WO2019196016A1 - 空气净化装置及其滤网寿命估算方法 - Google Patents

空气净化装置及其滤网寿命估算方法 Download PDF

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Publication number
WO2019196016A1
WO2019196016A1 PCT/CN2018/082557 CN2018082557W WO2019196016A1 WO 2019196016 A1 WO2019196016 A1 WO 2019196016A1 CN 2018082557 W CN2018082557 W CN 2018082557W WO 2019196016 A1 WO2019196016 A1 WO 2019196016A1
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Prior art keywords
air
weight coefficient
air quality
filter
quality
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English (en)
French (fr)
Inventor
邢志钢
季振勤
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GD Midea Air Conditioning Equipment Co Ltd
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GD Midea Air Conditioning Equipment Co Ltd
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Priority to PCT/CN2018/082557 priority Critical patent/WO2019196016A1/zh
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/30—Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by ionisation
    • 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
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols

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  • the present invention relates to the field of air conditioning technology, and in particular to a method for estimating a filter life of an air cleaning device and an air purifying device for performing the method for estimating the life of the filter.
  • the present invention aims to solve at least one of the technical problems in the related art to some extent.
  • the first aspect of the present invention provides a method for estimating the filter life of an air purification device, which provides a more accurate method for estimating the life of the filter.
  • a method for estimating a filter life of an air cleaning device includes the steps of: detecting an air quality of an environment in which the air cleaning device is located; and obtaining an air mass weight coefficient corresponding to the air mass according to the air quality, wherein And the air quality weight coefficient is inversely proportional to the air quality; obtaining a cumulative weighted running time of the air purifying device according to the air mass weight coefficient and a real running time of the air purifying device; The run time determines the life of the filter.
  • a method of estimating the filter life of an air cleaning apparatus provides a more accurate method of estimating the life of the screen.
  • the method for estimating the filter life of the air cleaning device according to the above embodiment of the present invention may further have the following additional technical features:
  • the obtaining an air quality weight coefficient corresponding to the air quality according to the air quality comprises: comparing the air quality with a standard air quality; according to the air quality and standard air quality a difference between the air quality weight coefficients, wherein the air mass weight factor is 1 when the air mass is equal to the standard air mass; and when the air mass is lower than the standard air mass
  • the air mass weight coefficient is greater than 1 and the greater the difference between the air mass and the standard air mass, the greater the air mass weight coefficient; when the air mass is higher than the standard air mass
  • the air mass weight coefficient is less than 1 and the difference between the air mass and the standard air mass is larger, and the air mass weight coefficient is smaller.
  • the method further comprises: periodically updating the air quality weight coefficient according to the current air quality, so as to perform cumulative weighting operation on the air purification device according to the updated air quality weight coefficient; Time to update.
  • the method further includes: determining a wind gear position weight coefficient according to the air supply gear position, wherein the higher the air supply gear position, the larger the air supply gear position weight coefficient; And correcting the cumulative weighted running time according to the air supply position weight coefficient.
  • the method further comprises: determining a working mode weight coefficient according to the working mode; and correcting the cumulative weighting running time according to the working mode weight coefficient.
  • the work mode weights are determined based on a standard blow rate corresponding to the mode of operation.
  • the method further includes: determining an ion generation weight coefficient according to an ion generation amount, wherein the ion generation amount is larger, the ion generation weight coefficient is larger; according to the ion The generated weighting factor is corrected for the cumulative weighted running time.
  • the amount of ion generation is determined based on the structure of the ion generator and the voltage at which it occurs.
  • a second aspect of the invention also provides an air purification device.
  • the air purifying device performs a filter life estimating method of the air purifying device according to the foregoing embodiment.
  • the air cleaning device includes an air purifier, a fresh air system, and an air conditioner.
  • FIG. 1 is a flow chart showing a method of estimating a filter life of an air cleaning apparatus according to an embodiment of the present invention.
  • FIG. 2 is a schematic flow chart of a method for estimating the life of a filter in the related art.
  • Fig. 3 is a schematic view showing the comparison between the estimated life of the filter and its actual life under different environmental conditions in the related art.
  • the filter life calculation method used in the air purification apparatus in the related art can be referred to FIG.
  • the device After the machine is turned on, the device automatically records the length of its working time and accumulates the value. At regular intervals, the total running time that is accumulated by the program comparison exceeds the preset value. If the total running time obtained by the accumulation does not exceed the preset value, the running time is continuously accumulated; if the accumulated total running time exceeds The preset value reminds the user to replace and clean the air purifying filter, and after the user completes this action, the accumulated running time is cleared by manual or automatic setting method, and the accumulating is restarted.
  • the above method is an existing method for estimating the life of the screen.
  • the preset filter usage time is the same regardless of whether the air purification device works in a region with severe air pollution or in a region with good air quality.
  • the life of the filter is actually determined by the cumulative amount of pollutants removed by the filter, that is, the quality of the pollutants intercepted by the filter.
  • the actual life of the filter is short, while in areas with good air quality, the filter The actual life of the net is of course longer.
  • the filter A replacement reminder has occurred that has not reached its actual life, resulting in waste of filter life and unnecessary replacement and cleaning, see Figure 3.
  • the use of the purification device is mainly determined by local air environment factors, and the existing filter life calculation method based on the preset usage time cannot reflect the local air environmental factors into the calculation of the filter life, resulting in a filter.
  • the life calculation is biased, resulting in the problem that the filter failure is still in use or the filter life is wasted and the replacement is too frequent.
  • the present invention provides a method for estimating the life of a filter more accurately.
