wherein:
when the water pressure of the inlet water is greater than the tripping pressure of the first low-pressure switch, the first low-pressure switch is closed to be electrified, and the water purification control system enters a low-pressure working state; in a low-pressure working state, when the water pressure of the circulating water tank is smaller than the tripping pressure of the first high-pressure switch, the first high-pressure switch is closed to be electrified, the normally closed electromagnetic valve is electrified and conducted, when the water pressure of the circulating water tank is larger than the tripping pressure of the first high-pressure switch, the first high-pressure switch is disconnected and de-electrified, and the normally closed electromagnetic valve is disconnected and turned off;
when the water pressure of the inlet water is greater than the tripping pressure of the second low-voltage switch, the first low-voltage switch is closed to be electrified, the second low-voltage switch is closed to be electrified, and the water purification control system enters a high-pressure working state; under the high-pressure working state, when the water pressure of the circulating water tank is smaller than the tripping pressure of the second high-pressure switch, the second high-pressure switch is closed to be electrified, the normally closed electromagnetic valve is electrified and conducted, when the water pressure of the circulating water tank is larger than the tripping pressure of the second high-pressure switch, the second high-pressure switch is disconnected and de-electrified, and the normally closed electromagnetic valve is powered off and switched off;
a normally-on electromagnetic valve is arranged on a pipeline of the water purification filter element and the circulating water tank, a third low-voltage switch for detecting the water pressure of the circulating water tank is connected to an inlet and outlet pipeline of the circulating water tank, the third low-voltage switch is connected to the power supply circuit in parallel and is connected to the normally-on electromagnetic valve, the third low-voltage switch is a normally-open switch, the third low-voltage switch is closed to be electrified when the water pressure of the circulating water tank is greater than the tripping pressure of the third low-voltage switch, and the tripping pressure of the third low-voltage switch is greater than the tripping pressure of the second high-voltage switch;
the first high-pressure switch and the second high-pressure switch are connected to the normally closed electromagnetic valve and a pipeline of the circulating water tank; the normally open electromagnetic valve is connected to the water purifying filter element and the pipeline of the normally closed electromagnetic valve.
2. The wastewater-free environment-friendly water pressure adaptive type water purification control system according to claim 1, further comprising an ion exchange resin filter element, a self-priming booster pump, an ultrafiltration membrane filter element, and a second water outlet interface; the inlet of the ion exchange resin filter element is connected to the circulating water tank, the outlet of the ion exchange resin filter element is connected with the inlet of the self-suction booster pump, the outlet of the self-suction booster pump is connected with the inlet of the ultrafiltration membrane filter element, and the second water outlet interface is connected to the outlet of the ultrafiltration membrane filter element.
3. The wastewater-free environment-friendly water pressure adaptive water purification control system according to claim 2, further comprising a reverse osmosis membrane filter element, an activated carbon filter element, and a third water outlet interface; the import of reverse osmosis membrane filter core and the exit linkage of ultrafiltration membrane filter core, the export of reverse osmosis membrane filter core and the access connection of active carbon filter core, third play water interface connection to active carbon filter core's export.
4. The wastewater-free environment-friendly water pressure adaptive water purification control system according to claim 3, wherein a flushing outlet of the reverse osmosis membrane filter element is connected to the circulation water tank, a flushing solenoid valve is arranged on a pipeline between the reverse osmosis membrane filter element and the circulation water tank, and the flushing solenoid valve is connected to the control module.
5. The wastewater-free environment-friendly water pressure adaptive type water purification control system according to claim 4, wherein the flushing solenoid valve is a throttling solenoid valve.
6. The wastewater-free environment-friendly water pressure adaptive water purification control system according to any one of claims 3 to 5, further comprising a pressure water tank, wherein the pressure water tank is arranged on a pipeline between the reverse osmosis membrane filter element and the activated carbon filter element.
7. The water purification control system of claim 6, wherein a pressure sensor is connected to the pipeline of the pressure water tank for detecting the water pressure of the pressure water tank, the pressure sensor is connected to the control module, and the control module is used for controlling the operation state of the self-priming booster pump according to the detection signal of the pressure sensor.
8. The wastewater-free environment-friendly water pressure adaptive type water purification control system according to claim 7, wherein the pressure sensor is a third high-pressure switch, the third high-pressure switch is a normally closed switch, and the third high-pressure switch is turned off and de-energized when the water pressure of the pressure water bucket is greater than the tripping pressure of the third high-pressure switch.
9. The wastewater-free environment-friendly water pressure adaptive type water purification control system according to claim 7 or 8, wherein a water inlet valve and a pressure reducing valve are arranged on a pipeline between the water inlet interface and the water purification filter element.
10. The wastewater-free environment-friendly water pressure adaptive type water purification control system according to claim 9, wherein the first low pressure switch is a pressure-adjustable low pressure switch, and/or the second low pressure switch is a pressure-adjustable low pressure switch, and/or the third low pressure switch is a pressure-adjustable low pressure switch, and/or the first high pressure switch is a pressure-adjustable high pressure switch, and/or the second high pressure switch is a pressure-adjustable high pressure switch, and/or the third high pressure switch is a pressure-adjustable high pressure switch.
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