CN108773920B - Water purification system, water purification method and device - Google Patents
Water purification system, water purification method and device Download PDFInfo
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- CN108773920B CN108773920B CN201810517832.9A CN201810517832A CN108773920B CN 108773920 B CN108773920 B CN 108773920B CN 201810517832 A CN201810517832 A CN 201810517832A CN 108773920 B CN108773920 B CN 108773920B
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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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
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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
- C02F1/441—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/124—Water desalination
- Y02A20/131—Reverse-osmosis
Abstract
The invention discloses a water purifying system, a water purifying method and a water purifying device. Wherein, this water purification system includes: a reflow apparatus, the reflow apparatus comprising: the control module is connected with the first pressure stabilizing pump and used for controlling the opening and closing of the first pressure stabilizing pump; the first pressure stabilizing pump is connected with the rear filter element and is used for executing a circulation mode; the circulating mode is that the first pressure stabilizing pump conveys pure water of a pipeline at the tail end of the rear filter element to the front end of the rear filter element. The invention can form a water circulation system from the front end of the rear filter element to the pressure stabilizing pump. The water in the water tank can keep a flowing state, so that bacteria breeding is avoided, bacteria of drinking water of a user are guaranteed not to exceed standards, and the use experience of the user is improved.
Description
Technical Field
The invention relates to the technical field of water purification, in particular to a water purification system, a water purification method and a water purification device.
Background
At present, the water purifier has wide application because the water purifier has good effects in removing sediment, peculiar smell, heavy metals, organic matters, bacteria and viruses and the like. However, if the water in the water purifier is not circulated for a long time, the water is not used, the water can be stored in the pressure pipe, the filter element and the pipeline, so that a large amount of bacteria are bred, secondary pollution of the purified water is caused, and finally the bacteria of the water drunk by a user exceed the standard, so that the physical and mental health of the user is not facilitated.
In order to solve the problems, ultraviolet lamps and ozone are mainly adopted in the related art for sterilization and disinfection. However, the time required for starting the ultraviolet lamp to the maximum sterilization power is long, and a few minutes are required, so that bacteria can not be prevented from growing in the time. Ozone has a good disinfection effect, but the ozone has high oxidability, so that the ozone is easy to corrode a pipeline and a filter element, the structure of the water purifier is damaged, and the service life of the water purifier is influenced.
Aiming at the problem that the bacteria in drinking water are out of standard easily caused by long-term non-use of the water purifier in the prior art, no effective solution is proposed at present.
Disclosure of Invention
The embodiment of the invention provides a water purifying system, a water purifying method and a water purifying device, which are used for solving the problem that bacteria in drinking water are easy to exceed standards when a water purifier is not used for a long time in the prior art.
To solve the above technical problem, in a first aspect, the present invention provides a water purification system, which is characterized in that the water purification system includes: a reflow apparatus, the reflow apparatus comprising: the control module and the first pressure stabilizing pump,
the control module is connected with the first pressure stabilizing pump and used for controlling the opening and closing of the first pressure stabilizing pump;
the first pressure stabilizing pump is connected with the rear filter element and is used for executing a circulation mode; the circulating mode is that the first pressure stabilizing pump conveys pure water of the tail end pipeline of the rear filter element to the front end of the rear filter element.
Further, the reflow apparatus further includes: the pulse flowmeter is connected with the control module and used for detecting whether the water purifying system is in a water production stopping mode or not, and if so, the pulse flowmeter feeds back a water production stopping signal to the control module; and the control module is also used for sending a circulation start signal to the first pressure stabilizing pump and the pulse flowmeter after receiving the water production stopping signal and the first preset time interval.
Further, the control module is further configured to periodically or intermittently send a cycle on signal and a cycle off signal to the first stabilized pump and the pulse flowmeter; and a second preset time is arranged between the cycle opening signal and the cycle closing signal.
