CN108002456B - Water purifier and reminding method for replacing filter element - Google Patents
Water purifier and reminding method for replacing filter element Download PDFInfo
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- CN108002456B CN108002456B CN201611088453.XA CN201611088453A CN108002456B CN 108002456 B CN108002456 B CN 108002456B CN 201611088453 A CN201611088453 A CN 201611088453A CN 108002456 B CN108002456 B CN 108002456B
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- water
- water quality
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- accumulated
- filter element
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Classifications
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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
- C02F1/008—Control or steering systems not provided for elsewhere in subclass C02F
-
- 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
-
- 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
-
- 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
- C02F2209/44—Time
- C02F2209/445—Filter life
Abstract
The invention discloses a water purifier and a reminding method for replacing a filter element, wherein the water purifier comprises a filter device, the filter device comprises a raw water end, a water purifying end and a waste water end, the water purifier further comprises a flowmeter for detecting the water outlet flow of the waste water end, a processor connected with the flowmeter and used for obtaining the accumulated water outlet of the waste water end according to the measurement result of the flowmeter, and a reminding device for displaying the accumulated water outlet. According to the technical scheme, the filtering device comprises a raw water end, a water purifying end and a waste water end, wherein the waste water end is provided with a flowmeter for detecting waste water quantity, the processor obtains accumulated water yield of the waste water end according to the measurement result of the flowmeter, and the accumulated water yield of the waste water end is displayed through the reminding device to remind a user of the use condition of the filter element so that the user can replace the filter element in time.
Description
Technical Field
The invention relates to the technical field of manufacturing of water purifying and drinking equipment, in particular to a water purifier and a reminding method for replacing a filter element.
Background
At present, RO reverse osmosis filter elements are adopted on many water purifiers to purify water. The RO reverse osmosis filter core generally comprises a water purifying end and a waste water end, wherein the filtered purified water flows out through the water purifying end, and the waste water generated in the filtering process flows out through the waste water end. RO reverse osmosis filter core has certain life, and the user often is unclear when should change the filter core to the condition that still does not change the filter core when the quality of purified water after the filtration is up to standard appears, seriously influences user's health.
Disclosure of Invention
The invention mainly aims to provide a water purifier and a reminding method for replacing a filter element, which aim to remind a user to replace the filter element in time.
In order to achieve the above purpose, the water purifier provided by the invention comprises a filtering device, a flowmeter, a processor and a reminding device, wherein the filtering device comprises a raw water end, a water purifying end and a waste water end, the flowmeter is used for detecting the water outlet flow of the waste water end, the processor is connected with the flowmeter and obtains the accumulated water outlet quantity of the waste water end according to the measurement result of the flowmeter, and the reminding device is used for displaying the accumulated water outlet quantity.
Preferably, the reminding device is arranged on a tap connected with the water purifying end.
Preferably, the reminding device comprises an alarm unit for sending an alarm signal when the accumulated water yield exceeds a preset value.
Preferably, the water purifier further comprises a first water quality detection device arranged at the waste water end.
Preferably, the water purifier further comprises a wastewater tank connected with the wastewater end, and the first water quality detection device is arranged in the wastewater tank.
Preferably, the water purifier further comprises a second water quality detection device arranged at the raw water end;
the processor is also used for judging the service life of the filtering device according to the first water quality detection device, the second water quality detection device and the accumulated water yield.
Preferably, the reminding device comprises at least one of an LED lamp, a display screen and a buzzer.
The invention also provides a reminding method for replacing the filter element, which is used for a water purifier, wherein the water purifier comprises a filter device, the filter device comprises a raw water end, a water purifying end and a waste water end, the water purifier further comprises a flowmeter for detecting the water outlet flow of the waste water end, a processor which is connected with the flowmeter and obtains the accumulated water outlet quantity of the waste water end according to the measurement result of the flowmeter, and a reminding device for displaying the accumulated water outlet quantity, and the reminding method for replacing the filter element comprises the following steps:
the processor obtains the accumulated water yield of the wastewater end;
the processor calculates the total amount of the treated raw water according to a conversion relation between the accumulated water yield of the preset wastewater end and the total amount of the treated raw water;
the processor judges whether the filter element needs to be replaced according to the total amount of the treated raw water and the preset raw water.
Preferably, the reminding device is arranged on a tap connected with the water purifying end, and the step of judging whether the filter element needs to be replaced by the processor according to the total amount of the treated raw water and the preset raw water comprises the following steps:
when the amount of the treated raw water exceeds the preset total amount of raw water, the processor controls the reminding device to start.
