WO2019041849A1 - Procédé et appareil de détermination de durée de vie de maille filtrante, purificateur et support d'enregistrement - Google Patents

Procédé et appareil de détermination de durée de vie de maille filtrante, purificateur et support d'enregistrement Download PDF

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Publication number
WO2019041849A1
WO2019041849A1 PCT/CN2018/084770 CN2018084770W WO2019041849A1 WO 2019041849 A1 WO2019041849 A1 WO 2019041849A1 CN 2018084770 W CN2018084770 W CN 2018084770W WO 2019041849 A1 WO2019041849 A1 WO 2019041849A1
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Prior art keywords
filter
service life
determining
purifier
screen
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PCT/CN2018/084770
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English (en)
Chinese (zh)
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邹丁山
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广东美的环境电器制造有限公司
美的集团股份有限公司
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Publication of WO2019041849A1 publication Critical patent/WO2019041849A1/fr

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
    • G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials

Definitions

  • the present application relates to the field of purifiers, and in particular, to a method and device for determining the service life of a filter, a purifier, and a storage medium.
  • the filter screen is an important component of the purifier, and the performance of the filter directly affects the purifying effect of the purifier.
  • its service life is an indicator that users are more concerned about.
  • the service life of the filter is obtained according to the traditional life calculation method, such as: countdown method, acceleration deceleration method and the like. Take the countdown method as an example. After inserting the filter into the purifier, manually operate the timer to clear the time. Then, the timer counts down from a fixed time. When the timer is zero, the user is reminded to replace the filter.
  • the service life calculated by this single life calculation method is basically the same, even replacing a filter that has been scrapped will calculate the same service life. Visible, existing life. The calculation method does not effectively reflect the true life of the filter.
  • the embodiment of the present application provides a method and device for determining the service life of a filter, a purifier, and a storage medium.
  • the service life of the filter screen is determined.
  • the service life of the filter screen determined based on the dust gambling degree of the filter screen is taken as the first service life of the filter screen
  • the method further includes:
  • the service life of the filter screen determined based on the dust gambling degree of the filter screen is taken as the first service life of the filter screen
  • the method further includes:
  • the service life of the filter screen determined based on the dust gambling degree of the filter screen is taken as the first service life of the filter screen
  • the method further includes:
  • the service life of the filter screen determined based on the dust gambling degree of the filter screen is taken as the first service life of the filter screen
  • the purifying percentage parameter of the filter in the purifier is calculated, and the second service life of the filter is determined based on the purifying percentage parameter of the filter, including:
  • a second service life of the screen is determined based on a purification percentage parameter of the screen.
  • the obtaining the total purification amount of the filter in the purifier, and calculating the cumulative purification amount of the filter includes:
  • the cumulative purge amount of the screen is calculated based on a dust concentration value of an environment in which the purifier is located, an applicable area parameter of the purifier, and an operation time of the screen.
  • the calculating a running time percentage parameter of the filter in the purifier, and determining a third service life of the filter based on the running time percentage parameter of the filter includes:
  • a third service life of the filter is determined based on a run time percentage parameter of the filter.
  • the total purification amount of the filter in the purifier is obtained, and the total service life of the filter is calculated based on the total purification amount of the filter, including:
  • T is the total service life of the filter
  • CG is the dust concentration value of the standard environment
  • S is the applicable area parameter of the purifier.
  • determining an equivalent running time of the filter network based on a total service life of the filter screen, a dust concentration value of an environment in which the purifier is located, and an actual running time of the filter screen include:
  • t eq is the equivalent running time of the filter
  • CN is the dust concentration value of the environment in which the purifier is located
  • CG is the dust concentration value of the standard environment
  • t is the actual running time of the filter.
  • the purifying efficiency of the filter in the purifier is calculated, and the fourth service life of the filter is determined based on the purifying efficiency of the filter, including:
  • a fourth service life of the screen is determined.
  • the method further includes:
  • a first prompt message for indicating the service life of the filter screen is output.
  • the method further includes:
  • the second prompt information for indicating the replacement of the filter is output.
  • a detecting module configured to detect an operating power of the fan in the purifier and determine a running power attenuation percentage parameter of the fan
  • a first determining module configured to determine a dust gambling degree of the filter in the purifier based on a running power attenuation percentage parameter of the fan;
  • the second determining module is configured to determine the service life of the filter based on the dust gambling degree of the filter.
  • the second determining module is further configured to use a service life of the filter determined based on the dust gambling degree of the filter as the first service life of the filter;
  • the device also includes:
  • a first calculation module configured to calculate a purification percentage parameter of the filter in the purifier, and determine a second service life of the filter based on a purification percentage parameter of the filter
  • a third determining module configured to determine a first weight value corresponding to the first service life, and a second weight value corresponding to the second service life;
  • the first weighting module is configured to perform weighted summation of the first service life and the second service life based on the first weight value and the second weight value to obtain a service life of the filter.
  • the second determining module is further configured to use a service life of the filter determined based on the dust gambling degree of the filter as the first service life of the filter;
  • the device also includes:
  • a second calculating module configured to calculate a running time percentage parameter of the filter in the purifier, and determine a third service life of the filter based on a running time percentage parameter of the filter;
  • a fourth determining module configured to determine a first weight value corresponding to the first service life, and a third weight value corresponding to the third service life;
  • the second weighting module is configured to perform weighted summation of the first service life and the third service life based on the first weight value and the third weight value to obtain a service life of the filter.
  • the second determining module is further configured to use a service life of the filter determined based on the dust gambling degree of the filter as the first service life of the filter;
  • the device also includes:
  • a third calculation module configured to calculate a purification efficiency of the filter in the purifier, and determine a fourth service life of the filter based on a purification efficiency of the filter;
  • a fifth determining module configured to determine a first weight value corresponding to the first service life, and a fourth weight value corresponding to the fourth service life;
  • the third weighting module is configured to perform weighted summation of the first service life and the fourth service life based on the first weight value and the fourth weight value to obtain a service life of the filter.
  • the second determining module is further configured to use a service life of the filter determined based on the dust gambling degree of the filter as the first service life of the filter;
  • the device also includes:
  • a second calculating module configured to calculate a running time percentage parameter of the filter in the purifier, and determine a third service life of the filter based on a running time percentage parameter of the filter;
  • a third calculation module configured to calculate a purification efficiency of the filter in the purifier, and determine a fourth service life of the filter based on a purification efficiency of the filter;
  • a sixth determining module configured to determine a first weight value corresponding to the first service life, determine a third weight value corresponding to the third service life, and a fourth weight value corresponding to the fourth service life;
  • a fourth weighting module configured to calculate the first service life, the third service life, and the fourth service life based on the first weight value, the third weight value, and the fourth weight value Weighted summation is performed to obtain the service life of the filter.
  • the first calculation module is configured to acquire a total purification amount of the filter in the purifier, and calculate a cumulative purification amount of the filter; based on the total purification amount of the filter and the filtering
  • the cumulative purification amount of the net is determined by the purification percentage parameter of the filter; and the second service life of the filter is determined based on the purification percentage parameter of the filter.
  • the first calculation module is configured to acquire a CCM of a filter in the purifier, and use the CCM as a total purification amount of the filter; and dust based on an environment in which the purifier is located
  • the cumulative value of the filter is calculated by the concentration value, the applicable area parameter of the purifier, and the running time of the screen.
  • the second calculating module is configured to obtain a total purification amount of the filter in the purifier, and calculate a total service life of the filter based on the total purification amount of the filter; The total service life of the net, the dust concentration value of the environment in which the purifier is located, and the actual running time of the screen, determining the equivalent running time of the screen; based on the equivalent running time of the screen and the The total service life of the filter is determined, and the running time percentage parameter of the filter is determined; and the third service life of the filter is determined based on the running time percentage parameter of the filter.
  • the second calculating module is configured to acquire a CCM of a filter in the purifier, and use the CCM as a total purification amount of the filter;
  • T is the total service life of the filter
  • CG is the dust concentration value of the standard environment
  • S is the applicable area parameter of the purifier.
  • t eq is the equivalent running time of the filter
  • CN is the dust concentration value of the environment in which the purifier is located
  • CG is the dust concentration value of the standard environment
  • t is the actual running time of the filter.
  • the device further includes:
  • a first dust sensor configured to detect a first dust concentration value at the air outlet
  • a second dust sensor configured to detect a second dust concentration value at the air inlet
  • the third calculation module is configured to determine a purification efficiency of the filter in the purifier based on the first dust concentration value and the second dust concentration value; and determine, based on a purification efficiency of the filter The fourth service life of the screen.
  • the device further includes:
  • the first output module is configured to output first prompt information for indicating the service life of the filter.
  • the device further includes:
  • the second output module is configured to output, when the service life of the filter is less than or equal to a first preset threshold, output second prompt information for indicating replacement of the filter.
