CN107121450A - The detection method and device of air cleaning facility, filter core - Google Patents
The detection method and device of air cleaning facility, filter core Download PDFInfo
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- CN107121450A CN107121450A CN201710300546.2A CN201710300546A CN107121450A CN 107121450 A CN107121450 A CN 107121450A CN 201710300546 A CN201710300546 A CN 201710300546A CN 107121450 A CN107121450 A CN 107121450A
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- temperature
- filter core
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- change
- use state
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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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
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
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Abstract
The disclosure is directed to the detection method and device of a kind of air cleaning facility, filter core.The detection method of the filter core can include：The rate of temperature change of the temperature sensor in air cleaning facility is determined, the temperature sensor is arranged on the air outlet side of the air cleaning facility；The use state of the filter core is determined according to the rate of temperature change.The air cleaning facility of the disclosure, the detection method and device of filter core, can be detected to the use state of filter core, and can accurately judge the residual life of filter core, and realize that difficulty is smaller.
Description
Technical field
This disclosure relates to terminal device technical field, more particularly to a kind of air cleaning facility, filter core detection method and
Device.
Background technology
Concern with people to air quality, air cleaning facility is gradually popularized in the places such as family, work.Air
Filter core in cleaning equipment can carry out adsorption filtration to the impurity in air such as PM2.5, PM3.0.As air cleaning is set
Standby use, the impurity of cartridge surface absorption is more and more, so that the circulation of filter core inner air and outer air is obstructed, influences air quantity.Filter core
Air purification effect will be directly influenced, so being detected most important to air cleaning facility to the life-span of filter core.
In correlation technique, filter core residual life mainly is estimated by calculating air cleaning facility accumulated running time, this
The method of kind is that simply filter core residual life is mapped with run time, and simply considers or do not examine on this basis
Consider the influence of air quality.Due to the air quality dynamic change of air cleaning facility local environment, air quality is to the filter core longevity
The influence of life is very big, and clarifier rotation speed of the fan can also influence clean-up effect, therefore this method can not reflect exactly
Filter core residual life.
The content of the invention
To overcome problem present in correlation technique, the disclosure provides a kind of air cleaning facility, the detection method of filter core
And device.
According to the first aspect of the embodiment of the present disclosure there is provided a kind of air cleaning facility, including：
Filter core；
Temperature sensor, the temperature sensor is arranged on the air outlet side of the air cleaning facility；
The detection means of filter core, the temperature for the temperature sensor that the detection means of the filter core is used in air cleaning facility
Rate of change, determines the use state of the filter core.
For described air cleaning facility, in a kind of possible implementation, the resistance of the temperature sensor with
Temperature linearity changes.
According to the second aspect of the embodiment of the present disclosure there is provided a kind of detection method of filter core, including：
The rate of temperature change of the temperature sensor in air cleaning facility is determined, the temperature sensor is arranged on the sky
The air outlet side of gas cleaning equipment；
The use state of the filter core is determined according to the rate of temperature change.
For the detection method of described filter core, in a kind of possible implementation, determine in air cleaning facility
The rate of temperature change of temperature sensor, including：
The first temperature and second temperature are determined, wherein, first temperature is more than the second temperature；
The temperature sensor is controlled to reach first temperature；
Start the air-cleaning function of the air cleaning facility, and determine the temperature sensor from first temperature
Reach the first duration of the second temperature；
According to first temperature, the second temperature and first duration, the temperature of the temperature sensor is determined
Rate of change.
For the detection method of described filter core, in a kind of possible implementation, according to first temperature, described
Second temperature and first duration, determine the rate of temperature change of the temperature sensor, including：
The rate of temperature change Δ τ of the temperature sensor is determined using formula 1；
Δ τ=(T1-T2)/Δ t formulas 1；
Wherein, T1Represent first temperature, T2The second temperature is represented, Δ t represents first duration.
For the detection method of described filter core, in a kind of possible implementation, the first temperature and the second temperature are determined
Degree, including：
Determine the 3rd temperature of the temperature sensor local environment；
According to the 3rd temperature, first temperature and the second temperature are determined；
Wherein, the second temperature is more than the 3rd temperature.
It is true according to the rate of temperature change in a kind of possible implementation for the detection method of described filter core
The use state of the fixed filter core, including：
In the case where the rate of temperature change is more than or equal to first threshold, it is the to determine the use state of the filter core
One state；
It is more than or equal to Second Threshold and less than in the case of the first threshold in the rate of temperature change, it is determined that described
The use state of filter core is the second state；
In the case where the rate of temperature change is less than the Second Threshold, the use state for determining the filter core is the 3rd
State.
It is true according to the rate of temperature change in a kind of possible implementation for the detection method of described filter core
The use state of the fixed filter core, including：
According to the temperature change of the corresponding relation between rate of temperature change and use state, and the temperature sensor
Rate, determines the use state of the filter core.
According to the third aspect of the embodiment of the present disclosure there is provided a kind of detection means of filter core, including：
Rate of temperature change determining module, the rate of temperature change for determining the temperature sensor in air cleaning facility, institute
State the air outlet side that temperature sensor is arranged on the air cleaning facility；
Use state determining module, the use state for determining the filter core according to the rate of temperature change.
