CN104819545B - A kind of air purifier and its screen replacing based reminding method and device - Google Patents

A kind of air purifier and its screen replacing based reminding method and device Download PDF

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Publication number
CN104819545B
CN104819545B CN201510226714.9A CN201510226714A CN104819545B CN 104819545 B CN104819545 B CN 104819545B CN 201510226714 A CN201510226714 A CN 201510226714A CN 104819545 B CN104819545 B CN 104819545B
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China
Prior art keywords
filter screen
pollutant
air purifier
screen
unit
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CN104819545A (en
Inventor
王平
吴荣杰
刘锐
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Science And Technology Ltd Of Lang Kongyi Section Of Shenzhen
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Science And Technology Ltd Of Lang Kongyi Section Of Shenzhen
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32Responding to malfunctions or emergencies
    • F24F11/39Monitoring filter performance

Abstract

The present invention is applied to field of air purification device, more particularly to a kind of air purifier and its screen replacing based reminding method and device.In the present invention, air purifier screen replacing based reminding method considers the different factor of air quality, the pollutant concentration that detection can currently be adsorbed by filter screen, the amount of pollutants of filter screen absorption is calculated, and the amount of pollutants in each unit interval is added up, the total amount of pollutant adsorbed by filter screen is calculated, and the pollutant maximal absorptive capacity allowed with filter screen is divided by, the pollutant adsorption rate of filter screen is obtained, according to the pollutant adsorption rate, reminds user to prepare more to renew filter screen in advance;In addition, can also further calculate filter screen depletion rate, the filter screen residue up time is obtained, user can also be reminded to prepare more to renew filter screen in advance.