Further, the control module further includes: the system comprises an acquisition chip, wherein the acquisition chip is used for acquiring water use time information of a user, and the control module is used for determining the time for sending the circulation start signal and the circulation close signal according to the water use time information so that the circulation mode is completed before the user takes water.
Further, the pulse flowmeter is further configured to, when in the circulation mode and a signal of user water intake is monitored, feed back the signal of user water intake to the control module; and the control module is also used for sending a circulation closing signal to the first pressure stabilizing pump and the pulse flowmeter after receiving the signal of the user for water intake.
Further, the water return device further includes: the first check valve is arranged between the first pressure stabilizing pump and the rear filter element and used for ensuring that water can flow through the rear filter element when a user takes water.
Further, the water purification system further includes: the water tap comprises a first-stage filter element, a second-stage filter element, a third-stage filter element, an electromagnetic valve, a second pressure stabilizing pump, a reverse osmosis membrane, a second check valve, a rear filter element, a wastewater ratio electromagnetic valve connected with the reverse osmosis membrane and a water tap which are sequentially connected.
Further, the water purification system further comprises a high-voltage switch and a pressure barrel connected with the high-voltage switch, wherein the pressure barrel is used for storing water.
In a second aspect, the present invention provides a water purifying method, applied to the above water purifying system, the method includes:
monitoring whether the water purifying system is in a water production stopping mode or not through a pulse flowmeter;
when the water purifying system is in the water producing stopping mode and a first preset time period is reserved, a circulation mode is started; the circulating mode is to control the first pressure stabilizing pump to convey pure water of a pipeline at the tail end of the rear filter element to the front end of the rear filter element.
Further, when the water purification system is in the water preparation stopping mode and the first preset time period is set, starting the circulation mode includes: and periodically or intermittently controlling the first stabilized pump and the pulse flowmeter to execute the circulation mode, wherein the circulation mode lasts for a second preset time period.
Further, the method further comprises: acquiring water use time information of a user; and determining the time for executing the circulation mode by the first stabilized pump and the pulse flowmeter according to the water use time information so that the circulation mode is completed before the user takes water.
Further, the method further comprises: monitoring whether a user is taking water; and when the user is monitored to take water, controlling the first stabilized pump and the pulse flowmeter to exit from the circulation mode.
In a third aspect, the present invention also provides a water purifying apparatus for performing the above water purifying method, the apparatus comprising:
the monitoring module is used for monitoring whether the water purifying system is in a water production stopping mode or not through the pulse flowmeter;
the circulation mode starting module is used for starting a circulation mode when the water purifying system is in the water making stopping mode and a first preset time period is reserved; the circulating mode is to control the first pressure stabilizing pump to convey pure water of a pipeline at the tail end of the rear filter element to the front end of the rear filter element.
Further, the circulation mode starting module is further configured to control the first pressure stabilizing pump and the pulse flowmeter to execute the circulation mode periodically or intermittently, where the circulation mode lasts for a second preset duration.
Further, the apparatus further comprises: the acquisition module is used for acquiring the water use time information of the user; and the determining module is used for determining the time for executing the circulation mode by the first pressure stabilizing pump and the pulse flowmeter according to the water use time information so that the circulation mode is completed before the user takes water.
Further, the monitoring module is also used for monitoring whether a user is taking water; the circulation mode opening module is further used for controlling the first pressure stabilizing pump and the pulse flowmeter to exit the circulation mode when the user water taking is monitored.
By applying the technical scheme of the invention, the water purifying system comprises: a reflow apparatus, the reflow apparatus comprising: the control module is connected with the first pressure stabilizing pump and is used for controlling the opening and closing of the first pressure stabilizing pump; the first pressure stabilizing pump is connected with the rear filter element and is used for executing a circulation mode; the circulating mode is that the first pressure stabilizing pump conveys pure water of a pipeline at the tail end of the rear filter element to the front end of the rear filter element. Therefore, the control module can control the first pressure stabilizing pump to convey pure water of the tail end pipeline of the rear filter element to the front end of the rear filter element, so that a water circulation system from the front end of the rear filter element to the pressure stabilizing pump is formed. The water in the water tank can keep a flowing state, so that bacteria breeding is avoided, bacteria of drinking water of a user are guaranteed not to exceed standards, and the use experience of the user is improved.