  • the purifier provided in the embodiment of the present application is provided with a filter screen, wherein the purifier comprises the above-mentioned determining device for the service life of the filter screen.
  • the storage medium provided by the embodiment of the present application stores computer executable instructions, and the computer executable instructions are implemented by the processor to implement the foregoing method for determining the service life of the filter.
  • the degree of dust gambling; based on the dust gambling degree of the filter, the service life of the filter is determined.
  • the technical solution of the embodiment of the present application is used to determine the dust gambling degree of the filter through the operating power attenuation percentage parameter of the fan, and then determine the service life of the filter through the dust gambling degree of the filter. The service life is determined more in line with the true life of the filter.
  • FIG. 1 is a schematic flow chart 1 of a method for determining a service life of a filter according to an embodiment of the present application
  • FIG. 2 is a schematic flow chart 2 of a method for determining a service life of a filter according to an embodiment of the present application
  • FIG. 3 is a schematic flowchart 3 of a method for determining a service life of a filter according to an embodiment of the present application
  • FIG. 4 is a schematic flow chart 4 of a method for determining a service life of a filter according to an embodiment of the present application
  • FIG. 5 is a schematic flowchart 5 of a method for determining a service life of a filter according to an embodiment of the present application
  • FIG. 6 is a schematic flowchart of a method for determining a first service life according to an embodiment of the present application
  • FIG. 7 is a schematic flowchart diagram of a method for determining a second service life according to an embodiment of the present application.
  • FIG. 8 is a schematic flowchart diagram of a method for determining a third service life according to an embodiment of the present application.
  • FIG. 9 is a schematic flowchart diagram of a method for determining a fourth service life according to an embodiment of the present application.
  • FIG. 10 is a schematic structural diagram 1 of a structure for determining a service life of a filter according to an embodiment of the present application
  • FIG. 11 is a second structural diagram of a device for determining the service life of a filter according to an embodiment of the present application.
  • FIG. 12 is a schematic structural diagram 3 of a structure for determining a service life of a filter according to an embodiment of the present application
  • FIG. 13 is a schematic structural diagram 4 of a device for determining a service life of a filter according to an embodiment of the present application.
  • FIG. 14 is a schematic structural diagram 5 of the apparatus for determining the service life of the filter according to the embodiment of the present application.
  • FIG. 1 is a schematic flowchart 1 of a method for determining a service life of a filter according to an embodiment of the present invention. As shown in FIG. 1 , the method for determining the service life of the filter includes the following steps:
  • Step 101 Detect an operating power of a fan in the purifier, and determine a running power attenuation percentage parameter of the fan.
  • the components of the purifier mainly include: a front cover, a filter screen, a fan, and a back cover, wherein the front cover is provided with an air inlet, and the rear cover is provided with an air outlet.
  • the wind generated by the action of the fan flows through the filter through the air inlet to the air outlet, so that the wind flowing out of the air outlet is the wind purified by the filter.
  • the purifier can also have more components to achieve more abundant functions.
  • a high-performance material and activated carbon material for adsorbing fine particles and odorous polymers are disposed between the filter and the fan, and can also be set useful.
  • the TiO 2 layer which is used for smoldering smoke and the ultraviolet lamp for odor sterilization, and the like.
  • the type of the filter screen of the purifier is not limited, and the filter screen may be a particulate filter or an organic filter.
  • the particulate filter is divided into a coarse filter and a fine particle filter;
  • the organic filter is divided into a formaldehyde filter, a deodorizer filter, an activated carbon filter, a super-light mineralization filter, and the like.
  • Each type of filter is mainly targeted at different sources of pollution, and the principle of filtration is also different.
  • the operating power of the fan can be calculated.
  • the operating power attenuation percentage parameter of the fan (rated operating power of the fan - current operating power of the fan) / rated operating power of the fan ⁇ 100%, wherein the current operating power of the fan / rated operating power of the fan ⁇ 100 % is the operating power percentage parameter of the current fan.
  • the rated operating power of the fan refers to the operating power of the corresponding fan when a new filter is installed in the purifier. For example, when the new filter is used, the operating power of the fan is 1000w. When the filter is dirty due to dust covering, the power of the fan will be attenuated to 200W ⁇ 300W, that is, the operating power attenuation percentage parameter of the fan is 70%-80. %.
  • Step 102 Determine a dust gambling degree of the filter in the purifier based on a running power attenuation percentage parameter of the fan.
  • the dust gambling degree of the filter screen can be determined, and the basis is: the same filter screen is used during the process, the dust ash gambling degree of the filter screen is larger.
  • the running power attenuation percentage parameter will be larger.
  • the filter with certain specifications is tested, and the correspondence between the operating power attenuation percentage parameter and the dust gambling degree is recorded and recorded in the database.
  • the dust gambling degree corresponding to the dust can be determined in the database.
  • the degree of dust gambling can be directly characterized by the amount of dust accumulated on the screen.
  • Step 103 Determine the service life of the filter based on the dust gambling degree of the filter.
  • the greater the dust gambling degree of the filter screen the smaller the service life of the filter net is.
  • x (the dust accumulation amount of the sieve / the total dust accumulation amount of the filter) ⁇ 100%. Since the dust accumulation of the filter is less than or equal to the total dust accumulation of the filter, the value of x ranges from 0 to 1.
  • the range of the dust gambling degree (ie, 0 to 1) is divided into N numerical ranges, N is an integer and N ⁇ 2, wherein each of the numerical ranges corresponds to one service life; Determining, in the N numerical ranges, a numerical range to which the calculated dust gambling degree belongs, as a target numerical range; determining a service life corresponding to the target numerical range as the service life of the filter.
  • the technical solution of the embodiment of the present application determines the service life of the filter through the operating power attenuation percentage parameter of the fan, and the determination method of the service life of the filter is more in line with the real service life of the filter.
  • the technical solution of the embodiment of the present application further includes the following steps:
  • Step 104 Output first prompt information for indicating the service life of the filter.
  • the progress bar determines, according to the service life of the filter, the number of indication units to be displayed in the progress bar on the purifier, wherein the progress bar includes N indication units capable of display;
  • the progress bar is displayed according to the determined number of indicating units to prompt the service life of the filter.
  • the progress bar includes five indicating units that can be displayed, and the five indicating units are arranged in a row or a column to form a progress bar.
  • the greater the service life of the filter the greater the number of indicator units to be displayed.
  • the smaller the service life of the filter the fewer the number of indicator units to be displayed.
  • the progress bar shows that the service life of one indicator unit is 3 months.
  • the progress bar shows that the service life of the two indicator units is half a year.
  • the progress bar shows that the service life of the three indicator units is one and a half years.
  • the progress bar shows 4
  • the service life of the indicator unit is 2 years
  • the progress bar shows that the service life of the five indicator units is 3 years.
  • the progress bar displays 5 indicator units.
  • the life of the filter can also be a continuous value, in which case the life of the filter can be prompted directly by text.
  • Step 105 When the service life of the filter is less than or equal to a first preset threshold, output second prompt information for indicating replacement of the filter.
  • the first preset threshold is assumed to be 2 years, and the service life of the filter is continuously reduced as time passes.
  • the second prompt information is used to prompt the user. Replace the filter.
  • the prompt information of the filter rejection may also be output.
  • the above steps 101 to 105 of the embodiment of the present application are continued. It can be seen that the technical solution of the embodiment of the present application can automatically identify the service life of the filter network, when the user replaces a new one. When the filter or a filter that is not scrapped is replaced, the prompt information indicating that the filter is replaced or the information of the filter scrapped is automatically canceled, which greatly improves the user experience.
  • FIG. 2 is a schematic flowchart 2 of a method for determining the service life of a filter according to an embodiment of the present invention. As shown in FIG. 2, the method for determining the service life of the filter includes the following steps:
  • Step 201 Calculate a running power attenuation percentage parameter of the fan in the purifier, and determine a dust gambling degree of the filter based on a running power attenuation percentage parameter of the fan; and based on the dust gambling degree of the filter Determining the first useful life of the screen.
  • the components of the purifier mainly include: a front cover, a filter screen, a fan, and a back cover, wherein the front cover is provided with an air inlet, and the rear cover is provided with an air outlet.
  • the wind generated by the action of the fan flows through the filter through the air inlet to the air outlet, so that the wind flowing out of the air outlet is the wind purified by the filter.
  • the purifier can also have more components to achieve more abundant functions.
  • a high-performance material and activated carbon material for adsorbing fine particles and odorous polymers are disposed between the filter and the fan, and can also be set useful.
  • the TiO 2 layer which is used for smoldering smoke and the ultraviolet lamp for odor sterilization, and the like.
  • the type of the filter screen of the purifier is not limited, and the filter screen may be a particulate filter or an organic filter.
  • the particulate filter is divided into a coarse filter and a fine particle filter;
  • the organic filter is divided into a formaldehyde filter, a deodorizer filter, an activated carbon filter, a super-light mineralization filter, and the like.