For the detection means of described filter core, in a kind of possible implementation, the rate of temperature change determines mould
Block includes：
Determination sub-module, for determining the first temperature and second temperature, wherein, first temperature is more than the described second temperature
Degree；
Control submodule, for controlling the temperature sensor to reach first temperature；
First duration determination sub-module, the air-cleaning function for starting the air cleaning facility, and determine described
Temperature sensor reaches the first duration of the second temperature from first temperature；
Rate of temperature change determination sub-module, for according to first temperature, the second temperature and first duration,
Determine the rate of temperature change of the temperature sensor.
For the detection means of described filter core, in a kind of possible implementation, the rate of temperature change determines son
Module is used for：
The rate of temperature change Δ τ of the temperature sensor is determined using formula 1；
Δ τ=(T1-T2)/Δ t formulas 1；
Wherein, T1Represent first temperature, T2The second temperature is represented, Δ t represents first duration.
For the detection means of described filter core, in a kind of possible implementation, the determination sub-module includes：
3rd temperature determination sub-module, the 3rd temperature for determining the temperature sensor local environment；
First temperature and second temperature determination sub-module, for according to the 3rd temperature, determine first temperature and
The second temperature；
Wherein, the second temperature is more than the 3rd temperature.
For the detection means of described filter core, in a kind of possible implementation, the use state determining module
Including：
First state determination sub-module, in the case of being more than or equal to first threshold in the rate of temperature change, really
The use state of the fixed filter core is first state；
Second state determination sub-module, for being more than or equal to Second Threshold and less than described the in the rate of temperature change
In the case of one threshold value, the use state for determining the filter core is the second state；
Third state determination sub-module, in the case of being less than the Second Threshold in the rate of temperature change, it is determined that
The use state of the filter core is the third state.
For the detection means of described filter core, in a kind of possible implementation, the use state determining module
Including：
4th state determination sub-module, for according to the corresponding relation between rate of temperature change and use state, Yi Jisuo
The rate of temperature change of temperature sensor is stated, the use state of the filter core is determined.
According to the fourth aspect of the embodiment of the present disclosure there is provided a kind of detection means of filter core, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
The rate of temperature change of the temperature sensor in air cleaning facility is determined, the temperature sensor is arranged on the sky
The air outlet side of gas cleaning equipment；
The use state of the filter core is determined according to the rate of temperature change.
The technical scheme provided by this disclosed embodiment can include the following benefits：The air cleaning of the disclosure is set
Standby, filter core detection method and device, by determining the rate of temperature change of the temperature sensor in air cleaning facility, and according to
Rate of temperature change determines the use state of filter core, is detected thus, it is possible to the use state to filter core, and can accurately judge
The residual life of filter core, and realize that difficulty is smaller.
It should be appreciated that the general description of the above and detailed description hereinafter are only exemplary and explanatory, not
The disclosure can be limited.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used to together with specification to explain the principle of the disclosure.
Fig. 1 is a kind of schematic diagram of air cleaning facility according to an exemplary embodiment.
Fig. 2 is a kind of the one exemplary of the temperature sensor of air cleaning facility according to an exemplary embodiment
Circuit diagram.
Fig. 3 is the relation signal between the resistance of the platinum resistance thermometer sensor, according to correlation technique and the temperature of platinum resistance thermometer sensor,
Figure.
Fig. 4 is a kind of flow chart of the detection method of filter core according to an exemplary embodiment.
Fig. 5 is the exemplary relation between rate of temperature change and motor rotary speed according to an exemplary embodiment
Schematic diagram.
Fig. 6 be a kind of filter core according to an exemplary embodiment detection method in step S401 it is one exemplary
Flow chart.
Fig. 7 is the exemplary relation schematic diagram between the temperature and time according to an exemplary embodiment.
Fig. 8 is an a kind of exemplary flow chart of the detection method of filter core according to an exemplary embodiment.
Fig. 9 is a kind of block diagram of the detection means of filter core according to an exemplary embodiment.
Figure 10 is an a kind of exemplary block diagram of the detection means of filter core according to an exemplary embodiment.
Figure 11 is a kind of block diagram of the detection means of filter core according to an exemplary embodiment.
Embodiment
Here exemplary embodiment will be illustrated in detail, its example is illustrated in the accompanying drawings.Following description is related to
During accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawings represent same or analogous key element.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended
The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.
Fig. 1 is a kind of schematic diagram of air cleaning facility according to an exemplary embodiment.The air cleaning facility
The air cleaning that can apply in the places such as family, work, the present embodiment is not restricted to this.As shown in figure 1, the air is net
The detection means (not shown in figure 1) of filter core 1, temperature sensor 2 and filter core can be included by changing equipment.Wherein, filter core 1 can be
Removable cartridge, temperature sensor 2 can be arranged on the air outlet side of air cleaning facility, and the detection means of filter core can basis
The rate of temperature change of temperature sensor in air cleaning facility, determines the use state of filter core.
