CN112573687A - Method for judging service life of filter element and management system - Google Patents
Method for judging service life of filter element and management system Download PDFInfo
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Abstract
The invention discloses a method for judging the service life of a filter element and a management system, wherein the method for judging comprises the steps of setting parameters in a parameter setting unit; detecting various parameters of raw water by using a handheld water quality detector, and then calibrating the service life of a filter element of the water purifier; the time module records the operating time, the contrast module compares the total power-on time with the water making operating time, the calibration module utilizes the total power-on time to carry out dynamic calibration to the service life of the filter element with the water making operating time, the operating time is recorded through the time module, the contrast module compares the total power-on time with the water making operating time, the calibration module utilizes the total power-on time to carry out dynamic calibration to the service life of the filter element with the water making operating time, when the water purifier works, the filter element service life of the water purifier can be automatically and dynamically monitored, then the calibration is carried out, the filter element is enabled to work under different parameters, and the service life of the filter element can be prolonged.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a method for judging the service life of a filter element and a management system.
Background
Along with the continuous development of society, people pay more and more attention to the aspect of water treatment, therefore the water purifier steps into people's life gradually, and the water purifier is the water treatment facilities who carries out deep filtration, purification treatment to quality of water according to the operation requirement to water, can effectively filter rust, grit, colloid and adsorb chemical agents such as residual chlorine in the water, smell flavor, heterochrosis, pesticide, and impurity such as bacterium, germ, toxin, heavy metal in the water, and the application of water purification technique in the drinking water field has solved many places effectively because the harmful substance exceeds standard and cause the endemic disease in the groundwater.
However, the service life of the filter element in the water purifier can be influenced when the existing water purifier is used for a long time, and the service life of the filter element is not dynamically adjusted by the existing water purifier, so that the service life of the filter element is prolonged, and the defect is not correspondingly improved.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a method for judging the service life of a filter element and a management system, which solve the problems that the service life of the filter element in the water purifier is influenced when the existing water purifier is used for a long time, and the service life of the filter element is not dynamically adjusted in the existing water purifier.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a management system of filter core life-span, includes central processing unit, central processing unit's input pass through the wire respectively with the output electric connection of parameter setting unit and data acquisition module, the output electric connection of wire and water quality testing appearance is passed through to data acquisition module's input, central processing unit's output passes through the output electric connection of wire and calibration module, realize both way junction through the wire between central processing unit and the contrast module, the output electric connection of wire and time module is passed through to the input of contrast module.
The parameter setting unit comprises a water quality parameter module, a filter element service life parameter module and a reference standby time parameter module, wherein the input ends of the water quality parameter module, the filter element service life parameter module and the reference standby time parameter module are electrically connected with the output end of the input module through wires, and the output ends of the water quality parameter module, the filter element service life parameter module and the reference standby time parameter module are electrically connected with the input end of the storage module through wires.
Preferably, the water quality detector detects TDS, turbidity, TOC, COD and residual chlorine of raw water.
Preferably, the management system of the filter element life includes the following steps:
s1, setting parameters in the parameter setting unit, wherein the parameters are the service life of each stage of filter element and the reference standby time length;
s2, detecting TDS parameters, turbidity parameters, TOC parameters, COD parameters and residual chlorine parameters of raw water by using a handheld water quality detector, and performing installation calibration on the service life of a filter element of the water purifier after detection, wherein the filter element in the water purifier is divided into five stages, the first stage is a PPF5um filter element, the second stage is a granular activated carbon filter element, the third stage is a PPF1um filter element, the fourth stage is an RO membrane, and the fifth stage is a post-positioned granular activated carbon filter element;
and S3, the time module records the working time, the comparison module compares the total power-on time with the water making working time, and the calibration module dynamically calibrates the service life of the filter element by using the total power-on time and the water making working time.
Preferably, in step S1, when setting the parameters, the first stage filter element cycle, the second stage filter element cycle, and the third stage filter element cycle are all set to 90 days, the fourth stage filter element cycle is set to 450 days, and the fifth stage filter element cycle is set to 180 days.
Preferably, the first-stage filter element, the second-stage filter element and the third-stage filter element are calculated according to the total water production amount of 1T, the purified water flow is calculated according to 200ml/min, namely the service life is 5000min, the fourth-stage filter element is calculated according to the total water production amount of 5T, the purified water flow is calculated according to 200ml/min, namely the service life is 25000min, the fifth-stage filter element is calculated according to the total water production amount of 2T, and the purified water flow is calculated according to 200ml/min, namely the service life is 10000 min.