Preferably, the reminding method for replacing the filter element further comprises the following steps:
the processor sends the difference value between the preset raw water total amount and the treated raw water total amount and/or the accumulated water yield of the wastewater end to the reminding device so as to be displayed by the reminding device.
According to the technical scheme, the filtering device comprises a raw water end, a water purifying end and a waste water end, wherein the waste water end is provided with a flowmeter for detecting waste water quantity, the processor obtains accumulated water yield of the waste water end according to the measurement result of the flowmeter, and the accumulated water yield of the waste water end is displayed through the reminding device to remind a user of the use condition of the filter element so that the user can replace the filter element in time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a water purifier according to an embodiment of the present invention;
FIG. 2 is a flow chart of a first embodiment of a method for reminding a user to replace a filter element according to the present invention;
fig. 3 is a flow chart of a second embodiment of the method for reminding a user to replace a filter element according to the present invention.
Reference numerals illustrate:
| reference numerals | Name of the name | Reference numerals | Name of the name |
| 1 | Filtering device | 4 | Reminding device |
| 11 | Raw water end | 5 | Water tap |
| 12 | Water purifying end | 6 | First water quality detection device |
| 13 | Waste water end | 7 | Waste water tank |
| 2 | Flowmeter for measuring flow rate | 8 | Second water quality detection device |
| 3 | Processor and method for controlling the same | 9 | Water level detecting device |
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The invention provides a water purifier and a reminding method for replacing a filter element.
Referring to fig. 1, in an embodiment of the present invention, the water purifier includes a filtering device 1, the filtering device 1 includes a raw water end 11, a purified water end 12, a waste water end 13, a flow meter 2 for detecting a water flow rate of the waste water end 13, a processor 3 connected to the flow meter 2 and obtaining an accumulated water yield of the waste water end 13 according to a measurement result of the flow meter 2, and a reminding device 4 for displaying the accumulated water yield.
In the technical scheme of the invention, the filtering device 1 comprises a raw water end 11, a water purifying end 12 and a waste water end 13, wherein the waste water end 13 is provided with a flowmeter 2 for detecting waste water amount, the processor 3 obtains the accumulated water yield of the waste water end 13 according to the measurement result of the flowmeter 2, and the reminding device 4 displays the accumulated water yield of the waste water end 13 to remind a user of the use condition of the filter element so as to facilitate the user to replace the filter element in time. In this embodiment, the filter device 1 includes a primary PP cotton filter element, a secondary activated carbon filter element, an RO reverse osmosis filter element, and a composite filter element.
As a preferred embodiment of the present invention, the reminding device 4 is provided on the faucet 5 connected to the water purifying end 12. Specifically, the water purifier further comprises a water tap 5, the water tap 5 is connected with the water purifying end 12, and the water tap 5 is provided with a reminding device 4.
When the faucet 5 is a touch switch, the reminding device 4 is integrated with a display panel of the touch switch. The reminding device 4 can display the accumulated water yield of the waste water end 13, and also can display the percentage of the service life of the filter element or the percentage of the residual service life, or the residual treated raw water quantity and the like, which can remind a user of replacing the filter element. Of course, the reminding device 4 can also be arranged on the filter element or on the processor 3.
Preferably, the reminding device 4 comprises an alarm unit for sending an alarm signal when the accumulated water yield exceeds a preset value.
Specifically, the upper limit of raw water which can be treated is generally marked on the filter element, when the upper limit of raw water is reached, the filter element is required, and the ratio of the filtered waste water amount to the purified water amount is determined by the proportional solenoid valve, so that the upper limit of the accumulated water yield can be obtained through the ratio of the waste water amount to the purified water amount and the upper limit of raw water, for example, the upper limit of raw water is 400L, and the waste water amount is: the net water amount is 1:3, the upper limit value of the cumulative water output is 100L. If the preset value is set to the upper limit value, when the accumulated water yield exceeds the preset value, the alarm unit sends an alarm signal to remind a user to replace the filter element, and of course, the preset value can also be set to any value which does not exceed the upper limit value of the accumulated water yield, so long as the preset value does not exceed the upper limit value of the accumulated water yield, the filter element can still process raw water, and the filtered purified water can still be safely used.