The operation principle of the air cleaning facility of the present embodiment draws air into for air cleaning facility, and filter core 1 will be inhaled
Impurity such as PM2.5, PM3.0 in the air entered are then exhausted from after carrying out adsorption filtration, are achieved in purifying the function of air.It is empty
Gas cleaning equipment can have air inlet side and air outlet side, wherein, the side that air inlet side can enter for air, air outlet
The side that side can discharge for air.As shown in figure 1, S1 sides can be the air inlet side of air cleaning facility, S2 sides can be
The air outlet side of air cleaning facility.Temperature sensor 2 in the present embodiment can be arranged on the air outlet of air cleaning facility
Side.
It should be noted that the present embodiment does not limit the shape of filter core 1, for example can be tubular element or sheet filter core
Deng.For the filter core 1 of any shape, temperature sensor 2 is arranged on the air outlet side of air cleaning facility.The present embodiment is not
Limit temperature sensor 2 is arranged on the band of position of the air outlet side of air cleaning facility.As an example of the present embodiment,
As shown in figure 1, temperature sensor 2 can be arranged on any position in P1, P2 and P3.
It should be noted that those skilled in the art are it should be understood that the detection means of filter core both can be can be real
The entity structure of the detection function of existing filter core, or the software program of the detection function of filter core, the present embodiment can be realized
This is not restricted.
In a kind of possible implementation, the resistance of temperature sensor changes with temperature linearity.
Fig. 2 is a kind of the one exemplary of the temperature sensor of air cleaning facility according to an exemplary embodiment
Circuit diagram.As an example of the present embodiment, temperature sensor can be to be made using platinum resistance thermometer sensor, (PT100)
Temperature sensor.As shown in Fig. 2 temperature sensor can include constant-current source 21 and platinum resistance thermometer sensor, 22, constant-current source 21 and platinum heat
The electric loop being connected in series can be formed between resistance 22.
Wherein, the constant-current source 21 of this example can be that can export constant current I power supply.It is constant that constant-current source 21 is exported
Electric current I can flow through platinum resistance thermometer sensor, 22, so that the heat temperature raising of platinum resistance thermometer sensor, 22.It should be noted that the present embodiment is not limited
The size for the constant current I that constant-current source 21 processed is exported, can be according to using need in the actual application of temperature sensor
Usage scenario of summing carries out selection determination.
In this example, the resistance of platinum resistance thermometer sensor, 22 can change with the change of the temperature of platinum resistance thermometer sensor, 22, and platinum
The resistance of thermal resistance 22 has preferable linear relationship with the temperature of platinum resistance thermometer sensor, 22.Fig. 3 is the platinum according to correlation technique
Relation schematic diagram between the resistance of thermal resistance and the temperature of platinum resistance thermometer sensor,.As shown in figure 3, the resistance of platinum resistance thermometer sensor, 22 can be with
The rising of the temperature of platinum resistance thermometer sensor, 22 and the growth of approaches uniformity is presented, it is possible thereby to the resistance by measuring platinum resistance thermometer sensor, 22
And determine the temperature of platinum resistance thermometer sensor, 22, it is possible to the rate of temperature change of platinum resistance thermometer sensor, 22 is determined, namely can be sensed with temperature
The rate of temperature change of device.
The principal element of the rate of temperature change of platinum resistance thermometer sensor, 22 can be influenceed in air cleaning facility can include air
The cross-ventilation size of the air outlet side of cleaning equipment, i.e. air force, it is possible thereby to the temperature by detecting platinum resistance thermometer sensor, 22
Rate of change realizes the air force of the air outlet side of detection air cleaning facility.Worked in air cleaning facility with same rotational speed
In the case of, may be relatively small by the air quantity of filter core 1 if the more impurity of the adsorption filtration of filter core 1, if filter core 1 is
Brand-new original state, then then may be relatively large by the air quantity of filter core 1.Therefore, temperature sensor is applied to
In air cleaning facility, it can be realized remaining to filter core 1 by the change of the air force of the air outlet side of air cleaning facility
The detection in life-span.
Fig. 4 is a kind of flow chart of the detection method of filter core according to an exemplary embodiment.The detection of the filter core
Method can apply to the air cleaning facilities such as air purifier, and the present embodiment is not restricted to this.As shown in figure 4, the filter core
Detection method, may comprise steps of.
In step S401, the rate of temperature change of the temperature sensor in air cleaning facility is determined, temperature sensor is set
Put in the air outlet side of air cleaning facility.
When the rate of temperature change of the present embodiment can be corresponding with temperature change value for the temperature change value of temperature sensor
Long ratio.It should be noted that those skilled in the art are it should be understood that there is various ways to realize in correlation technique
The rate of temperature change of the air outlet side of air cleaning facility is determined, it is above-mentioned that air cleaning facility is determined by temperature sensor
The rate of temperature change of air outlet side is one kind in numerous modes, and the present embodiment is not restricted to this.
It should be noted that those skilled in the art are it should be understood that air cleaning facility can have one grade or many
Shelves working condition.In the case where air cleaning facility has multi gear working condition, air cleaning facility works in different shelves
State, can refer to air cleaning facility and be worked with different motor rotary speeds, so that the wind of the air outlet side of air cleaning facility
Amount is of different sizes.