  • a method for estimating a filter life of an air cleaning device includes the following steps:
  • the air quality of the environment in which the air purification device is located is different for different regions. For example, in areas with serious pollution, the air quality of the environment is relatively poor, and there is no pollution or In areas with less pollution, the ambient air quality will be better.
  • the air quality weighting coefficient may be used to determine an air quality of an environment in which the air purification device is located, and for a region with poor air quality, the air quality weighting system shall It is high; in areas with good air quality, the air quality weighting factor will be low.
  • the air quality weight coefficient is inversely proportional to the air quality, that is, the better the air quality is, the smaller the air quality weighting coefficient is, and the worse the air quality is, the larger the air mass weighting coefficient is.
  • the air purifying device Obtaining a cumulative weighted running time of the air purifying device according to the air mass weight coefficient and a real running time of the air purifying device, in other words, in an area where the air mass weight coefficient is large (poor air quality), the air purifying device
  • the cumulative weighted operation time may be greater than the actual operation time, and in areas where the air quality weight coefficient is small (the air quality is good), the cumulative weighted running time of the air purification device may be less than its real running time.
  • the real running time refers to the natural time (time determined by a clock or the like).
  • the life of the filter is determined according to the cumulative weighted running time.
  • the weighted running time of the filter in the area with poor air quality may be greater than the actual use time, so that the filter can be cleaned in time. Or replacement; in areas with good air quality, the weighted running time of the filter may be less than its actual use time, thus extending the cleaning cycle of the filter.
  • the weighted running time of the filter screen is determined according to the control quality, and the actual service life of the filter screen can be determined according to the difference in air quality, and in areas with serious air pollution, Timely to determine whether the filter has reached its service life, in order to replace or clean the filter in time, thereby improving the performance of the filter, avoiding the problem of severe attenuation or failure of the filter performance; and in areas with good air quality, the filter The life calculation is more reasonable. After the filter reaches the real service life, it can be replaced or cleaned to avoid unnecessary waste, reduce maintenance costs and be more environmentally friendly.
  • the service life of the filter can be determined according to the filtering effect. For example, when the filtering effect of the filter can no longer meet the normal use of the air purifying device, the end of the service life of the filter is determined, or The adhesion of the contaminants on the filter screen is determined. When the contaminants on the filter screen are excessively attached, the end of the service life of the filter screen is determined.
  • the air quality weight coefficient can be determined according to different test methods. For example, determining a standard air quality does not require an addition of the air quality weight coefficient, and the air quality is lower than the standard air quality or the standard air quality. When it is good, it can be added by the air quality weight factor.
  • the filter is used for natural time, and when the air quality is lower than the standard air quality, the natural time is subtracted from the predetermined size as the actual use time of the filter.
  • the air quality is higher than the standard quality.
  • the natural time plus the predetermined size is used as the actual use time of the filter.
  • the use time of the filter screen is a cumulative parameter, which is determined according to the running time of the air purification device and other weighting parameters, and the results obtained by calculating the air purification device in different environments are accumulated to obtain the filter mesh. The length of use.
  • the present invention provides a method of calculating the air quality weight coefficient.
  • a method for obtaining an air quality weight coefficient corresponding to the air quality according to the air quality includes:
  • the air mass weight coefficient is 1;
  • the air mass weight coefficient is greater than 1 and the difference between the air mass and the standard air mass is greater, the air mass weight coefficient is larger;
  • the air mass weight coefficient is less than 1 and the difference between the air mass and the standard air mass is larger, the air mass weight coefficient is smaller.
  • the air quality weight coefficient is 1;
  • the air quality weight coefficient is recorded as 1.1, and when the current air quality is worse (the difference from the standard air quality is greater), the air quality weight coefficient is recorded as 1.2...
  • the air quality weight coefficient is recorded as 0.9, and when the current air quality is better (the difference from the standard air quality is greater), the air quality weight coefficient is recorded as 0.8...
  • a comparison table of air quality-air mass weight coefficients may be set. After detecting the obtained air quality, the air quality weight coefficient may be obtained by looking up the table; the air quality may be quantified, and the air quality weight coefficient may be obtained by a calculation formula.
  • the air quality may vary according to the weather and other conditions, and the corresponding air quality weight coefficient will also be changed according to the actual air quality, so it can be based on the current air quality. Update the air quality weight factor.
  • the method further includes periodically updating the air quality weight coefficient according to the current air quality to update the cumulative weighted running time of the air cleaning device according to the updated air quality weight coefficient.
  • the weighted running time H ⁇ f(h) ⁇ h determined according to the air quality, where f(h) is a function of the air mass weight coefficient determined according to the air quality detected at different times, and h refers to air purification
  • the device is running for a long time.
  • this is only the weighted operation time determined according to the air quality, and the air quality weighted operation time H can be determined more reasonably considering the other operating environments of the air purification device to achieve a more reasonable estimation of the filter life. result.
  • the above-described formula of the weighted running time determined according to the air quality is merely an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention.
  • the cumulative weighting time can also be determined by calculating other operating parameters of the air conditioner, such as according to the air supply gear position and the like.
  • the air flow rate has different effects on the filter back during the operation of the air purifying device, for example, when the air flow speed is fast, the air filtered by the filter net will increase, thereby increasing the impurities attached to the filter net; and when the air flow speed is slow.
  • the filter filtered air is reduced, and the impurities attached to the filter net are also reduced during the same time. This affects the life of the filter.
  • the method further includes: determining a wind gear position weight coefficient according to a wind blowing gear position, wherein the air blowing gear position is higher, the air blowing gear position The bit weight coefficient is larger; the cumulative weighted running time is corrected according to the air supply gear weight coefficient.
  • the air supply gear position means that the speed of the air supply device during the operation of the air purification device can also be understood as the air supply speed during the operation of the air purification device, the fan speed and the like.