Description

A kind of air purifier and its screen replacing based reminding method and device
Technical field
The invention belongs to field of air purification device, more particularly to a kind of air purifier and its screen replacing based reminding method And device.
Background technology
Air purifier typically by filter screen, blower fan, processor and it is various measurement air quality sensor group into.Work During, clarifier is according to the situation of air quality, control blower fan driving air stream screen pack, the pollutant such as dust in air Adsorbed by filter screen, so as to reach the purpose of purification.Filter screen is the core component for purifying air, however, elapsing over time, is polluted Thing is constantly accumulated in filter screen, finally beyond the total amount that it can be accommodated.At this time, it may be necessary to change filter screen in time, otherwise will drop significantly The detergent power of low latitude gas purifier.
To avoid filter screen from excessively using, common way is the usage time of accumulative filter screen, once usage time is beyond pre- If service life, will be prompted to user replacing.This method is realized simply, but there is also clearly disadvantageous:Make due to have ignored With the air quality of environment, in the preferable environment of air quality, when possible usage time reaches preset value, filter screen can also be after It is continuous to accommodate more dust;And in the poor environment of air quality, then be likely to occur filter screen reaches capacity already, and clarifier is but recognized For that can be continuing with.In addition, this method can only just remind user when filter screen reaches service life, can not remind in advance User, it has not been convenient to which user prepares new filter screen in advance.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of air purifier screen replacing based reminding method, it is intended to solves present Screen replacing based reminding method exist and ignore the air quality of use environment, and user can not be reminded to change asking for filter screen in advance Topic.
The embodiment of the present invention is achieved in that a kind of air purifier screen replacing based reminding method, the purification of air Device screen replacing based reminding method comprises the following steps:
In unit interval, detection currently can be by the pollutant concentration C of filter screen absorption;
The blower fan of control air purifier is run with rotating speed corresponding with presently described pollutant concentration C, and detection air is net The discharge quantity of fan for changing device is V;
In unit of account time interval, the amount of pollutants Qa that is adsorbed by the filter screen, calculation formula is as follows:
Qa=C*V;
The amount of pollutants Qa to add up in each unit interval, it is total to be calculated the pollutant adsorbed by the filter screen Measure Qc;
The pollutant maximal absorptive capacity that obtaining the filter screen allows is Qt, calculates the pollutant adsorption rate P of the filter screen, is counted It is as follows to calculate formula:
P=Qc/Qt*100 (%);
The pollutant adsorption rate P is reminded into user.
The another object of the embodiment of the present invention is to provide a kind of air purifier screen replacing alarm set, the air Clarifier screen replacing alarm set includes:
Pollutant concentration detection unit, for the pollutant that in unit interval, detection can currently be adsorbed by filter screen Concentration C;
Discharge quantity of fan control unit, for controlling the blower fan of air purifier with corresponding with presently described pollutant concentration C Rotating speed operation, the discharge quantity of fan for detecting air purifier is V;
Amount of pollutants computing unit, for the amount of pollutants in unit of account time interval, adsorbed by the filter screen Qa, calculation formula are as follows:
Qa=C*V;
Total amount of pollutant computing unit, for the amount of pollutants Qa in each unit interval that adds up, it is calculated The total amount of pollutant Qc adsorbed by the filter screen;
Pollutant adsorption rate computing unit, the pollutant maximal absorptive capacity for obtaining the filter screen permission is Qt, is calculated The pollutant adsorption rate P of the filter screen, calculation formula are as follows:
P=Qc/Qt*100 (%);
Reminding unit, for the pollutant adsorption rate P to be reminded into user.
The another object of the embodiment of the present invention is to provide a kind of air purifier, and the air purifier includes as above institute The air purifier screen replacing alarm set stated.
In embodiments of the present invention, air purifier screen replacing based reminding method considers the different factor of air quality, inspection The pollutant concentration that can be currently adsorbed by filter screen is surveyed, calculates the amount of pollutants of filter screen absorption, and to each unit interval Interior amount of pollutants is added up, and the total amount of pollutant adsorbed by filter screen is calculated, and the pollutant maximum allowed with filter screen is inhaled Attached amount is divided by, and obtains the pollutant adsorption rate of filter screen, according to the pollutant adsorption rate, reminds user to prepare more to renew filter in advance Net;In addition, can also further calculate filter screen depletion rate, the filter screen residue up time is obtained, user can also be reminded in advance Preparation more renews filter screen.
Brief description of the drawings
Fig. 1 is the flow chart for the air purifier screen replacing based reminding method that first embodiment of the invention provides;
Fig. 2 is the flow chart for the air purifier screen replacing based reminding method that second embodiment of the invention provides;
Fig. 3 is the module map for the air purifier screen replacing alarm set that first embodiment of the invention provides;
Fig. 4 is the module map for the air purifier screen replacing alarm set that second embodiment of the invention provides.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Fig. 1 shows the flow for the air purifier screen replacing based reminding method that first embodiment of the invention provides, in order to It is easy to illustrate, illustrate only the part related to the embodiment of the present invention.
A kind of air purifier screen replacing based reminding method, the air purifier screen replacing based reminding method include as follows Step:
Step S1, in unit interval, detection currently can be by the pollutant concentration C of filter screen absorption;
Step S2, control the blower fan of air purifier to be run with rotating speed corresponding with presently described pollutant concentration C, detect The discharge quantity of fan of air purifier is V;
Step S3, in unit of account time interval, the amount of pollutants Qa that is adsorbed by the filter screen, calculation formula is as follows:
Qa=C*V;
Step S4, the amount of pollutants Qa to add up in each unit interval, is calculated what is adsorbed by the filter screen Total amount of pollutant Qc;
Step S5, the pollutant maximal absorptive capacity that obtaining the filter screen allows is Qt, and the pollutant for calculating the filter screen is inhaled Attached rate P, calculation formula are as follows:
P=Qc/Qt*100 (%);
Step S6, the pollutant adsorption rate P is reminded into user.
As one embodiment of the invention, step S1, described in unit interval, measurement currently can be by filter screen absorption Also include before pollutant concentration C:
Establish the pollutant concentration C and the rotation speed of fan of the air purifier corresponding table.