Preferably, in step S2, the first filter element detects turbidity, the second filter element detects COD, the third filter element detects COD, the fourth filter element detects TDS, the fifth filter element detects COD, and the correction coefficients of the first to fifth filter elements are 0.7, 0.85, 1, 1.25, and 1.5.
Preferably, the first stage cartridge: when NTU is more than 300, setting the service life coefficient of the filter element of the inlet water quality to be 0.7; when NTU is more than 150 and less than or equal to 300, setting the service life coefficient of the filter element of the inlet water quality to be 0.85; setting the service life coefficient of the filter element of the inlet water quality to be 1 when NTU is more than 50 and less than or equal to 150, and setting the service life coefficient of the filter element of the inlet water quality to be 1.255 when NTU is more than 10 and less than or equal to 50; when NTU is less than or equal to 10, setting the service life coefficient of the filter element corresponding to the water quality of the inlet water to be 1.5;
the second and third filter elements: when COD is more than 10, setting the service life coefficient of the filter element corresponding to the water quality of the inlet water to be 0.7; when COD is more than 5 and less than or equal to 10, setting the service life coefficient of the filter element of the inlet water quality to be 0.85; when COD is more than 3 and less than or equal to 5, setting the service life coefficient of the filter element of the inlet water quality to be 1; when COD is more than 1 and less than or equal to 3, the service life coefficient of the filter element of the inlet water quality is set to be 1.255; when COD is less than or equal to 1, setting the service life coefficient of the filter element corresponding to the water quality of the inlet water to be 1.5;
the fourth stage filter element: when the TDS is more than 600, setting the service life coefficient of the filter element of the inlet water quality to be 0.7; when TDS is more than 450 and less than or equal to 600, setting the service life coefficient of the filter element of the inlet water quality to be 0.85; when the TDS is more than 300 and less than or equal to 450, setting the service life coefficient of the filter element of the inlet water quality to be 1; when the TDS is more than 150 and less than or equal to 300, setting the service life coefficient of the filter element of the inlet water quality to be 1.25; when the TDS is less than or equal to 150, setting the service life coefficient of the filter element corresponding to the water quality of the inlet water to be 1.5;
the fifth stage filter element: when COD is more than 10, setting the service life coefficient of the filter element of the inlet water quality to be 0.7; when the COD is more than 5 and less than or equal to 10, the service life coefficient of the filter element of the inlet water quality is set to be 0.85; when COD is more than 3 and less than or equal to 5, setting the service life coefficient of the filter element of the inlet water quality to be 1; when COD is more than 1 and less than or equal to 3, the service life coefficient of the filter element of the inlet water quality is set to be 1.255; when COD is less than or equal to 1, the service life coefficient of the filter element of the inlet water quality is set to be 1.5.
Preferably, in step S3, when dynamically calibrating the filter element, the actual standby time is set to M/day, the actual operating time is Z/min, the dynamic life is Y/day, the reference standby time is set to N/day, and the reference operating time is X/min:
if M < N, Z > X, the service life of the filter element is expired, but the standby time is not expired, which indicates that the water consumption of a user is large, and at the moment, the service life of the filter element can be prolonged, wherein Y is X ((Z-X)/Z + 1), and Y is less than or equal to 2X;
if M is less than N and Z is less than or equal to X, the service life of the filter element is not expired, and Y is equal to X;
if M is larger than or equal to N and Z is smaller than or equal to X, the water consumption of a user is small, the service life of the filter element can be properly reduced according to the water quality coefficient C, Y is larger than or equal to X (1- (X-Z)/X), Y is larger than or equal to 0.7X, C is larger than 1, and Y is larger than X when C is smaller than 1.
Advantageous effects
The invention provides a method for judging the service life of a filter element and a management system, which have the following beneficial effects compared with the prior art:
according to the filter element service life judging method and the management system, the time module is used for recording the working time, the comparison module is used for comparing the total power-on time with the water making working time, the calibration module is used for dynamically calibrating the service life of the filter element by utilizing the total power-on time and the water making working time, when the water purifier works, the filter element service life of the water purifier can be dynamically monitored automatically and then calibrated, so that the filter element works under different parameters, and the service life of the filter element can be prolonged.
Drawings
FIG. 1 is a schematic frame diagram of the present invention;
FIG. 2 is a schematic block diagram of a parameter setting unit according to the present invention;
fig. 3 is a flow chart of the operation of the present invention.