Drawings
Fig. 1 is a schematic view of a water purification system according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a water purification system according to an embodiment of the present invention;
fig. 3 is a flow chart of a water purification method according to an embodiment of the present invention;
fig. 4 is a flow chart of a water purification method according to an embodiment of the present invention;
fig. 5 is a flow chart of a water purification method according to an embodiment of the present invention;
fig. 6 is a block diagram illustrating a structure of a water purifying apparatus according to an embodiment of the present invention;
fig. 7 is a block diagram illustrating a structure of a water purifying apparatus according to an embodiment of the present invention.
Detailed Description
The invention will be described in further detail with reference to the drawings and the specific embodiments, it being understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
In the following description, suffixes such as "module", "component", or "unit" for representing elements are used only for facilitating the description of the present invention, and have no specific meaning per se. Thus, "module," "component," or "unit" may be used in combination.
In order to solve the problem that in the prior art, when the water purifier is not used for a long time, bacteria in drinking water are easy to exceed standards. An embodiment of the present invention provides a water purification system, as shown in fig. 1, including: reflow apparatus 101, reflow apparatus 101 includes: a control module 1011 and a first booster pump 1012, and fig. 2 shows a schematic configuration of a water purification system according to an embodiment of the present invention.
As shown in fig. 1 and 2, the control module 1011 is connected to the first booster pump 1012 and is used for controlling the opening and closing of the first booster pump 1012;
a first stabilizing pump 1012 connected to the post filter element 9 for executing a circulation mode; the circulation mode is that the first stabilizing pump 1012 conveys pure water in the tail end pipeline of the post filter element 9 to the front end of the post filter element 9.
Thus, the control module 1011 can control the first stabilizing pump 1012 to convey pure water from the end pipeline of the post-filter element 9 to the front end of the post-filter element 9, so as to form a water circulation system from the front end of the post-filter element 9 to the first stabilizing pump 1012. The water in the water tank can keep a flowing state, so that bacteria breeding is avoided, bacteria of drinking water of a user are guaranteed not to exceed standards, and the use experience of the user is improved.
In a water purification system, the water production process is not continuous, but is divided into time intervals. When the water production is stopped, if the prepared pure water is not used by a user within a certain period of time, the pure water can stand still and remain in the water purification system, and the non-circulating water can cause bacteria to grow so as to influence the physical and mental health of the user. The control module 1011 in the embodiment of the present invention may send a signal to the first booster pump 1012, control the opening and closing of the first booster pump 1012, and control the first booster pump 1012 to perform the circulation mode. The loop pattern may be stored by the storage module and invoked by the control module 1011. When the first stabilizing pump 1012 executes the circulation mode, pure water in the end pipeline of the post-filter element 9 is pumped out and delivered to the front end of the post-filter element 9. The water delivered to the front end of the rear filter element 9 is filtered by the rear filter element 9 and then delivered by the first stabilizing pump 1012, so that a water circulation system is formed. Until the user opens tap 14 to remove the circulated water. Therefore, the circulation of the part of water is ensured, and the breeding of bacteria is avoided. The pure water in the end pipeline of the post-filter element 9 is water which has undergone three-stage filtration and is filtered by the post-filter element 9. Even if bacteria are present due to non-circulation, they are not equivalent to waste water. And the rear filter element 9 can be a composite filter element, so that the filter has a stronger filtering effect. Or may be activated carbon or carbon rod.
In one possible implementation, as shown in fig. 1 and 2, the backflow device 101 further includes a pulse flow meter 12 connected to the control module 10 for detecting whether the water purification system is in a stop water production mode, and if so, feeding back a stop water production signal to the control module.
