WO2020134438A1 - 滤芯寿命监测方法、装置和空气净化设备 - Google Patents
滤芯寿命监测方法、装置和空气净化设备 Download PDFInfo
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- WO2020134438A1 WO2020134438A1 PCT/CN2019/113057 CN2019113057W WO2020134438A1 WO 2020134438 A1 WO2020134438 A1 WO 2020134438A1 CN 2019113057 W CN2019113057 W CN 2019113057W WO 2020134438 A1 WO2020134438 A1 WO 2020134438A1
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- filter element
- life
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- target substance
- monitoring
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
Definitions
- the present disclosure relates to the technical field of electrical equipment, in particular to a filter element life monitoring method, device and air purification equipment.
- air purification equipment such as air conditioners and air purifiers have gradually appeared in thousands of homes and office spaces.
- air purification equipment pre-sets the effective use time of the filter element. When the use time of the filter element reaches the effective use time, the user is reminded to replace the filter element.
- the life of the filter element is affected by many factors. For example, the environment of the air purification equipment is different, and the life of the filter element is also different. Therefore, the above method of determining the life of the filter element is not accurate.
- the present disclosure proposes a filter element life monitoring method, device and air purification equipment to accurately identify the life of the filter element, so as to avoid the related problems caused by the incorrect identification of the filter element life, for example, to avoid the end of life of the filter element still in service and lead to purification performance
- the situation of decline, or it can avoid the waste of resources caused by the replacement of the filter element before the end of life is used to solve the technical problem of low accuracy of the determination result of the filter life in the prior art.
- An embodiment of the present disclosure provides a method for monitoring the life of a filter element.
- the filter element is used to decompose pollutants to obtain a target substance.
- the method includes:
- the life of the filter element is determined.
- An embodiment of another aspect of the present disclosure provides a filter element life monitoring device.
- the filter element is used to decompose pollutants to obtain a target substance.
- the device includes:
- a monitoring module for monitoring the concentration of the target substance during the air purification process using the filter element
- the determining module is used for determining the life of the filter element according to the monitored concentration of the target substance.
- An embodiment of another aspect of the present disclosure provides an air purification device.
- the air purification device includes a filter element that is used to decompose pollutants to obtain a target substance.
- the air purification device further includes a memory, a processor, and A computer program stored on the memory and executable on the processor. When the processor executes the program, the method for monitoring the life of the filter element as proposed in the foregoing embodiments of the present disclosure is implemented.
- a further embodiment of the present disclosure proposes a computer-readable storage medium on which a computer program is stored.
- the program is executed by a processor, the method for monitoring the life of the filter element as proposed in the foregoing embodiments of the present disclosure is implemented.
- the one or more technical solutions provided in the embodiments of the present disclosure have at least the following technical effects or advantages:
- the concentration of the target substance is monitored, and according to the detected target substance
- the concentration of the filter element determines the life of the filter element, where the target substance is obtained by the decomposition of the pollutant by the filter element, which can effectively solve the technical problem of low accuracy of the determination result of the filter element life in the prior art, thereby achieving accurate identification of the filter element life, Therefore, related problems caused by incorrectly identifying the life of the filter element can be avoided. For example, it can be avoided that the filter element at the end of the life is still in service and the purification performance is reduced, or the resource waste caused by the replacement of the filter element at the end of the life can be avoided.
- the way of confirming the life of the filter element can be enriched, and the flexibility and applicability of the method can be improved.
- FIG. 1 is a schematic flowchart of a method for monitoring the life of a filter element provided in Embodiment 1 of the present disclosure
- FIG. 2 is a schematic flowchart of a method for monitoring the life of a filter element provided in Embodiment 2 of the present disclosure
- FIG. 3 is a schematic flow chart of a method for monitoring the life of a filter element provided in Embodiment 3 of the present disclosure
- FIG. 4 is a schematic flowchart of a method for monitoring the life of a filter element provided in Embodiment 4 of the present disclosure
- FIG. 5 is a schematic structural diagram of a filter life monitoring device according to Embodiment 5 of the present disclosure.
- the present disclosure is mainly directed to the technical problem of low accuracy of the filter life determination result in the prior art, and proposes a filter life monitoring method.
- the method for monitoring the life of a filter element of an embodiment of the present disclosure monitors the concentration of the target substance during the air purification process using the filter element, and determines the life of the filter element according to the monitored concentration of the target substance, where the target substance is the filter element for polluting substances Decomposed.