  • Each type of filter is mainly targeted at different sources of pollution, and the principle of filtration is also different.
  • the first service life of the filter is calculated by: detecting the operating power of the fan in the purifier, and determining the running power attenuation percentage parameter of the fan; and based on the operating power attenuation of the fan
  • the percentage parameter determines the dust gambling degree of the filter in the purifier; and determines the service life of the filter based on the dust gambling degree of the filter.
  • the operating power of the fan can be calculated.
  • the operating power attenuation percentage parameter of the fan (rated operating power of the fan - current operating power of the fan) / rated operating power of the fan ⁇ 100%, wherein the current operating power of the fan / rated operating power of the fan ⁇ 100 % is the operating power percentage parameter of the current fan.
  • the rated operating power of the fan refers to the operating power of the corresponding fan when a new filter is installed in the purifier. For example, when the new filter is used, the operating power of the fan is 1000w. When the filter is dirty due to dust covering, the power of the fan will be attenuated to 200W ⁇ 300W, that is, the operating power attenuation percentage parameter of the fan is 70%-80. %.
  • the dust gambling degree of the filter screen can be determined, and the basis is: the same filter screen is used during the process, the dust ash gambling degree of the filter screen is larger, and the running power is attenuated.
  • the percentage parameter will be larger.
  • the filter with certain specifications is tested, and the correspondence between the operating power attenuation percentage parameter and the dust gambling degree is recorded and recorded in the database.
  • the dust gambling degree corresponding to the dust can be determined in the database.
  • the degree of dust gambling can be directly characterized by the amount of dust accumulated on the screen.
  • the greater the dust gambling degree of the filter screen the smaller the service life of the filter net is.
  • Step 202 Calculate a purification percentage parameter of the filter in the purifier, and determine a second service life of the filter based on the purification percentage parameter of the filter.
  • the second service life of the filter screen is specifically calculated by the following process: taking the total purification amount of the filter screen in the purifier, and calculating the cumulative purification amount of the filter net; based on the total purification of the filter net And a cumulative purification amount of the screen, determining a purification percentage parameter of the sieve; determining a second service life of the filter based on a purification percentage parameter of the filter.
  • the CCM of the filter in the purifier is obtained, and the CCM is used as the total purification amount of the filter; the dust concentration value based on the environment in which the purifier is located, the applicable area parameter of the purifier, and the The running time of the filter is calculated, and the cumulative purification amount of the filter is calculated.
  • Step 203 Determine a first weight value corresponding to the first service life, and a second weight value corresponding to the second service life.
  • the first weight value corresponding to the first service life and the second weight value corresponding to the second service life may be based on the temperature, humidity, light intensity, dust concentration value, and purifier components of the environment in which the purifier is located. The working status is determined.
  • Step 204 Perform weighted summation on the first service life and the second service life based on the first weight value and the second weight value to obtain a service life of the filter.
  • the filter percentage parameter of the filter is related to the dust concentration value of the environment and the running time of the filter screen. Therefore, the life of the filter is determined in a manner that is more in line with the true life of the filter.
  • Step 205 Output first prompt information for indicating the service life of the filter.
  • the first prompt information for indicating the service life of the filter screen may be output by, but not limited to, the following manner:
  • Manner 1 The first prompt information indicating the service life of the filter screen is output through the progress bar.
  • the progress bar determines, according to the service life of the filter, the number of indication units to be displayed in the progress bar on the purifier, wherein the progress bar includes N indication units capable of display;
  • the progress bar is displayed according to the determined number of indicating units to prompt the service life of the filter.
  • the progress bar includes five indicating units that can be displayed, and the five indicating units are arranged in a row or a column to form a progress bar.
  • the greater the service life of the filter the greater the number of indicator units to be displayed.
  • the smaller the service life of the filter the fewer the number of indicator units to be displayed.
  • the progress bar shows that the service life of one indicator unit is 3 months.
  • the progress bar shows that the service life of the two indicator units is half a year.
  • the progress bar shows that the service life of the three indicator units is one and a half years.
  • the progress bar shows 4
  • the service life of the indicator unit is 2 years
  • the progress bar shows that the service life of the five indicator units is 3 years. Assuming that the filter has a service life of 3 years, the progress bar displays 5 indicator units.
  • Manner 2 The first prompt information for indicating the service life of the filter screen is output through the text on the display screen.
  • the service life of the filter can be a continuous value, in which case the life of the filter can be prompted directly by text.
  • Step 206 When the service life of the filter is less than or equal to a first preset threshold, output second prompt information for indicating replacement of the filter.
  • the first preset threshold is assumed to be 2 years, and the service life of the filter is continuously reduced as time passes.
  • the second prompt information is used to prompt the user. Replace the filter.
  • the prompt information of the filter rejection may also be output.
  • the technical solution of the embodiment of the present application can automatically identify the service life of the filter network, when the user replaces a new one.
  • the prompt information indicating that the filter is replaced or the information of the filter scrapped is automatically canceled, which greatly improves the user experience.
  • FIG. 3 is a schematic flowchart 3 of a method for determining a service life of a filter according to an embodiment of the present invention. As shown in FIG. 3, the method for determining the service life of the filter includes the following steps:
  • Step 301 Calculate a running power attenuation percentage parameter of the fan in the purifier, and determine a dust gambling degree of the filter based on a running power attenuation percentage parameter of the fan; and based on the dust gambling degree of the filter Determining the first useful life of the screen.
  • the components of the purifier mainly include: a front cover, a filter screen, a fan, and a back cover, wherein the front cover is provided with an air inlet, and the rear cover is provided with an air outlet.
  • the wind generated by the action of the fan flows through the filter through the air inlet to the air outlet, so that the wind flowing out of the air outlet is the wind purified by the filter.
  • the purifier can also have more components to achieve more abundant functions.
  • a high-performance material and activated carbon material for adsorbing fine particles and odorous polymers are disposed between the filter and the fan, and can also be set useful.
  • the TiO 2 layer which is used for smoldering smoke and the ultraviolet lamp for odor sterilization, and the like.
  • the type of the filter screen of the purifier is not limited, and the filter screen may be a particulate filter or an organic filter.
  • the particulate filter is divided into a coarse filter and a fine particle filter;
  • the organic filter is divided into a formaldehyde filter, a deodorizer filter, an activated carbon filter, a super-light mineralization filter, and the like.
  • Each type of filter is mainly targeted at different sources of pollution, and the principle of filtration is also different.
  • the first service life of the filter is calculated by: detecting the operating power of the fan in the purifier, and determining the running power attenuation percentage parameter of the fan; and based on the operating power attenuation of the fan
  • the percentage parameter determines the dust gambling degree of the filter in the purifier; and determines the service life of the filter based on the dust gambling degree of the filter.
  • the operating power of the fan can be calculated.
  • the operating power attenuation percentage parameter of the fan (rated operating power of the fan - current operating power of the fan) / rated operating power of the fan ⁇ 100%, wherein the current operating power of the fan / rated operating power of the fan ⁇ 100 % is the operating power percentage parameter of the current fan.
  • the rated operating power of the fan refers to the operating power of the corresponding fan when a new filter is installed in the purifier. For example, when the new filter is used, the operating power of the fan is 1000w. When the filter is dirty due to dust covering, the power of the fan will be attenuated to 200W ⁇ 300W, that is, the operating power attenuation percentage parameter of the fan is 70%-80. %.
  • the dust gambling degree of the filter screen can be determined, and the basis is: the same filter screen is used during the process, the dust ash gambling degree of the filter screen is larger, and the running power is attenuated.
  • the percentage parameter will be larger.
  • the filter with certain specifications is tested, and the correspondence between the operating power attenuation percentage parameter and the dust gambling degree is recorded and recorded in the database.
  • the dust gambling degree corresponding to the dust can be determined in the database.
  • the degree of dust gambling can be directly characterized by the amount of dust accumulated on the screen.
  • the greater the dust gambling degree of the filter screen the smaller the service life of the filter net is.
  • Step 302 Calculate a running time percentage parameter of the filter in the purifier, and determine a third service life of the filter based on a running time percentage parameter of the filter.
  • the third service life of the filter is calculated by the following process: obtaining the total purification amount of the filter in the purifier, and calculating the total service life of the filter based on the total purification amount of the filter. Determining an equivalent operating time of the screen based on a total service life of the screen, a dust concentration value of an environment in which the purifier is located, and an actual running time of the screen; based on the screen, etc. The operating time of the filter and the total service life of the filter are determined, and the running time percentage parameter of the filter is determined; and the third service life of the filter is determined based on the running time percentage parameter of the filter.
  • T is the total service life of the filter
  • CG is the dust concentration value of the standard environment
  • S is the applicable area parameter of the purifier.
  • Effective running time CN is the dust concentration value of the environment in which the purifier is located, CG is the dust concentration value of the standard environment, and t is the actual running time of the filter.
