CN110894104A - Water purifier - Google Patents

Abstract

The invention relates to a water purifier, which comprises a control system, a water inlet pipeline, a primary filter, an RO membrane filter and a pressure barrel, wherein the water inlet pipeline is connected with the primary filter; the control system plays a main control role; the primary filter is used for carrying out primary filtration on raw water input by the water inlet pipeline; the RO membrane filter is used for filtering the water filtered by the primary filter again; then the water flows into the pressure channel for storage, and a water quality detector is arranged in the pressure barrel; the water quality detector is electrically connected with the control system so as to detect the water quality of the purified water in the pressure barrel and transmit the detected water quality data to the control system; and the control system judges whether the stored water in the pressure barrel meets the drinking standard or not according to the water quality data detected by the water quality detector. The water purifier can detect the water quality stored in the pressure barrel and judge whether the stored water in the pressure barrel meets the drinking standard or not.

Description

Water purifier

Technical Field

The invention relates to the field of water purification, in particular to a water purifier.

Background

At present, people pay high attention to drinking water safety, and more families use water purifiers to ensure the safety of ordinary drinking water. The water purifier has become a water treatment device necessary for families, and the water purifier is divided into a plurality of water purifiers with different treatment degrees according to different water qualities, such as microfiltration, ultrafiltration, reverse osmosis and the like. The water purifier is produced by the current international popular methods such as reverse osmosis, and the like, and raw water is subjected to physical filtration treatment without adding any compound so as to be directly drunk by human beings. Because the purified water can be directly drunk, the household water purifier is popular with many consumers.

The household water purifier adopts a reverse osmosis mode to purify water through the reverse osmosis RO membrane, and because the filtering speed of the reverse osmosis RO membrane is relatively low, the water yield of the reverse osmosis water purifier is relatively low, and the demand of instant drinking can not be met. Therefore, a pressure barrel is required to be equipped for storing the filtered purified water, so as to meet the demand of users for getting water at any time. However, when people need to go out for a long time, the water stored in the pressure barrel can become dead water because the water is not drunk up for a long time, and simultaneously, bacteria can enter the pressure barrel to cause secondary pollution. However, the general water purifiers cannot detect the quality of water stored in the pressure barrel, and if people drink polluted purified water stored for a long time, the health of the people is affected.

Disclosure of Invention

Accordingly, an object of the present invention is to provide a water purifier having advantages of automatically detecting the quality of purified water in a pressure tank and determining whether the stored water meets drinking standards.

A water purifier comprises a control system, a water inlet pipeline, a primary filter communicated with the water inlet pipeline, an RO membrane filter connected with the output end of the primary filter and a pressure barrel positioned at the output end of the RO membrane filter; the control system plays a main control role; the primary filter is used for carrying out primary filtration on raw water input by the water inlet pipeline; the RO membrane filter is used for filtering the water filtered by the primary filter again; the pressure barrel is used for storing the purified water filtered by the RO membrane filter, and a water quality detector is arranged in the pressure barrel; the water quality detector is electrically connected with the control system and is used for detecting the water quality of the stored water in the pressure barrel and transmitting the detected water quality data to the control system; and the control system judges whether the stored water in the pressure barrel meets the drinking standard or not according to the water quality data detected by the water quality detector.

The water purifier can detect the quality of the stored water stored in the pressure barrel, judge whether the stored water meets the drinking standard or not, and prevent people from drinking water which does not meet the drinking standard.

Furthermore, a sliding groove for the water quality detector to move up and down is also arranged on the inner wall between the opening of the pressure barrel and the barrel bottom; the control system controls the water quality detector to slide in a sliding groove on the inner wall of the pressure barrel so as to detect the water quality of the opening of the pressure barrel and each water level in the barrel. The setting up of this spout makes water quality detector can enough detect the storage water quality of water that stores in the pressure tank, can detect out simultaneously whether the water that flows into in the bucket accords with the quote standard, detects out promptly that the filter is whether with raw water effective filtration.