- the purification ability and purification effect of the filter element can be determined, and further, the filter life can be determined according to the purification ability or purification effect, thereby, the filter life can be accurately identified, so that the filter life can not be identified incorrectly
- the related problems for example, can avoid the situation that the filter element at the end of life is still in service and degrades the purification performance, or can avoid the situation of wasting resources when the filter element is not replaced at the end of life.
- FIG. 1 is a schematic flowchart of a method for monitoring a filter life according to Embodiment 1 of the present disclosure.
- the filter life monitoring method is configured in a filter life monitoring device, and the filter life monitoring device can be applied to an air purification device to enable the air purification device to perform a filter life monitoring function.
- the air purification equipment refers to related equipment having an air purification function, such as air purifiers, air conditioners, and other equipment.
- the filter element is used to decompose the pollutant to obtain the target substance.
- the filter element when using air purification equipment to filter them, the filter element is mainly used to adsorb them to achieve the purpose of purifying the air.
- Gaseous pollutants such as formaldehyde, total volatile organic compounds (Total Volatile Organic Compounds, TVOC for short), etc.
- the pollutant may specifically be a gas pollutant, such as formaldehyde, chlorine-containing volatile organic compounds (Cl-VOCs), and so on.
- the filter element can decompose pollutants to obtain the target substance.
- the filter element can decompose formaldehyde to obtain carbon dioxide CO 2 and water H 2 0.
- the target substance can be carbon dioxide, or the filter element can decompose chlorine-containing volatile organic compounds It is decomposed to obtain carbon dioxide CO 2 , water H 2 0 and other substances.
- the target substance may be carbon dioxide.
- the filter element life monitoring method includes the following steps:
- Step 101 During the air purification process using the filter element, monitor the concentration of the target substance.
- the filter element can be used to purify the air.
- the filter element can decompose the pollutant to obtain the target substance.
- relevant sensors can be used to detect the concentration of the target substance.
- a carbon dioxide sensor can be used to detect the concentration of the target substance.
- Step 102 Determine the life of the filter element according to the monitored concentration of the target substance.
- the concentration of the target substance rises significantly within the preset time period, it means that the filter element decomposes more pollutants and the purification ability of the air purification equipment is stronger. At this time, it can be determined that the filter life is not the end of life. If the concentration of the target substance does not change significantly, or does not change, it means that the filter element decomposes less pollutant, or the filter element does not decompose the pollutant, at this time, it can be determined that the filter life is the end of life.
- the life of the filter element can be determined according to the monitored concentration of the target substance.
- the life of the filter element can be determined according to the amount of change in the concentration of the target substance within a preset time period, or the life of the filter element can be determined according to the amount of change in the concentration of target substance per unit time, which is not limited.
- the life of the filter element can be accurately identified, so that the related problems caused by not correctly identifying the life of the filter element can be avoided, for example, it can avoid the situation that the filter element at the end of the life is still in service and the purification performance is reduced, or the filter element that has not reached the end of the life can be avoided. Replacement causes waste of resources.
- the chip life can be determined according to the concentration of pollutants.
- the pollutant is formaldehyde
- the formaldehyde concentration can be detected by the formaldehyde sensor.
- the concentration of formaldehyde drops significantly.
- the life span of the formaldehyde sensor is short. If the formaldehyde sensor is installed in the air purification equipment, the formaldehyde sensor needs to be replaced frequently, for example, the formaldehyde sensor is replaced every six months or a year, and the cost is relatively high.
- the life of the chip is determined according to the concentration of the target substance obtained by decomposing the pollutant.
- the target substance is carbon dioxide
- the life of the carbon dioxide sensor is longer, so there is no need to replace it frequently. Can reduce costs.
- the concentration of the target substance is detected by the relevant sensor, and the life of the filter element is determined according to the concentration of the target substance, and the risk caused by the introduction of additional immature technology can also be avoided.
- the method for monitoring the life of a filter element of an embodiment of the present disclosure monitors the concentration of the target substance during the air purification process using the filter element, and determines the life of the filter element according to the monitored concentration of the target substance, where the target substance is the filter element for polluting substances Decomposed.
