CN108332391A - A kind of monitoring device of powder-like waste, air conditioner and its control method for air conditioner - Google Patents
A kind of monitoring device of powder-like waste, air conditioner and its control method for air conditioner Download PDFInfo
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- CN108332391A CN108332391A CN201711420348.6A CN201711420348A CN108332391A CN 108332391 A CN108332391 A CN 108332391A CN 201711420348 A CN201711420348 A CN 201711420348A CN 108332391 A CN108332391 A CN 108332391A
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- air conditioner
- dust sensor
- laser dust
- work period
- controller
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Classifications
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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
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/50—Air quality properties
Abstract
For the monitoring device of powder-like waste of air conditioner, including laser dust sensor；Controller, controller are used to starting or closing laser dust sensor according to the working condition of air conditioner；If air conditioner is in open state, controller control laser dust sensor is in continuous monitor state；If air conditioner is in standby, the standby period timer in controller is started to work；When the timing time of standby period timer is more than setting gap periods preset value, controller controls laser dust sensor and opens, and work period timer starts timing；Controller samples the detected value of a laser dust sensor while laser dust sensor is opened；Controller generates setting work period preset value according to detected value, and when the timing time of work period timer is more than setting work period preset value, controller controls laser dust sensor and closes.A kind of control method of air conditioner and monitoring device of powder-like waste is also disclosed simultaneously, has the advantages that intelligence degree is high.
Description
Technical field
The present invention relates to apparatus of air conditioning technical field more particularly to a kind of air conditioner laser PM2.5 sensors
Control method, and the air conditioner using above-mentioned control method.
Background technology
In current dust particles PM2.5 detection fields, PM2.5 detectors mainly use two kinds of dust sensors：It is infrared
Dust sensor and laser dust sensor.The structure and circuit of wherein infrared dust sensor are fairly simple, and light source is red
Outer LED light source, air-flow inlet and outlet is mainly by resistance heating so that air-flow flows, if there is particle is by exporting high electricity
It is flat, to detect granule density.
Since the particle signal of infrared LED light scattering is weaker, only there are response, therefore infrared powder to 1 μm or more of bulky grain
Dust sensor is only able to detect 1 μm or more of particle, and Surveying Actual Precision is relatively low.Add moreover, infrared dust sensor is only used
Thermal resistance pushes sampling air flow, and hits is fewer, data computational accuracy is also poor.The two additive effect makes infrared dust
The sampling precision of sensor cannot be satisfied the detection demand of PM2.5 particles completely.And the accuracy of detection of laser dust sensor compared with
It is high.But laser dust sensor itself is detected using laser diode, the service life is relatively short.Lead to not in air-conditioning
Device field high volume applications.
Invention content
It is insufficient for the accuracy of detection that solves infrared dust sensor in the prior art, service life of laser dust sensor compared with
Short, the problem of can not being matched with the air conditioner service life, the invention discloses a kind of air conditioner controlling parties of laser dust sensor
Method.
A kind of monitoring device of powder-like waste for air conditioner, including：
Laser dust sensor；
Controller, the controller are used to starting or closing the laser dust sensor according to the working condition of air conditioner；
If air conditioner is in open state, the controller controls the laser dust sensor and is in continuous monitor state；
If air conditioner is in standby, the standby period timer in the controller is started to work；When the standby week
When the timing time of phase timer is more than setting gap periods preset value, the controller controls the laser dust sensor and opens
It opens, the work period timer starts timing；The controller samples one while the laser dust sensor is opened
The detected value of a laser dust sensor；The controller generates setting work period preset value according to the detected value,
When the timing time of the work period timer is more than setting work period preset value, the controller controls the laser
Dust sensor is closed.
Further, when the controller, which controls the laser dust sensor, closes, described in the controller clearing
Standby period timer, the standby period timer restart timing.
Further, the detected value positive correlation of setting the work period preset value and the laser dust sensor.