Preferably, the water purifier further comprises a first water quality detection device 6 arranged at the waste water end 13. The first water quality detection device 6 is arranged at the waste water end 13 to detect the water quality of the waste water, and a user can use the waste water according to the water quality condition of the waste water, so that the purpose of saving water is achieved. Further, the first water quality detecting device 6 is connected with the reminding device 4, the water quality condition of the wastewater is displayed by the reminding device 4, and the use scene of the wastewater, such as vegetable washing, flower watering, mop washing and the like, can be directly displayed on the reminding device 4 according to the mapping relation between the preset water quality of the wastewater and the reference use scene.
Preferably, the water purifier further comprises a wastewater tank 7 connected with the wastewater end 13, and the first water quality detection device 6 is arranged in the wastewater tank 7. The first water quality detection means 6 may be arranged in the waste water tank 7, in the waste water end 13, or in a connecting pipe between the waste water end 13 and the waste water tank 7.
Further, the water level detection device 9 is arranged in the wastewater tank 7 and is used for detecting the content of wastewater in the wastewater tank 7, the use situation of the wastewater can be determined more accurately according to the content of wastewater in the wastewater tank 7 and the quality of the wastewater, for example, the water quality can be judged to be capable of watering flowers and washing mops according to the quality of the wastewater, the water quantity for washing the mops is obviously larger than the water quantity for watering flowers, and at the moment, a user can determine whether to wash the mops or water flowers according to the content of wastewater in the wastewater tank 7.
Preferably, the water purifier further comprises a second water quality detection device 8 arranged at the raw water end 11;
the processor 3 is further configured to determine a service life of the filtering device 1 according to the first water quality detecting device, the second water quality detecting device, and the accumulated water yield.
The first and second water quality detection devices can both adopt the existing TDS detection modules, such as a TDS detection pen or a TDS detector, and the measurement principle is that the TDS value is indirectly reflected by measuring the conductivity of water. In a physical sense, the more the water is dissolved, the greater the TDS value of the water, the better the conductivity of the water, and the greater the conductivity value.
Specifically, the water quality measurement signal output by the first water quality detection device 6 is TDS1, the water quality detection signal output by the second water quality detection device 8 is TDS2, and when the difference between TDS2 and TDS1 is smaller than the preset threshold, it is indicated that the filter element cannot effectively filter the raw water, and even if the accumulated water output does not reach the upper limit value of the accumulated water output at this time, the user needs to replace the filter element. The capability of the filter element for treating raw water can be known more accurately by adding the first water quality detection device and the second water quality detection device.
Preferably, the reminding device 4 comprises at least one of an LED lamp, a display screen and a buzzer.
The invention also provides a reminding method for replacing the filter element, which is used for a water purifier, referring to fig. 2, fig. 2 is a flow chart of a first embodiment of the reminding method for replacing the filter element, the water purifier comprises a filter device 1, the filter device 1 comprises a raw water end 11, a water purifying end 12 and a waste water end 13, the water purifier further comprises a flowmeter 2 for detecting the water outlet flow of the waste water end 13, a processor 3 connected with the flowmeter 2 and obtaining the accumulated water outlet of the waste water end 13 according to the measurement result of the flowmeter 2, and a reminding device 4 for displaying the accumulated water outlet, and the reminding method for replacing the filter element comprises the following steps:
step S100, the processor obtains the accumulated water yield of the wastewater end;
step S200, the processor calculates the total amount of the treated raw water according to a conversion relation between the accumulated water yield of the preset wastewater end and the total amount of the treated raw water;
and step S300, the processor judges whether the filter element needs to be replaced according to the total amount of the treated raw water and the preset raw water.
Referring to fig. 3, fig. 3 is a flow chart of a second embodiment of a reminding method for replacing a filter element, on the basis of the first embodiment of the reminding method for replacing a filter element, the reminding device is arranged on a faucet 5 connected with the water purifying end, and the step of determining, by the processor 3, whether the filter element needs to be replaced according to the total amount of the treated raw water and the preset total amount of the raw water includes:
in step S301, when the amount of the treated raw water exceeds the preset total amount of raw water, the processor controls the reminding device to be started.
