CN110360707A - A kind of judgment method of intelligent fresh air system filter replacement - Google Patents
A kind of judgment method of intelligent fresh air system filter replacement Download PDFInfo
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- CN110360707A CN110360707A CN201910650062.XA CN201910650062A CN110360707A CN 110360707 A CN110360707 A CN 110360707A CN 201910650062 A CN201910650062 A CN 201910650062A CN 110360707 A CN110360707 A CN 110360707A
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- fresh air
- air system
- speed
- filter
- fan
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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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
-
- 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
Abstract
The invention discloses a kind of judgment methods of intelligent fresh air system filter replacement, comprising: the output power of blower is constant in intelligent fresh air system；By being packed into the simulation dust accumulation filter of end-of-life in the intelligent fresh air system being installed in place in actual use place, the rotation speed of fan obtained under different wind-speed gears is used as referring to revolving speed；Detection is packed into real-time rotation speed of fan of the intelligent fresh air system of new filter under real use state；Comparison according to the variation of real-time rotation speed of fan and its with reference revolving speed corresponding to current wind-speed gear, judges whether to need to replace filter.The judgment method of above-mentioned intelligent fresh air system filter replacement solves the problems such as comparison threshold value acquisition time existing in the prior art is long, filter service life judgement resultant error is big, at high cost and realization is complex.
Description
Technical field
The present invention relates to fresh air system technical fields, and in particular to a kind of judgement side of intelligent fresh air system filter replacement
Method.
Background technique
After fresh air system is started to work, the filters such as HEPA begin to slowly dust accumulation, with the increase of dust accumulation amount, filter
Resistance becomes larger, dust accumulation to a certain extent after, the corresponding augmented resistance of unit dust accumulation amount increment institute will be doubled and redoubled, if not
The replacement filters such as HEPA in time, excessively high resistance will will affect the air quantity of blower, and with the increase of dust accumulation amount, in filter
It is easy to produce mildew or breeds bacterium, in addition, the grit under original has been blocked can fall off after volume increase from filter screen
Get off, and be fed through interior with air duct, causes the secondary pollution of room air；Therefore, when filter dust accumulation to a certain extent
Later, the operation for reminding user to replace filter in time is necessary.
Currently, the judgment method for reminding user to replace filter in intelligent fresh air system mainly has chronometry and pressure differential method,
Wherein, chronometry is affected by outside ambient air performance figure, there is a problem of determining that resultant error is larger；Pressure difference
Method is changed by testing filters resistance determines that dust accumulation amount is that comparison is scientific, still, the realization of this method is more complicated, at
This is higher, and deposition of the dust on static pressure transducer can also have an impact the detection of static pressure transducer；In view of the above-mentioned problems,
A kind of fresh air system filter device was disclosed in the Patent No. CN104848505A patent of China's application on April 6th, 2015
Jam judging method and fresh air host and fresh air system, this method in experimental situation by simulating filter device from completely newly to mistake
The course of work of effect simultaneously obtains power corresponding to different wind speed, and the time of previous experiments need to be up to the several months, is consumed
Equipment cost and time cost it is larger, and since experimental situation and practical service environment often have differences, this method
Also having ignored fresh air system can be with there are factors such as the length of the fresh air pipeline of installation, variable diameter, sewing, elbows in actual installation
Experimental situation has differences, and the resistance of fresh air system entirety is not only related with filter, even more the dynamic external with these because
Element it is closely related, it is seen then that fresh air system factory before in the experimental situation of factory by simply obtain threshold value as than
Pair basic data, determine result can also have error.
Summary of the invention
It is an object of the invention to overcome the problems, such as drawbacks described above present in background technique or, a kind of intelligent fresh air system is provided
It unites the judgment method of filter replacement, to solve, comparisons threshold value acquisition time existing in the prior art is long, filter uses the longevity
Life determines the problems such as resultant error is big, at high cost and realization is complex.
To reach above-mentioned purpose, the present invention adopts the following technical scheme:
A kind of judgment method of intelligent fresh air system filter replacement, comprising: blower is defeated in the intelligent fresh air system
Power invariability out；By the simulation for being packed into end-of-life in the intelligent fresh air system being installed in place in actual use place
Dust accumulation filter, the rotation speed of fan obtained under different wind-speed gears are used as referring to revolving speed；The intelligence that detection is packed into new filter is new
Real-time rotation speed of fan of the wind system under real use state；According to real-time rotation speed of fan variation and its with current wind-speed gear
The comparison of corresponding reference revolving speed, judges whether to need to replace filter.
Further, determine that needing to carry out filter replacement meets the following conditions: the intelligent fresh air system certain the
The real-time rotation speed of fan that one moment measured is greater than referring to revolving speed corresponding to current wind-speed gear, and artificially sets from the first moment
Real-time rotation speed of fan measured by any time is all larger than corresponding to current wind-speed gear referring to revolving speed in fixed first period.
Further, it when the first period of artificial settings reaches from first moment, issues filter replacement and reminds.