Preferably, when the detected value of the laser dust sensor belongs to first interval, the setting work period is pre-
If value was the first work period；
When the detected value of the laser dust sensor belongs to second interval, the work period preset value that sets is the second work
Make the period；
When the detected value of the laser dust sensor belongs to 3rd interval, the work period preset value that sets is third work
Make the period；
The lower threshold of the first interval, second interval and 3rd interval successively decreases successively, first work period, the second work
Make the period and third work period constant gradient successively decreases.
Further, the setting gap periods preset value t is generated by the following method：
Setting air conditioner averagely freezes service life PcAnd/or setting air conditioner averagely heats service life Ph；
Setting air conditioner, which is averaged, uses duration T dayP1；
Set air conditioner average life TP2；
It is calculated using duration, average life according to the service life of averagely freezing, averagely heating service life, average day
Average continuous monitor state cycle TP3=（Pc+Ph）× TP1×TP2；
Calculate average standby mode cycle TP4=（Pc+Ph）× （24- TP1）×TP2+（365- Pc-Ph）×24×TP2；
According to average laser dust sensor service life T0, average continuous monitor state period, average standby mode period meter
Calculate standby mode under laser dust sensor maximum allowable working time T hourly, wherein T=（T0- TP3）/ TP4×60;
Set the maximum of T of the setting work periodmax, the setting gap periods preset value t=60/T/Tmax。
Preferably.The maximum of T of the setting work periodmaxEqual to first work period.
Monitoring device of powder-like waste disclosed in this invention for air conditioner can be by controller according to the sky in air-conditioned room
The start and stop of the use state intelligent control laser dust sensor of makings amount and air conditioner, in air-conditioned room nobody or user
In the case of subjective feeling is comfortable, and air quality is preferable, intelligent control reduces the working time of laser dust sensor, extends
Its service life；Air-conditioned room nobody or in the case that user's subjective feeling is comfortable and air quality is poor, intelligence is opposite
The working time for improving laser dust sensor, reach using effect and the balance of working time.From long-time service angle,
So that the service life of laser dust sensor and the service life matching of air conditioner promote laser dust halfway without needing to change
Sensor can promote the use of a large area.
A kind of air conditioner, including monitoring device of powder-like waste are also disclosed simultaneously.The monitoring device of powder-like waste, including：
Laser dust sensor；Controller, the controller are used to be started according to the working condition of air conditioner or be closed described sharp
Light dust sensor；If air conditioner is in open state, the controller controls the laser dust sensor and is in continuous
Monitor state；If air conditioner is in standby, the standby period timer in the controller is started to work；It is waited for when described
When the timing time of machine cycle timer is more than setting gap periods preset value, the controller controls the laser dust sensing
Device is opened, and the work period timer starts timing；The controller is adopted while the laser dust sensor is opened
The detected value of one, the sample laser dust sensor；The controller is default according to the detected value generation setting work period
Value, when the timing time of the work period timer is more than setting work period preset value, described in the controller control
Laser dust sensor is closed.
Air conditioner disclosed in this invention has the advantages that degree of intelligence is high.
A kind of control method of the monitoring device of powder-like waste for air conditioner is also disclosed simultaneously, includes the following steps：
Sample the working condition of air conditioner；
If air conditioner is in open state, control laser dust sensor is opened and keeps continuously monitoring；
If air conditioner is in standby, control laser dust sensor distance monitoring；
When the laser dust sensor distance monitors, standby period timer and work period timer start timing,
In, when the timing time of standby period timer is more than setting gap periods preset value, control laser dust sensor is opened,
Work period timer starts timing；
Detected value when being opened according to laser dust sensor generates setting work period preset value, when the work period timing
When the timing time of device is more than setting work period preset value, control laser dust sensor is closed.