As an example of the present embodiment, in the case where air cleaning facility has multi gear working condition, it is determined that empty
The rate of temperature change of temperature sensor in gas cleaning equipment, can include：Fixed gear work shape is in air cleaning facility
In the case of state, the rate of temperature change of the temperature sensor in air cleaning facility is determined.For example, having in air cleaning facility
In the case of third gear (big shelves, middle-grade and small shelves) working condition, the feelings of middle-grade working condition can be in air cleaning facility
Under condition, the rate of temperature change of the temperature sensor in air cleaning facility is determined.
In step S402, the use state of filter core is determined according to the rate of temperature change.
The use state of filter core can refer to represent the information of filter core usage degree or residual life.Wherein, filter core
Use state both can be qualitative information, and the use state of such as filter core can be unused state, serviceable condition or use up
State etc..The use state of filter core can also be quantitative information, and the use state of such as filter core can be the residual life of filter core
It is 30% to 40% etc. for the residual life of 32%, or filter core.
In a kind of possible implementation, the use state of filter core is determined according to the rate of temperature change, including：In the temperature
In the case that degree rate of change is more than or equal to first threshold, the use state for determining filter core is first state；In the temperature change
In the case that rate is more than or equal to Second Threshold and is less than first threshold, the use state for determining filter core is the second state；At this
In the case that rate of temperature change is less than Second Threshold, the use state for determining filter core is the third state.
, can be with the case where air cleaning facility has multi gear working condition as an example of the implementation
According to the working condition of air cleaning facility, first threshold and Second Threshold are determined.For example, being in middle-grade in air cleaning facility
In the case of working condition, it may be determined that the corresponding first threshold of middle-grade working condition and Second Threshold.
It should be noted that those skilled in the art are it should be understood that first threshold and Second Threshold and air cleaning
The working condition of equipment and the model of filter core have corresponding relation.Wherein, the working condition of air cleaning facility can include
Such as air cleaning facility is with motor rotary speed η1Work, or with motor rotary speed η2Work etc..The model of filter core can refer to represent
The model of filter element filtering ability.In actual application process, the first threshold and Second Threshold of this implementation can be according to abilities
The experience of field technique personnel is set, for example, can be demarcated by testing, the present embodiment is not restricted to this.
Fig. 5 is the exemplary relation between rate of temperature change and motor rotary speed according to an exemplary embodiment
Schematic diagram.As an example of the present embodiment, motor rotary speed η air cleaning facility, the first model filter core mark can be directed to
First threshold is determined for τ 1, and Second Threshold is τ 3.As shown in figure 5, being more than or equal to first threshold τ 1 situation in rate of temperature change
Under, it may be determined that the use state of filter core is unused state (first state), as brand-new filter core.It is more than in rate of temperature change
Or equal to Second Threshold τ 3 and less than in the case of first threshold τ 1, it may be determined that the use state of filter core is serviceable condition
(the second state), is the non-brand-new filter core that can be used., can be true in the case where rate of temperature change is less than Second Threshold τ 3
The use state of filter core is determined to use up state (third state), as scraps filter core.
Further, it is also possible to set the 3rd threshold value to be τ 2 between first threshold τ 1 and Second Threshold τ 3, in rate of temperature change
In the case of the 3rd threshold tau 2, it may be determined that the residual life of filter core is more than 50%, and is less than the 3rd in rate of temperature change
In the case of threshold tau 2, it may be determined that the residual life of filter core is less than 50%.
In a kind of possible implementation, the use state of filter core is determined according to the rate of temperature change, including：According to temperature
The corresponding relation spent between rate of change and use state, and temperature sensor rate of temperature change, determine the use shape of filter core
State.
, can be with the case where air cleaning facility has multi gear working condition as an example of the implementation
According to the working condition of air cleaning facility, the corresponding relation between temperature rate of change and use state.For example, in air
In the case that cleaning equipment is in middle-grade working condition, it may be determined that the corresponding rate of temperature change of middle-grade working condition is with using shape
Corresponding relation between state.
By the method for this example, the numerical value or model of the residual life of filter core can be directly determined according to rate of temperature change
Enclose, the residual life for for example determining filter core is 32%, or determine that the residual life of filter core is 30% to 40%.Need explanation
It is that those skilled in the art are it should be understood that the corresponding relation between rate of temperature change and use state is set with air cleaning
Standby working condition and the model of filter core have corresponding relation.In actual application process, the rate of temperature change of this implementation
Corresponding relation between use state can be set according to the experience of those skilled in the art, for example, can be carried out by testing
Demarcation, the present embodiment is not restricted to this.
The detection method of the filter core of the present embodiment, by the temperature change for determining the temperature sensor in air cleaning facility
Rate, and the use state of filter core is determined according to rate of temperature change, detected thus, it is possible to the use state to filter core, and can
Accurately the residual life of filter core is judged, and realize that difficulty is smaller.
Fig. 6 be a kind of filter core according to an exemplary embodiment detection method in step S401 it is one exemplary
Flow chart.As shown in fig. 6, determining the rate of temperature change (step S401) of the temperature sensor in air cleaning facility, it can wrap
Include following steps.