- the purification ability and purification effect of the filter element can be determined, and further, the filter life can be determined according to the purification ability or purification effect, thereby, the filter life can be accurately identified, so that the filter life can not be identified incorrectly
- the related problems for example, can avoid the situation that the filter element at the end of life is still in service and degrades the purification performance, or can avoid the situation of wasting resources when the filter element is not replaced at the end of life.
- the concentration of the target substance in the air purification device before the start of the air purification process and the concentration of the target substance in the preset time period after the start of the air purification process can be obtained by monitoring according to two time points The difference in concentration of the target substance determines the life of the filter element. The above process will be described in detail below in conjunction with FIG. 2.
- FIG. 2 is a schematic flowchart of a method for detecting the life of a filter element provided in Embodiment 2 of the present disclosure.
- step 102 may specifically include the following sub-steps:
- Step 201 Obtain the concentration of the target substance before the air purification process starts.
- the filter element before the air purification process starts, it means that the filter element does not purify the air, that is, before the filter element purifies the air.
- the concentration of the target substance before the start of the air purification process can be detected by related sensors.
- the concentration of the target substance can be detected through the relevant sensor.
- the relevant sensor can be used to detect the concentration of the target substance, for example, to mark the concentration of the target substance as C1 before the air purification process starts.
- the mobile terminal may be a mobile device, a tablet computer, a personal digital assistant, a wearable device, an in-vehicle device, and other hardware devices with various operating systems, touch screens, and/or display screens.
- Step 202 Calculate the concentration difference, which is the difference between the concentration of the target substance in the preset time period after the start of the air purification process and the concentration of the target substance before the start of the air purification process.
- the preset time period is preset, for example, it may be preset for the built-in program of the air purification device, or may be set by the user, which is not limited, for example, the preset time period may be 30 minutes, 1h and so on.
- the preset time period after the start of the air purification process refers to the preset time period after the air purification device is turned on and the filter element purifies the air, for example, 30 minutes after the filter element purifies the air.
- the filter element purifies the air
- the concentration of the target substance can be collected by the relevant sensor, for example, to mark the start of the air purification process
- the concentration of the target substance is C2
- the difference between C2 and C1 is obtained to obtain the concentration difference between the target substance concentration after the start of the air purification process and the target substance concentration before the start of the air purification process
- the value is
- the concentration of the target substance collected by the relevant sensors in real time can be compared with the concentration of the target substance before the air purification process starts to determine the life of the filter element, which can improve the determination of the filter life in subsequent steps Accuracy.
- Step 203 Determine the life of the filter element according to the concentration difference.
- is lower than the first threshold, if so, the filter life is determined to be the end of life, if not, the filter life is determined to be non- End of life.
- the first threshold value is preset, for example, may be preset in a built-in program of the air purification device, or may be set by a user, which is not limited.
- the filter element may have a significant change in the measured target substance concentration under the same purification efficiency, For example, the volume of space A is smaller than that of space B, assuming that the filter element decomposes in space A to obtain as many target substances as the filter element decomposes in space B. Since the volume of space A is smaller than space B, the The concentration of the target substance is greater than the concentration of the target substance in the space B. Therefore, according to whether the concentration difference
- the growth coefficient may be calculated according to the concentration difference
- can be compared with the concentration C1 of the target substance before the air purification process is started to obtain the growth coefficient.
- the purification capacity gradually weakens, and the growth coefficient is continuously reduced. Therefore, it can be judged whether the growth coefficient is lower than the third threshold. If it is, it indicates that the purification capacity of the filter element is weak. At this time, it can be determined The life of the filter element is the end of life, if not, it is determined that the life of the filter element is not the end of life.
- the third threshold value is preset, for example, it may be preset for the built-in program of the air purification device, or may be set by the user, which is not limited.
- the life of the filter element may also be determined according to the growth factor and the preset reference growth factor.
- /C1, D1
- the difference between the growth coefficient S1 and the reference growth coefficient S2 is lower than the fifth threshold. If so, it indicates that the purification ability of the filter element is weak. , It can be determined that the life of the filter element is the end of life, if not, it is determined that the life of the filter element is not the end of life.
- the fourth threshold and the fifth threshold are preset, for example, may be preset in the built-in program of the air purification device, or may be set by the user, which is not limited.
- the growth coefficient S1
- /0.125 60%>50%, therefore, it can be determined that the filter element’s aldehyde removal effect is attenuated Obviously, the life of the filter element is the end of life.
- the above example only uses the reference growth factor as the preset setting.