By above-mentioned control method, it can make the service life of laser dust sensor and the service life of air conditioner
Match, conducive to promoting the use of for laser dust sensor, while improving the Detection of Air Quality precision of air conditioner.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments for those of ordinary skill in the art without having to pay creative labor, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the block diagram of the monitoring device of powder-like waste disclosed in this invention for air conditioner；
Fig. 2 is the flow chart of the control method of the monitoring device of powder-like waste for air conditioner of the embodiment of the present invention；
The method that Fig. 3 sets gap periods preset value for generation in the monitoring device of powder-like waste for air conditioner of the embodiment of the present invention
Flow chart；
Flow chart when Fig. 4 is the monitoring device of powder-like waste Monito ping at intervals for air conditioner of the embodiment of the present invention.
Specific implementation mode
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
The every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Following disclosure provides many different embodiments or example is used for realizing the different structure of the present invention.For letter
Change disclosure of the invention, hereinafter the component of specific examples and setting are described.Certainly, they are merely examples, and
It is not intended to limit the present invention.In addition, the present invention can in different examples repeat reference numerals and/or letter.It is this heavy
It is for purposes of simplicity and clarity, itself not indicate the relationship between discussed various embodiments and/or setting again.Separately
Outside, fisrt feature described below may include that the first and second features are formed as directly connecing in the structure of second feature its " upper "
Tactile embodiment, can also be formed in the embodiment between the first and second features including other feature, and such first and
Two features may not be to be in direct contact.
In the description of the present invention, it should be noted that unless otherwise specified and limited, term " installation " " connection " should be done
It broadly understood, for example, it may be mechanical connection or electrical connection, can also be the connection inside two elements, can be direct phase
Even, it can also manage as the case may be indirectly connected through an intermediary, for the ordinary skill in the art
Solve the concrete meaning of above-mentioned term.
With reference to the accompanying drawings to proposed by the present invention for the monitoring device of powder-like waste of air conditioner, air conditioner and for air-conditioning
The control method of the monitoring device of powder-like waste of device is described.
As shown in Figure 1, monitoring device of powder-like waste 100 includes laser dust sensor 102, and passed for controlling laser dust
The controller 101 of sensor.Controller 101 also receives the detection signal of laser dust sensor 102 simultaneously.Presently disclosed
The monitoring device of powder-like waste for air conditioner in, the start and stop of monitoring device of powder-like waste and detection process are automatic complete by controller control
At without human intervention.Monitoring device of powder-like waste is arranged on air conditioner room unit or is established with air conditioner room unit long-range logical
News.
As shown in Fig. 2, in the operational process of monitoring device of powder-like waste, the startup or closing of laser dust sensor are according to sky
The working condition of device is adjusted to be controlled.If air conditioner is in open state, controller control laser dust sensor is in
Continuous monitor state, forms continuous monitoring signals, and air conditioner room unit control chip can obtain monitoring parameters, and profit in time
Next step intelligent control is carried out with the testing result of monitoring device of powder-like waste.As air conditioner is set with the journey to link with fresh air system
Sequence can then control fresh air system operation, to indoor carry out inletting fresh air processing, improve indoor air quality, such as air conditioner and sky
Gas purifier links, then can control air purifier operation, and purified treatment is carried out to room air.