  • the method further includes: determining a wind gear position weight coefficient according to the air supply wind speed, wherein the air supply gear position (or wind speed) is higher, the air supply gear position weight coefficient is larger; The air supply gear weight coefficient is corrected for the cumulative weighted running time.
  • the method for obtaining the air supply position weight coefficient corresponding to the air supply gear position according to the air supply gear position includes:
  • the air supply gear position weight coefficient is 1;
  • the air supply gear position weight coefficient is less than 1 and the difference between the air supply gear position and the standard air supply gear position is greater The smaller the weight coefficient of the air supply gear position;
  • the air supply gear position weight coefficient is greater than 1 and the difference between the air supply gear position and the standard air supply gear position is greater The air supply gear weight coefficient is larger.
  • the air supply gear position weight coefficient is 1;
  • the air supply position weight coefficient is recorded as 1.1, and when the current air supply position is worse (the difference from the standard air supply position is larger), the air supply is provided.
  • the gear weight coefficient is recorded as 1.2...;
  • the air supply position weight coefficient is recorded as 0.9, and when the current air supply position is better (the difference from the standard air supply position is larger), the air supply is provided.
  • the gear weight coefficient is recorded as 0.8...
  • a comparison table of the air supply gear position and the air supply gear position weight coefficient may be set, and after the air supply gear position is detected, the air supply gear position weight coefficient is obtained by looking up the table; the air supply gear position may also be quantized, and the calculation formula is passed. Obtain the air supply gear weight coefficient.
  • the specific determination manners (formulas, look-up tables, etc.) of the air-sending gear weight coefficient are all specific embodiments of the present invention, and are not intended to limit the scope of the present invention.
  • the service life of the filter screen is different, for example, an air purifying device having several working modes of cooling, heating, and air supply, according to cooling, heating, and air supply.
  • the working life of the filter is calculated by different working modes.
  • the working mode weight coefficient of the filter when the air is blown is defined as 1.
  • the working mode weight coefficient is defined as other values.
  • the specific value of the working mode weight coefficient in the cooling and heating mode needs to be determined according to the experiment. For different models, the same working mode (such as cooling, heating, air supply, etc.) The weight coefficient of the working mode under one) is not the same.
  • not all air purifying devices have the working modes of cooling, heating, and air supply, and not all air purifying devices have only working modes of cooling, heating, and air supply, in some air.
  • the purification device also has a working mode of sterilization, dehumidification and the like.
  • the method further comprises: determining a working mode weight coefficient according to the working mode; and correcting the cumulative weighting running time according to the working mode weight coefficient.
  • the different operating modes correspond to different standard air supply quantities, which are determined according to a standard air supply amount corresponding to the operating mode.
  • the working mode weight coefficient can also be determined according to other aspects. For example, under refrigeration conditions, the indoor humidity is relatively low. At this time, the pollutant attached to the filter screen will increase. At this time, the working mode right should be increased. The coefficient, while in the humidification mode, the contaminants attached to the filter screen may be reduced. At this time, the working mode weight coefficient should be reduced.
  • an ion generator is provided, and the ion generating weight coefficient of the ion generator can be determined according to the example generator, thereby modifying the cumulative weighted running time according to the ion generating weight coefficient.
  • the method further includes: determining an ion generation weight coefficient according to an ion generation amount, wherein the ion generation amount is larger, the ion generation weight coefficient is larger; according to the ion The generated weighting factor is corrected for the cumulative weighted running time.
  • the ion generation weight coefficient can be determined according to the following method:
  • the ion generation weight coefficient is 1;
  • the ion generation weight coefficient is less than 1 and the difference between the ion generation amount and the ion generation amount is larger, the ion generation amount The greater the weight coefficient;
  • the ion generation weight coefficient is greater than 1 and the difference between the ion generation amount and the ion generation amount is larger, the ion generation amount The smaller the weight coefficient.
  • the ion generation weight coefficient is 1;
  • the ion generation weight coefficient is recorded as 1.1, and when the current ion generation amount is larger (the difference from the standard ion generation amount is larger), the ion generation weight coefficient is recorded as 1.2. ...;
  • the ion generation weight coefficient is recorded as 0.9, and when the current ion generation amount is smaller (the difference from the standard ion generation amount is larger), the ion generation weight coefficient is recorded as 0.8. ....
  • a comparison table of the ion generation amount-ion generation weight coefficient can be set, and after detecting the ion generation amount, the ion generation amount weight coefficient can be obtained by looking up the table; the ion generation amount can also be quantized, and the ion generation amount weight can be obtained by the calculation formula. coefficient.
  • the specific determination manner (formula, look-up table, etc.) of the above-mentioned ion generation weight coefficient is a specific embodiment of the present invention, and is not intended to limit the scope of the present invention.
  • the amount of ion generation is determined according to the structure of the ion generator and the voltage at which it occurs.
  • 1 is a method for estimating the life of a filter provided by the present invention, which relies on a cumulative weighted running time H to determine the life of the filter, and the cumulative weighted running time is determined by the real running time h, the air mass weight coefficient A, and the air supply gear position.
  • the product of the weight coefficient B, the working mode weight coefficient C, and the ion generating weight coefficient D is determined, wherein the real running time h and the air mass weight coefficient A are mandatory for the cumulative weighted running time length H, and the air supply gear weight coefficient B.
  • the working mode weight coefficient C and the ion generating weight coefficient D are optional of the cumulative weighted running time H.
  • Air quality weight coefficient A When the air purification device is turned on, the air quality index of the initial environment can be measured by the air quality sensor. In the method, different air quality weight coefficients A are determined for different initial ambient air quality indices, and if the initial ambient air quality index is poor, the air mass weight coefficients A are larger, and vice versa. During the operation, every time period, that is, the cumulative weighted running time H is calculated and updated by the air quality weight coefficient A, and the air quality index is retested by the air quality sensor.