Further, the bottom of the pressure barrel is also provided with an electromagnetic valve which is electrically connected with the control system, when the control system judges that the water quality detector detects that the water quality in the pressure barrel does not accord with the drinking standard, the electromagnetic valve is controlled to be opened to discharge the stored water in the pressure barrel, and people are effectively prevented from drinking purified water with secondary pollution.

Further, control system still including being used for taking notes the pure water storage the time-recorder of pressure cylinder internal time to be provided with the quality of water guarantee period, work as the storage water depositing time in the pressure cylinder surpasss when the quality of water guarantee period, control system control the solenoid valve is opened with the discharge the storage water in the pressure cylinder effectively prevents that people from drinking the storage water that is not conform to the drinking standard of placing in the pressure cylinder for a long time.

Furthermore, an automatic cleaning device electrically connected with the control system is further arranged in the pressure barrel, and when the control system judges that the water quality detector detects that the water quality in the pressure barrel does not meet the drinking standard, the automatic cleaning device is controlled to clean the inner wall of the pressure barrel.

Further, when the purified water filtered by the RO membrane filter enters the pressure barrel, the controller controls the water quality detector to slide to one end, close to the opening of the pressure barrel, of the sliding chute so as to detect the quality of the purified water flowing into the pressure barrel; and when the control system judges that the water quality detector detects that the water quality of the opening of the pressure barrel does not meet the drinking standard, the water purifier is controlled to stop purifying water, and the primary filter or the RO membrane filter is prompted to be cleaned or replaced.

Further, the primary filter comprises a PP cotton filter element, a granular activated carbon filter element and sintered activated carbon which are sequentially connected.

Further, the water purifier also comprises an activated carbon filter arranged between the pressure barrel and the water taking switch so as to mineralize the purified water in the pressure barrel.

According to the water purifier, the primary filter is used for primarily filtering raw water, the pressure of the water filtered by the primary filter is increased, so that the water can permeate through the RO membrane of the RO membrane filter to be filtered to obtain purified water, the purified water enters the pressure barrel under the action of the pressure to be stored, and when the water purifier is drunk, the water stored in the pressure barrel is taken out to be directly drunk. When the purified water is stored in the pressure barrel for a certain time, the water quality detector in the pressure barrel detects the water quality stored in the pressure barrel and transmits the detected water quality data to the control system, the control system judges whether the water stored in the pressure barrel meets the drinking standard or not according to the water quality data, and if the water does not meet the reference standard, the water is discharged through the electromagnetic valve at the bottom of the pressure barrel; meanwhile, when the water in the pressure barrel is stored for a long time and exceeds the water quality guarantee period, the control system controls the electromagnetic valve to discharge the water in the pressure barrel, so that people can be effectively prevented from drinking the water which does not accord with the drinking standard. In addition, the water quality detector can also detect the water quality flowing into the opening of the pressure barrel, thereby detecting whether the water purifier can effectively filter raw water or not and prompting to clean or replace the filter. This water purifier has the storage water quality of water that can detect in the pressure vessel to and can detect out whether the water purifier is with raw water effective filtration's advantage, can prevent effectively that people from drinking the water that is not conform to and quote the standard, convenient health.

For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of a water purifier according to the present invention.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a water purifier according to the present invention.

The water purifier includes acontrol system 10, awater inlet line 20, aprimary filter 30, abooster pump 40, anRO membrane filter 50, apressure tank 60, and an activatedcarbon filter 70. Thecontrol system 10 plays a main control role and can control the operation or stop of each part of the whole water purifier; the input end of theprimary filter 30 is communicated with thewater inlet pipeline 20; thebooster pump 40 is disposed between theprimary filter 30 and theRO membrane filter 50; thepressure tank 60 is used to store purified water filtered by theRO membrane filter 50. When water is taken, the switch of the water purifier is turned on, the purified water flows out from the opening of thepressure barrel 60, and then the purified water is mineralized by the activatedcarbon filter 70, so that the taste is improved.