The control module 10 is further used for periodically or intermittently sending a circulation start signal and a circulation close signal to the first pressure stabilizing pump 13 and the pulse flowmeter 12; and a second preset time is arranged between the cycle opening signal and the cycle closing signal.
The control module 10 and the first booster pump 13 in fig. 2 are equivalent to the control module 1011 and the first booster pump 1012 in fig. 1.
When the control module 10 is configured to periodically send the cycle on signal and the cycle off signal to the first voltage stabilizing pump 13 and the pulse flowmeter 12, the cycle may be arbitrarily valued between 1 hour and 8 hours, and the second preset time period may be arbitrarily valued between 1 minute and 60 minutes. The period and the second preset duration can directly adopt setting parameters in factory delivery, and can also be selected and set by a user according to actual needs. If the user takes water more frequently, the period may be relatively longer; if the amount of water taken is small, the second preset time period may be relatively short.
Table 1 shows that the sampling time, the cycle period (period) was 2 hours, and the cycle time (second preset duration) was 4 minutes at different intervals; the cycle period (cycle) is 4 hours, and the cycle time (second preset duration) is 5 minutes, and the total number of the water outlet bacteria at the tail end of the water purification system is the value. Wherein, the water discharged from the tail end of the water purifying system is the water received by the user through the tap 14.
TABLE 1
Table 2 shows that the sampling time, the cycle period (period) was 8 hours, and the cycle time (second preset duration) was 6 minutes at different intervals; the cycle period (cycle) is 16 hours, and the cycle time (second preset duration) is 8 minutes, and the total number of the water outlet bacteria at the tail end of the water purification system is the value.
TABLE 2
From the above two tables, the cycle time increases with the cycle period, and when the cycle period increases, the cycle mode needs to last for a longer time to ensure that the total number of the water bacteria at the tail end of the water purification system is less than 1. Therefore, the bacteria in the water taking process at the tail end can be ensured not to exceed the standard, and the physical and mental health of the user can be ensured.
When the control module 10 is configured to intermittently send the cycle on signal and the cycle off signal to the first booster pump 13 and the pulse flowmeter 12, the interval time between the current cycle mode and the next cycle mode is not fixed, for example, the interval time may be in a gradually increasing trend. In a specific application example, the user takes water more frequently in the daytime, and the interval time can be gradually increased, so that the influence of the circulation mode on the normal water taking of the user is avoided.
In summary, the periodic or intermittent open cycle mode better meets the actual needs of users and the working state of the water purification system, which is beneficial to energy saving and avoids idle work. And the user participates in setting the parameters instead of immobilizing the parameters, so that the method has more intelligence and further improves the use experience of the user.
In one possible implementation, the control module 10 further includes: a collection chip (not shown in fig. 2) for obtaining the water use time information of the user, and a control module 10 for determining the time for transmitting the circulation on signal and the circulation off signal according to the water use time information, so that the circulation mode is completed before the user takes water.
The collection chip can automatically collect the water frequency and the water period of the user and send the information to the control module 10, so that the circulation mode avoids the water period of the user and the water making period of the water purifying system, and the water purifying system is prevented from waterway interference caused when multiple modes are executed simultaneously. And the circulation mode is automatically started according to the water habit of the user, so that the water quality drunk by the user can be ensured to be in a fresh and pollution-free state at any time.
The function of the acquisition chip is further illustrated with specific application examples. The user is in a sleep state at night, and the probability of taking water by the user is low in normal cases. While on the daytime, the water consumption probability of the user is relatively high. The period of the circulation mode may be set to 1 to 2 hours during the daytime and the second preset time period, i.e., the duration of the circulation mode, is set to 1 to 5 minutes. Further, the control cycle mode is turned on 1 to 60 minutes before the user takes water. For example, if the user takes water at 1 pm, the control cycle mode is started before the control cycle mode, so that when the user takes water, the cycle mode is finished, and the water quality is in a fresh and pollution-free state.