When air conditioner is in standby, usually indoor nobody or user feel comfortable state.This
Under state, control laser dust sensor is in Monito ping at intervals state.As shown in figure 4, in step s 302, being waited in controller
Machine cycle timer is started to work.In step S303, judge whether the timing time of standby period timer is more than between setting
Phase preset value every other week；If the timing time of standby period timer is more than setting gap periods preset value, in step
In S304, controller controls laser dust sensor and opens, and works at the same time cycle timer and starts timing.In control laser dust
While sensor is opened, controller samples the detected value of a laser dust sensor, and as shown in step S305, according to inspection
Measured value judges the air quality under the conditions of current indoor in advance, if current air mass is relatively good, appropriate reduce is swashed
The opening time of light dust sensor so that when used for a long time, the service life of laser dust sensor as possible with air conditioner
Service life matching；If current air mass is relatively poor, laser dust sensor is needed to keep relatively long work
Make the time.It is preferred, therefore, that the detected value positive correlation of setting work period preset value and laser dust sensor.I.e. if swashed
The concentration of the detected value PM2.5 of light dust sensor is higher, then the setting work period preset value generated is larger, if laser powder
The concentration of the detected value PM2.5 of dust sensor is relatively low, then the setting work period preset value generated is smaller.In step S305,
The detected value that controller receives when being opened according to laser dust sensor generates setting work period preset value, and further sentences
Whether the timing time for determining work period timer is more than setting work period preset value.When the timing of work period timer
Between be more than setting work period preset value when, in step S306, controller control laser dust sensor close.By above-mentioned
Mode, can be by controller according to the use state intelligent control laser powder of air quality and air conditioner device in air-conditioned room
The start and stop of dust sensor, in the case of in air-conditioned room, nobody or user's subjective feeling are comfortable, and air quality is preferable, intelligence
Control reduces the working time of laser dust sensor, extends its service life and is matched with the service life of air conditioner；In sky
In the case that tune room no man or user's subjective feeling are comfortable, and air quality is poor, the opposite laser dust that improves of intelligence passes
The working time of sensor reaches using effect and the balance of working time.The powder for air conditioner that above-described embodiment is provided
Dirt monitoring device has the advantages that intelligence degree is high.Controller can be a microcontroller or it is other it is similar can be real
The integrated circuit or control device of existing said function.Standby period timer and work period timer can be independent meters
When circuit, can also be microcontroller timer interrupt, be not the present invention key protection point, do not further limit herein.
Preferably, in step S07, when controller controls the closing of laser dust sensor, controller resets standby period
Timer, standby period timer restart timing.In this way, even if air conditioner is in standby and the air of air-conditioned room
Consecutive variations occur for quality, the consecutive variations of air quality can be also responded in each cycle, to laser dust sensor
Work period is flexibly adjusted.
Specifically, when generating the setting work period.It is stored with the set interval of detected value in the controller.If it is determined that
When the detected value of laser dust sensor belongs to first interval, work period preset value is set as the first work period；If sentenced
When determining the detected value of laser dust sensor and belonging to second interval, work period preset value is set as the second work period；If
When the detected value of judgement laser dust sensor belongs to 3rd interval, work period preset value is set as the third work period.Its
Middle first interval, second interval and 3rd interval keep the trend successively decreased, specifically, as first interval, second interval and
The lower threshold of 3rd interval successively decreases successively.The siding-to-siding block length of first interval, second interval and 3rd interval can be set to
It is identical, increasing or decreasing can also be set as.If using incremental set-up mode, more focus on keeping laser dust
The sensor rational working time, and if using the set-up mode to successively decrease, more focus on ensureing laser dust sensor
Monitoring effect.If first interval, second interval are identical with the setting length of 3rd interval, preferably, corresponding first work
Make period, the second work period and third work period constant gradient to successively decrease, to ensure that monitoring result is steady, avoids fluctuating.Citing
For, first interval can be set as, 375ppm ＞ PM2.5 ＞ 250ppm, the first work period was 3 minutes, and second interval is,
250ppm ＞ PM2.5 ＞ 125ppm, the second work period are 2 minutes, and 3rd interval is 125ppm ＞ PM2.5 ＞ 0ppm, third
Work period is 1 minute.
Setting gap periods preset value can be arranged by experience.But it more preferably, generates in the following manner, such as
Shown in Fig. 3：
Step S201, setting air conditioner, which averagely freezes, uses PcAnd/or setting air conditioner averagely heats service life Ph.Wherein,
Air conditioner averagely freezes service life PcAnd/or air conditioner averagely heats service life PhBig data server calls can be passed through
User's average data of air conditioner using area obtains.Air conditioner averagely freezes service life PcUse is averagely heated with air conditioner
Period PhUnit be day.