- the reference growth factor is preset for the built-in program of the air purification device, its value is related to the calibration environment before leaving the factory, such as Differences in space size, ambient temperature, humidity, etc. may cause large differences in the reference growth coefficients corresponding to different spaces, thereby affecting the accuracy of the filter life judgment results. Therefore, in the present disclosure, the monitoring when the filter is used for the first time can be obtained The concentration of the target substance and the concentration difference per unit time when the filter element is first used, and the reference growth factor is determined according to the concentration difference per unit time. Specifically, the difference in concentration per unit time when the filter element is used for the first time and the concentration of the target substance monitored when the filter element is used for the first time can be compared to obtain a reference growth factor.
- the user can be prompted to remind the user to replace the filter element, for example, voice announcement can be made through the air purification device, or the user can be sent a reminder through the APP that controls the electrical equipment on the mobile terminal Information, no restrictions.
- the concentration of the target substance can be continuously monitored to monitor the life of the filter element in real time, that is, return to step 202 and subsequent steps.
- the method for monitoring the life of a filter element can determine the life of the filter element according to the purification effect or purification ability of the filter element, and can improve the accuracy of the determination result of the filter element life.
- the life of the filter element can also be determined according to the amount of change in the concentration of the target substance per unit time. The above process will be described in detail below in conjunction with FIG. 3.
- FIG. 3 is a schematic flowchart of a method for monitoring the life of a filter element provided in Embodiment 3 of the present disclosure.
- step 102 may specifically include the following sub-steps:
- Step 301 Determine the amount of concentration change per unit time according to the monitored concentration of the target substance.
- the unit time is preset, for example, it may be 1 min, 10 min, and so on.
- , The relative change in concentration is T0
- Step 302 Determine the life of the filter element according to the concentration change.
- the concentration change is lower than the sixth threshold. If it is, it indicates that the purification capacity of the filter element is weak. At this time, it can be determined that the filter life is the end of life. If not, it is determined that the filter life is not End of life.
- the sixth threshold value is preset, for example, it may be preset for the built-in program of the air purification device, or may be set by the user, which is not limited.
- the method for monitoring the life of a filter element according to an embodiment of the present disclosure can also determine the accuracy of the determination result by determining the life of the filter element according to the concentration change amount per unit time.
- a reference concentration change amount may also be set, and the difference in concentration change amount between the concentration change amount and the reference concentration change amount may be calculated, and the filter life may be determined according to the concentration change amount difference value.
- FIG. 4 is a schematic flowchart of a method for monitoring the life of a filter element provided in Embodiment 4 of the present disclosure.
- step 302 may specifically include the following sub-steps:
- Step 401 For the concentration change amount, calculate the difference between the concentration change amount and the set reference concentration change amount.
- the reference concentration change amount may be preset, for example, labeled as T1, then the concentration change amount difference between the concentration change amount T0 and the reference concentration change amount T1 per unit time The value is
- the above example only uses the reference concentration change amount as the preset setting.
- the reference concentration change amount is preset in the built-in program of the air purification device, its value is related to the calibration environment before shipment. , Such as the difference in space size, the difference in ambient temperature and humidity, etc., may cause a large difference in the reference concentration change corresponding to different spaces, thereby affecting the accuracy of the filter life judgment results.
- the concentration C0 monitored when the filter element is used for the first time can be obtained, and the concentration change amount per unit time when the filter element is used for the first time can be determined, and then, according to the unit when the filter element is used for the first time The amount of concentration change within time, set the reference concentration change amount T1.
- Step 402 Determine the life of the filter element according to the difference in concentration change.
- the life of the filter element is not at the end of its life, its purification performance is better. With the increase of time, more and more target substances are decomposed, and the concentration of the target substances in the space where the air purification equipment is located is also increasing. high. Therefore, as a possible implementation manner of the embodiment of the present disclosure, it can be determined whether the difference in concentration change
- the second threshold value is preset, for example, may be preset in a built-in program of the air purification device, or may be set by a user, which is not limited.
- the filter element may have a significant change in the measured concentration of the target substance at the same purification efficiency, for example .
- the volume of space A is smaller than that of space B, assuming the target substance decomposed by the filter element in space A, and the target substance decomposed by the filter element in space B, since the volume of space A is smaller than that of space B, the target substance in space A
- the concentration is greater than the concentration of the target substance in space B. Therefore, according to whether the difference in concentration change
- the seventh threshold is preset, for example, it can be preset for the built-in program of the air purification device, or it can be set by the user, which is not limited.