In step S600, the first temperature and second temperature are determined, wherein, the first temperature is more than second temperature.
In step s 601, control temperature sensor reaches the first temperature.
The present embodiment does not limit the numerical value of the first temperature, for example, can be set according to the temperature of air cleaning facility local environment
Fixed first temperature.
It should be noted that those skilled in the art are it should be understood that there is various ways to realize in correlation technique
Control temperature sensor reaches the first temperature, for example, carry out conductive heater to temperature sensor, and the present embodiment is not restricted to this.
In step S602, start the air-cleaning function of air cleaning facility, and temperature sensor is warm from first
Degree reaches the first duration of second temperature.
It is understood that be there may also be after temperature sensor reaches the first temperature for the first time in a bit of temperature
Rise, thus temperature sensor cooling and second reach the first temperature when start timing, and in temperature sensor cooling and the
Stop timing when once reaching second temperature, so that it is determined that the first duration.
It should be noted that at the time of the present embodiment does not limit the air-cleaning function for starting air cleaning facility, that is, existing
Temperature sensor cools and started before reaching the first temperature for second.
In step S603, according to the first temperature, second temperature and the first duration, the temperature change of temperature sensor
Rate.
In a kind of possible implementation, according to the first temperature, second temperature and the first duration, temperature sensor
Rate of temperature change, can include：
Using the rate of temperature change Δ τ of the temperature sensor of formula 1；
Δ τ=(T1-T2)/Δ t formulas 1；
Wherein, T1Represent the first temperature, T2Second temperature is represented, Δ t represents the first duration.
Fig. 7 is the exemplary relation schematic diagram between the temperature and time according to an exemplary embodiment.Make
For an example of the present embodiment, as shown in fig. 7, starting the output constant current of constant-current source 21 I so that the heating of platinum resistance thermometer sensor, 22 rises
Temperature is to the first temperature T1.Constant-current source 21 is closed, and starts the air-cleaning function of air cleaning facility, such as with motor rotary speed η
Work.Because platinum resistance thermometer sensor, 22 is in the first temperature T of first time arrival1There is a bit of temperature to rise afterwards, therefore in platinum heat
Resistance 22 cools and second reaches the first temperature T1When start timing, for example, t1Moment, and arrived in the first time of platinum resistance thermometer sensor, 22
Up to second temperature T2When stop timing, for example, t2At the moment, a length of Δ t=t when first can be obtained2-t1.Temperature sensor
Rate of temperature change is linear change, therefore according to the first temperature T1, second temperature T2With the first duration Δ t, formula 1 can be used true
Determine the rate of temperature change of temperature sensor.It should be noted that the air that the present embodiment does not limit startup air cleaning facility is net
At the time of changing function, cool in platinum resistance thermometer sensor, 22 and second reaches the first temperature T1Start before.
The detection method of the filter core of the present embodiment, uses rate of temperature change for the temperature sensor of linear change, Neng Goutong
Cross setting the first temperature and second temperature, and measure air cleaning facility and carry out during air cleaning temperature sensor from the first temperature
The first duration of second temperature is reached, the rate of temperature change of temperature sensor is realized, thus, it is possible to the use shape to filter core
State is detected, and can accurately judge the residual life of filter core, and realizes that difficulty is smaller.
Fig. 8 is an a kind of exemplary flow chart of the detection method of filter core according to an exemplary embodiment.Such as
Shown in Fig. 8, the detection method of the filter core may comprise steps of.
In step S801, the 3rd temperature of temperature sensor local environment.
As an example of the present embodiment, resistance of the measurement platinum resistance thermometer sensor, 22 under initial environment is hindered by looking into temperature
Value table or calculating obtain the initial temperature T of platinum resistance thermometer sensor, 223, i.e. the 3rd temperature T of temperature sensor local environment3。
In step S802, according to the 3rd temperature, the first temperature and second temperature are determined, wherein, second temperature is more than the
Three temperature, the first temperature is more than second temperature.
It should be noted that those skilled in the art are it should be understood that there is various ways to realize in correlation technique
First temperature and second temperature are determined according to the 3rd temperature, for example, can be demarcated by testing, the present embodiment is not made to this
Limitation.
As an example of the present embodiment, the 3rd temperature T of different range can be directed to3, determine the first different temperature
Spend T1With second temperature T2.For example, -10 to 0 degrees Celsius of the 3rd temperature T can be directed to31, determine the first temperature T11With the second temperature
Spend T21；For 0 to 10 degree Celsius of the 3rd temperature T32, determine the first temperature T12With second temperature T22；For 10 to 20 degrees Celsius
The 3rd temperature T33, determine the first temperature T13With second temperature T23；For 20 to 30 degrees Celsius of the 3rd temperature T34, determine
One temperature T14With second temperature T24。
In step S803, control temperature sensor reaches the first temperature.
Description to the step may refer to step S601.
In step S804, start the air-cleaning function of air cleaning facility, and temperature sensor is warm from first
Degree reaches the first duration of second temperature.
Description to the step may refer to step S602.
In step S805, according to the first temperature, second temperature and the first duration, the temperature change of temperature sensor
Rate.