Step S202, setting air conditioner, which is averaged, uses duration T dayP1, air conditioner, which is averaged, uses duration T dayP1It can use and use
Family air conditioner account is inquired on the server to be obtained.Air conditioner, which is averaged, uses duration T dayP1Unit be hour.
Step S203, setting air conditioner average life TP2, air conditioner service life average life TP2Pass through experiment
It obtains, preferably an empirical value.Air conditioner average life TP2For year.
Step S204, according to the service life of averagely freezing, averagely heat service life, average day uses duration, flat
Equal service life calculates average continuous monitor state cycle TP3=（Pc+Ph）× TP1×TP2.Average continuous monitor state cycle TP3
Unit be hour.
Step S205 further calculates average standby mode cycle TP4=（Pc+Ph）× （24- TP1）×TP2+（365-
Pc-Ph）×24×TP2。
Step S206, according to average laser dust sensor service life T0, average continuous monitor state period, averagely wait for
Machine period of state calculate standby mode under laser dust sensor maximum allowable working time T hourly, wherein T=（T0-
TP3）/ TP4×60。
Step S207 sets the maximum of T of the setting work periodmax, the setting gap periods preset value t=
60/T/Tmax。
For example, by calling the data of big data server that can obtain air conditioner in some geographic area, averagely
It is used 90 in summer, use in winter 90 days, the average day for being provided with the air conditioner of monitoring device of powder-like waste uses duration TP1It is 15
Hour, air conditioner service life average life TP2It is 6 years.Averagely continuous monitor state cycle T can then be obtainedP3=（90+90）
× 15 × 6=16200 hours.
It may further obtain average standby mode cycle TP4=（90+90）× （24- 15）×6+（365- 90-90）×
24 × 6=36360 hours.
For the laser dust sensor of a certain model, average laser dust sensor service life T0It is 27000
Hour, then may further calculate laser dust sensor under standby mode maximum allowable working time T hourly, T=
（27000- 16200）/ 36360 × 60 ≈ 18 minutes.
The maximum of T of one setting work period of settingmax.Preferably, the maximum of T of work period is setmaxWith first
Work period is equal, represents under the operating status of interval, permission working time when pollution condition is the most serious.It is preferably set to 3
Minute.Set gap periods preset value t=60/18/3=10 minute.
In this way, it when generating setting gap periods preset value, adequately considers monitoring device of powder-like waste and uses area
Domain, be provided with monitoring device of powder-like waste air conditioner use habit, the model characteristic of laser dust sensor, between the setting of generation
Phase preset value is more reasonable every other week, and Reasonable Protection laser dust sensor makes its service life and the service life phase of air conditioner
Matching.
The present invention also protects a kind of air conditioner simultaneously, includes the powder described in detail such as above-described embodiment and Figure of description
Dirt monitoring device.The concrete structure of monitoring device of powder-like waste and the course of work referring to above-described embodiment detailed description, herein no longer
It repeats, same technique effect may be implemented in the air conditioner for being provided with above-mentioned monitoring device of powder-like waste.
The present invention also discloses the control methods of the above-mentioned monitoring device of powder-like waste for air conditioner, as shown in Fig. 2, packet
Include following steps：
S1 samples the working condition of air conditioner；
If S2 air conditioners are in open state, control laser dust sensor is opened and keeps continuously monitoring；
If S3 air conditioners are in standby, control laser dust sensor distance monitoring；
When the laser dust sensor distance monitors, standby period timer and work period timer start timing,
In, when the timing time of standby period timer is more than setting gap periods preset value, control laser dust sensor is opened,
Work period timer starts timing；
Detected value when being opened according to laser dust sensor generates setting work period preset value, when the work period timing
When the timing time of device is more than setting work period preset value, control laser dust sensor is closed.