Further, further includes: by adjusting the intelligence equipped with new filter being installed in place in actual use place
Can fresh air system wind-speed gear, acquire the correspondence rotation speed of fan under different wind-speed gears, and by acquired different wind speed shelves
Corresponding rotation speed of fan is as rated rotational frequency under position.
Further, further includes: according to real-time rotation speed of fan variation and its with reference corresponding to current wind-speed gear
The comparison of revolving speed, judges whether filter enters replacement probationary period；Determine filter enter replacement probationary period at least meets below
Condition: the intelligent fresh air system is greater than mark corresponding to current wind-speed gear in the real-time rotation speed of fan that certain second moment measures
Quasi- revolving speed, and the absolute value of difference between the two is more than or equal to the first value being manually set, and the first value is less than current wind speed shelves
The absolute value of the difference of rated rotational frequency corresponding to reference revolving speed corresponding to position and current wind-speed gear；The people from the second moment
Standard corresponding to current wind-speed gear is all larger than for real-time rotation speed of fan measured by any time in the second phase of setting
Revolving speed and it is less than corresponding to current wind-speed gear referring to revolving speed.
Further, it when the second phase of artificial settings reaches from second moment, issues filter maintenance and reminds simultaneously
Into replacement probationary period.
Further, the output power of blower is adjusted by motor driving plate in the intelligent fresh air system, wherein
The revolving speed of blower is calculated by P=π/30*T*n, and P is the output power of blower, and T is the torque of blower, and n is the revolving speed of blower.
A kind of judgment method of intelligent fresh air system filter replacement, comprising: blower turns in the intelligent fresh air system
Speed is constant；By the simulation dust accumulation for being packed into end-of-life in the intelligent fresh air system being installed in place in actual use place
Filter, the power obtained under different wind-speed gears are used as referring to power；The intelligent fresh air system that detection is packed into new filter exists
Real-time power of fan under real use state；According to real-time power of fan variation and its with corresponding to current wind-speed gear
Referring to the comparison of power, judge whether to need to replace filter.
Further, determine that needing to carry out filter replacement meets the following conditions: the intelligent fresh air system certain the
The real-time power of fan that three moment measured is less than referring to power corresponding to current wind-speed gear, and artificially sets from the third moment
Real-time power of fan measured by any time is respectively less than corresponding to current wind-speed gear referring to revolving speed during fixed third.
Further, it when being reached during the third of artificial settings from the third moment, issues filter replacement and reminds.
Further, further includes: by adjusting the intelligence equipped with new filter being installed in place in actual use place
Can fresh air system wind-speed gear, acquire the correspondence power of fan under different wind-speed gears, and by acquired different wind speed shelves
Corresponding power of fan is as calibration power under position.
Further, further includes: according to real-time rotation speed of fan variation and its with reference corresponding to current wind-speed gear
The comparison of power, judges whether filter enters replacement probationary period；Determine filter enter replacement probationary period at least meets below
Condition: the intelligent fresh air system is less than mark corresponding to current wind-speed gear in the real-time power of fan that certain the 4th moment measures
Power is infused, and the absolute value of difference between the two is more than or equal to the second value being manually set, and second value is less than current wind speed shelves
The absolute value of the difference of calibration power corresponding to reference power corresponding to position and current wind-speed gear；The people from the 4th moment
Real-time power of fan measured by the fourth phase interior any time for setting is respectively less than standard corresponding to current wind-speed gear
Power and it is greater than corresponding to current wind-speed gear referring to power.
Further, it when being reached between the fourth phase of artificial settings from the 4th moment, issues filter maintenance and reminds simultaneously
Into replacement probationary period.
Further, the power of blower is calculated by the electric current and voltage for acquiring blower in the intelligent fresh air system
?.
A kind of judgment method of intelligent fresh air system filter replacement, comprising the following steps: the intelligence in experimental situation
It is packed into new filter in fresh air system, and obtains fan parameter corresponding to different wind-speed gears as first referring to parameter；?
The simulation dust accumulation filter of end-of-life is packed into intelligent fresh air system in experimental situation, and it is right to obtain different wind-speed gear institutes
The fan parameter answered is as second referring to parameter；In actual use place, it is loaded into the intelligent fresh air system of new filter
It is installed in place；The wind-speed gear of intelligent fresh air system, acquires the correspondence wind under different wind-speed gears in adjustment actual use place
Machine parameter, which is used as, uses parameter；According to use parameter calculate obtain actual use place in intelligent blower system in different wind speed shelves
The lower corresponding end-of-life parameter in position；The fan parameter of intelligent fresh air system in real-time monitoring actual use place, and with
The end-of-life parameter of current wind-speed gear is compared, and whether reaches end-of-life parameter according to real-time fan parameter, judges
Whether need to replace filter；Wherein, the fan parameter is intelligent fresh air system with the wind of constant rotary speed working
Rotation speed of fan when machine power or intelligent fresh air system are worked with constant output power；Described first referring to parameter, the second ginseng
It is corresponding rotation speed of fan or power of fan parameter according to parameter, using parameter and end-of-life parameter；The end-of-life
Parameter is by first referring to parameter, and/the second reference parameter=is calculated using parameter/end-of-life parameter and is obtained.