Description to the step may refer to step S603.
The detection method of the filter core of the present embodiment, can realize the 3rd temperature according to temperature sensor local environment, if
Determine corresponding first temperature of the 3rd temperature and second temperature of different range, the use of the detection method thus, it is possible to expand filter core
Environment, such as season use environment or region use environment.
Fig. 9 is a kind of block diagram of the detection means of filter core according to an exemplary embodiment.Reference picture 9, the device
Including rate of temperature change determining module 11 and use state determining module 13.
Wherein, rate of temperature change determining module 11 is configured to determine that the temperature of the temperature sensor in air cleaning facility
Rate of change, the temperature sensor is arranged on the air outlet side of the air cleaning facility.Use state determining module 13 by with
It is set to the use state that the filter core is determined according to the rate of temperature change.
Figure 10 is an a kind of exemplary block diagram of the detection means of filter core according to an exemplary embodiment.
In a kind of possible implementation, reference picture 10, the rate of temperature change determining module 11 includes determining submodule
Block 110, control submodule 111, the first duration determination sub-module 113 and rate of temperature change determination sub-module 115.
Wherein it is determined that submodule 110 is configured to determine that the first temperature and second temperature, wherein, first temperature is big
In the second temperature.Control submodule 111 is configured as controlling the temperature sensor to reach first temperature.When first
Long determination sub-module 113 is configured as starting the air-cleaning function of the air cleaning facility, and determines the TEMP
Device reaches the first duration of the second temperature from first temperature.Rate of temperature change determination sub-module 115 is configured as root
According to first temperature, the second temperature and first duration, the rate of temperature change of the temperature sensor is determined.
In a kind of possible implementation, the rate of temperature change determination sub-module 115 is used for：
The rate of temperature change Δ τ of the temperature sensor is determined using formula 1；
Δ τ=(T1-T2)/Δ t formulas 1；
Wherein, T1Represent first temperature, T2The second temperature is represented, Δ t represents first duration.
In a kind of possible implementation, reference picture 10, the determination sub-module 110 determines submodule including the 3rd temperature
Block and the first temperature and second temperature determination sub-module.
Wherein, the 3rd temperature determination sub-module is configured to determine that the 3rd temperature of the temperature sensor local environment.
First temperature and second temperature determination sub-module are configured as according to the 3rd temperature, determine first temperature and described
Two temperature；Wherein, the second temperature is more than the 3rd temperature.
In a kind of possible implementation, reference picture 10, it is true that the use state determining module 13 includes first state
Stator modules 131, the second state determination sub-module 133 and third state determination sub-module 135.
Wherein, first state determination sub-module 131 is configured as being more than or equal to first threshold in the rate of temperature change
In the case of, the use state for determining the filter core is first state.Second state determination sub-module 133 is configured as described
Rate of temperature change is more than or equal to Second Threshold and less than in the case of the first threshold, determines the use state of the filter core
For the second state.Third state determination sub-module 135 is configured as being less than in the rate of temperature change feelings of the Second Threshold
Under condition, the use state for determining the filter core is the third state.
In a kind of possible implementation, reference picture 10, it is true that the use state determining module 13 includes the 4th state
Stator modules 137.4th state determination sub-module 137 is configured as according to the corresponding pass between rate of temperature change and use state
System, and the temperature sensor rate of temperature change, determine the use state of the filter core.
On the device in above-described embodiment, wherein modules perform the concrete mode of operation in relevant this method
Embodiment in be described in detail, explanation will be not set forth in detail herein.
The detection means of the filter core of the present embodiment, by the temperature change for determining the temperature sensor in air cleaning facility
Rate, and the use state of filter core is determined according to rate of temperature change, detected thus, it is possible to the use state to filter core, and can
Accurately the residual life of filter core is judged, and realize that difficulty is smaller.
Figure 11 is a kind of block diagram of the detection means of filter core according to an exemplary embodiment.For example, device 800 can
To be air purifier, mobile phone, computer, digital broadcast terminal, messaging devices, game console, tablet device,
Medical Devices, body-building equipment, the equipment that personal digital assistant etc. has air-cleaning function.
Reference picture 11, device 800 can include following one or more assemblies：Processing assembly 802, memory 804, power supply
Component 806, multimedia groupware 808, audio-frequency assembly 810, the interface 812 of input/output (I/O), sensor cluster 814, and
Communication component 816.
The integrated operation of the usual control device 800 of processing assembly 802, such as with display, call, data communication, phase
Machine operates the operation associated with record operation.Processing assembly 802 can refer to including one or more processors 820 to perform
Order, to complete all or part of step of above-mentioned method.In addition, processing assembly 802 can include one or more modules, just
Interaction between processing assembly 802 and other assemblies.For example, processing assembly 802 can include multi-media module, it is many to facilitate
Interaction between media component 808 and processing assembly 802.