Preferably, setting gap periods preset value therein is also generated using the method such as Fig. 3.
In conclusion the monitoring device of powder-like waste, air conditioner and monitoring device of powder-like waste disclosed in this invention for air conditioner
Control method can be swashed according to the use state intelligent control of air quality and air conditioner in air-conditioned room by controller
The start and stop of light dust sensor, in the case of in air-conditioned room, nobody or user's subjective feeling are comfortable, and air quality is preferable,
Intelligent control reduces the working time of laser dust sensor, extends its service life；Air-conditioned room nobody or use householder
Perception is by comfortable, and in the case that air quality is poor, and the intelligence opposite working time for improving laser dust sensor, reaching makes
With the balance of effect and working time.From long-time service angle so that the service life and air-conditioning of laser dust sensor
The service life of device matches, and halfway without needing to change, promotes laser dust sensor that can promote the use of a large area.
It should be noted that any process described otherwise above or method description can be managed in flow chart or herein
Xie Wei, expression includes the steps that one or more codes for realizing specific logical function or the executable instruction of process
Module, segment or part, and the range of the preferred embodiment of the present invention includes other realization, wherein can not press shown
The sequence for going out or discussing, include according to involved function by it is basic simultaneously in the way of or in the opposite order, to execute function,
This should be understood by the embodiment of the present invention person of ordinary skill in the field.
It should be appreciated that each section of the present invention can be realized with hardware, software, firmware or combination thereof.Above-mentioned
In embodiment, software that multiple steps or method can in memory and by suitable instruction execution system be executed with storage
Or firmware is realized.It, and in another embodiment, can be under well known in the art for example, if realized with hardware
Any one of row technology or their combination are realized:With the logic gates for realizing logic function to data-signal
Discrete logic, with suitable combinational logic gate circuit application-specific integrated circuit, programmable gate array (PGA), scene
Programmable gate array (FPGA) etc..
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, it can also
That each unit physically exists alone, can also two or more units be integrated in a module.Above-mentioned integrated mould
The form that hardware had both may be used in block is realized, can also be realized in the form of software function module.The integrated module is such as
Fruit is realized in the form of software function module and when sold or used as an independent product, can also be stored in a computer
In read/write memory medium.
Those skilled in the art are appreciated that realize all or part of step that above-described embodiment method carries
Suddenly it is that relevant hardware can be instructed to complete by program, the program can be stored in a kind of computer-readable storage medium
In matter, which includes the steps that one or a combination set of embodiment of the method when being executed.
In the description of this specification, the description of reference term " some embodiments " etc. means to combine the embodiment or example
Particular features, structures, materials, or characteristics described are included at least one embodiment or example of the invention.In this explanation
In book, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, the specific spy of description
Sign, structure, material or feature can be combined in any suitable manner in any one or more of the embodiments or examples.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, various embodiments of the present invention technical solution that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (8)
1. a kind of monitoring device of powder-like waste for air conditioner, which is characterized in that including
Laser dust sensor；
Controller, the controller are used to starting or closing the laser dust sensor according to the working condition of air conditioner；
If air conditioner is in open state, the controller controls the laser dust sensor and is in continuous monitor state；
If air conditioner is in standby, the standby period timer in the controller is started to work；When the standby week
When the timing time of phase timer is more than setting gap periods preset value, the controller controls the laser dust sensor and opens
It opens, the work period timer starts timing；The controller samples one while the laser dust sensor is opened
The detected value of a laser dust sensor；The controller generates setting work period preset value according to the detected value,
When the timing time of the work period timer is more than setting work period preset value, the controller controls the laser
Dust sensor is closed.
2. the monitoring device of powder-like waste according to claim 1 for air conditioner, it is characterised in that：
When the controller, which controls the laser dust sensor, closes, the controller resets the standby period timing
Device, the standby period timer restart timing.