Fig. 2 shows the flow for the air purifier screen replacing based reminding method that second embodiment of the invention provides, in order to It is easy to illustrate, illustrate only the part related to the embodiment of the present invention.
As one embodiment of the invention, the air purifier screen replacing based reminding method also includes:
Step S7, calculate the current filter screen depletion rate S preset in the time;
Step S8, calculates the remaining open ended total amount of pollutant Q ' of filter screen, and calculation formula is as follows:
Q '=Qt-Qc;
Step S9, calculates the remaining up time T of filter screen, and calculation formula is as follows:
T=Q '/S;
Step S10, the remaining up time T of the filter screen is reminded into user.
As one embodiment of the invention, step S7, the calculating currently presets the filter screen depletion rate S's in the time Step specifically includes:
Preset currently in the time, the amount of pollutants that m groups are adsorbed by the filter screen is collected, by described in calculating The average value of amount of pollutants, draws the filter screen depletion rate S, and calculation formula is as follows:
S=(Qm+Qm-1+Qm-2+ ...+Q1)/m.
The indicator lamp of different colours is set on air purifier, and a variety of colors of indicator lamp correspondingly can be by the dirt of filter screen absorption Thing concentration C is contaminated, establishes pollutant concentration C and indicator lamp display color corresponding table.
As one embodiment of the invention, step S1, in unit interval, detection currently can be by the pollution of filter screen absorption Also include after thing concentration C:
According to the pollutant concentration C, pollutant concentration C and indicator lamp display color corresponding table are searched, controls instruction Lamp shows corresponding color.
For example the pollutant concentration C that can be adsorbed by filter screen is high, illustrates that air quality is poor, indicator lamp shows purple, and can quilt The pollutant concentration C of filter screen absorption is low, illustrates that air quality is good, indicator lamp display blueness, it is of course possible to set multiple colors etc. Level, show that different colours remind the current air quality of user by indicator lamp.
Fig. 3 shows the modular structure for the air purifier screen replacing alarm set that first embodiment of the invention provides, For convenience of description, it illustrate only the part related to the embodiment of the present invention.
A kind of air purifier screen replacing alarm set, the air purifier screen replacing alarm set include:
Pollutant concentration detection unit 1, for the pollutant that in unit interval, detection can currently be adsorbed by filter screen Concentration C;
Discharge quantity of fan control unit 2, for controlling the blower fan of air purifier with corresponding with presently described pollutant concentration C Rotating speed operation, the discharge quantity of fan for detecting air purifier is V;
Amount of pollutants computing unit 3, for the amount of pollutants in unit of account time interval, adsorbed by the filter screen Qa, calculation formula are as follows:
Qa=C*V;
Total amount of pollutant computing unit 4, for the amount of pollutants Qa in each unit interval that adds up, it is calculated The total amount of pollutant Qc adsorbed by the filter screen;
Pollutant adsorption rate computing unit 5, the pollutant maximal absorptive capacity for obtaining the filter screen permission is Qt, is calculated The pollutant adsorption rate P of the filter screen, calculation formula are as follows:
P=Qc/Qt*100 (%);
Reminding unit 6, for the pollutant adsorption rate P to be reminded into user.
As one embodiment of the invention, the air purifier screen replacing alarm set also includes:
Corresponding table generation unit 7, for establishing the pollutant concentration C and the rotation speed of fan of the air purifier pair Answer table.
Fig. 4 shows the modular structure for the air purifier screen replacing alarm set that second embodiment of the invention provides, For convenience of description, it illustrate only the part related to the embodiment of the present invention.
As one embodiment of the invention, the air purifier screen replacing alarm set also includes:
Filter screen depletion rate computing unit 9, for calculating the current filter screen depletion rate S preset in the time;
Residue can accommodate total amount of pollutant computing unit 10, for calculating the remaining open ended total amount of pollutant Q ' of filter screen, Calculation formula is as follows:
Q '=Qt-Qc;
Remaining up time computing unit 11, for calculating the remaining up time T of filter screen, calculation formula is as follows:
T=Q '/S;
Reminding unit 6, for the remaining up time T of the filter screen to be reminded into user.
As one embodiment of the invention, the filter screen depletion rate computing unit 9 specifically includes:
Filter screen depletion rate computing module 91, for being preset currently in the time, collect m groups and inhaled by the filter screen Attached amount of pollutants, by calculating the average value of the amount of pollutants, draw the filter screen depletion rate S, calculation formula It is as follows:
S=(Qm+Qm-1+Qm-2+ ...+Q1)/m.
The indicator lamp of different colours is set on air purifier, and a variety of colors of indicator lamp correspondingly can be by the dirt of filter screen absorption Thing concentration C is contaminated, establishes pollutant concentration C and indicator lamp display color corresponding table.
As one embodiment of the invention, the air purifier screen replacing alarm set also includes:
Indicator lamp control unit 8, for according to the pollutant concentration C, searching pollutant concentration C and showing face with indicator lamp The corresponding table of color, control indicator lamp show corresponding color.
For example the pollutant concentration C that can be adsorbed by filter screen is high, illustrates that air quality is poor, indicator lamp shows purple, and can quilt The pollutant concentration C of filter screen absorption is low, illustrates that air quality is good, indicator lamp display blueness, it is of course possible to set multiple colors etc. Level, show that different colours remind the current air quality of user by indicator lamp.
Inventive embodiments also provide a kind of air purifier, and the air purifier includes air purifier as described above Screen replacing alarm set.
In embodiments of the present invention, air purifier screen replacing based reminding method considers the different factor of air quality, inspection The pollutant concentration that can be currently adsorbed by filter screen is surveyed, calculates the amount of pollutants of filter screen absorption, and to each unit interval Interior amount of pollutants is added up, and the total amount of pollutant adsorbed by filter screen is calculated, and the pollutant maximum allowed with filter screen is inhaled Attached amount is divided by, and obtains the pollutant adsorption rate of filter screen, according to the pollutant adsorption rate, reminds user to prepare more to renew filter in advance Net.
In addition, can also further calculate filter screen depletion rate, the filter screen residue up time is obtained, can also be reminded in advance User prepares more to renew filter screen.
One of ordinary skill in the art will appreciate that:The step of realizing above method embodiment or part steps can pass through Programmed instruction related hardware is completed, and foregoing program can be stored in computer read/write memory medium, and the program exists During execution, execution the step of including above method embodiment, and foregoing storage medium includes:ROM, RAM, magnetic disc or CD Etc. it is various can be with the medium of store program codes.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (7)

