CN109200826A - Purifier and its filter element life detection system, method - Google Patents

Purifier and its filter element life detection system, method Download PDF

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Publication number
CN109200826A
CN109200826A CN201710542739.9A CN201710542739A CN109200826A CN 109200826 A CN109200826 A CN 109200826A CN 201710542739 A CN201710542739 A CN 201710542739A CN 109200826 A CN109200826 A CN 109200826A
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China
Prior art keywords
water
purifier
filter
expires
filter element
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Granted
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CN201710542739.9A
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Chinese (zh)
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CN109200826B (en
Inventor
陈超
冯丰
罗景开
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Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
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Midea Group Co Ltd
Foshan Shunde Midea Water Dispenser Manufacturing Co Ltd
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Priority to CN201710542739.9A priority Critical patent/CN109200826B/en
Publication of CN109200826A publication Critical patent/CN109200826A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/10Accessories; Auxiliary operations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/025Reverse osmosis; Hyperfiltration
    • B01D61/026Reverse osmosis; Hyperfiltration comprising multiple reverse osmosis steps
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D61/00Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/02Reverse osmosis; Hyperfiltration ; Nanofiltration
    • B01D61/08Apparatus therefor
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00Treatment of water, waste water, or sewage
    • C02F1/44Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
    • C02F1/441Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by reverse osmosis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/14Pressure control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/16Flow or flux control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2311/00Details relating to membrane separation process operations and control
    • B01D2311/22Details relating to membrane separation process operations and control characterised by a specific duration or time
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/03Pressure
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/40Liquid flow rate
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2209/00Controlling or monitoring parameters in water treatment
    • C02F2209/44Time
    • C02F2209/445Filter life
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2301/00General aspects of water treatment
    • C02F2301/08Multistage treatments, e.g. repetition of the same process step under different conditions
    • CCHEMISTRY; METALLURGY
    • C02TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02FTREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F2303/00Specific treatment goals
    • C02F2303/14Maintenance of water treatment installations

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Nanotechnology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Organic Chemistry (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

The invention discloses a kind of purifier and its filter element life detection systems, method.Wherein, purifier includes filter device and water storage device, filter device includes at least one RO filter core, water storage device is connected with filter device, water storage device is to store through the filtered water of filter device, filter element life detection system includes: water detection components, and water detection components correspond to water storage device setting, and water detection components are to detect the water situation of change in water storage device;Controller, controller are connected with water detection components, and controller obtains the water speed processed of purifier according to water situation of change, and judges whether the service life of RO filter core expires according to water speed processed.There are the principles of different water speeds processed when the system is normally expired from the service life based on RO filter element life, water speed processed by measuring purifier determines whether the service life of RO filter core expires, influence of the water quality to RO filter core is eliminated, the accuracy of the judging service life of RO filter core is improved.