  • Step 303 Determine a first weight value corresponding to the first service life, and a third weight value corresponding to the third service life.
  • the first weight value corresponding to the first service life and the third weight value corresponding to the third service life may be based on the temperature, humidity, light intensity, dust concentration value, and purifier components of the environment in which the purifier is located. The working status is determined.
  • Step 304 Perform weighted summation on the first service life and the third service life based on the first weight value and the third weight value to obtain a service life of the filter.
  • the service life of the filter is determined more in line with the real life of the filter.
  • Step 305 Output first prompt information for indicating the service life of the filter.
  • the first prompt information for indicating the service life of the filter screen may be output by, but not limited to, the following manner:
  • Manner 1 The first prompt information indicating the service life of the filter screen is output through the progress bar.
  • the progress bar determines, according to the service life of the filter, the number of indication units to be displayed in the progress bar on the purifier, wherein the progress bar includes N indication units capable of display;
  • the progress bar is displayed according to the determined number of indicating units to prompt the service life of the filter.
  • the progress bar includes five indicating units that can be displayed, and the five indicating units are arranged in a row or a column to form a progress bar.
  • the greater the service life of the filter the greater the number of indicator units to be displayed.
  • the smaller the service life of the filter the fewer the number of indicator units to be displayed.
  • the progress bar shows that the service life of one indicator unit is 3 months.
  • the progress bar shows that the service life of the two indicator units is half a year.
  • the progress bar shows that the service life of the three indicator units is one and a half years.
  • the progress bar shows 4
  • the service life of the indicator unit is 2 years
  • the progress bar shows that the service life of the five indicator units is 3 years. Assuming that the filter has a service life of 3 years, the progress bar displays 5 indicator units.
  • Manner 2 The first prompt information for indicating the service life of the filter screen is output through the text on the display screen.
  • the service life of the filter can be a continuous value, in which case the life of the filter can be prompted directly by text.
  • Step 306 When the service life of the filter is less than or equal to the first preset threshold, output second prompt information for indicating replacement of the filter.
  • the first preset threshold is assumed to be 2 years, and the service life of the filter is continuously reduced as time passes.
  • the second prompt information is used to prompt the user. Replace the filter.
  • the prompt information of the filter rejection may also be output.
  • the technical solution of the embodiment of the present application can automatically identify the service life of the filter network, when the user replaces a new one.
  • the prompt information indicating that the filter is replaced or the information of the filter scrapped is automatically canceled, which greatly improves the user experience.
  • FIG. 4 is a schematic flow chart 4 of a method for determining the service life of a filter according to an embodiment of the present invention. As shown in FIG. 4, the method for determining the service life of the filter includes the following steps:
  • Step 401 Calculate a running power attenuation percentage parameter of the fan in the purifier, and determine a dust gambling degree of the filter based on a running power attenuation percentage parameter of the fan; and based on the dust gambling degree of the filter Determining the first useful life of the screen.
  • the components of the purifier mainly include: a front cover, a filter screen, a fan, and a back cover, wherein the front cover is provided with an air inlet, and the rear cover is provided with an air outlet.
  • the wind generated by the action of the fan flows through the filter through the air inlet to the air outlet, so that the wind flowing out of the air outlet is the wind purified by the filter.
  • the purifier can also have more components to achieve more abundant functions.
  • a high-performance material and activated carbon material for adsorbing fine particles and odorous polymers are disposed between the filter and the fan, and can also be set useful.
  • the TiO 2 layer which is used for smoldering smoke and the ultraviolet lamp for odor sterilization, and the like.
  • the type of the filter screen of the purifier is not limited, and the filter screen may be a particulate filter or an organic filter.
  • the particulate filter is divided into a coarse filter and a fine particle filter;
  • the organic filter is divided into a formaldehyde filter, a deodorizer filter, an activated carbon filter, a super-light mineralization filter, and the like.
  • Each type of filter is mainly targeted at different sources of pollution, and the principle of filtration is also different.
  • the first service life of the filter is calculated by: detecting the operating power of the fan in the purifier, and determining the running power attenuation percentage parameter of the fan; and based on the operating power attenuation of the fan
  • the percentage parameter determines the dust gambling degree of the filter in the purifier; and determines the service life of the filter based on the dust gambling degree of the filter.
  • the operating power of the fan can be calculated.
  • the operating power attenuation percentage parameter of the fan (rated operating power of the fan - current operating power of the fan) / rated operating power of the fan ⁇ 100%, wherein the current operating power of the fan / rated operating power of the fan ⁇ 100 % is the operating power percentage parameter of the current fan.
  • the rated operating power of the fan refers to the operating power of the corresponding fan when a new filter is installed in the purifier. For example, when the new filter is used, the operating power of the fan is 1000w. When the filter is dirty due to dust covering, the power of the fan will be attenuated to 200W ⁇ 300W, that is, the operating power attenuation percentage parameter of the fan is 70%-80. %.
  • the dust gambling degree of the filter screen can be determined, and the basis is: the same filter screen is used during the process, the dust ash gambling degree of the filter screen is larger, and the running power is attenuated.
  • the percentage parameter will be larger.
  • the filter with certain specifications is tested, and the correspondence between the operating power attenuation percentage parameter and the dust gambling degree is recorded and recorded in the database.
  • the dust gambling degree corresponding to the dust can be determined in the database.
  • the degree of dust gambling can be directly characterized by the amount of dust accumulated on the screen.
  • the greater the dust gambling degree of the filter screen the smaller the service life of the filter net is.
  • Step 402 Calculate the purification efficiency of the filter in the purifier, and determine the fourth service life of the filter based on the purification efficiency of the filter.
  • the fourth service life of the filter is calculated by the following process: detecting, by using a first dust sensor disposed at the air outlet of the purifier, a first dust concentration value at the air outlet, and utilizing a second dust sensor disposed at the air inlet of the purifier detects a second dust concentration value at the air inlet; and determining, in the purifier, based on the first dust concentration value and the second dust concentration value The purification efficiency of the screen; based on the purification efficiency of the screen, the fourth service life of the screen is determined.
  • Step 403 Determine a first weight value corresponding to the first service life, and a fourth weight value corresponding to the fourth service life.
  • the first weight value corresponding to the first service life and the fourth weight value corresponding to the fourth service life may be based on the temperature, humidity, light intensity, dust concentration value, and purifier components of the environment in which the purifier is located. The working status is determined.
  • Step 404 Perform weighted summation on the first service life and the fourth service life based on the first weight value and the fourth weight value to obtain a service life of the filter.
  • the filter mesh is used. The way life is determined is more in line with the true life of the filter.
  • Step 405 Output first prompt information for indicating the service life of the filter.
  • the first prompt information for indicating the service life of the filter screen may be output by, but not limited to, the following manner:
  • Manner 1 The first prompt information indicating the service life of the filter screen is output through the progress bar.
  • the progress bar determines, according to the service life of the filter, the number of indication units to be displayed in the progress bar on the purifier, wherein the progress bar includes N indication units capable of display;
  • the progress bar is displayed according to the determined number of indicating units to prompt the service life of the filter.
  • the progress bar includes five indicating units that can be displayed, and the five indicating units are arranged in a row or a column to form a progress bar.
  • the greater the service life of the filter the greater the number of indicator units to be displayed.
  • the smaller the service life of the filter the fewer the number of indicator units to be displayed.
  • the progress bar shows that the service life of one indicator unit is 3 months.
  • the progress bar shows that the service life of the two indicator units is half a year.
  • the progress bar shows that the service life of the three indicator units is one and a half years.
  • the progress bar shows 4
  • the service life of the indicator unit is 2 years
  • the progress bar shows that the service life of the five indicator units is 3 years. Assuming that the filter has a service life of 3 years, the progress bar displays 5 indicator units.
  • Manner 2 The first prompt information for indicating the service life of the filter screen is output through the text on the display screen.
  • the service life of the filter can be a continuous value, in which case the life of the filter can be prompted directly by text.
  • Step 406 When the service life of the filter is less than or equal to the first preset threshold, output second prompt information for indicating replacement of the filter.
  • the first preset threshold is assumed to be 2 years, and the service life of the filter is continuously reduced as time passes.
  • the second prompt information is used to prompt the user. Replace the filter.
  • the prompt information of the filter rejection may also be output.
  • the above steps 401 to 406 of the embodiment of the present application are continued. It can be seen that the technical solution of the embodiment of the present application can automatically identify the service life of the filter network, when the user replaces a new one. When the filter or a filter that is not scrapped is replaced, the prompt information indicating that the filter is replaced or the information of the filter scrapped is automatically canceled, which greatly improves the user experience.
  • FIG. 5 is a schematic flowchart 5 of a method for determining the service life of a filter according to an embodiment of the present invention. As shown in FIG. 5, the method for determining the service life of the filter includes the following steps:
  • Step 501 Calculate a running power attenuation percentage parameter of the fan in the purifier, and determine a dust gambling degree of the filter based on a running power attenuation percentage parameter of the fan; and based on the dust gambling degree of the filter Determining the first useful life of the screen.