Thecontrol system 10 is electrically connected to thewater quality detector 62, the solenoid valve 63, and an automatic cleaning device (not shown), and can control the operation or stop of each component of the entire water purifier. Thecontrol system 10 determines whether the stored water in thepressure tank 60 meets drinking standards according to the water quality data detected by thewater quality detector 62. When thecontrol system 10 determines that thewater quality detector 62 detects that the quality of the stored water in thepressure tank 60 does not meet the drinking standard, the electromagnetic valve 63 is controlled to open to discharge the purified water in thepressure tank 60, and the automatic cleaning device (not shown) can be controlled to clean the inner wall of thepressure tank 60.

In addition, when the purified water filtered by theRO membrane filter 50 enters thepressure tank 60, thecontrol system 10 may further control thewater quality detector 62 to slide to an end of thechute 61 close to the opening of the pressure tank, so as to detect the quality of the purified water flowing into the pressure tank, i.e., detect whether the water purifier effectively filters the raw water. When thecontrol system 10 determines that thewater quality detector 62 detects that the water quality at the opening of thepressure tank 60 does not meet the drinking standard, thecontrol system 10 controls the water purifier to stop purifying water, and prompts to clean or replace theprimary filter 30 or theRO membrane filter 50 through theliquid crystal display 11. Further, thecontrol system 10 further includes a timer (not shown) for recording the time when the purified water is stored in thepressure tank 50, that is, the timer starts to count the time when the purified water enters thepressure tank 60, and is provided with a water quality guarantee period. When the storage water storage time in thepressure barrel 60 exceeds the water quality guarantee period, thecontrol system 10 controls the electromagnetic valve 63 to be opened to discharge the purified water in thepressure barrel 60, so that the stored water which is not in accordance with the drinking standard after being placed for a long time is effectively prevented from being drunk by people.

Preferably, thecontrol system 10 is further provided with aliquid crystal display 11 for displaying the water quality detection results of thewater quality detector 62 at various positions and prompting people whether the water quality meets the drinking standard.

In one embodiment, the water purifier of the present invention may not be provided with the liquidcrystal display panel 11.

Thewater inlet line 20 is connected between theprimary filter 30, theRO membrane filter 50, thepressure tank 60 and thecarbon filter 70 to supply a water stream to flow.

The input end of theprimary filter 30 is communicated with thewater inlet pipeline 20 and is used for primary filtering of raw water. Specifically, theprimary filter 30 includes a PP cotton filter element, a granular activated carbon filter element, and a sintered activated carbon filter element, which are connected in sequence.

The PP cotton filter element is a tubular filter element which is made of nontoxic and tasteless polyester fiber particles through heating, melting, spinning, drawing and receiving forming, the raw material of the PP cotton filter element mainly comprises polyester fiber and is used for filtering sediment, colloid, large particles and other substances in raw water, and the PP cotton filter element has the advantages of large filtering flow, small pressure difference and the like.

The granular active carbon filter core is formed by processing a special process by using nontoxic, odorless and efficient coconut shell active carbon and coal-based active carbon as main bodies and using an edible material adhesive as an auxiliary material, integrates adsorption filtration or catalysis, and can effectively remove pesticides, pesticide residues, organic solvents and other chemical pollution caused by industry.

The sintered active carbon filter element is prepared by mixing an active carbon powder material and a high-molecular hot-melting pore-forming material, pouring the mixture into a special mould, and sintering at the high temperature of 200-300 ℃, integrates the functions of adsorption, filtration, interception and catalysis, can effectively remove organic matters, residual chlorine and other radioactive substances in water, and has the effects of decoloring and removing peculiar smell.

Thebooster pump 40 is disposed between theprimary filter 30 and theRO membrane filter 50, and serves to raise the pressure of the water filtered by theprimary filter 30 to enable it to permeate through the RO membrane of theRO membrane filter 50 for filtration.