Description

Purifier and its filter element life detection system, method
Technical field
The present invention relates to purifier technical field more particularly to a kind of filter element life detection systems of purifier, one Kind purifier and a kind of filter element life detecting method of purifier.
Background technique
As purifier uses the extension of time, the impurity in water can block filter core, and the water quality filtered out can decline, Therefore filter core has certain service life, and user needs to regularly replace filter core.
It is whole generally by calculating although expiring prompting function currently, most of purifier all has filter element life The working time of the power-on time of machine or booster pump judges whether the core service life expires.However, above two method does not all have Consider influence of raw water (the water i.e. to be filtered) water quality to filter element life, no matter using any in above two method, all It is unable to the actual use situation of actual response filter element life.
Summary of the invention
The present invention is directed to solve at least some of the technical problems in related technologies.For this purpose, of the invention First purpose is to propose a kind of filter element life detection system of purifier, which is based on RO filter element life normally and the longevity There are the principles of different water speeds processed when expiring for life, the water speed processed by measuring purifier determine RO filter core service life whether It expires, eliminates influence of the water quality to RO filter core, improve the accuracy of the judging service life of RO filter core.
Second object of the present invention is to propose a kind of purifier.
Third object of the present invention is to propose a kind of filter element life detecting method of purifier.
To achieve the above object, first aspect present invention embodiment proposes a kind of filter element life detection system of purifier System, the purifier includes filter device and water storage device, and the filter device includes at least one RO filter core, the water storage Device is connected with the filter device, and the water storage device is to store through the filtered water of the filter device, the filter core Life tests system includes: water detection components, and the water detection components correspond to the water storage device setting, the water inspection Component is surveyed to detect the water situation of change in the water storage device;Controller, the controller and the water detection group Part is connected, and the controller obtains the water speed processed of the purifier according to the water situation of change, and according to the system Water speed judges whether the service life of the RO filter core expires.
The filter element life detection system of purifier according to an embodiment of the present invention detects water storage by water detection components Water situation of change in device, controller obtain the water speed processed of purifier according to water situation of change, and according to water processed Whether the service life of velocity estimated RO filter core expires, to eliminate influence of the water quality to RO filter core, improves the service life of RO filter core The accuracy of judgement.
In addition, the filter element life detection system of the purifier proposed according to that above embodiment of the present invention can also have as Lower additional technical feature:
According to one embodiment of present invention, the water detection components include pressure sensor, the pressure sensor The bottom of the water storage device is set, the water detection components by pressure change that the pressure sensor detects with Detect the water situation of change.
According to one embodiment of present invention, above-mentioned filter element life detection system further includes prompting device, the prompting device Be connected with the controller, wherein the controller the water speed processed be less than it is preset expire water speed processed when judge institute The service life for stating RO filter core expires, and controls the prompting device and issue the prompt information that expires.
According to one embodiment of present invention, the controller obtains the preset water processed that expires also according to following formula Speed: V=K*Vo, wherein V is the preset water speed processed that expires, and K is adjustable between 0 to 1, and Vo is the first of the purifier Begin water speed processed.
According to one embodiment of present invention, the value that controller adjusts K according to the raw water quality before filtering is stated.
To achieve the above object, second aspect of the present invention embodiment proposes a kind of purifier comprising the present invention the The filter element life detection system of purifier described in one side embodiment.
Purifier according to an embodiment of the present invention is based on by the filter element life detection system of above-mentioned purifier There are the principles of different water speeds processed when RO filter element life normally expires from the service life, determine RO filter core by measuring water speed processed Service life whether expire, eliminate influence of the water quality to RO filter core, improve the accuracy of the judging service life of RO filter core.
To achieve the above object, third aspect present invention embodiment proposes a kind of filter element life detection side of purifier Method, the purifier include filter device and water storage device, and the filter device includes at least one RO filter core, the filter core Life detecting method is the following steps are included: detect the water situation of change in the water storage device;Change feelings according to the water Condition obtains the water speed processed of the purifier, and judges whether the service life of the RO filter core expires according to the water speed processed.
The filter element life detecting method of purifier according to an embodiment of the present invention, the first water in detection water storage device Situation of change, then obtains the water speed processed of purifier according to water situation of change, and judges RO filter core according to water speed processed Service life whether expire, to eliminate influence of the water quality to RO filter core, improve the accuracy of the judging service life of RO filter core.