- the life of the filter element may also be determined according to the real-time growth factor and the reference concentration growth factor.
- the difference between the real-time growth coefficient U1 and the reference concentration growth coefficient U2 is lower than the eighth threshold. If so, it indicates that the purification ability of the filter element is weak. , It can be determined that the life of the filter element is the end of life, if not, it is determined that the life of the filter element is not the end of life.
- the eighth threshold and the ninth threshold are preset, for example, may be preset for the built-in program of the air purification device, or may be set by the user, which is not limited.
- the ninth threshold is 50%
- the concentration C0 monitored when the filter element is used for the first time is 400 ppm
- the concentration obtained after the unit time ⁇ T is 450 ppm
- the concentration C4 of the target substance detected at the current moment is 420ppm
- the concentration C3 of the target substance detected at the previous moment is 400ppm
- the second attenuation amplitude D2
- /0.125 60%>50%
- the values of the first threshold, the second threshold, ..., the eighth threshold, and the ninth threshold may be the same or different, and there is no limitation on this.
- the present disclosure also proposes a filter element life monitoring device.
- FIG. 5 is a schematic structural diagram of a filter life monitoring device according to Embodiment 5 of the present disclosure.
- the filter element is used to decompose the pollutant to obtain the target substance.
- the filter element life monitoring device includes: a monitoring module 101 and a determination module 102.
- the monitoring module 101 is used to monitor the concentration of the target substance during the air purification process using the filter element.
- the filter element may be a formaldehyde removal filter element, and in this case, the target substance may be carbon dioxide.
- the determining module 102 is used to determine the life of the filter element according to the monitored concentration of the target substance.
- the determination module 102 is specifically configured to: obtain the concentration of the target substance before the air purification process starts; calculate the concentration difference, the concentration difference is the target substance's preset time period after the air purification process starts The concentration difference between the concentration and the concentration of the target substance before the start of the air purification process; according to the concentration difference, the life of the filter element is determined.
- the determination module 102 is specifically configured to: if the concentration difference is lower than the first threshold, determine the life of the filter element as the end of life.
- the determination module 102 is specifically used to: determine the concentration change amount per unit time according to the monitored target substance concentration; and determine the filter life according to the concentration change amount.
- the determination module 102 is specifically configured to: calculate the concentration change difference between the concentration change amount and the set reference concentration change amount; and determine the filter life according to the concentration change amount difference.
- the determination module 102 is specifically configured to: if the difference in concentration change is lower than the second threshold, determine the life of the filter element as the end of life.
- the determination module 102 is also used to: determine the amount of concentration change per unit time when the filter element is used for the first time based on the concentration monitored when the filter element is used for the first time; based on the concentration per unit time when the filter element is used for the first time Change amount, set the reference concentration change amount.
- the filter life monitoring device of the embodiment of the present disclosure monitors the concentration of the target substance during the air purification process using the filter, and determines the life of the filter according to the monitored concentration of the target substance, where the target substance is the filter for pollutants Decomposed.
- the purification ability and purification effect of the filter element can be determined, and further, the filter life can be determined according to the purification ability or purification effect, thereby, the filter life can be accurately identified, so that the filter life can not be identified incorrectly
- the related problems for example, can avoid the situation that the filter element at the end of life is still in service and degrades the purification performance, or can avoid the situation of wasting resources when the filter element is not replaced at the end of life.
- the present disclosure also proposes an air purification device, the air purification device includes a filter element, the filter element is used to decompose pollutants to obtain the target substance, the air purification device also includes: a memory, a processor and stored in the memory and A computer program that can be run on the processor. When the processor executes the program, the method for monitoring the life of the filter element as proposed in the foregoing embodiments of the present disclosure is implemented.
- the present disclosure also proposes a computer-readable storage medium on which a computer program is stored, which when executed by a processor implements the filter life monitoring method as proposed in the foregoing embodiments of the present disclosure.
- first and second are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features.
- the features defined as “first” and “second” may include at least one of the features explicitly or implicitly.
- the meaning of “plurality” is at least two, for example, two, three, etc., unless specifically defined otherwise.