  1. A kind of 1. air purifier screen replacing based reminding method, it is characterised in that the air purifier screen replacing prompting side Method comprises the following steps:
    In unit interval, detection currently can be by the pollutant concentration C of filter screen absorption;
    The blower fan of control air purifier is run with rotating speed corresponding with presently described pollutant concentration C, detects air purifier Discharge quantity of fan be V;
    In unit of account time interval, the amount of pollutants Qa that is adsorbed by the filter screen, calculation formula is as follows:
    Qa=C*V;
    The amount of pollutants Qa to add up in each unit interval, is calculated the total amount of pollutant adsorbed by the filter screen Qc;
    The pollutant maximal absorptive capacity that obtaining the filter screen allows is Qt, calculates the pollutant adsorption rate P of the filter screen, is calculated public Formula is as follows:
    P=Qc/Qt*100 (%);
    The pollutant adsorption rate P is reminded into user;
    Calculate the current filter screen depletion rate S preset in the time;
    The remaining open ended total amount of pollutant Q ' of filter screen is calculated, calculation formula is as follows:
    Q '=Qt-Qc;
    The remaining up time T of filter screen is calculated, calculation formula is as follows:
    T=Q '/S;
    The remaining up time T of the filter screen is reminded into user.
  2. 2. air purifier screen replacing based reminding method as claimed in claim 1, it is characterised in that described between the unit interval Every interior, the step of the pollutant concentration C that measurement can currently be adsorbed by filter screen before also included:
    Establish the pollutant concentration C and the rotation speed of fan of the air purifier corresponding table.
  3. 3. air purifier screen replacing based reminding method as claimed in claim 1, it is characterised in that the calculating is current advance The step of filter screen depletion rate S in setting time, specifically includes:
    Preset currently in the time, the amount of pollutants that m groups are adsorbed by the filter screen is collected, by calculating the pollution The average value of thing quantity, draws the filter screen depletion rate S, and calculation formula is as follows:
    S=(Qm+Qm-1+Qm-2+ ...+Q1)/m.
  4. 4. a kind of air purifier screen replacing alarm set, it is characterised in that the air purifier screen replacing reminds dress Put including:
    Pollutant concentration detection unit, for the pollutant concentration that in unit interval, detection can currently be adsorbed by filter screen C;
    Discharge quantity of fan control unit, turned for controlling the blower fan of air purifier with corresponding with presently described pollutant concentration C Speed operation, the discharge quantity of fan for detecting air purifier is V;
    Amount of pollutants computing unit, for the amount of pollutants Qa in unit of account time interval, adsorbed by the filter screen, meter It is as follows to calculate formula:
    Qa=C*V;
    Total amount of pollutant computing unit, for the amount of pollutants Qa in each unit interval that adds up, it is calculated by institute State the total amount of pollutant Qc of filter screen absorption;
    Pollutant adsorption rate computing unit, the pollutant maximal absorptive capacity allowed for obtaining the filter screen are Qt, described in calculating The pollutant adsorption rate P of filter screen, calculation formula are as follows:
    P=Qc/Qt*100 (%);
    Filter screen depletion rate computing unit, for calculating the current filter screen depletion rate S preset in the time;
    Residue can accommodate total amount of pollutant computing unit, for calculating the remaining open ended total amount of pollutant Q ' of filter screen, calculate public Formula is as follows:
    Q '=Qt-Qc;
    Remaining up time computing unit, for calculating the remaining up time T of filter screen, calculation formula is as follows:
    T=Q '/S;Reminding unit, for the pollutant adsorption rate P and the filter screen remaining up time T to be reminded User.
  5. 5. air purifier screen replacing alarm set as claimed in claim 4, it is characterised in that the air purifier filter Net, which changes alarm set, also to be included:
    Corresponding table generation unit, for establishing the pollutant concentration C and the rotation speed of fan of the air purifier corresponding table.
  6. 6. air purifier screen replacing alarm set as claimed in claim 4, it is characterised in that the filter screen depletion rate Computing unit specifically includes:
    Filter screen depletion rate computing module, for being preset currently in the time, collect the dirt that m groups are adsorbed by the filter screen Thing quantity is contaminated, by calculating the average value of the amount of pollutants, draws the filter screen depletion rate S, calculation formula is as follows:
    S=(Qm+Qm-1+Qm-2+ ...+Q1)/m.
  7. 7. a kind of air purifier, it is characterised in that the air purifier includes the sky as described in claim any one of 4-6 Gas purifier screen replacing alarm set.
CN201510226714.9A 2015-05-06 2015-05-06 A kind of air purifier and its screen replacing based reminding method and device Active CN104819545B (en)

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