  • the air quality index is not worse than the initial state, Calculate the air quality weight coefficient A based on the initial environment air quality index or the current air quality index, and cycle the update of the next cumulative weighted operation time length H; if the air quality index is detected to be worse than the initial state, it must be based on the current air
  • the quality index calculates the air quality weight coefficient A and cycles through the update of the next cumulative weighted running time length H.
  • Air supply gear weight coefficient B During the operation of the air purification device, different air supply gears have different airflows, so under the same ambient air quality, different air supply gear filters filter air pollutants. The speed is also different, resulting in a difference in the speed of the filter life. Therefore, setting the air supply gear weight coefficient B is to reflect the difference in the speed of the filter life in order to reflect the difference in the air supply gear position. When the air supply speed is high, the air supply gear weight coefficient B also needs to take a larger value, and vice versa.
  • Working mode weight coefficient C Similar to the air supply gear weight coefficient B, in different working modes (refrigeration, heating, air supply, etc.), the air volume is also different, resulting in a difference in the consumption speed of the filter life. .
  • the working mode weight coefficient C is set to reflect this difference.
  • the value principle is similar to the air supply gear weight coefficient B. In the high air volume mode, the C value is larger, and vice versa.
  • Ion generation weight coefficient D In air purification devices, the effect of air purification is often increased by releasing ions. In other words, the ions are often accelerated to capture the target pollutants. Therefore, the amount of ions is the same. It is an important factor affecting the speed of the filter life, and the amount of ion generation can be determined by the structure of the ion generator and the generated voltage.
  • the setting of the ion generation weight coefficient D is to reflect the influence of the amount of ions on the life consumption speed of the filter. When the amount of ions is large and the effect of enhancing the air purification is obvious, a large amount of ions should be taken. The weight coefficient D and vice versa.
  • the air quality weight coefficient determined according to the time h is A(h)
  • the air supply weight coefficient determined according to the time h is B(h)
  • the working mode weight coefficient determined according to the time h is C ( h)
  • the ion generation weight coefficient determined according to the time h is D(h).
  • the cumulative weighted runtime H can be determined according to the following formula:
  • the multi-factor weighted estimation method for filter life proposed by the present invention comprehensively considers the influence of running time, working environment air quality, air supply position, working mode and ion generation on the life of the filter, and reasonable setting of various rights
  • the coefficient can make the estimated life of the filter equal to the real life of the filter, so as to accurately evaluate the actual service life of the filter in different environments, avoiding the use of filter failure in areas with serious air pollution, or in areas with good air quality. Problems such as frequent network changes. It is worth mentioning that, for products with a wide sales area, the ambient air quality of the use area often differs greatly. Therefore, the method of the invention has more obvious application value.
  • a second aspect of the present invention also provides an air purifying apparatus that performs a screen life estimating method of the air purifying apparatus according to the foregoing embodiment.
  • the estimated life of the filter can be made equal to the real life of the filter, thereby accurately estimating the actual service life of the filter in different environments and avoiding occurrence.
  • the filter is still in use, or in areas with good air quality, and the filter replacement is too frequent.
  • the air cleaning device includes an air purifier, a fresh air system, and an air conditioner.
  • the air purifying device of the present invention may also be other devices.

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Abstract

一种空气净化装置及其滤网寿命估算方法，包括以下步骤：检测空气净化装置所处环境的空气质量；根据所述空气质量得到对应于所述空气质量的空气质量权系数；根据所述空气质量权系数和所述空气净化装置的真实运行时间得到所述空气净化装置的累计加权运行时间；根据所述累计加权运行时间确定所述滤网的寿命。

Description

空气净化装置及其滤网寿命估算方法 技术领域
本发明涉及空气调节技术领域，特别涉及一种空气净化装置的滤网寿命估算方法和执行该滤网寿命估算方法的空气净化装置。
背景技术
相关技术中，根据滤网的累计时间运行判断是否需要清理或更换滤网，在不同运行条件下滤网的清理或更换的周期完全相同，造成一些条件下滤网的更换或清理周期远低于其实际可使用的周期，而在另一些条件下滤网的更换或清理周期过长。
发明内容
本发明旨在至少在一定程度上解决相关技术中的技术问题之一。为此，本发明第一方面在于提出一种空气净化装置的滤网寿命估算方法，提供了一种更精确的滤网寿命估算方法。
根据本发明实施例的空气净化装置的滤网寿命估算方法，包括以下步骤：检测空气净化装置所处环境的空气质量；根据所述空气质量得到对应于所述空气质量的空气质量权系数，其中，所述空气质量权系数与所述空气质量呈反比例关系；根据所述空气质量权系数和所述空气净化装置的真实运行时间得到所述空气净化装置的累计加权运行时间；根据所述累计加权运行时间确定所述滤网的寿命。
根据本发明实施例的空气净化装置的滤网寿命估算方法，提供了一种更精确的滤网寿命估算方法。
另外，根据本发明上述实施例的空气净化装置的滤网寿命估算方法，还可以具有如下附加的技术特征：
在本发明的一个实施例中，所述根据所述空气质量得到对应于所述空气质量的空气质量权系数，包括：比较所述空气质量与标准空气质量；根据所述空气质量与标准空气质量之间的差值得到所述空气质量权系数，其中，当所述空气质量等于所述标准空气质量时，所述空气质量权系数为1；当所述空气质量低于所述标准空气质量时，所述空气质量权系数大于1且所述空气质量与所述标准空气质量之间的差值越大，所述空气质量权系数越大；当所述空气质量高于所述标准空气质量时，所述空气质量权系数小于1且所述空气质量与所述标准空气质量之间的差值越大，所述空气质量权系数越小。
在本发明的一个实施例中，所述方法还包括：定期根据当前的空气质量对所述空气质量权系数进行更新，以便根据更新后的空气质量权系数对所述空气净化装置的累计加权运行时间进行更新。
在本发明的一个实施例中，所述方法还包括：根据送风档位确定送风档位权系数，其中，所述送风档位越高，所述送风档位权系数越大；根据所述送风档位权系数对所述累计加权运行时间修正。
在本发明的一个实施例中，所述方法还包括：根据工作模式确定工作模式权系数；根据所述工作模式权系数对所述累计加权运行时间修正。
在本发明的一个实施例中，其中，不同的工作模式对应于不同的标准送风量，所述工作模式权系数是根据对应于所述工作模式的标准送风量确定的。