TheRO membrane filter 50, RO is an abbreviation of Reverse Osmosis, English, meaning Reverse Osmosis in Chinese. Reverse osmosis is a membrane separation and filtration technology using osmotic pressure difference as power, and is a process of separating solvent and solute in a solution under pressure by means of a reverse osmosis membrane. The pore diameter of the RO reverse osmosis membrane is as small as nanometer, water molecules can pass through the RO membrane only under certain pressure, and impurities such as inorganic salt, heavy metal ions, organic matters, colloid, bacteria and viruses in source water cannot pass through the RO membrane, so that the permeable purified water and the impermeable concentrated water are distinguished, and water is filtered again.

Thepressure tank 60 is used for storing purified water filtered by theRO membrane filter 50, and awater quality detector 62, an electromagnetic valve 63 and an automatic cleaning device (not shown) are arranged in thepressure tank 60. Achute 61 for thewater quality detector 62 to move up and down is further arranged on the inner wall between the opening in thepressure barrel 60 and the barrel bottom. Thewater quality detector 62 is electrically connected to thecontrol system 10, and is configured to perform water quality detection on the stored water in thepressure barrel 60 and the purified water flowing into thepressure barrel 60, that is, thecontrol system 10 controls thewater quality detector 62 to slide in thesliding groove 61 on the inner wall of thepressure barrel 60 to detect the water quality at each water level in the opening of the pressure barrel and the barrel. Thewater quality detector 62 transmits the detected water quality data to thecontrol system 10; thecontrol system 10 determines whether the stored water in thepressure tank 60 meets drinking standards according to the water quality data detected by thewater quality detector 62. In addition, in order to facilitate the discharge of the stored water that does not meet the drinking standard in thepressure barrel 60, a solenoid valve 63 is further disposed at the bottom of thepressure barrel 60, and when thecontrol system 10 determines that thewater quality detector 62 detects that the water quality in thepressure barrel 60 does not meet the drinking standard, the solenoid valve 63 is controlled to open to discharge the stored water in thepressure barrel 60. In addition, when the storage time of the stored water in thepressure barrel 60 exceeds the water quality guarantee period, thecontrol system 10 controls the electromagnetic valve 63 to be opened to discharge the stored water in thepressure barrel 60, so that the stored water which does not accord with the drinking mark is effectively prevented from being drunk by people.

When the water purifier works for purifying water, purified water filtered by the RO membrane filter enters thepressure barrel 60 through the opening of thepressure barrel 60, thecontrol system 10 controls thewater quality detector 62 to slide to one end of thechute 61 close to the opening of thepressure barrel 60 so as to detect the quality of the purified water flowing into the pressure barrel, namely, detect whether the water purifier effectively filters the raw water. When thecontrol system 10 determines that thewater quality detector 62 detects that the water quality at the opening of thepressure tank 60 does not meet the drinking standard, thecontrol system 10 controls the water purifier to stop purifying water, and prompts the water purifier to not effectively filter raw water through the liquidcrystal display screen 11, so as to remind a user to clean or replace theprimary filter 30 or theRO membrane filter 50.

Preferably, in order to facilitate cleaning of the inner wall of the pressure barrel, an automatic cleaning device electrically connected to thecontrol system 10 is further disposed in thepressure barrel 60, and when thecontrol system 10 determines that thewater quality detector 62 detects that the water quality in thepressure barrel 60 does not meet the drinking standard, the automatic cleaning device is controlled to clean the inner wall of thepressure barrel 60, so as to prevent the secondary pollution to the purified water stored again.

In one embodiment, the water purifier of the present invention may not be provided with the automatic cleaning device.

The activatedcarbon filter 70 is disposed between the opening of thepressure barrel 60 and the water intake switch, and is used for mineralizing the purified water in thepressure barrel 60, so that the purified water has a better taste.