In addition, the filter element life detecting method of the purifier proposed according to that above embodiment of the present invention can also have as Lower additional technical feature:
According to one embodiment of present invention, if the water speed processed is less than the preset water speed processed that expires, judge The service life of the RO filter core expires, and issues the prompt information that expires.
According to one embodiment of present invention, the preset water speed processed that expires: V=K* is obtained according to the following formula Vo, wherein V is the default water speed processed that expires, and K is adjustable between 0 to 1, and Vo is the initial water speed processed of the purifier.
According to one embodiment of present invention, the value of K is adjusted according to the raw water quality before filtering.
Detailed description of the invention
Above-mentioned and/or additional aspect and advantage of the invention will become from the following description of the accompanying drawings of embodiments Obviously and it is readily appreciated that, wherein
Fig. 1 is the block diagram of the filter element life detection system of purifier according to an embodiment of the invention;
Fig. 2 is the block diagram of the filter element life detection system of purifier in accordance with another embodiment of the present invention;
Fig. 3 is the flow chart of the filter element life detecting method of purifier according to an embodiment of the invention;And
Fig. 4 is the flow chart of the filter element life detecting method of purifier in accordance with another embodiment of the present invention.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
The filter element life detection system, net of the purifier proposed according to embodiments of the present invention described with reference to the accompanying drawings The filter element life detecting method of wetting system and purifier.
Fig. 1 is the block diagram of the filter element life detection system of purifier according to an embodiment of the invention.Its In, as shown in Figure 1, purifier includes: filter device 10 and water storage device 20;Filter element life detection system includes: water inspection Survey component 30 and controller 40.
Wherein, filter device 10 includes at least one RO filter core, and water storage device 20 is connected with filter device 10, water storage device 20 to store through the filtered water of filter device 10.The corresponding water storage device 20 of water detection components 30 is arranged, water detection group Part 30 is to detect the water situation of change in water storage device 20.Controller 40 is connected with water detection components 30, controller 40 The water speed processed of purifier is obtained according to water situation of change, and judges whether the service life of RO filter core arrives according to water speed processed Phase.
Specifically, filter device 10 includes at least one RO filter core and other several filter cores.Water storage device 20 can be water The water storage device of bag, water tank or other way, can assemble in water storage device 20 first through the filtered water of filter device 10. Water detection components 30 can detecte the water situation of change in water storage device 20.Since RO filter element life normally expires with the service life When there are different water speeds processed, therefore controller 40 can according to water situation of change in set time inner storing water device 20, Or water storage device 20 generates the time of certain water variation consumption, calculates the water speed processed of purifier, and according to system Water speed judges whether the service life of RO filter core expires.The system is based on existing when RO filter element life normally expires with the service life as a result, The principle of difference water speed, the water speed processed by measuring purifier determine whether the service life of RO filter core expires, eliminate Influence of the water quality to RO filter core, improves the accuracy of the judging service life of RO filter core.
According to one embodiment of present invention, water detection components 30 include pressure sensor, and pressure sensor setting exists The bottom of water storage device 20, water detection components 30 change feelings by the pressure change that pressure sensor detects to detect water Condition.
Specifically, the pressure generated due to 20 SEA LEVEL VARIATION of water storage device can be directly measured by pressure sensor to become Change, so as to measure the variation of water in water storage device 20.
According to one embodiment of present invention, as shown in Fig. 2, the filter element life detection system of above-mentioned purifier may be used also To include prompting device 50.Prompting device 50 is connected with controller 40, wherein controller 40 is less than the preset system of expiring in water speed processed Judge that the service life of RO filter core expires when water speed V, and controls prompting device 50 and issue the prompt information that expires.
It is appreciated that the impurity in water can block filter core, the water speed meeting processed of purifier with the increase for using the time It is slower and slower, therefore, the water speed V processed that expires when RO filter element life expires, controller can be precomputed as the case may be 40 can be compared water speed processed with V, if water speed processed is less than the preset water speed V processed that expires, illustrate RO filter core Service life has expired.To guarantee purifier, controller 40 can control prompting device 50 and issue the prompt information that expires, to remind user Replace RO filter core.Wherein, prompting device 50 can for indicator light, display screen, voice broadcast mould etc., with issue light, text or Voice prompting etc..
Further, in an embodiment of the present invention, controller 40 can also obtain preset expire according to the following formula Water speed V processed:
V=K*Vo,
Wherein, V is the preset water speed processed that expires, and K is adjustable between 0 to 1, and Vo is the initial water speed processed of purifier Degree.
It is appreciated that controller 40 can adjust the value of K according to the raw water quality before filtering, general K is 0.8 or so.