In one possible implementation, the pulse flowmeter 12 is configured to detect whether the water purification system is in a water stop mode, and if so, to feed back a water stop signal to the control module 10; the control module 10 is further configured to send a cycle start signal to the first pressure stabilizing pump 13 and the pulse flowmeter 12 after receiving the water production stop signal and for a first preset time period.
When the water purification system is in the water production mode, the pulse flowmeter continuously impacts the fluid, and when the water purification system is in the water production stopping mode, the pulse flowmeter cannot sense the impact of the fluid and can feed back a water production stopping signal to the control module 10.
When the water purification system is in the water production mode, if the circulation mode is started, the circulation mode and the water production mode can interfere with each other and even affect the normal use of the water purification system, so that the service life of the water purification system is shortened. Accordingly, the pulse flowmeter 12 is provided, and when the pulse flowmeter 12 senses that the water purification system is in the water production stop mode, this signal is fed back to the control module 10. The control module 10 waits for a first preset duration, and after the water purification system finishes making water completely and is in a stable state, the circulation start signal is sent again, so that the water purification system is prevented from being disturbed due to execution of multiple modes when the water purification system is unstable.
When the water production mode is stopped immediately, pure water at the end of the post-filter element 9 is prepared immediately before bacteria are not grown, and the circulation mode is not required to be started. The first preset time interval is also beneficial to saving energy.
Further, the pulse flowmeter 12 is further configured to, when in the circulation mode and the signal of the user intake is monitored, feed back the signal of the user intake to the control module 10; the control module 10 is further configured to send a cycle close signal to the first pressure stabilizing pump 13 and the pulse flowmeter 12 after receiving a signal from a user to take water.
Therefore, the circulation mode is stopped, a user can take water at the tap 14, interference to the water taking of the user is avoided, and the situation that bacteria are out of standard after the water taken out by the user is subjected to circulation filtration is ensured, so that physical and mental health of the user is ensured.
In one possible implementation, as shown in fig. 1 and 2, the reflow apparatus 101 further includes: the first check valve 11 is arranged between the first pressure stabilizing pump 13 and the rear filter element 9 and is used for ensuring that water can flow through the rear filter element 9 when a user takes water.
Wherein, when first check valve 11 can prevent that the user from normally getting water, water does not pass through post filter core 9, further guarantees that water can only be drunk by the user after the filtration of post filter core 9.
In one possible implementation, as shown in fig. 2, the water purification system further includes: the water purification system comprises a first-stage filter element 1, a second-stage filter element 2, a third-stage filter element 3, an electromagnetic valve 4, a second pressure stabilizing pump 5, a reverse osmosis membrane 6, a second check valve 8, a rear filter element 9, a wastewater ratio electromagnetic valve 7 connected with the reverse osmosis membrane 6 and a water tap 14, a high-voltage switch 15 and a pressure barrel 16 connected with the high-voltage switch 15, wherein the pressure barrel 16 is used for storing water.
The first-stage filter element 1 can be PP cotton, the second-stage filter element 2 can be granular activated carbon, and the third-stage filter element 3 can be compressed activated carbon. The water purification system can discharge concentrated water (waste water) through the waste water ratio solenoid valve 7, and regulate the flow rate of the discharged concentrated water through the waste water ratio solenoid valve 7. The pressure tank 16 and the high-pressure switch 15 may constitute a water storage system. The water prepared by the water purification system can be stored in the pressure barrel 16, so that when a user needs to take water, the water can be taken from the pressure barrel 16 immediately, and the water preparation of the water purification system is not required to wait. It will be appreciated that the pressure tank 16 and the high pressure switch 15 are not necessary for the water purification system.
The structure in this implementation is the structure of the existing water purification system, and will not be described here again.