3. the monitoring device of powder-like waste according to claim 2 for air conditioner, it is characterised in that：
The detected value positive correlation of setting the work period preset value and the laser dust sensor.
4. the monitoring device of powder-like waste according to claim 3 for air conditioner, it is characterised in that：
When the detected value of the laser dust sensor belongs to first interval, the work period preset value that sets is the first work
Make the period；
When the detected value of the laser dust sensor belongs to second interval, the work period preset value that sets is the second work
Make the period；
When the detected value of the laser dust sensor belongs to 3rd interval, the work period preset value that sets is third work
Make the period；
The lower threshold of the first interval, second interval and 3rd interval successively decreases successively, first work period, the second work
Make the period and third work period constant gradient successively decreases.
5. the monitoring device of powder-like waste according to claim 4 for air conditioner, which is characterized in that the setting gap periods
Preset value t is generated by the following method：
Setting air conditioner averagely freezes service life PcAnd/or setting air conditioner averagely heats service life Ph；
Setting air conditioner, which is averaged, uses duration T dayP1；
Set air conditioner average life TP2；
It is calculated using duration, average life according to the service life of averagely freezing, averagely heating service life, average day
Average continuous monitor state cycle TP3=（Pc+Ph）× TP1×TP2；
Calculate average standby mode cycle TP4=（Pc+Ph）× （24- TP1）×TP2+（365- Pc-Ph）×24×TP2；
According to average laser dust sensor service life T0, average continuous monitor state period, average standby mode period meter
Calculate standby mode under laser dust sensor maximum allowable working time T hourly, wherein T=（T0- TP3）/ TP4×60;
Set the maximum of T of the setting work periodmax, the setting gap periods preset value t=60/T/Tmax。
6. the monitoring device of powder-like waste according to claim 5 for air conditioner, the maximum of T of the setting work periodmax
Equal to first work period.
7. a kind of air conditioner, which is characterized in that including such as claim 1 to 6 any one of them monitoring device of powder-like waste.
8. a kind of control method of monitoring device of powder-like waste such as claim 1 to 6 any one of them for air conditioner, including with
Lower step：
Sample the working condition of air conditioner；
If air conditioner is in open state, control laser dust sensor is opened and keeps continuously monitoring；
If air conditioner is in standby, control laser dust sensor distance monitoring；
When the laser dust sensor distance monitors, standby period timer and work period timer start timing,
In, when the timing time of standby period timer is more than setting gap periods preset value, control laser dust sensor is opened,
Work period timer starts timing；
Detected value when being opened according to laser dust sensor generates setting work period preset value, when the work period timing
When the timing time of device is more than setting work period preset value, control laser dust sensor is closed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711420348.6A CN108332391B (en) | 2017-12-25 | 2017-12-25 | A kind of monitoring device of powder-like waste, air conditioner and its control method for air conditioner |
| PCT/CN2018/107440 WO2019128346A1 (en) | 2017-12-25 | 2018-09-26 | Dust monitoring device for use with air conditioner, air conditioner and control method therefor |
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| CN201711420348.6A CN108332391B (en) | 2017-12-25 | 2017-12-25 | A kind of monitoring device of powder-like waste, air conditioner and its control method for air conditioner |
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| CN109595738A (en) * | 2018-11-30 | 2019-04-09 | 广东美的制冷设备有限公司 | Control method, device and the air conditioner with it of air conditioner |
| WO2019128346A1 (en) * | 2017-12-25 | 2019-07-04 | 青岛海尔空调器有限总公司 | Dust monitoring device for use with air conditioner, air conditioner and control method therefor |
| CN112628972A (en) * | 2020-12-25 | 2021-04-09 | 珠海格力电器股份有限公司 | Dust sensor cleaning control method, device and system and air conditioner |
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Also Published As
| Publication number | Publication date |
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| WO2019128346A1 (en) | 2019-07-04 |
| CN108332391B (en) | 2019-11-05 |
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