In the figure: 1. a central processing unit; 2. a parameter setting unit; 21. a water quality parameter module; 22. a filter element life parameter module; 23. a reference standby time length parameter module; 24. a recording module; 25. a storage module; 3. a data acquisition module; 4. a water quality detector; 5. a calibration module; 6. a comparison module; 7. and a time module.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a management system of filter core life-span, including central processing unit 1, central processing unit 1's input passes through the wire respectively with parameter setting unit 2 and data acquisition module 3's output electric connection, data acquisition module 3's input passes through the wire and water quality testing appearance 4's output electric connection, central processing unit 1's output passes through the wire and calibrates module 5's output electric connection, realize two-way connection through the wire between central processing unit 1 and the contrast module 6, contrast module 6's input passes through the wire and time module 7's output electric connection.
The parameter setting unit 2 comprises a water quality parameter module 21, a filter element life parameter module 22 and a reference standby time length parameter module 23, wherein the input ends of the water quality parameter module 21, the filter element life parameter module 22 and the reference standby time length parameter module 23 are electrically connected with the output end of the input module 24 through leads, and the output ends of the water quality parameter module 21, the filter element life parameter module 22 and the reference standby time length parameter module 23 are electrically connected with the input end of the storage module 25 through leads.
Further, the water quality detector 4 detects TDS, turbidity, TOC, COD, and residual chlorine of the raw water.
Further, a management system for the service life of the filter element, wherein the management system judgment method comprises the following steps:
s1, setting parameters in the parameter setting unit 2, wherein the parameters are the service life of each stage of filter element and the reference standby time length;
s2, detecting TDS parameters, turbidity parameters, TOC parameters, COD parameters and residual chlorine parameters of raw water by using a handheld water quality detector 4, and performing installation calibration on the service life of a filter element of the water purifier after detection, wherein the filter element in the water purifier is divided into five stages, the first stage is a PPF5um filter element, the second stage is a granular activated carbon filter element, the third stage is a PPF1um filter element, the fourth stage is an RO membrane, and the fifth stage is a post-positioned granular activated carbon filter element;
and S3, the time module 7 records the working time, the comparison module 6 compares the total power-on time with the water making working time, and the calibration module 5 dynamically calibrates the service life of the filter element by using the total power-on time and the water making working time.
Further, in step S1, when setting the parameters, the first stage filter element cycle, the second stage filter element cycle, and the third stage filter element cycle are all set to 90 days, the fourth stage filter element cycle is set to 450 days, and the fifth stage filter element cycle is set to 180 days.
Furthermore, the first stage filter element, the second stage filter element and the third stage filter element are calculated according to the total water production amount of 1T, the purified water flow is calculated according to 200ml/min, namely the service life is 5000min, the fourth stage filter element is calculated according to the total water production amount of 5T, the purified water flow is calculated according to 200ml/min, namely the service life is 25000min, the fifth stage filter element is calculated according to the total water production amount of 2T, and the purified water flow is calculated according to 200ml/min, namely the service life is 10000 min.
Further, in step S2, the first order filter core detects turbidity, the second level filter core detects COD, the third level filter core detects COD, the fourth level filter core detects TDS, the fifth level filter core detects COD, and the correction coefficient of first order to fifth level filter core is 0.7, 0.85, 1, 1.25, 1.5.