Fig. 3 shows a flowchart of a water purifying method according to an embodiment of the present invention, and as shown in fig. 3, the method is applied to the water purifying system according to the above embodiment, and the method includes:
step S201, monitoring whether the water purifying system is in a water producing stopping mode or not through a pulse flowmeter.
Step S202, when the water purifying system is in a water producing stopping mode and a first preset time period is reserved, a circulation mode is started.
The circulating mode is to control the first pressure stabilizing pump to convey pure water of the tail end pipeline of the rear filter element to the front end of the rear filter element.
Wherein, step S202 includes: when the water purifying system is in a water making stopping mode and a first preset time period is reserved, starting a circulation mode comprises the following steps: and periodically or intermittently controlling the first pressure stabilizing pump and the pulse flowmeter to execute a circulation mode, wherein the circulation mode lasts for a second preset time period.
Therefore, the first pressure stabilizing pump can be controlled to convey pure water at the tail end of the rear filter element to the front end of the rear filter element, and a water circulation system from the front end of the rear filter element to the first pressure stabilizing pump is formed. The water in the water tank can keep a flowing state, so that bacteria breeding is avoided, bacteria of drinking water of a user are guaranteed not to exceed standards, and the use experience of the user is improved. And when the water purification system is in the water production mode, if the circulation mode is started, the circulation mode and the water production mode can generate interference and even influence the normal use of the water purification system, thereby shortening the service life of the water purification system. Therefore, the pulse flowmeter is arranged, when the pulse flowmeter senses that the water purifying system is in the water producing stopping mode, the water purifying system waits for a first preset time period, and after the water producing of the water purifying system is completely finished and is in a stable state, the circulating mode is started again, so that the water purifying system is prevented from being disturbed due to the execution of multiple modes when the water purifying system is unstable.
When the water making mode is just stopped, pure water at the tail end of the rear filter element is just prepared, bacteria are not bred, and the circulation mode does not need to be started. The first preset time interval is also beneficial to saving energy.
In one possible implementation, fig. 4 shows a flow chart of a water purification method according to an embodiment of the present invention, the method comprising:
step S301, acquiring water use time information of a user;
step S302, determining the time for executing the circulation mode by the first stabilized pump and the pulse flowmeter according to the water consumption time information, so that the circulation mode is completed before a user takes water.
Therefore, the circulation mode can be automatically started according to the water habit of the user, and the water quality drunk by the user can be ensured to be in a fresh and pollution-free state at any time.
In one possible implementation, fig. 5 shows a water purification method according to an embodiment of the present invention, the method comprising:
step 401, monitoring whether a user is taking water;
and step 402, when the user is monitored to take water, controlling the first pressure stabilizing pump and the pulse flowmeter to exit the circulation mode.
Therefore, when a user takes water from the faucet, the user can exit from the circulation mode without causing interference to the water taking of the user, and the bacteria can be prevented from exceeding the standard after the water taken out by the user is circularly filtered, so that the physical and mental health of the user is ensured.
Fig. 6 shows a water purifying apparatus according to an embodiment of the present invention for performing the water purifying method according to the above embodiment, the apparatus including:
a monitoring module 501 for monitoring whether the water purification system is in a water production stopping mode by a pulse flowmeter;
the circulation mode starting module 502 is configured to start the circulation mode when the water purification system is in the water production stopping mode and the first preset time period is provided; the circulating mode is to control the first pressure stabilizing pump to convey pure water of the tail end pipeline of the rear filter element to the front end of the rear filter element.
Therefore, the circulation mode starting module can control the first pressure stabilizing pump to convey pure water at the tail end of the rear filter element to the front end of the rear filter element, so that a water circulation system from the front end of the rear filter element to the first pressure stabilizing pump is formed. The water in the water tank can keep a flowing state, so that bacteria breeding is avoided, bacteria of drinking water of a user are guaranteed not to exceed standards, and the use experience of the user is improved. And when the water purification system is in the water production mode, if the circulation mode is started, the circulation mode and the water production mode can generate interference and even influence the normal use of the water purification system, thereby shortening the service life of the water purification system. Therefore, the pulse flowmeter is arranged, when the pulse flowmeter senses that the water purifying system is in the water producing stopping mode, the water purifying system waits for a first preset time period, and after the water producing of the water purifying system is completely finished and is in a stable state, the circulating mode is started again, so that the water purifying system is prevented from being disturbed due to the execution of multiple modes when the water purifying system is unstable.