  • the components of the purifier mainly include: a front cover, a filter screen, a fan, and a back cover, wherein the front cover is provided with an air inlet, and the rear cover is provided with an air outlet.
  • the wind generated by the action of the fan flows through the filter through the air inlet to the air outlet, so that the wind flowing out of the air outlet is the wind purified by the filter.
  • the purifier can also have more components to achieve more abundant functions.
  • a high-performance material and activated carbon material for adsorbing fine particles and odorous polymers are disposed between the filter and the fan, and can also be set useful.
  • the TiO 2 layer which is used for smoldering smoke and the ultraviolet lamp for odor sterilization, and the like.
  • the type of the filter screen of the purifier is not limited, and the filter screen may be a particulate filter or an organic filter.
  • the particulate filter is divided into a coarse filter and a fine particle filter;
  • the organic filter is divided into a formaldehyde filter, a deodorizer filter, an activated carbon filter, a super-light mineralization filter, and the like.
  • Each type of filter is mainly targeted at different sources of pollution, and the principle of filtration is also different.
  • the first service life of the filter is calculated by: detecting the operating power of the fan in the purifier, and determining the running power attenuation percentage parameter of the fan; and based on the operating power attenuation of the fan
  • the percentage parameter determines the dust gambling degree of the filter in the purifier; and determines the service life of the filter based on the dust gambling degree of the filter.
  • the operating power of the fan can be calculated.
  • the operating power attenuation percentage parameter of the fan (rated operating power of the fan - current operating power of the fan) / rated operating power of the fan ⁇ 100%, wherein the current operating power of the fan / rated operating power of the fan ⁇ 100 % is the operating power percentage parameter of the current fan.
  • the rated operating power of the fan refers to the operating power of the corresponding fan when a new filter is installed in the purifier. For example, when the new filter is used, the operating power of the fan is 1000w. When the filter is dirty due to dust covering, the power of the fan will be attenuated to 200W ⁇ 300W, that is, the operating power attenuation percentage parameter of the fan is 70%-80. %.
  • the dust gambling degree of the filter screen can be determined, and the basis is: the same filter screen is used during the process, the dust ash gambling degree of the filter screen is larger, and the running power is attenuated.
  • the percentage parameter will be larger.
  • the filter with certain specifications is tested, and the correspondence between the operating power attenuation percentage parameter and the dust gambling degree is recorded and recorded in the database.
  • the dust gambling degree corresponding to the dust can be determined in the database.
  • the degree of dust gambling can be directly characterized by the amount of dust accumulated on the screen.
  • the greater the dust gambling degree of the filter screen the smaller the service life of the filter net is.
  • Step 502 Calculate a running time percentage parameter of the filter in the purifier, and determine a third service life of the filter based on a running time percentage parameter of the filter.
  • the third service life of the filter is calculated by the following process: obtaining the total purification amount of the filter in the purifier, and calculating the total service life of the filter based on the total purification amount of the filter. Determining an equivalent operating time of the screen based on a total service life of the screen, a dust concentration value of an environment in which the purifier is located, and an actual running time of the screen; based on the screen, etc. The operating time of the filter and the total service life of the filter are determined, and the running time percentage parameter of the filter is determined; and the third service life of the filter is determined based on the running time percentage parameter of the filter.
  • T is the total service life of the filter
  • CG is the dust concentration value of the standard environment
  • S is the applicable area parameter of the purifier.
  • Effective running time CN is the dust concentration value of the environment in which the purifier is located, CG is the dust concentration value of the standard environment, and t is the actual running time of the filter.
  • Step 503 Calculate the purification efficiency of the filter in the purifier, and determine the fourth service life of the filter based on the purification efficiency of the filter.
  • the fourth service life of the filter is calculated by the following process: detecting, by using a first dust sensor disposed at the air outlet of the purifier, a first dust concentration value at the air outlet, and utilizing a second dust sensor disposed at the air inlet of the purifier detects a second dust concentration value at the air inlet; and determining, in the purifier, based on the first dust concentration value and the second dust concentration value The purification efficiency of the screen; based on the purification efficiency of the screen, the fourth service life of the screen is determined.
  • Step 504 Determine a first weight value corresponding to the first service life, determine a third weight value corresponding to the third service life, and a fourth weight value corresponding to the fourth service life.
  • the first weight value corresponding to the first service life, the third weight value corresponding to the third service life, and the fourth weight value corresponding to the fourth service life may be based on the temperature and humidity of the environment in which the purifier is located. The light intensity, the dust concentration value, and the working state of each component of the purifier are determined.
  • Step 505 Perform weighted summation on the first service life, the third service life, and the fourth service life based on the first weight value, the third weight value, and the fourth weight value. , the service life of the filter is obtained.
  • the filter running time percentage parameter and the environment dust concentration value and the filter running time are related to the purification efficiency of the filter.
  • Step 506 Output first prompt information for indicating the service life of the filter.
  • the first prompt information for indicating the service life of the filter screen may be output by, but not limited to, the following manner:
  • Manner 1 The first prompt information indicating the service life of the filter screen is output through the progress bar.
  • the progress bar determines, according to the service life of the filter, the number of indication units to be displayed in the progress bar on the purifier, wherein the progress bar includes N indication units capable of display;
  • the progress bar is displayed according to the determined number of indicating units to prompt the service life of the filter.
  • the progress bar includes five indicating units that can be displayed, and the five indicating units are arranged in a row or a column to form a progress bar.
  • the greater the service life of the filter the greater the number of indicator units to be displayed.
  • the smaller the service life of the filter the fewer the number of indicator units to be displayed.
  • the progress bar shows that the service life of one indicator unit is 3 months.
  • the progress bar shows that the service life of the two indicator units is half a year.
  • the progress bar shows that the service life of the three indicator units is one and a half years.
  • the progress bar shows 4
  • the service life of the indicator unit is 2 years
  • the progress bar shows that the service life of the five indicator units is 3 years. Assuming that the filter has a service life of 3 years, the progress bar displays 5 indicator units.
  • Manner 2 The first prompt information for indicating the service life of the filter screen is output through the text on the display screen.
  • the life of the filter can be a continuous value, in which case the life of the filter can be prompted directly by text.
  • Step 507 When the service life of the filter is less than or equal to the first preset threshold, outputting second prompt information for indicating replacement of the filter.
  • the first preset threshold is assumed to be 2 years, and the service life of the filter is continuously reduced as time passes.
  • the second prompt information is used to prompt the user. Replace the filter.
  • the prompt information of the filter rejection may also be output.
  • the technical solution of the embodiment of the present application can automatically identify the service life of the filter network, when the user replaces a new one.
  • the prompt information indicating that the filter is replaced or the information of the filter scrapped is automatically canceled, which greatly improves the user experience.
  • FIG. 6 is a schematic flowchart of a method for determining a first service life according to an embodiment of the present application. As shown in FIG. 6, the method includes the following steps:
  • Step 601 Detect an operating power of the fan in the purifier, and determine a running power attenuation percentage parameter of the fan.
  • the components of the purifier mainly include: a front cover, a filter screen, a fan, and a back cover, wherein the front cover is provided with an air inlet, and the rear cover is provided with an air outlet.
  • the wind generated by the action of the fan flows through the filter through the air inlet to the air outlet, so that the wind flowing out of the air outlet is the wind purified by the filter.
  • the purifier can also have more components to achieve more abundant functions.
  • a high-performance material and activated carbon material for adsorbing fine particles and odorous polymers are disposed between the filter and the fan, and can also be set useful.
  • the TiO 2 layer which is used for smoldering smoke and the ultraviolet lamp for odor sterilization, and the like.
  • the type of the filter screen of the purifier is not limited, and the filter screen may be a particulate filter or an organic filter.
  • the particulate filter is divided into a coarse filter and a fine particle filter;
  • the organic filter is divided into a formaldehyde filter, a deodorizer filter, an activated carbon filter, a super-light mineralization filter, and the like.
  • Each type of filter is mainly targeted at different sources of pollution, and the principle of filtration is also different.
  • the operating power of the fan can be calculated.
  • the operating power attenuation percentage parameter of the fan (rated operating power of the fan - current operating power of the fan) / rated operating power of the fan ⁇ 100%, wherein the current operating power of the fan / rated operating power of the fan ⁇ 100 % is the operating power percentage parameter of the current fan.
  • the rated operating power of the fan refers to the operating power of the corresponding fan when a new filter is installed in the purifier. For example, when the new filter is used, the operating power of the fan is 1000w. When the filter is dirty due to dust covering, the power of the fan will be attenuated to 200W ⁇ 300W, that is, the operating power attenuation percentage parameter of the fan is 70%-80. %.
  • Step 602 Determine a dust gambling degree of the filter in the purifier based on the operating power attenuation percentage parameter of the fan.