Further, the first stage filter element: when NTU is more than 300, setting the service life coefficient of the filter element of the inlet water quality to be 0.7; when NTU is more than 150 and less than or equal to 300, setting the service life coefficient of the filter element of the inlet water quality to be 0.85; setting the service life coefficient of the filter element of the inlet water quality to be 1 when NTU is more than 50 and less than or equal to 150, and setting the service life coefficient of the filter element of the inlet water quality to be 1.255 when NTU is more than 10 and less than or equal to 50; when NTU is less than or equal to 10, setting the service life coefficient of the filter element corresponding to the quality of the inlet water to be 1.5;
a second stage filter element and a third stage filter element: when COD is more than 10, setting the service life coefficient of the filter element corresponding to the quality of the inlet water to be 0.7; when the COD is more than 5 and less than or equal to 10, the service life coefficient of the filter element of the inlet water quality is set to be 0.85; when COD is more than 3 and less than or equal to 5, setting the service life coefficient of the filter element of the inlet water quality to be 1; when COD is more than 1 and less than or equal to 3, the service life coefficient of the filter element of the inlet water quality is set to be 1.255; when COD is less than or equal to 1, setting the service life coefficient of the filter element corresponding to the quality of the inlet water to be 1.5;
a fourth stage filter element: when the TDS is more than 600, setting the service life coefficient of a filter element of the inlet water quality to be 0.7; when TDS is more than 450 and less than or equal to 600, setting the service life coefficient of the filter element of the influent water quality to be 0.85; when TDS is more than 300 and less than or equal to 450, setting the service life coefficient of the filter element of the inlet water quality to be 1; when the TDS is more than 150 and less than or equal to 300, setting the service life coefficient of the filter element of the inlet water quality to be 1.25; when the TDS is less than or equal to 150, setting the service life coefficient of the filter element corresponding to the quality of the inlet water to be 1.5;
a fifth stage filter element: when COD is more than 10, setting the service life coefficient of the filter element of the inlet water quality to be 0.7; when the COD is more than 5 and less than or equal to 10, the service life coefficient of the filter element of the inlet water quality is set to be 0.85; when COD is more than 3 and less than or equal to 5, setting the service life coefficient of the filter element of the inlet water quality to be 1; when COD is more than 1 and less than or equal to 3, the service life coefficient of the filter element of the inlet water quality is set to be 1.255; when COD is less than or equal to 1, the service life coefficient of the filter element of the inlet water quality is set to be 1.5.
Further, in step S3, when dynamically calibrating the filter element, setting the actual standby time to M/day, the actual operating time to Z/min, the dynamic life to Y/day, the reference standby time to N/day, and the reference operating time to X/min:
if M < N, Z > X, the service life of the filter element is expired, but the standby time is not expired, which indicates that the water consumption of a user is large, and at the moment, the service life of the filter element can be prolonged, wherein Y is X ((Z-X)/Z + 1), and Y is less than or equal to 2X;
if M is less than N and Z is less than or equal to X, the service life of the filter element is not expired, and Y is equal to X;
if M is larger than or equal to N and Z is smaller than or equal to X, the water consumption of a user is small, the service life of the filter element can be properly reduced according to the water quality coefficient C, Y is larger than or equal to X (1- (X-Z)/X), Y is larger than or equal to 0.7X, C is larger than 1, and Y is larger than X when C is smaller than 1.
And those not described in detail in this specification are well within the skill of those in the art.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A method for determining the service life of a filter element is characterized by comprising the following steps:
s1, setting parameters in the parameter setting unit, wherein the parameters are the service life of each stage of filter element and the reference standby time length;
s2, detecting TDS parameters, turbidity parameters, TOC parameters, COD parameters and residual chlorine parameters of raw water by using a handheld water quality detector during assembly, and performing assembly calibration on the service life of a filter element of the water purifier after detection, wherein the filter element in the water purifier is divided into five stages, the first stage is a PPF5um filter element, the second stage is a granular activated carbon filter element, the third stage is a PPF1um filter element, the fourth stage is an RO membrane, and the fifth stage is a rear granular activated carbon filter element;
and S3, the time module records the working time, the comparison module compares the total power-on time with the water making working time, and the calibration module dynamically calibrates the service life of the filter element by using the total power-on time and the water making working time.
2. A method of determining a lifetime of a filter element according to claim 1, wherein: in step S1, when setting the parameters, the first stage filter element cycle, the second stage filter element cycle, and the third stage filter element cycle are all set to 90 days, the fourth stage filter element cycle is set to 450 days, and the fifth stage filter element cycle is set to 180 days.
3. A filter element life judging method according to claim 2, characterized in that: the first-stage filter element, the second-stage filter element and the third-stage filter element are calculated according to the total water production amount of 1T, the service life of the purified water flow is 5000min according to 200ml/min, the service life of the fourth-stage filter element is 25000min according to the total water production amount of 5T, the service life of the fifth-stage filter element is 10000min according to the total water production amount of 200ml/min, and the service life of the fifth-stage filter element is 10000 min.
4. A method of determining a lifetime of a filter element according to claim 1, wherein: in step S2, the first filter element detects turbidity, the second filter element detects COD, the third filter element detects COD, the fourth filter element detects TDS, the fifth filter element detects COD, and the correction coefficients of the first to fifth filter elements are 0.7, 0.85, 1, 1.25, 1.5.