在本发明的一个实施例中，所述方法还包括：根据离子发生量确定离子发生量权系数，其中，所述离子发生量越大，所述离子发生量权系数越大；根据所述离子发生量权系数对所述累计加权运行时间修正。
在本发明的一个实施例中，所述离子发生量为根据离子发生器的结构和发生电压确定的。
本发明第二方面还提出了一种空气净化装置。所述空气净化装置执行根据前述实施例所述的空气净化装置的滤网寿命估算方法。
在本发明的一个实施例中，所述空气净化装置包括空气净化器、新风系统和空调器。
附图说明
图1是本发明一个实施例的空气净化装置的滤网寿命估算方法的流程示意图。
图2是相关技术中滤网寿命估算方法的流程示意图。
图3是相关技术中滤网估算寿命和其实际寿命在不同的环境条件下的对比示意图。
具体实施方式
相关技术中的空气净化设备中使用的滤网寿命计算方法可以参考图2。在开机运行后，设备会自动记录其工作时间长度，并对该数值进行累加。每隔一定的时间周期，会通过程序比较累加得到的总运行时长是否超过预设值，如果累加得到的总运行时长没有超过预设值，则继续累加运行时长；如果累加得到的总运行时长超过预设值，则提醒用户更换和清洗空气净化滤网，并在用户完成这一动作后，通过手动或自动置位方法，累加运行时长清零，并重新开始进行累加。上述方法即为现有的滤网寿命估计方法。
按照这种基于累计运行时长判定滤网寿命的计算方法，不论空气净化装置在空气污染 严重地区工作，还是在空气质量良好地区工作，其预设的滤网使用时间是一样的。
但是，滤网寿命事实上是由滤网的累计污染物净化量，即滤网累计拦截的污染物质量决定，在空气污染严重地区，滤网实际寿命较短，而在空气质量良好地区，滤网的实际寿命当然比较长。按照现有的滤网预设使用时间的方法进行判定，会导致在空气污染严重地区，滤网超过其实际寿命但仍然在使用，出现性能严重衰减甚至失效；而在空气质量良好地区，滤网没有达到其实际寿命就已经出现更换提醒，造成滤网寿命的浪费及不必要的更换和清洗，参照图3。
总而言之，净化装置使用负荷主要由当地空气环境因素决定，而采用现有的基于预设使用时间的滤网寿命计算方法，无法将当地空气环境因素反映到滤网寿命的计算之中，造成滤网寿命计算偏差，从而导致了滤网失效仍在使用或滤网寿命浪费，更换过于频繁的问题。
为此，本发明提供了一种可以更加精确地估算滤网寿命的方法。
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
参照图1，根据本发明实施例的空气净化装置的滤网寿命估算方法，包括以下步骤：
检测空气净化装置所处环境的空气质量，对于不同的地区，空气净化装置所处环境的空气质量并不相同，例如，在污染比较严重的区域，环境的空气质量比较差，而在没有污染或污染不严重的区域，环境空气质量会比较好。
根据所述空气质量得到对应于所述空气质量的空气质量权系数，其中空气质量加权系数可以用来确定空气净化装置所处环境的空气质量，对于空气质量较差的区域，空气质量加权系统应当偏高；而在空气质量较好的区域，空气质量加权系数会偏低。换句话说，所述空气质量权系数与所述空气质量呈反比例关系，也就是说，空气质量越好则空气质量加权系数越小，空气质量越差则空气质量加权系数越大。
根据所述空气质量权系数和所述空气净化装置的真实运行时间得到所述空气净化装置的累计加权运行时间，换言之，在空气质量权系数较大(空气质量较差)的区域，空气净化装置累计加权运行的时间可能会大于其真实运行的时间，而在空气质量权系数较小(空气质量较好)的区域，空气净化装置累计加权运行时间可能会小于其真实运行时间。其中，真实运行时间是指自然时间(由钟表等确定的时间)。
最后，根据所述累计加权运行时间确定所述滤网的寿命，此时，在空气质量较差的区域滤网的加权运行时间可能会大于其真实使用时间，从而可以及时地对滤网进行清理或更换；而在空气质量较好的区域，滤网的加权运行时间可能会小于其真实使用时间，从而可 以延长滤网的清理周期。
根据本发明实施例的空气净化装置的滤网寿命估算方法，根据控制质量确定滤网的加权运行时间，可以根据空气质量的不同，判定滤网的实际使用寿命，在空气污染严重的地区，可以及时地判断出滤网是否达到了其使用寿命，以便于及时更换或清洗滤网，从而提高滤网的性能，避免出现滤网性能严重衰减或失效的问题；而在空气质量良好地区，滤网的寿命计算更加合理，在滤网达到真实的使用寿命后，再进行更换或清洗，避免不必要的浪费，降低维护成本且更加环保。
需要指出的事，滤网的使用寿命可以依照其过滤效果来确定，例如，在滤网的过滤效果已经无法满足空气净化装置的正常使用时，则判定滤网的使用寿命终结，又或者可以根据滤网上的污染物附着情况确定，在滤网上的污染物附着过多时，则判定滤网的使用寿命终结。
本发明中，可以根据不同的测试方法来确定空气质量权系数，例如，确定一个标准空气质量，可不需要通过空气质量权系数进行加成，而在空气质量比标准空气质量差或者比标准空气质量好时，则可以通过空气质量权系数进行加成。
例如，标准空气质量下，滤网的使用时间为自然时间，而在空气质量低于标准空气质量时，以自然时间减去预定大小作为滤网的实际使用时间，在空气质量高于标准质量时，以自然时间加上预定大小作为滤网的实际使用时间。
另外，需要说明的是，滤网的使用时间是一个累积的参数，根据空气净化设备的运行时间以及其他加权参数来确定，将空气净化装置在不同环境下计算获得的结果进行累积获得滤网的使用时长。
本发明提供了一种空气质量权系数的计算方式。
如图1所示，在本发明的一个实施例中，根据所述空气质量得到对应于所述空气质量的空气质量权系数的方法包括：
比较所述空气质量与标准空气质量；
根据所述空气质量与标准空气质量之间的差值得到所述空气质量权系数，
其中，当所述空气质量等于所述标准空气质量时，所述空气质量权系数为1；
当所述空气质量低于所述标准空气质量时，所述空气质量权系数大于1且所述空气质量与所述标准空气质量之间的差值越大，所述空气质量权系数越大；
当所述空气质量高于所述标准空气质量时，所述空气质量权系数小于1且所述空气质量与所述标准空气质量之间的差值越大，所述空气质量权系数越小。
举例而言，在当前空气质量等于标准空气质量时，空气质量权系数为1；
在当前空气质量差于标准空气质量时，空气质量权系数记录为1.1，而在当前空气质量 更差(与标准空气质量的差距更大)时，空气质量权系数记录为1.2…；
在当前空气质量优于标准空气质量时，空气质量权系数记录为0.9，而在当前空气质量更好(与标准空气质量的差距更大)时，空气质量权系数记录为0.8…。
另外，可以设置空气质量-空气质量权系数的对照表，检测获得空气质量后，查表获得空气质量权系数；也可以将空气质量量化，而通过计算公式获得空气质量权系数。
当然，上述关于空气质量权系数的具体确定方式(公式、查表等)均是本发明的具体实施方式，并非是对本发明保护范围的限制。