Memory 804 is configured as storing various types of data supporting the operation in device 800.These data are shown
Example includes the instruction of any application program or method for being operated on device 800, and contact data, telephone book data disappears
Breath, picture, video etc..Memory 804 can be by any kind of volatibility or non-volatile memory device or their group
Close and realize, such as static RAM (SRAM), Electrically Erasable Read Only Memory (EEPROM) is erasable to compile
Journey read-only storage (EPROM), programmable read only memory (PROM), read-only storage (ROM), magnetic memory, flash
Device, disk or CD.
Power supply module 806 provides electric power for the various assemblies of device 800.Power supply module 806 can include power management system
System, one or more power supplys, and other components associated with generating, managing and distributing electric power for device 800.
Multimedia groupware 808 is included in the screen of one output interface of offer between described device 800 and user.One
In a little embodiments, screen can include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel, screen
Curtain may be implemented as touch-screen, to receive the input signal from user.Touch panel includes one or more touch sensings
Device is with the gesture on sensing touch, slip and touch panel.The touch sensor can not only sensing touch or sliding action
Border, but also detection touches or slide related duration and pressure with described.In certain embodiments, many matchmakers
Body component 808 includes a front camera and/or rear camera.When device 800 be in operator scheme, such as screening-mode or
During video mode, front camera and/or rear camera can receive the multi-medium data of outside.Each front camera and
Rear camera can be a fixed optical lens system or with focusing and optical zoom capabilities.
Audio-frequency assembly 810 is configured as output and/or input audio signal.For example, audio-frequency assembly 810 includes a Mike
Wind (MIC), when device 800 be in operator scheme, when such as call model, logging mode and speech recognition mode, microphone by with
It is set to reception external audio signal.The audio signal received can be further stored in memory 804 or via communication set
Part 816 is sent.In certain embodiments, audio-frequency assembly 810 also includes a loudspeaker, for exports audio signal.
I/O interfaces 812 is provide interface between processing assembly 802 and peripheral interface module, above-mentioned peripheral interface module can
To be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and lock
Determine button.
Sensor cluster 814 includes one or more sensors, and the state for providing various aspects for device 800 is commented
Estimate.For example, sensor cluster 814 can detect opening/closed mode of device 800, the relative positioning of component is for example described
Component is the display and keypad of device 800, and sensor cluster 814 can be with 800 1 components of detection means 800 or device
Position change, the existence or non-existence that user contacts with device 800, the orientation of device 800 or acceleration/deceleration and device 800
Temperature change.Sensor cluster 814 can include proximity transducer, be configured to detect in not any physical contact
The presence of neighbouring object.Sensor cluster 814 can also include optical sensor, such as CMOS or ccd image sensor, for into
As being used in application.In certain embodiments, the sensor cluster 814 can also include acceleration transducer, gyro sensors
Device, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 816 is configured to facilitate the communication of wired or wireless way between device 800 and other equipment.Device
800 can access the wireless network based on communication standard, such as WiFi, 2G or 3G, or combinations thereof.In an exemplary implementation
In example, communication component 816 receives broadcast singal or broadcast related information from external broadcasting management system via broadcast channel.
In one exemplary embodiment, the communication component 816 also includes near-field communication (NFC) module, to promote junction service.Example
Such as, NFC module can be based on radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band (UWB) technology,
Bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 800 can be believed by one or more application specific integrated circuits (ASIC), numeral
Number processor (DSP), digital signal processing appts (DSPD), PLD (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electronic components are realized, for performing the above method.
In the exemplary embodiment, a kind of non-transitorycomputer readable storage medium including instructing, example are additionally provided
Such as include the memory 804 of instruction, above-mentioned instruction can be performed to complete the above method by the processor 820 of device 800.For example,
The non-transitorycomputer readable storage medium can be ROM, random access memory (RAM), CD-ROM, tape, floppy disk
With optical data storage devices etc..
Those skilled in the art will readily occur to its of the disclosure after considering specification and putting into practice invention disclosed herein
Its embodiment.The application is intended to any modification, purposes or the adaptations of the disclosure, these modifications, purposes or
Person's adaptations follow the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.Description and embodiments are considered only as exemplary, and the true scope of the disclosure and spirit are by following
Claim is pointed out.
It should be appreciated that the precision architecture that the disclosure is not limited to be described above and is shown in the drawings, and
And various modifications and changes can be being carried out without departing from the scope.The scope of the present disclosure is only limited by appended claim.
Claims (15)
1. a kind of air cleaning facility, it is characterised in that including：
Filter core；
Temperature sensor, the temperature sensor is arranged on the air outlet side of the air cleaning facility；
The detection means of filter core, the temperature for the temperature sensor that the detection means of the filter core is used in air cleaning facility
Rate of change, determines the use state of the filter core.
2. air cleaning facility according to claim 1, it is characterised in that the resistance of the temperature sensor is with temperature line
Property change.
3. a kind of detection method of filter core, it is characterised in that including：
The rate of temperature change of the temperature sensor in air cleaning facility is determined, it is net that the temperature sensor is arranged on the air
Change the air outlet side of equipment；
The use state of the filter core is determined according to the rate of temperature change.