  • the dust gambling degree of the filter screen can be determined, and the basis is: the same filter screen is used during the process, the dust ash gambling degree of the filter screen is larger.
  • the running power attenuation percentage parameter will be larger.
  • the filter with certain specifications is tested, and the correspondence between the operating power attenuation percentage parameter and the dust gambling degree is recorded and recorded in the database.
  • the dust gambling degree corresponding to the dust can be determined in the database.
  • the degree of dust gambling can be directly characterized by the amount of dust accumulated on the screen.
  • Step 603 Determine a first service life of the filter screen based on a dust gambling degree of the filter.
  • the greater the dust gambling degree of the filter screen the smaller the service life of the filter net is.
  • x (the dust accumulation amount of the sieve / the total dust accumulation amount of the filter) ⁇ 100%. Since the dust accumulation of the filter is less than or equal to the total dust accumulation of the filter, the value of x ranges from 0 to 1.
  • the range of the dust gambling degree (ie, 0 to 1) is divided into N numerical ranges, N is an integer and N ⁇ 2, wherein each of the numerical ranges corresponds to one service life; Determining, in the N numerical ranges, a numerical range to which the calculated dust gambling degree belongs, as a target numerical range; determining a service life corresponding to the target numerical range as the service life of the filter.
  • the technical solution of the embodiment of the present application determines the service life of the filter through the operating power attenuation percentage parameter of the fan, and the determination method of the service life of the filter is more in line with the real service life of the filter.
  • FIG. 7 is a schematic flowchart of a method for determining a second service life according to an embodiment of the present application. As shown in FIG. 7, the method includes the following steps:
  • Step 701 Obtain a total purification amount of the filter in the purifier, and calculate a cumulative purification amount of the filter.
  • obtaining the total purification amount of the filter in the purifier specifically includes: acquiring a CCM of the filter in the purifier, and using the CCM as a total purification amount of the filter.
  • CCM refers to the maximum dust holding capacity of the filter.
  • CCM 50000
  • the filter when the filter is in use, when the accumulated amount of dust is 50,000, the filter will be scrapped.
  • the relationship between CCM and the total service life of the filter can be calculated according to the following formula:
  • CG is the dust concentration value of the standard environment
  • S is the applicable area parameter of the purifier (for example, the applicable area of a purifier is 50 square meters)
  • T is the total service life of the filter.
  • calculating the cumulative purification amount of the filter network specifically includes: calculating a dust based on a dust concentration value of an environment in which the purifier is located, an applicable area parameter of the purifier, and a running time of the filter screen. The cumulative amount of purification of the filter.
  • the cumulative purification amount of the sieve is calculated based on the following formula: (0.48 ⁇ CN-28) ⁇ S ⁇ 2.4 ⁇ t;
  • CN is the dust concentration value of the environment in which the purifier is located
  • S is the applicable area parameter of the purifier
  • t is the running time of the filter.
  • the cumulative purification amount of the filter can be calculated according to the time period. Taking the time period of 1 hour as an example, the average dust concentration of the environment is calculated in the first hour.
  • the value is CN1, t is 1 hour, so that the cumulative purification amount corresponding to the first hour can be calculated, and the cumulative purification amount of the second hour, the third hour, etc. can be calculated by analogy, and the current purification time is before the current time.
  • the cumulative purification amount corresponding to all hours is summed to obtain the cumulative purification amount corresponding to the current time.
  • Step 702 Determine a purification percentage parameter of the filter screen based on a total purification amount of the filter screen and a cumulative purification amount of the filter screen.
  • Step 703 Determine a second service life of the filter screen based on the purification percentage parameter of the filter.
  • x (cumulative purification amount of the sieve / total purification amount of the sieve) ⁇ 100%. Since the cumulative purification amount of the filter is less than or equal to the total purification amount of the filter, x ranges from 0 to 1.
  • the value range of the purification percentage parameter (that is, 0 to 1) is divided into N numerical ranges, N is an integer and N ⁇ 2, wherein each of the numerical ranges corresponds to a service life;
  • the numerical value range to which the calculated purification percentage parameter belongs is determined as the target numerical value range, and the service life corresponding to the target numerical value range is determined as the service life of the filter.
  • FIG. 8 is a schematic flowchart of a method for determining a third service life according to an embodiment of the present application. As shown in FIG. 8, the method includes the following steps:
  • Step 801 Obtain a total purification amount of the filter in the purifier, and calculate a total service life of the filter based on the total purification amount of the filter.
  • obtaining the total purification amount of the filter in the purifier specifically includes: acquiring a CCM of the filter in the purifier, and using the CCM as a total purification amount of the filter.
  • CCM refers to the maximum dust holding capacity of the filter.
  • CCM 50000
  • the filter when the filter is in use, when the accumulated amount of dust is 50,000, the filter will be scrapped.
  • the relationship between CCM and the total service life of the filter can be calculated according to the following formula:
  • CG is the dust concentration value of the standard environment
  • S is the applicable area parameter of the purifier (for example, the applicable area of a purifier is 50 square meters)
  • T is the total service life of the filter.
  • T CCM / ⁇ (0.48 ⁇ CG - 28) ⁇ S ⁇ 2.4 ⁇ .
  • Step 802 Determine an equivalent running time of the filter screen based on a total service life of the filter, a dust concentration value of an environment in which the purifier is located, and an actual running time of the filter.
  • t eq is the equivalent running time of the filter
  • CN is the dust concentration value of the environment in which the purifier is located
  • CG is the dust concentration value of the standard environment
  • t is the actual running time of the filter.
  • the actual running time of the filter is 1 hour
  • the loss time (ie equivalent running time) of the converted filter is 12 minutes.
  • Step 803 Determine a running time percentage parameter of the filter screen based on an equivalent running time of the filter screen and an overall service life of the filter screen.
  • a ratio of the equivalent running time of the screen to the total service life of the screen is calculated as a percentage of the running time of the screen.
  • Step 804 Determine a third service life of the filter based on a running time percentage parameter of the filter.
  • the value of x ranges from 0 to 1.
  • the value range of the running time percentage parameter (that is, 0 to 1) is divided into N numerical ranges, N is an integer and N ⁇ 2, wherein each of the numerical ranges corresponds to one service life; Determining, in the N numerical ranges, a numerical range to which the calculated running time percentage parameter belongs, as a target numerical range; determining a service life corresponding to the target numerical range as the service life of the filter.
  • FIG. 9 is a schematic flowchart diagram of a method for determining a fourth service life according to an embodiment of the present application. As shown in FIG. 9, the method includes the following steps:
  • Step 901 detecting a first dust concentration value at the air outlet by using a first dust sensor disposed at an air outlet of the purifier, and detecting a position of the air inlet by using a second dust sensor disposed at an air inlet of the purifier The second dust concentration value.
  • a first dust sensor is disposed at an air outlet of the purifier, and a second dust sensor is disposed at an air inlet of the purifier.
  • the first dust sensor and the second dust sensor may be PM2.5 sensors, and the PM2.5 sensor may be used to detect a dust concentration value in the air, that is, a PM2.5 value.
  • the working principle of PM2.5 sensor is based on the principle of light scattering. Particles and molecules will produce light scattering under the illumination of light. At the same time, it absorbs the energy of part of the illumination light when a parallel monochromatic light is incident on the light. When the particle field is measured, it will be affected by scattering and absorption around the particle, and the light intensity will be attenuated.
  • the relative attenuation rate of the incident light passing through the concentration field to be measured can be obtained, and the relative attenuation rate can basically Linear reaction
  • the relative concentration of the dust to be measured, the intensity of the light is proportional to the strength of the photoelectrically converted electrical signal.
  • the relative attenuation rate can be obtained, and then the concentration of dust in the field to be measured can be determined. .
  • the second dust concentration value detected by the second dust sensor represents the dust concentration value before the air purification
  • the first dust concentration value detected by the first dust sensor represents the dust concentration value after the air purification
  • first dust sensor and the second dust sensor in the embodiment of the present application may also be combined into one dust sensor.
  • the dust sensor can change the detection direction to achieve the dust concentration at the air inlet and The dust concentration at the air outlet is separately detected.
  • Step 902 Determine a purification efficiency of the filter in the purifier based on the first dust concentration value and the second dust concentration value.
  • the first dust concentration value is less than or equal to the second dust concentration value, that is, the dust concentration value after the air purification is less than or equal to the dust concentration value before the air purification.
  • the smaller the first dust concentration value is relative to the second dust concentration value the larger the amount of dust filtered by the filter screen.
  • the filter is filtered. The smaller the amount of dust that is dropped.
  • the first dust concentration value is equal to the second dust concentration value.
  • the filter screen does not perform any purification effect. It can be seen that the filter screen in this case is a scrapped filter screen.
  • the ability of the filter to filter dust may be characterized by the purification efficiency of the filter. Based on the above, the first dust concentration value and the second dust concentration value may be calculated and obtained in the purifier. The purification efficiency of the filter.