在空气净化装置的实际使用过程中，空气质量可能会根据天气等条件的不同而变化，对应地空气质量权系数也将会根据实际空气质量的不同而进行改变，因此，可以根据当前的空气质量对空气质量权系数进行更新。
具体而言，所述方法还包括：定期根据当前的空气质量对所述空气质量权系数进行更新，以便根据更新后的空气质量权系数对所述空气净化装置的累计加权运行时间进行更新。
此时，根据空气质量确定的加权运行时长H＝∑f(h)×h，其中，f(h)为根据不同时间检测的空气质量确定的空气质量权系数的函数，而h是指空气净化装置运行时长。另外，需要指出的是，这仅仅是根据空气质量确定的加权运行时长，还可以综合考虑空气净化装置的其它运行环境更加合理地确定空气质量加权运行时长H，以实现更加合理地滤网寿命估算结果。而且上述描述的根据空气质量确定的加权运行时长的公式，也仅仅是本发明的一个示例性的实施例，并非是对本发明保护范围的限制。
例如，还可以通过计算空调器的其它运行参数确定累积加权时间，例如根据送风档位等。
由于空气净化装置运行过程中，不同的气流速度对于滤网回产生不同的影响，例如气流速度快时，滤网过滤的空气会增大，从而增大滤网上附着的杂质；而气流速度慢时，滤网过滤的空气减少，在相同时间里，滤网上附着的杂质也会减少。从而影响滤网的使用寿命。
如图1所示，在本发明的一个实施例中，所述方法还包括：根据送风档位确定送风档位权系数，其中，所述送风档位越高，所述送风档位权系数越大；根据所述送风档位权系数对所述累计加权运行时间修正。
这里需要指出的是，送风档位是指：空气净化装置运行过程中，送风装置运行的转速，也可以理解为空气净化装置运行过程中的送风速度、风机转速等等。
因此，换言之，所述方法还包括：根据送风风速确定送风档位权系数，其中，所述送风档位(或者风速)越高，所述送风档位权系数越大；根据所述送风档位权系数对所述累计加权运行时间修正。
根据所述送风档位得到对应于所述送风档位的送风档位权系数的方法包括：
比较所述送风档位与标准送风档位；
根据所述送风档位与标准送风档位之间的差值得到所述送风档位权系数，
其中，当所述送风档位等于所述标准送风档位时，所述送风档位权系数为1；
当所述送风档位低于所述标准送风档位时，所述送风档位权系数小于1且所述送风档位与所述标准送风档位之间的差值越大，所述送风档位权系数越小；
当所述送风档位高于所述标准送风档位时，所述送风档位权系数大于1且所述送风档位与所述标准送风档位之间的差值越大，所述送风档位权系数越大。
举例而言，在当前送风档位等于标准送风档位时，送风档位权系数为1；
在当前送风档位高于标准送风档位时，送风档位权系数记录为1.1，而在当前送风档位更差(与标准送风档位的差距更大)时，送风档位权系数记录为1.2…；
在当前送风档位低于标准送风档位时，送风档位权系数记录为0.9，而在当前送风档位更好(与标准送风档位的差距更大)时，送风档位权系数记录为0.8…。
另外，可以设置送风档位-送风档位权系数的对照表，检测获得送风档位后，查表获得送风档位权系数；也可以将送风档位量化，而通过计算公式获得送风档位权系数。
当然，上述关于送风档位权系数的具体确定方式(公式、查表等)均是本发明的具体实施方式，并非是对本发明保护范围的限制。
另外，在空气净化装置处于不同的工作模式下下，滤网的使用寿命不相同，例如，具有制冷、制热、送风几种工作模式的空气净化装置，根据制冷、制热、送风这几种工作模式的不同来计算滤网的使用寿命，例如，将滤网在送风时的工作模式权系数定义为1，制冷、制热模式下，工作模式权系数定义为其它值，当然，根据实际空气净化装置的种类、结构不同，制冷制热模式下工作模式权系数的具体数值需要根据实验确定，对于不同的机型，同一种工作模式(例如制冷、制热、送风等中的一个)下的工作模式权系数并不相同。
而且，还需要指出的是，并非所有的空气净化装置都有制冷、制热、送风这些工作模式，也并非所有的空气净化装置都只有制冷、制热、送风这些工作模式，在一些空气净化装置中，还具有杀菌、除湿等等工作模式。
在本发明的一个实施例中，所述方法还包括：根据工作模式确定工作模式权系数；根据所述工作模式权系数对所述累计加权运行时间修正。
进一步地，不同的工作模式对应于不同的标准送风量，所述工作模式权系数是根据对应于所述工作模式的标准送风量确定的。
另外，工作模式权系数还可以根据其他的方面确定，例如，在制冷条件下，室内湿度比较低，此时，在滤网上附着的污染物就会增大，此时，应当增大工作模式权系数，而在 加湿模式下，滤网上附着的污染物可能会减小，此时，应当减小工作模式权系数。
当然，这些对工作模式权系数的确定方式仅仅是本发明的一些具体示例，并非是对本发明保护范围的限制。
在一些空气净化装置上，设置了离子发生器，可以根据例子发生器来确定离子发生器的离子发生量权系数，从而根据离子发生量权系数来修改累积加权运行时间。
在本发明的一个实施例中，所述方法还包括：根据离子发生量确定离子发生量权系数，其中，所述离子发生量越大，所述离子发生量权系数越大；根据所述离子发生量权系数对所述累计加权运行时间修正。
例如，离子发生量越大，则空气电离的情况越好，此时，滤网吸附的杂质增多，可以增大例子发生量。
进一步地，可以根据如下方法确定离子发生量权系数：
比较离子发生量与标准离子发生量；
根据所述离子发生量与标准离子发生量之间的差值得到所述离子发生量权系数，
其中，当所述离子发生量等于所述标准离子发生量时，所述离子发生量权系数为1；
当所述离子发生量低于所述标准离子发生量时，所述离子发生量权系数小于1且所述离子发生量与所述离子发生量之间的差值越大，所述离子发生量权系数越大；
当所述离子发生量高于所述标准离子发生量时，所述离子发生量权系数大于1且所述离子发生量与所述离子发生量之间的差值越大，所述离子发生量权系数越小。
举例而言，在当前离子发生量等于标准离子发生量时，离子发生量权系数为1；
在当前离子发生量大于标准离子发生量时，离子发生量权系数记录为1.1，而在当前离子发生量更大(与标准离子发生量的差距更大)时，离子发生量权系数记录为1.2…；
在当前离子发生量小于标准离子发生量时，离子发生量权系数记录为0.9，而在当前离子发生量更小(与标准离子发生量的差距更大)时，离子发生量权系数记录为0.8…。
另外，可以设置离子发生量-离子发生量权系数的对照表，检测获得离子发生量后，查表获得离子发生量权系数；也可以将离子发生量量化，而通过计算公式获得离子发生量权系数。
当然，上述关于离子发生量权系数的具体确定方式(公式、查表等)均是本发明的具体实施方式，并非是对本发明保护范围的限制。
优选地，所述离子发生量为根据离子发生器的结构和发生电压确定的。