When the water making mode is just stopped, pure water at the tail end of the rear filter element is just prepared, bacteria are not bred, and the circulation mode does not need to be started. The first preset time interval is also beneficial to saving energy.
In one possible implementation, the circulation mode starting module 502 is further configured to periodically control the first booster pump and the pulse flowmeter to perform a circulation mode, where the circulation mode lasts for a second preset period of time.
In one possible implementation, fig. 7 shows a block diagram of a water purifying apparatus according to an embodiment of the present invention, the apparatus further comprising:
an obtaining module 503, configured to obtain water use time information of a user;
a determining module 504 is configured to determine, according to the water consumption time information, a time when the first stabilized pump and the pulse flowmeter perform the circulation mode, so that the circulation mode is completed before the user takes water.
Therefore, the circulation mode can be automatically started according to the water habit of the user, and the water quality drunk by the user can be ensured to be in a fresh and pollution-free state at any time.
In one possible implementation, the monitoring module 501 is further configured to monitor whether the user is taking water; the circulation mode opening module 502 is further configured to control the first pressure stabilizing pump and the pulse flowmeter to exit the circulation mode when the user is monitored to take water.
Therefore, when a user takes water from the faucet, the user can exit from the circulation mode without causing interference to the water taking of the user, and the bacteria can be prevented from exceeding the standard after the water taken out by the user is circularly filtered, so that the physical and mental health of the user is ensured.
It should be noted that, in this document, 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 may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing embodiment numbers of the present invention are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.
From the above description of the embodiments, it will be clear to those skilled in the art that the above-described embodiment method may be implemented by means of software plus a necessary general hardware platform, but of course may also be implemented by means of hardware, but in many cases the former is a preferred embodiment. Based on such understanding, the technical solution of the present invention may be embodied essentially or in a part contributing to the prior art in the form of a software product stored in a storage medium (e.g. ROM/RAM, magnetic disk, optical disk) comprising instructions for causing a mobile terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the method according to the embodiments of the present invention.
While the embodiments of the present invention have been described above with reference to the drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are to be construed as falling within the scope of the present invention.
Claims (13)
1. A water purification system, the water purification system comprising: a reflow apparatus, the reflow apparatus comprising: the control module and the first pressure stabilizing pump,
the control module is connected with the first pressure stabilizing pump and used for controlling the opening and closing of the first pressure stabilizing pump;
the first pressure stabilizing pump is connected with the rear filter element and is used for executing a circulation mode; the circulating mode is that the first pressure stabilizing pump conveys pure water of the tail end pipeline of the rear filter element to the front end of the rear filter element;
the reflow apparatus further includes: a pulse flow meter is provided with a pulse flow meter,
the pulse flowmeter is connected with the control module and is used for detecting whether the water purifying system is in a water production stopping mode, and if so, the pulse flowmeter feeds back a water production stopping signal to the control module;
the control module is further used for sending a circulation start signal to the first pressure stabilizing pump and the pulse flowmeter after receiving the water production stopping signal and a first preset time interval;
the pulse flowmeter is further used for feeding back the signal of the user water intake to the control module when the pulse flowmeter is in the circulation mode and the signal of the user water intake is monitored;
the control module is further used for sending a circulation closing signal to the first pressure stabilizing pump and the pulse flowmeter after receiving the signal of the user for water intake;
the control module is also used for periodically or intermittently sending a circulation opening signal and a circulation closing signal to the first pressure stabilizing pump and the pulse flowmeter; and a second preset time is arranged between the cycle opening signal and the cycle closing signal.