  • the purification efficiency of the screen is determined by the ratio of the first dust concentration value to the second dust concentration value. At this time, the larger the ratio, the lower the purification efficiency, and the smaller the ratio, the higher the purification efficiency. It can be seen that determining the purification efficiency of the filter in the purifier requires performing the following operations: calculating a ratio of the first dust concentration value and the second dust concentration value to obtain the purification efficiency, and the purification efficiency is taken Values range from 0 to 1.
  • the calculation method of the purification efficiency of the screen is not limited to being determined by the ratio of the first dust concentration value and the second dust concentration value.
  • the second dust concentration value and the first dust concentration are passed.
  • the difference between the values determines the purification efficiency of the filter. At this time, the larger the difference, the higher the purification efficiency, and the smaller the difference, the lower the purification efficiency.
  • Step 903 Determine a fourth service life of the filter screen based on the purification efficiency of the filter.
  • the range of the purification efficiency (ie, 0 to 1) is divided into N numerical ranges, N is an integer and N ⁇ 2, wherein each of the numerical ranges corresponds to a service life;
  • the numerical range to which the calculated purification efficiency belongs is determined in the N numerical ranges as the target numerical range;
  • the service life corresponding to the target numerical range is determined as the service life of the filter.
  • x represents purification efficiency
  • x (first dust concentration value / second dust concentration value) ⁇ 100%. Since the first dust concentration value is less than or equal to the second dust concentration value, x ranges from 0 to 1, and 0 to 1 is divided into five numerical ranges, respectively (0, 20%), (20%, 40%], (40%, 60%), (60%, 80%), (80,100%), of which (80,100%) corresponds to a service life of 3 months, (60%, 80%) The corresponding service life is half a year, (40%, 60%) corresponds to a service life of one and a half years, (20%, 40%) corresponds to a service life of 2 years, (0,20%) corresponding life is 3 years. Assuming x belongs to (0, 20%), the filter has a service life of 3 years.
  • the technical solution of the embodiment of the present application determines the service life of the filter through the purification efficiency of the filter.
  • the determination of the service life of the filter is more in line with the true service life of the filter.
  • FIG. 10 is a first schematic structural diagram of a device for determining the service life of a filter according to an embodiment of the present invention. As shown in FIG. 10, the device includes:
  • the detecting module 1001 is configured to detect an operating power of the fan in the purifier, and determine a running power attenuation percentage parameter of the fan;
  • the first determining module 1002 is configured to determine, according to an operating power attenuation percentage parameter of the fan, a dust gambling degree of the filter in the purifier;
  • the second determining module 1003 is configured to determine the service life of the filter based on the dust gambling degree of the filter.
  • the device further includes:
  • the first output module 1004 is configured to output first prompt information for indicating the service life of the filter.
  • the device further includes:
  • the second output module 1005 is configured to output second prompt information for indicating replacement of the filter when the purification percentage parameter reaches the first preset threshold.
  • the functions implemented by the detecting module, the first determining module, and the second determining module in the determining device of the filter life may be implemented by a central processing unit (CPU) or a microprocessor (MPU). , Micro Processor Unit), or digital signal processor (DSP, Digital Signal Processor), or Field Programmable Gate Array (FPGA).
  • CPU central processing unit
  • MPU microprocessor
  • DSP Digital Signal Processor
  • FPGA Field Programmable Gate Array
  • the functions implemented by the first output module and the second output module in the determining device of the filter life can be realized by an output device such as a display or a speaker.
  • FIG. 11 is a second structural schematic diagram of a device for determining the service life of a filter according to an embodiment of the present invention. As shown in FIG. 11 , the device includes:
  • the detecting module 1001 is configured to detect an operating power of the fan in the purifier, and determine a running power attenuation percentage parameter of the fan;
  • the first determining module 1002 is configured to determine, according to an operating power attenuation percentage parameter of the fan, a dust gambling degree of the filter in the purifier;
  • the second determining module 1003 is configured to determine the service life of the filter based on the dust gambling degree of the filter.
  • the second determining module 1003 is further configured to use the service life of the filter determined based on the dust gambling degree of the filter as the first service life of the filter;
  • the device also includes:
  • a first calculation module 1006 configured to calculate a purification percentage parameter of the filter in the purifier, and determine a second service life of the filter based on a purification percentage parameter of the filter;
  • the third determining module 1007 is configured to determine a first weight value corresponding to the first service life, and a second weight value corresponding to the second service life;
  • the first weighting module 1008 is configured to perform weighted summation of the first service life and the second service life based on the first weight value and the second weight value to obtain a service life of the filter .
  • the first calculation module 1006 is configured to acquire a total purification amount of the filter in the purifier, and calculate a cumulative purification amount of the filter; based on the total purification amount of the filter and the cumulative purification amount of the filter Determining a purification percentage parameter of the filter; determining a second service life of the filter based on a purification percentage parameter of the filter.
  • the first calculation module 1006 is configured to acquire a CCM of a filter in the purifier, and use the CCM as a total purification amount of the filter; based on a dust concentration value of an environment in which the purifier is located, The applicable area parameter of the purifier and the running time of the screen are used to calculate the cumulative amount of purification of the screen.
  • the device further includes:
  • the first output module 1004 is configured to output first prompt information for indicating the service life of the filter.
  • the device further includes:
  • the second output module 1005 is configured to output second prompt information for indicating replacement of the filter when the purification percentage parameter reaches the first preset threshold.
  • each module in the determining device for the service life of the screen shown in FIG. 11 can be understood by referring to the related description of the method for determining the service life of the aforementioned filter.
  • the functions implemented by the detecting module, the first determining module, the second determining module, the first calculating module, the third determining module, and the first weighting module in the determining device of the filter life may be performed by a CPU, Or MPU, or DSP, or FPGA implementation.
  • the functions implemented by the first output module and the second output module in the determining device of the filter life can be realized by an output device such as a display or a speaker.
  • the device includes:
  • the detecting module 1001 is configured to detect an operating power of the fan in the purifier, and determine a running power attenuation percentage parameter of the fan;
  • the first determining module 1002 is configured to determine, according to an operating power attenuation percentage parameter of the fan, a dust gambling degree of the filter in the purifier;
  • the second determining module 1003 is configured to determine the service life of the filter based on the dust gambling degree of the filter.
  • the second determining module 1003 is further configured to use the service life of the filter determined based on the dust gambling degree of the filter as the first service life of the filter;
  • the device also includes:
  • a second calculating module 1009 configured to calculate a running time percentage parameter of the filter in the purifier, and determine a third service life of the filter based on a running time percentage parameter of the filter;
  • the fourth determining module 1010 is configured to determine a first weight value corresponding to the first service life, and a third weight value corresponding to the third service life;
  • the second weighting module 1011 is configured to perform weighted summation on the first service life and the third service life based on the first weight value and the third weight value to obtain a service life of the filter .
  • the second calculation module 1009 is configured to obtain a total purification amount of the filter in the purifier, and calculate a total service life of the filter based on the total purification amount of the filter; based on the total service life of the filter Determining an equivalent running time of the filter screen according to a dust concentration value of an environment in which the purifier is located and an actual running time of the filter screen; based on an equivalent running time of the filter net and a total of the filter net The service life is determined by determining a running time percentage parameter of the filter; and determining a third service life of the filter based on the running time percentage parameter of the filter.
  • the second calculation module 1009 is configured to acquire a CCM of a filter in the purifier, and use the CCM as a total purification amount of the filter;
  • T is the total service life of the filter
  • CG is the dust concentration value of the standard environment
  • S is the applicable area parameter of the purifier.
  • t eq is the equivalent running time of the filter
  • CN is the dust concentration value of the environment in which the purifier is located
  • CG is the dust concentration value of the standard environment
  • t is the actual running time of the filter.
  • the device further includes:
  • the first output module 1004 is configured to output first prompt information for indicating the service life of the filter.
  • the device further includes:
  • the second output module 1005 is configured to output second prompt information for indicating replacement of the filter when the purification percentage parameter reaches the first preset threshold.
  • the functions implemented by the detecting module, the first determining module, the second determining module, the second calculating module, the fourth determining module, and the second weighting module in the determining device of the filter life may be implemented by a CPU, Or MPU, or DSP, or FPGA implementation.
  • the functions implemented by the first output module and the second output module in the determining device of the filter life can be realized by an output device such as a display or a speaker.
  • FIG. 13 is a schematic structural diagram of a structure of a device for determining the service life of a filter according to an embodiment of the present invention. As shown in FIG. 13, the device includes:
  • the detecting module 1001 is configured to detect an operating power of the fan in the purifier, and determine a running power attenuation percentage parameter of the fan;
  • the first determining module 1002 is configured to determine, according to an operating power attenuation percentage parameter of the fan, a dust gambling degree of the filter in the purifier;
  • the second determining module 1003 is configured to determine the service life of the filter based on the dust gambling degree of the filter.