5. A method of determining a lifetime of a filter element according to claim 1, wherein: a first stage filter element: when NTU is more than 300, setting the service life coefficient of the filter element of the inlet water quality to be 0.7; when NTU is more than 150 and less than or equal to 300, setting the service life coefficient of the filter element of the inlet water quality to be 0.85; setting the service life coefficient of the filter element of the inlet water quality to be 1 when NTU is more than 50 and less than or equal to 150, and setting the service life coefficient of the filter element of the inlet water quality to be 1.255 when NTU is more than 10 and less than or equal to 50; when NTU is less than or equal to 10, setting the service life coefficient of the filter element corresponding to the quality of the inlet water to be 1.5;
a second stage filter element and a third stage filter element: when COD is more than 10, setting the service life coefficient of the filter element corresponding to the quality of the inlet water to be 0.7; when the COD is more than 5 and less than or equal to 10, the service life coefficient of the filter element of the inlet water quality is set to be 0.85; when COD is more than 3 and less than or equal to 5, setting the service life coefficient of the filter element of the inlet water quality to be 1; when COD is more than 1 and less than or equal to 3, the service life coefficient of the filter element of the inlet water quality is set to be 1.255; when COD is less than or equal to 1, setting the service life coefficient of the filter element corresponding to the quality of the inlet water to be 1.5;
a fourth stage filter element: when the TDS is more than 600, setting the service life coefficient of a filter element of the inlet water quality to be 0.7; when TDS is more than 450 and less than or equal to 600, setting the service life coefficient of the filter element of the influent water quality to be 0.85; when TDS is more than 300 and less than or equal to 450, setting the service life coefficient of the filter element of the inlet water quality to be 1; when the TDS is more than 150 and less than or equal to 300, setting the service life coefficient of the filter element of the inlet water quality to be 1.25; when the TDS is less than or equal to 150, setting the service life coefficient of the filter element corresponding to the quality of the inlet water to be 1.5;
a fifth stage filter element: when COD is more than 10, setting the service life coefficient of the filter element of the inlet water quality to be 0.7; when the COD is more than 5 and less than or equal to 10, the service life coefficient of the filter element of the inlet water quality is set to be 0.85; when COD is more than 3 and less than or equal to 5, setting the service life coefficient of the filter element of the inlet water quality to be 1; when COD is more than 1 and less than or equal to 3, the service life coefficient of the filter element of the inlet water quality is set to be 1.255; when COD is less than or equal to 1, the service life coefficient of the filter element of the inlet water quality is set to be 1.5.
6. A method of determining a lifetime of a filter element according to claim 1, wherein: in step S3, when dynamically calibrating the filter element, the actual standby time is set to M/day, the actual operating time is Z/min, the dynamic life is Y/day, the reference standby time is set to N/day, and the reference operating time is X/min:
if M < N, Z > X, the service life of the filter element is expired, but the standby time is not expired, which indicates that the water consumption of a user is large, and at the moment, the service life of the filter element can be prolonged, wherein Y is X ((Z-X)/Z + 1), and Y is less than or equal to 2X;
if M is less than N and Z is less than or equal to X, the service life of the filter element is not expired, and Y is equal to X;
if M is larger than or equal to N and Z is smaller than or equal to X, the water consumption of a user is small, the service life of the filter element can be properly reduced according to the water quality coefficient C, Y is larger than or equal to X (1- (X-Z)/X), Y is larger than or equal to 0.7X, C is larger than 1, and Y is larger than X when C is smaller than 1.
7. A filter cartridge life determination method according to any one of claims 1 to 6, characterized in that: the management system comprises a central processing unit (1), wherein the input end of the central processing unit (1) is respectively connected with the output ends of a parameter setting unit (2) and a data acquisition module (3) through wires, the input end of the data acquisition module (3) is connected with the output end of a water quality detector (4) through wires, the output end of the central processing unit (1) is connected with the output end of a calibration module (5) through wires, two-way connection is realized between the central processing unit (1) and a comparison module (6) through wires, and the input end of the comparison module (6) is connected with the output end of a time module (7) through wires.
8. The management system of a method of determining a lifetime of a filter element according to claim 7, wherein: parameter setting unit (2) are including water quality parameter module (21) and filter core life parameter module (22) and long parameter module (23) of benchmark standby, the input of long parameter module (23) is all through wire and the output electric connection who types module (24) in water quality parameter module (21) and filter core life parameter module (22) and the benchmark standby, the output of long parameter module (23) is all through wire and the input electric connection of storage module (25) in water quality parameter module (21) and filter core life parameter module (22) and the benchmark standby.
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