According to the water purifier, the primary filter is used for primary filtration of raw water, the booster pump raises the pressure so that water filtered by theprimary filter 30 can permeate through the RO membrane of the RO membrane filter to be filtered to obtain purified water, the purified water enters the pressure barrel under the action of the pressure to be stored, and when the water purifier is drunk, the water stored in the pressure barrel is taken out to be directly drunk. When the purified water is stored in the pressure barrel for a certain time, the water quality detector in the pressure barrel detects the water quality stored in the pressure barrel and transmits the detected water quality data to the control system, the control system judges whether the water stored in the pressure barrel meets the drinking standard or not according to the water quality data, and if the water does not meet the reference standard, the water is discharged through the electromagnetic valve at the bottom of the pressure barrel; meanwhile, when the water in the pressure barrel is stored for too long, the control system controls the electromagnetic valve to discharge the water in the pressure barrel, so that people can be effectively prevented from drinking the water which does not accord with the drinking standard. In addition, the water quality detector can also detect the water quality flowing into the opening of the pressure barrel, thereby detecting whether the water purifier can effectively filter raw water or not and prompting to clean or replace the filter. This water purifier has the storage water quality of water that can detect in the pressure vessel to and can detect out whether the water purifier is with raw water effective filtration's advantage, can prevent effectively that people from drinking the water that is not conform to and quote the standard, convenient health.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims (8)

1. A water purifier is characterized in that: the device comprises a control system, a water inlet pipeline, a primary filter communicated with the water inlet pipeline, an RO membrane filter connected with the output end of the primary filter and a pressure barrel positioned at the output end of the RO membrane filter; the control system plays a main control role; the primary filter is used for carrying out primary filtration on raw water input by the water inlet pipeline; the RO membrane filter is used for filtering the water filtered by the primary filter again; the pressure barrel is used for storing the purified water filtered by the RO membrane filter, and a water quality detector is arranged in the pressure barrel; the water quality detector is electrically connected with the control system and is used for detecting the water quality of the stored water in the pressure barrel and transmitting the detected water quality data to the control system; and the control system judges whether the stored water in the pressure barrel meets the drinking standard or not according to the water quality data detected by the water quality detector.

2. The water purifier according to claim 1, characterized in that: a sliding groove for the water quality detector to move up and down is further formed in the inner wall between the opening of the pressure barrel and the barrel bottom; the control system controls the water quality detector to slide in a sliding groove on the inner wall of the pressure barrel so as to detect the water quality of the opening of the pressure barrel and each water level in the barrel.

3. The water purifier according to claim 2, characterized in that: the bottom of the pressure barrel is also provided with an electromagnetic valve which is electrically connected with the control system, and when the control system judges that the water quality detector detects that the water quality in the pressure barrel does not accord with the drinking standard, the electromagnetic valve is controlled to be opened to discharge the stored water in the pressure barrel.

4. The water purifier according to claim 3, characterized in that: the control system further comprises a timer for recording the time of the purified water stored in the pressure barrel, and a water quality guarantee period is set, when the storage water storage time in the pressure barrel exceeds the water quality guarantee period, the control system controls the electromagnetic valve to be opened to discharge the storage water in the pressure barrel.

5. The water purifier according to claim 2, characterized in that: and when the control system judges that the water quality detector detects that the water quality in the pressure barrel does not accord with the drinking standard, the automatic cleaning device is controlled to clean the inner wall of the pressure barrel.

6. The water purifier according to claim 2, characterized in that: when the purified water filtered by the RO membrane filter enters the pressure barrel, the controller controls the water quality detector to slide to one end, close to the opening of the pressure barrel, of the sliding chute so as to detect the quality of the purified water flowing into the pressure barrel; and when the control system judges that the water quality detector detects that the water quality of the opening of the pressure barrel does not meet the drinking standard, the water purifier is controlled to stop purifying water, and the primary filter or the RO membrane filter is prompted to be cleaned or replaced.

7. The water purifier according to claim 1, characterized in that: the primary filter comprises a PP cotton filter element, a granular activated carbon filter element and sintered activated carbon which are sequentially connected.

8. The water purifier according to claim 1, characterized in that: the water purifier also comprises an activated carbon filter arranged between the pressure barrel and the water taking switch so as to mineralize the purified water in the pressure barrel.

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