图1为本发明给出的滤网寿命估算方法，其依靠累积加权运行时长H来对滤网寿命进行判定，而累积加权运行时长由真实运行时长h、空气质量权系数A、送风档位权系数B、工作模式权系数C、离子发生量权系数D的乘积确定，其中，真实运行时长h和空气质量 权系数A为累积加权运行时长H确定的必选项，而送风档位权系数B、工作模式权系数C和离子发生量权系数D为累积加权运行时长H的可选项。下面分别对这些权系数进行说明：
1、空气质量权系数A：在空气净化装置开机运行时，可以通过空气质量传感器测得初始环境的空气质量指数。在本方法中，对不同的初始环境空气质量指数，确定不同的空气质量权系数A，如果初始环境空气质量指数较差，则空气质量权系数A较大，反之亦然。在运行过程中，每隔一段时长，即利用空气质量权系数A计算并更新累积加权运行时长H，并通过空气质量传感器重新测试空气质量指数，如果检测到空气质量指数不差于初始状态，可以基于初始环境的空气质量指数或当前的空气质量指数计算空气质量权系数A，并循环进行下一次累积加权运行时长H的更新；如果检测到空气质量指数差于初始状态，则必须基于当前的空气质量指数计算空气质量权系数A，并循环进行下一次累积加权运行时长H的更新。
2、送风档位权系数B：在空气净化装置运行过程中，不同的送风档位对应的通过风量不同，因此在相同的环境空气质量下，不同送风档位滤网过滤空气污染物的速度也不同，导致滤网寿命的消耗速度存在差异。因此，设置送风档位权系数B正是为了反映送风档位的不同，给滤网寿命消耗速度带来的差异。当送风速度较高时，送风档位权系数B也需取较大值，反之亦然。
3、工作模式权系数C：与送风档位权系数B类似，在不同的工作模式(制冷、制热、送风等)下，通过风量也存在不同，导致滤网寿命的消耗速度存在差异。工作模式权系数C的设置正是为了反映这一差异，其取值原则与送风档位权系数B类似，在风量较高的模式下，C值取得较大，反之亦然。
4、离子发生量权系数D：在空气净化装置中，往往通过释放离子来增加空气净化效果，换句话说，往往通过释放离子来加速滤网对目标污染物的捕捉，因此，离子发生量同样是影响滤网寿命消耗速度的重要因素，而离子发生量可由离子发生器的结构和发生电压共同确定。离子发生量权系数D的设置，正是为了反映离子发生量对滤网寿命消耗速度的影响，当离子发生量较大，对空气净化效果增强效果较明显时，应取较大的离子发生量权系数D，反之亦然。
其中，举例而言，根据时间h确定的空气质量权系数为A(h)、根据时间h确定的送风档位权系数为B(h)、根据时间h确定的工作模式权系数为C(h)、根据时间h确定的离子发生量权系数为D(h)。累积加权运行时长H可以根据如下公式确定：
H＝∑A(h)×B(h)×C(h)×D(h)×h
总而言之，本发明提出的滤网寿命多因素加权估计方法，综合考虑了运行时长、工作环境空气质量、送风档位、工作模式和离子发生量对滤网寿命的影响，通过合理设置各种 权系数，可以使得滤网估计寿命约等于滤网真实寿命，从而准确评估在不同环境下，滤网的实际使用寿命，避免出现空气污染严重地区滤网失效仍在使用，或空气质量良好地区，滤网更换过于频繁之类的问题。值得一提的是，对于销售区域较广的产品，其使用区域环境空气质量往往差别较大，因此采用本发明的方法，具备更加明显的应用价值。
本发明第二方面还提出了一种空气净化装置，所述空气净化装置执行根据前述实施例所述的空气净化装置的滤网寿命估算方法。
根据本发明实施例的空气净化装置，由于执行前述的滤网寿命估算方法，可以使得滤网估计寿命约等于滤网真实寿命，从而准确评估在不同环境下，滤网的实际使用寿命，避免出现空气污染严重地区滤网失效仍在使用，或空气质量良好地区，滤网更换过于频繁之类的问题。
在本发明的一个实施例中，所述空气净化装置包括空气净化器、新风系统和空调器。当然，本发明的空气净化装置还可以为其它设备。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (10)

  1. 一种空气净化装置的滤网寿命估算方法，其特征在于，包括以下步骤：
    检测空气净化装置所处环境的空气质量；
    根据所述空气质量得到对应于所述空气质量的空气质量权系数，其中，所述空气质量权系数与所述空气质量呈反比例关系；
    根据所述空气质量权系数和所述空气净化装置的真实运行时间得到所述空气净化装置的累计加权运行时间；
    根据所述累计加权运行时间确定所述滤网的寿命。
  2. 根据权利要求1所述的空气净化装置的滤网寿命估算方法，其特征在于，所述根据所述空气质量得到对应于所述空气质量的空气质量权系数，包括：
    比较所述空气质量与标准空气质量；
    根据所述空气质量与标准空气质量之间的差值得到所述空气质量权系数，其中，
    当所述空气质量等于所述标准空气质量时，所述空气质量权系数为1；
    当所述空气质量低于所述标准空气质量时，所述空气质量权系数大于1且所述空气质量与所述标准空气质量之间的差值越大，所述空气质量权系数越大；
    当所述空气质量高于所述标准空气质量时，所述空气质量权系数小于1且所述空气质量与所述标准空气质量之间的差值越大，所述空气质量权系数越小。
  3. 根据权利要求1所述的空气净化装置的滤网寿命估算方法，其特征在于，还包括：
    定期根据当前的空气质量对所述空气质量权系数进行更新，以便根据更新后的空气质量权系数对所述空气净化装置的累计加权运行时间进行更新。
  4. 根据权利要求1-3任一项所述的空气净化装置的滤网寿命估算方法，其特征在于，还包括：
    根据送风档位确定送风档位权系数，其中，所述送风档位越高，所述送风档位权系数越大；
    根据所述送风档位权系数对所述累计加权运行时间修正。
  5. 根据权利要求1-4中任一项所述的空气净化装置的滤网寿命估算方法，其特征在于，还包括：
    根据工作模式确定工作模式权系数；
    根据所述工作模式权系数对所述累计加权运行时间修正。
  6. 根据权利要求5所述的空气净化装置的滤网寿命估算方法，其特征在于，其中，不同的工作模式对应于不同的标准送风量，所述工作模式权系数是根据对应于所述工作模式的标准送风量确定的。
  7. 根据权利要求1-6中任一项所述的空气净化装置的滤网寿命估算方法，其特征在于，还包括：
    根据离子发生量确定离子发生量权系数，其中，所述离子发生量越大，所述离子发生量权系数越大；
    根据所述离子发生量权系数对所述累计加权运行时间修正。
  8. 根据权利要求1-7中任一项所述的空气净化装置的滤网寿命估算方法，其特征在于，所述离子发生量为根据离子发生器的结构和发生电压确定的。
  9. 一种空气净化装置，其特征在于，执行根据权利要求1-8任一项所述的空气净化装置的滤网寿命估算方法。
  10. 根据权利要求9所述的空气净化装置，其特征在于，所述空气净化装置包括空气净化器、新风系统和空调器。
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