In conclusion the filter element life detection system of purifier according to an embodiment of the present invention, detects group by water Part detects the water situation of change in water storage device, and controller obtains the water speed processed of purifier according to water situation of change, And judge whether the service life of RO filter core expires according to water speed processed, to eliminate influence of the water quality to RO filter core, improve RO The accuracy of the judging service life of filter core.
The embodiment of the present invention also proposes a kind of purifier comprising the filter element life detection system of above-mentioned purifier System.
Purifier according to an embodiment of the present invention is based on by the filter element life detection system of above-mentioned purifier There are the principles of different water speeds processed when RO filter element life normally expires from the service life, determine RO filter core by measuring water speed processed Service life whether expire, eliminate influence of the water quality to RO filter core, improve the accuracy of the judging service life of RO filter core.
Fig. 3 is the flow chart of the filter element life detecting method of purifier according to an embodiment of the invention.Wherein, only Wetting system includes filter device and water storage device, and filter device includes at least one RO filter core, as shown in figure 3, filter element life is examined Survey method the following steps are included:
S1 detects the water situation of change in water storage device.
Specifically, pressure sensor, the pressure detected by pressure sensor can be set in the bottom of water storage device Variation is to detect the water situation of change in water storage device.
S2, the water speed processed of purifier is obtained according to water situation of change, and judges RO filter core according to water speed processed Whether the service life expires.
Specifically, can assemble in water storage device first through the filtered water of filter device, since RO filter element life is normal There are different water speeds processed when expiring from the service life, thus can according to water situation of change in set time inner storing water device, Or water storage device generates the time of certain water variation consumption, calculates the water speed processed of purifier, and according to water processed Whether the service life of velocity estimated RO filter core expires.This method is based on existing not when RO filter element life normally expires with the service life as a result, With the principle of water speed processed, the water speed processed by measuring purifier determines whether the service life of RO filter core expires, and eliminates water The influence of confrontation RO filter core, improves the accuracy of the judging service life of RO filter core.
According to one embodiment of present invention, as shown in figure 4, judging whether the service life of RO filter core arrives according to water speed processed Phase, comprising:
S201, judges whether water speed processed is less than the preset water speed V processed that expires.
S202 judges that the service life of RO filter core expires, concurrently if water speed processed is less than the preset water speed V processed that expires Expire prompt information out.
Specifically, with the increase for using the time, the impurity in water can block filter core, and the water speed processed of purifier can be got over Come slower, therefore, the water speed V processed that expires when RO filter element life expires can be precomputed as the case may be, it then can be with Water speed processed is compared with V, if water speed processed is less than the preset water speed V processed that expires, has illustrated RO filter element life It expires.To guarantee purifier, it can control purifier and issue the prompt information that expires, to remind user to replace RO filter core.Its In, prompt information can be light, text or voice prompting etc..
Further, in an embodiment of the present invention, the preset water speed V processed that expires can be obtained according to the following formula:
V=K*Vo,
Wherein, V is the default water speed processed that expires, and K is adjustable between 0 to 1, and Vo is the initial water speed processed of purifier.
It is appreciated that can adjust the value of K according to the raw water quality before filtering, general K is 0.8 or so.
In conclusion the filter element life detecting method of purifier according to an embodiment of the present invention, first detection water storage dress Interior water situation of change is set, the water speed processed of purifier is then obtained according to water situation of change, and according to water speed processed Judge whether the service life of RO filter core expires, to eliminate influence of the water quality to RO filter core, improves the judging service life of RO filter core Accuracy.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " be orientation based on the figure or Positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device or element of indication or suggestion meaning must There must be specific orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include at least one this feature.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three It is a etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral;It can be mechanical connect It connects, is also possible to be electrically connected;It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements, unless otherwise restricted clearly.For those of ordinary skill in the art For, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
In the present invention unless specifically defined or limited otherwise, fisrt feature in the second feature " on " or " down " can be with It is that the first and second features directly contact or the first and second features pass through intermediary mediate contact.Moreover, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature be directly above or diagonally above the second feature, or be merely representative of First feature horizontal height is higher than second feature.Fisrt feature can be under the second feature " below ", " below " and " below " One feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be in office It can be combined in any suitable manner in one or more embodiment or examples.In addition, without conflicting with each other, the skill of this field Art personnel can tie the feature of different embodiments or examples described in this specification and different embodiments or examples It closes and combines.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned Embodiment is changed, modifies, replacement and variant.