- Any process or method description in a flowchart or otherwise described herein may be understood as representing a module, segment, or portion of code that includes one or more executable instructions for implementing custom logic functions or steps of a process , And the scope of the preferred embodiments of the present disclosure includes additional implementations, in which the functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, which shall It is understood by those skilled in the art to which the embodiments of the present disclosure belong.
- a "computer-readable medium” may be any device that can contain, store, communicate, propagate, or transmit a program for use by or in connection with an instruction execution system, apparatus, or device.
- computer-readable media include the following: electrical connections (electronic devices) with one or more wires, portable computer cartridges (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable and editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
- the computer-readable medium may even be paper or other suitable medium on which the program can be printed, because, for example, by optically scanning the paper or other medium, followed by editing, interpretation, or other appropriate if necessary Process to obtain the program electronically and then store it in computer memory.
- each functional unit in each embodiment of the present disclosure may be integrated into one processing module, or each unit may exist alone physically, or two or more units may be integrated into one module.
- the above integrated modules can be implemented in the form of hardware or software function modules. If the integrated module is implemented in the form of a software function module and sold or used as an independent product, it may also be stored in a computer-readable storage medium.
- the storage medium mentioned above may be a read-only memory, a magnetic disk or an optical disk.
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Claims (11)
- 一种滤芯寿命监测方法,其特征在于,所述滤芯用于对污染物质进行分解得到目标物质,所述方法包括以下步骤:在采用所述滤芯进行空气净化过程中,监测所述目标物质的浓度;根据监测到的所述目标物质的浓度,确定所述滤芯寿命。
- 根据权利要求1所述的滤芯寿命监测方法,其特征在于,所述根据监测到的所述目标物质的浓度,确定所述滤芯寿命,包括:获取空气净化过程开始前所述目标物质的浓度;计算浓度差值,所述浓度差值是空气净化过程开始后的预设时间段所述目标物质的浓度与所述空气净化过程开始前所述目标物质的浓度之间的浓度差值;根据所述浓度差值,确定所述滤芯寿命。
- 根据权利要求2所述的滤芯寿命监测方法,其特征在于,所述根据所述浓度差值,确定所述滤芯寿命,包括:若所述浓度差值低于第一阈值,确定所述滤芯寿命为寿命末期。
- 根据权利要求1所述的滤芯寿命监测方法,其特征在于,所述根据监测到的所述目标物质的浓度,确定所述滤芯寿命,包括:根据监测到的所述目标物质的浓度,确定单位时间内的浓度变化量;根据所述浓度变化量,确定所述滤芯寿命。
- 根据权利要求4所述的滤芯寿命监测方法,其特征在于,所述根据所述浓度变化量,确定所述滤芯寿命,包括:对所述浓度变化量,计算与设置的参考浓度变化量之间的浓度变化量差值;根据所述浓度变化量差值,确定所述滤芯寿命。
- 根据权利要求5所述的滤芯寿命监测方法,其特征在于,所述根据所述浓度变化量差值,确定所述滤芯寿命,包括:若所述浓度变化量差值低于第二阈值,确定所述滤芯寿命为寿命末期。
- 根据权利要求5或6所述的滤芯寿命监测方法,其特征在于,所述计算与设置的参考浓度变化量之间的浓度变化量差值之前,还包括:根据首次使用所述滤芯时监测到的浓度,确定首次使用所述滤芯时单位时间内的浓度变化量;根据首次使用所述滤芯时单位时间内的浓度变化量,设置所述参考浓度变化量。
- 根据权利要求1-7任一项所述的滤芯寿命监测方法,其特征在于,所述滤芯为除甲 醛滤芯;所述目标物质为二氧化碳。
- 一种滤芯寿命监测装置,其特征在于,所述滤芯用于对污染物质进行分解得到目标物质,所述装置包括:监测模块,用于在采用所述滤芯进行空气净化过程中,监测所述目标物质的浓度;确定模块,用于根据监测到的所述目标物质的浓度,确定所述滤芯寿命。
- 一种空气净化设备,其特征在于,所述空气净化设备包括滤芯,所述滤芯用于对污染物质进行分解得到目标物质,所述空气净化设备还包括:存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述程序时,实现如权利要求1-8中任一所述的滤芯寿命监测方法。
- 一种计算机可读存储介质,其上存储有计算机程序,其特征在于,该程序被处理器执行时实现如权利要求1-8中任一所述的滤芯寿命监测方法。
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