Preferably, the reminding method for replacing the filter element further comprises the following steps:
step S400, the processor sends the difference between the preset total amount of raw water and the total amount of treated raw water and/or the accumulated water yield of the wastewater end to the reminding device for display by the reminding device.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (7)
1. The water purifier is characterized by comprising a filtering device, a flow meter, a processor and a reminding device, wherein the filtering device comprises a raw water end, a water purifying end and a waste water end, the flow meter is used for detecting the water outlet flow of the waste water end, the processor is connected with the flow meter and obtains the accumulated water outlet quantity of the waste water end according to the measurement result of the flow meter, the reminding device is used for displaying the accumulated water outlet quantity, the water purifier further comprises a first water quality detection device, the first water quality detection device is used for detecting the water quality of waste water, the first water quality detection device is connected with the reminding device, and the use scene corresponding to the water quality of waste water is displayed according to the preset mapping relation between the water quality of waste water and a reference use scene;
the water purifier further comprises a wastewater tank connected with the wastewater end, the first water quality detection device is arranged in the wastewater tank, or arranged in the wastewater end, or arranged in a connecting pipeline between the wastewater end and the wastewater tank, and the water purifier further comprises a second water quality detection device arranged at the raw water end;
the processor is further configured to determine a service life of the filtering device according to the first water quality detecting device, the second water quality detecting device and the accumulated water yield, wherein a water quality measurement signal output by the first water quality detecting device is TDS1, a water quality detection signal output by the second water quality detecting device is TDS2, and when a difference between the TDS2 and the TDS1 is smaller than a preset threshold, the filter element needs to be replaced even if the accumulated water yield does not reach an upper limit value of the accumulated water yield at this time.
2. The water purifier of claim 1 wherein the reminder device is disposed on a faucet connected to the water purification end.
3. The water purifier of claim 2, wherein the reminder device includes an alarm unit that emits an alarm signal when the accumulated water output exceeds a preset value.
4. The water purifier of claim 1, wherein the alert device comprises at least one of an LED light, a display screen, and a buzzer.
5. The reminding method for replacing the filter element is used for a water purifier and is characterized by comprising a filter device, wherein the filter device comprises a raw water end, a water purifying end and a waste water end, the water purifier further comprises a flowmeter, a processor and a reminding device, wherein the flowmeter is used for detecting the water outlet flow of the waste water end, the processor is connected with the flowmeter and obtains the accumulated water outlet quantity of the waste water end according to the measurement result of the flowmeter, the reminding device is used for displaying the accumulated water outlet quantity, the water purifier further comprises a first water quality detection device, the first water quality detection device is used for detecting the water quality of waste water, the first water quality detection device is connected with the reminding device, and a use scene corresponding to the water quality of waste water is displayed according to the preset mapping relation between the water quality of waste water and a reference use scene, the water purifier further comprises a waste water tank connected with the waste water end, and the first water quality detection device is arranged in the waste water tank or in a connecting pipeline arranged between the waste water end or the waste water tank, and the water purifier further comprises a second water quality detection device arranged at the end;
the reminding method for replacing the filter element comprises the following steps of:
the processor obtains the accumulated water yield of the wastewater end;
the processor calculates the total amount of the treated raw water according to a conversion relation between the accumulated water yield of the preset wastewater end and the total amount of the treated raw water;
the processor judges whether the filter element needs to be replaced according to the total amount of the treated raw water and the preset raw water;
the processor judges the service life of the filtering device according to the first water quality detecting device, the second water quality detecting device and the accumulated water yield, the water quality measuring signal output by the first water quality detecting device is TDS1, the water quality measuring signal output by the second water quality detecting device is TDS2, and when the difference value between the TDS2 and the TDS1 is smaller than a preset threshold value, the filter element is required to be replaced even if the accumulated water yield does not reach the upper limit value of the accumulated water yield at the moment.
6. The method of claim 5, wherein the reminding device is disposed on a faucet connected to the water purifying end, and the processor judges whether the filter element needs to be replaced according to the total amount of the treated raw water and a preset total amount of raw water, comprising:
when the amount of the treated raw water exceeds the preset total amount of raw water, the processor controls the reminding device to start.
7. The method for reminding a user to replace a filter element according to claim 6, wherein the method for reminding the user to replace the filter element further comprises:
the processor sends the difference value between the preset raw water total amount and the treated raw water total amount and/or the accumulated water yield of the wastewater end to the reminding device so as to be displayed by the reminding device.
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Families Citing this family (2)
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| CN109316791B (en) * | 2018-11-22 | 2021-04-02 | 佛山市云米电器科技有限公司 | Intelligent control flushing method for water quality purification and water purifier |
| CN113237237A (en) * | 2021-04-27 | 2021-08-10 | 华帝股份有限公司 | Scale inhibitor replacement reminding method for pre-filter and water heater |
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