Claims (10)

1. a kind of filter element life detection system of purifier, which is characterized in that the purifier includes filter device and storage Water installations, the filter device include at least one RO filter core, and the water storage device is connected with the filter device, the water storage To store through the filtered water of the filter device, the filter element life detection system includes: device
Water detection components, the water detection components correspond to the water storage device setting, and the water detection components are to examine Survey the water situation of change in the water storage device;
Controller, the controller are connected with the water detection components, and the controller is obtained according to the water situation of change The water speed processed of the purifier is taken, and judges whether the service life of the RO filter core expires according to the water speed processed.
2. the filter element life detection system of purifier as described in claim 1, which is characterized in that the water detection components Including pressure sensor, the bottom of the water storage device is arranged in the pressure sensor, and the water detection components pass through institute The pressure change that pressure sensor detects is stated to detect the water situation of change.
3. the filter element life detection system of purifier as claimed in claim 1 or 2, which is characterized in that it further include prompting device, The prompting device is connected with the controller, wherein the controller is less than the preset water speed processed that expires in the water speed processed Judge that the service life of the RO filter core expires when spending, and controls the prompting device and issue the prompt information that expires.
4. the filter element life detection system of purifier as claimed in claim 3, which is characterized in that the controller also according to Following formula obtains the preset water speed processed that expires:
V=K*Vo,
Wherein, V is the preset water speed processed that expires, and K is adjustable between 0 to 1, and Vo is the initial water speed processed of the purifier Degree.
5. the filter element life detection system of purifier as claimed in claim 4, which is characterized in that the controller is according to mistake Raw water quality before filter adjusts the value of K.
6. a kind of purifier, which is characterized in that the filter core longevity including purifier according to any one of claims 1 to 5 Order detection system.
7. a kind of filter element life detecting method of purifier, which is characterized in that the purifier includes filter device and storage Water installations, the filter device include at least one RO filter core, the filter element life detecting method the following steps are included:
Detect the water situation of change in the water storage device;
The water speed processed of the purifier is obtained according to the water situation of change, and according to the water speed judgement processed Whether the service life of RO filter core expires.
8. the filter element life detecting method of purifier as claimed in claim 7, which is characterized in that according to the water speed processed Judge whether the service life of the RO filter core expires, comprising:
Judge whether the water speed processed is less than the preset water speed processed that expires;
If the water speed processed is less than the preset water speed processed that expires, judge that the service life of the RO filter core expires, and issue Expire prompt information.
9. the filter element life detecting method of purifier as claimed in claim 8, which is characterized in that obtain according to the following formula The preset water speed processed that expires:
V=K*Vo,
Wherein, V is the default water speed processed that expires, and K is adjustable between 0 to 1, and Vo is the initial water speed processed of the purifier.
10. the filter element life detecting method of purifier as claimed in claim 9, which is characterized in that according to the original before filtering The value of water water quality adjustment K.
CN201710542739.9A 2017-07-05 2017-07-05 Water purifying equipment and filter element service life detection system and method thereof Active CN109200826B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111547782A (en) * 2020-04-09 2020-08-18 深圳安吉尔饮水产业集团有限公司 Filter element blockage judging method and water purifying equipment
CN114307353A (en) * 2022-01-11 2022-04-12 珠海格力电器股份有限公司 Filter element expiration reminding method and device and water purifying equipment

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