2. The water purification system of claim 1, wherein the control module further comprises: the chip is collected and the chip is arranged,
the acquisition chip is used for acquiring the water use time information of a user,
and the control module is used for determining the time for sending the circulation start signal and the circulation close signal according to the water use time information so that the circulation mode is completed before the user takes water.
3. The water purification system of claim 1, wherein the backflow device further comprises:
the first check valve is arranged between the first pressure stabilizing pump and the rear filter element and used for ensuring that water can flow through the rear filter element when a user takes water.
4. The water purification system of claim 1, further comprising: the device comprises a first-stage filter element, a second-stage filter element, a third-stage filter element, an electromagnetic valve, a second pressure stabilizing pump, a reverse osmosis membrane, a second check valve and a rear filter element which are sequentially connected, and a wastewater ratio electromagnetic valve and a faucet which are connected with the reverse osmosis membrane.
5. The water purification system of any one of claims 1-4, further comprising a high pressure switch and a pressure tank coupled to the high pressure switch, wherein the pressure tank is configured to store water.
6. A water purification method, wherein the water purification method is applied to the water purification system as claimed in any one of claims 1 to 5, and the method comprises:
monitoring whether the water purifying system is in a water production stopping mode or not through a pulse flowmeter;
when the water purifying system is in the water producing stopping mode and a first preset time period is reserved, a circulation mode is started;
the circulating mode is to control the first pressure stabilizing pump to convey pure water of a pipeline at the tail end of the rear filter element to the front end of the rear filter element.
7. The water purification method according to claim 6, wherein when the water purification system is in the stopped water production mode and is separated by a first preset period of time, turning on a circulation mode comprises:
and periodically or intermittently controlling the first stabilized pump and the pulse flowmeter to execute the circulation mode, wherein the circulation mode lasts for a second preset time period.
8. The water purification method of claim 6, further comprising:
acquiring water use time information of a user;
and determining the time for executing the circulation mode by the first stabilized pump and the pulse flowmeter according to the water use time information so that the circulation mode is completed before the user takes water.
9. The water purification method of claim 6, further comprising:
monitoring whether a user is taking water;
and when the user is monitored to take water, controlling the first stabilized pump and the pulse flowmeter to exit from the circulation mode.
10. A water purification apparatus for performing the water purification method of any one of claims 6 to 9, the apparatus comprising:
the monitoring module is used for monitoring whether the water purifying system is in a water production stopping mode or not through the pulse flowmeter;
the circulation mode starting module is used for starting a circulation mode when the water purifying system is in the water making stopping mode and a first preset time period is reserved; the circulating mode is to control the first pressure stabilizing pump to convey pure water of a pipeline at the tail end of the rear filter element to the front end of the rear filter element.
11. The water purification apparatus of claim 10, wherein,
the circulation mode starting module is further used for periodically or intermittently controlling the first pressure stabilizing pump and the pulse flowmeter to execute the circulation mode, wherein the circulation mode lasts for a second preset duration.
12. The water purification apparatus of claim 10, wherein the apparatus further comprises:
the acquisition module is used for acquiring the water use time information of the user;
and the determining module is used for determining the time for executing the circulation mode by the first pressure stabilizing pump and the pulse flowmeter according to the water use time information so that the circulation mode is completed before the user takes water.
13. The water purification apparatus of claim 10, wherein,
the monitoring module is also used for monitoring whether a user is taking water;
the circulation mode opening module is further used for controlling the first pressure stabilizing pump and the pulse flowmeter to exit the circulation mode when the user water taking is monitored.
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| CN201810517832.9A CN108773920B (en) | 2018-05-25 | 2018-05-25 | Water purification system, water purification method and device |
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| CN201810517832.9A CN108773920B (en) | 2018-05-25 | 2018-05-25 | Water purification system, water purification method and device |
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