4. the detection method of filter core according to claim 3, it is characterised in that determine that the temperature in air cleaning facility is passed
The rate of temperature change of sensor, including：
The first temperature and second temperature are determined, wherein, first temperature is more than the second temperature；
The temperature sensor is controlled to reach first temperature；
Start the air-cleaning function of the air cleaning facility, and determine that the temperature sensor reaches from first temperature
First duration of the second temperature；
According to first temperature, the second temperature and first duration, the temperature change of the temperature sensor is determined
Rate.
5. the detection method of filter core according to claim 4, it is characterised in that according to first temperature, described second
Temperature and first duration, determine the rate of temperature change of the temperature sensor, including：
The rate of temperature change Δ τ of the temperature sensor is determined using formula 1；
Δ τ=(T1-T2)/Δ t formulas 1；
Wherein, T1Represent first temperature, T2The second temperature is represented, Δ t represents first duration.
6. the detection method of the filter core according to claim 4 or 5, it is characterised in that determine the first temperature and second temperature,
Including：
Determine the 3rd temperature of the temperature sensor local environment；
According to the 3rd temperature, first temperature and the second temperature are determined；
Wherein, the second temperature is more than the 3rd temperature.
7. the detection method of filter core according to claim 3, it is characterised in that according to being determined the rate of temperature change
The use state of filter core, including：
In the case where the rate of temperature change is more than or equal to first threshold, the use state for determining the filter core is the first shape
State；
It is more than or equal to Second Threshold and less than in the case of the first threshold in the rate of temperature change, determines the filter core
Use state be the second state；
In the case where the rate of temperature change is less than the Second Threshold, the use state for determining the filter core is the 3rd shape
State.
8. the detection method of filter core according to claim 3, it is characterised in that according to being determined the rate of temperature change
The use state of filter core, including：
According to the rate of temperature change of the corresponding relation between rate of temperature change and use state, and the temperature sensor, really
The use state of the fixed filter core.
9. a kind of detection means of filter core, it is characterised in that including：
Rate of temperature change determining module, the rate of temperature change for determining the temperature sensor in air cleaning facility, the temperature
Degree sensor is arranged on the air outlet side of the air cleaning facility；
Use state determining module, the use state for determining the filter core according to the rate of temperature change.
10. the detection means of filter core according to claim 9, it is characterised in that the rate of temperature change determining module bag
Include：
Determination sub-module, for determining the first temperature and second temperature, wherein, first temperature is more than the second temperature；
Control submodule, for controlling the temperature sensor to reach first temperature；
First duration determination sub-module, for starting the air-cleaning function of the air cleaning facility, and determines the temperature
Sensor reaches the first duration of the second temperature from first temperature；
Rate of temperature change determination sub-module, for according to first temperature, the second temperature and first duration, it is determined that
The rate of temperature change of the temperature sensor.
11. the detection means of filter core according to claim 10, it is characterised in that the rate of temperature change determination sub-module
For：
The rate of temperature change Δ τ of the temperature sensor is determined using formula 1；
Δ τ=(T1-T2)/Δ t formulas 1；
Wherein, T1Represent first temperature, T2The second temperature is represented, Δ t represents first duration.
12. the detection means of the filter core according to claim 9 or 10, it is characterised in that the determination sub-module includes：
3rd temperature determination sub-module, the 3rd temperature for determining the temperature sensor local environment；
First temperature and second temperature determination sub-module, for according to the 3rd temperature, determining first temperature and described
Second temperature；
Wherein, the second temperature is more than the 3rd temperature.
13. the detection means of filter core according to claim 9, it is characterised in that the use state determining module includes：
First state determination sub-module, in the case of being more than or equal to first threshold in the rate of temperature change, determines institute
The use state for stating filter core is first state；
Second state determination sub-module, for being more than or equal to Second Threshold and less than first threshold in the rate of temperature change
In the case of value, the use state for determining the filter core is the second state；
Third state determination sub-module, in the case of being less than the Second Threshold in the rate of temperature change, it is determined that described
The use state of filter core is the third state.
14. the detection means of filter core according to claim 9, it is characterised in that the use state determining module includes：
4th state determination sub-module, for according to the corresponding relation between rate of temperature change and use state, and the temperature
The rate of temperature change of sensor is spent, the use state of the filter core is determined.
15. a kind of detection means of filter core, it is characterised in that including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
The rate of temperature change of the temperature sensor in air cleaning facility is determined, it is net that the temperature sensor is arranged on the air
Change the air outlet side of equipment；
The use state of the filter core is determined according to the rate of temperature change.
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| CN201710300546.2A CN107121450B (en) | 2017-05-02 | 2017-05-02 | Air purification equipment and detection method and device of filter element |
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| CN201710300546.2A CN107121450B (en) | 2017-05-02 | 2017-05-02 | Air purification equipment and detection method and device of filter element |
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| CN109061738A (en) * | 2018-08-27 | 2018-12-21 | 北京小米移动软件有限公司 | Detection method, device and the storage medium of filter core packaging bag |
| CN110013710A (en) * | 2018-01-10 | 2019-07-16 | 林肯环球股份有限公司 | Custom filter cleaning procedure for extraction system |
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| US11199119B2 (en) | 2018-12-25 | 2021-12-14 | Toyota Jidosha Kabushiki Kaisha | Control device for internal combustion engine |
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