  • the second determining module 1003 is further configured to use the service life of the filter determined based on the dust gambling degree of the filter as the first service life of the filter;
  • the device also includes:
  • the third calculating module 1012 is configured to calculate a purification efficiency of the filter in the purifier, and determine a fourth service life of the filter based on the purification efficiency of the filter;
  • the fifth determining module 1013 is configured to determine a first weight value corresponding to the first service life, and a fourth weight value corresponding to the fourth service life;
  • the third weighting module 1014 is configured to perform weighted summation on the first service life and the fourth service life based on the first weight value and the fourth weight value to obtain a service life of the filter .
  • the device further includes:
  • the first dust sensor 1015 is configured to detect a first dust concentration value at the air outlet
  • the second dust sensor 1016 is configured to detect a second dust concentration value at the air inlet
  • the third calculation module 1012 is configured to determine a purification efficiency of the filter in the purifier based on the first dust concentration value and the second dust concentration value; and determine the purification efficiency based on the filter network The fourth service life of the filter is taken out.
  • the device further includes:
  • the first output module 1004 is configured to output first prompt information for indicating the service life of the filter.
  • the device further includes:
  • the second output module 1005 is configured to output second prompt information for indicating replacement of the filter when the purification percentage parameter reaches the first preset threshold.
  • each module in the determining device for the service life of the screen shown in FIG. 13 can be understood by referring to the related description of the method for determining the service life of the aforementioned filter.
  • the functions implemented by the detecting module, the first determining module, the second determining module, the third calculating module, the fifth determining module, and the third weighting module in the determining device of the filter life can be implemented by a CPU, Or MPU, or DSP, or FPGA implementation.
  • the functions implemented by the first output module and the second output module in the determining device of the filter life can be realized by an output device such as a display or a speaker.
  • the apparatus includes:
  • the detecting module 1001 is configured to detect an operating power of the fan in the purifier, and determine a running power attenuation percentage parameter of the fan;
  • the first determining module 1002 is configured to determine, according to an operating power attenuation percentage parameter of the fan, a dust gambling degree of the filter in the purifier;
  • the second determining module 1003 is configured to determine the service life of the filter based on the dust gambling degree of the filter.
  • the second determining module 1003 is further configured to use the service life of the filter determined based on the dust gambling degree of the filter as the first service life of the filter;
  • the device also includes:
  • a second calculating module 1009 configured to calculate a running time percentage parameter of the filter in the purifier, and determine a third service life of the filter based on a running time percentage parameter of the filter;
  • the third calculating module 1012 is configured to calculate a purification efficiency of the filter in the purifier, and determine a fourth service life of the filter based on the purification efficiency of the filter;
  • the sixth determining module 1017 is configured to determine a first weight value corresponding to the first service life, determine a third weight value corresponding to the third service life, and a fourth weight value corresponding to the fourth service life;
  • the fourth weighting module 1018 is configured to use the first service life, the third service life, and the fourth usage based on the first weight value, the third weight value, and the fourth weight value The life is weighted and summed to obtain the useful life of the filter.
  • the second calculating module 1009 is configured to obtain a total purification amount of the filter in the purifier, and calculate a total service life of the filter based on the total purification amount of the filter; Determining the equivalent operating time of the filter screen based on the total service life of the filter screen, the dust concentration value of the environment in which the purifier is located, and the actual running time of the filter screen; based on the equivalent running time of the filter screen and The total service life of the filter screen determines a running time percentage parameter of the filter screen; and determining a third service life of the filter net based on the running time percentage parameter of the filter net.
  • the second calculating module 1009 is configured to acquire a CCM of a filter in the purifier, and use the CCM as a total purification amount of the filter;
  • T is the total service life of the filter
  • CG is the dust concentration value of the standard environment
  • S is the applicable area parameter of the purifier.
  • t eq is the equivalent running time of the filter
  • CN is the dust concentration value of the environment in which the purifier is located
  • CG is the dust concentration value of the standard environment
  • t is the actual running time of the filter.
  • the device further includes:
  • the first dust sensor 1015 is configured to detect a first dust concentration value at the air outlet
  • the second dust sensor 1016 is configured to detect a second dust concentration value at the air inlet
  • the third calculation module 1012 is configured to determine a purification efficiency of the filter in the purifier based on the first dust concentration value and the second dust concentration value; and determine the purification efficiency based on the filter network The fourth service life of the filter is taken out.
  • the device further includes:
  • the first output module 1004 is configured to output first prompt information for indicating the service life of the filter.
  • the device further includes:
  • the second output module 1005 is configured to output second prompt information for indicating replacement of the filter when the purification percentage parameter reaches the first preset threshold.
  • each module in the determining device for the service life of the screen shown in FIG. 14 can be understood by referring to the related description of the method for determining the service life of the aforementioned filter.
  • the detection module, the first determining module, the second determining module, the second calculating module, the third calculating module, the sixth determining module, and the fourth weighting module are implemented in the determining device of the filter life.
  • the function can be implemented by a CPU, or an MPU, or a DSP, or an FPGA.
  • the functions implemented by the first output module and the second output module in the determining device of the filter life can be realized by an output device such as a display or a speaker.
  • the embodiment of the present application further provides a purifier, wherein the purifier is provided with a filter screen, and further, the purifier further comprises the above-mentioned filter life determining device to calculate the service life of the filter net, and Prompt the life of the filter.
  • the apparatus for determining the service life of the above-mentioned filter screen in the embodiment of the present application can also be stored in a computer readable storage medium if it is implemented in the form of a software function module and sold or used as a stand-alone product.
  • the technical solution of the embodiments of the present application may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium, including a plurality of instructions.
  • a computer device (which may be a personal computer, server, or network device, etc.) is caused to perform all or part of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • program codes such as a USB flash drive, a mobile hard disk, a read only memory (ROM), a magnetic disk, or an optical disk.
  • the embodiment of the present application further provides a storage medium, where computer executable instructions are stored, and when the computer executable instructions are executed by the processor, the method for determining the service life of the filter of the embodiment of the present application is implemented.
  • the disclosed method and smart device may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner such as: multiple units or components may be combined, or Can be integrated into another system, or some features can be ignored or not executed.
  • the coupling, or direct coupling, or communication connection of the components shown or discussed may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms. of.
  • the units described above as separate components may or may not be physically separated, and the components displayed as the unit may or may not be physical units, that is, may be located in one place or distributed to multiple network units; Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated into one second processing unit, or each unit may be separately used as one unit, or two or more units may be integrated into one unit;
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the technical solution of the embodiment of the present application detects the operating power of the fan in the purifier, and determines a running power attenuation percentage parameter of the fan; and determines a filter in the purifier based on the operating power attenuation percentage parameter of the fan
  • the degree of dust gambling; based on the dust gambling degree of the filter, the service life of the filter is determined.
  • the dust power gambling degree of the filter is determined by the operating power attenuation percentage parameter of the fan, and then the service life of the filter is determined by the dust gambling degree of the filter screen, and the determination method of the filter life is more consistent.
  • the true life of the filter is determined by the operating power attenuation percentage parameter of the fan.

Abstract

L'invention concerne un procédé et un appareil pour déterminer une durée de vie d'une maille filtrante, un purificateur et un support d'enregistrement. Le procédé consiste à : détecter une puissance de fonctionnement d'un ventilateur dans un purificateur, et déterminer un paramètre de pourcentage d'atténuation de la puissance de fonctionnement du ventilateur (101) ; sur la base du paramètre de pourcentage d'atténuation de la puissance de fonctionnement du ventilateur, déterminer le degré de blocage de poussière et saleté d'une maille filtrante dans le purificateur (102) ; sur la base du degré de blocage de poussière et saleté de la maille filtrante, déterminer la durée de vie de la maille filtrante (103) ; la sortie de premières informations d'invite pour indiquer la durée de vie de la maille filtrante (104) ; et lorsque la durée de vie de la maille filtrante est inférieure ou égale à un premier seuil prédéfini, sortir des secondes informations d'invite pour donner l'instruction de remplacer la maille filtrante (105).
PCT/CN2018/084770 2017-08-31 2018-04-27 Procédé et appareil de détermination de durée de vie de maille filtrante, purificateur et support d'enregistrement WO2019041849A1 (fr)

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CN109091962A (zh) * 2018-08-29 2018-12-28 莱克电气绿能科技(苏州)有限公司 气体净化装置及其控制方法
CN110207220B (zh) * 2018-10-19 2020-09-22 华帝股份有限公司 红外线检测烟机内部油渍污染程度的判断方法及装置
CN109373505A (zh) * 2018-10-26 2019-02-22 奥克斯空调股份有限公司 一种空调清洁提醒控制方法及空调器
CN111750510B (zh) * 2019-03-29 2022-06-14 松下电器研究开发(苏州)有限公司 空气调节器的控制装置及控制方法
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