Further, determine that needing to carry out filter replacement meets the following conditions: the intelligent fresh air system certain the
The real-time fan parameter that five moment measured reaches end-of-life parameter corresponding to current wind-speed gear, and the people from the 5th moment
Real-time fan parameter measured by the fifth phase interior any time for setting is met or exceeded corresponding to current wind-speed gear
End-of-life parameter, then when being reached between the fifth phase of artificial settings from the 5th moment, issue filter replacement remind.
By the above-mentioned description of this invention it is found that compared with the existing technology, have following of the present invention the utility model has the advantages that
1, the judgment method of intelligent fresh air system filter replacement provided by the invention, by using the simulation of end-of-life
Dust accumulation filter obtains the comparison threshold data under different wind-speed gears, both effectively saves the acquisition time of data, and compare
Time consumption reliable to result, before reduction product export on experimental period, can effectively promote the performance of enterprises；The present invention
In order to reduce intelligent fresh air system installation Shi Suocun the factors such as length, variable diameter, sewing, the elbow of fresh air pipeline of installation shadow
Ring, by be packed into the fresh air system that is installed in place of actual use place new, old filter carry out data acquisition or by
The fresh air system of experimental situation be fitted into new, old filter carry out data acquisition and in the fresh air system in actual use place
The proportional reference of data and use are actually used, external world's dynamic factor is to the resistance of fresh air system when effectively eliminating installation
It influences, guarantees that the data of blower revolving speed under the premise of firm power can be a fixed value or wind under shelves wind-speed gear
The data of machine power under the premise of constant rotational speed can be a fixed value, to ensure that the validity and standard for determining result
True property.
2, the judgment method of the first intelligent fresh air system filter replacement provided by the invention, intelligent fresh air system apoplexy
Machine output power is constant；Intelligent fresh air system is installed in place in actual use place, is then charged into the simulation of end-of-life
Dust accumulation filter, to obtain the rotation speed of fan under different wind-speed gears as referring to revolving speed；When normal use, pass through real time monitoring
Real-time rotation speed of fan under the current wind-speed gear of intelligent fresh air system, then be compared with referring to revolving speed, you can learn that fresh air system
What state the dust accumulation resistance of system is under, that is, if such as finds under current wind-speed gear during normal operation
Real-time rotation speed of fan is more than normal value and has been more than the reference revolving speed simulated under current wind-speed gear corresponding to dust accumulation filter,
It can determine that filter is replaced；It can using the installation dynamic factor that the judgment method not only excludes intelligent fresh air system
Influence of the energy bring to resistance, data acquiring mode simplicity, the acquisition speed referring to revolving speed are very fast；Simultaneously, it is thus also avoided that adopt
With the use of the Acquisition Circuit of electric current and voltage, overall cost is lower；Guarantee that user can carry out the service life of filter
Effectively judges and replaced.
3, in the judgment method of the first intelligent fresh air system filter replacement, if intelligent fresh air system is at the first moment
It measures, real-time rotation speed of fan is greater than referring to revolving speed corresponding to current wind-speed gear, and is continuing appointing in first period later
Real-time rotation speed of fan measured by the meaning moment is all larger than corresponding to current wind-speed gear referring to revolving speed, then can determine that currently used
Intelligent fresh air system in the dust accumulation amount of filter had reached the dust accumulation degree opposite with the filter of end-of-life, by
This can remind user to replace filter according to the judgement result, avoid the secondary pollution and energy consumption of air
Take.
4, in the judgment method of the first intelligent fresh air system filter replacement, before intelligent fresh air system use,
By adjusting wind-speed gear, it can be achieved that acquiring correspondence rotation speed of fan under different wind-speed gears as rated rotational frequency；As a result,
The normal tachometer value of should reach under intelligent fresh air system normal operating condition later is compared, to determine just
Whether the parameter for being often used the intelligent fresh air system in the case where new filter is normal, is used with excluding new filter at the beginning
When the case where being exactly abnormal state.
It 5, further include judging whether filter enters in the judgment method of the first intelligent fresh air system filter replacement
Replace probationary period, with remind in advance user prepare replacement filter, specific judgment method are as follows: when intelligent fresh air system certain second
Moment detects that real-time rotation speed of fan is greater than rated rotational frequency corresponding to current wind-speed gear, and difference between the two is absolute
Value is more than or equal to the first value being manually set, and first is greater than corresponding to current wind-speed gear referring to revolving speed and current wind speed shelves
The absolute value of the difference of rated rotational frequency corresponding to position, meanwhile, when any in the second phase of artificial settings from the second moment
Measured real-time rotation speed of fan is carved to be all larger than rated rotational frequency corresponding to current wind-speed gear and be less than current wind-speed gear institute
It is corresponding referring to revolving speed, for example for, when intelligent fresh air system is in the real-time rotation speed of fan that certain second moment detects
3300 turns, rated rotational frequency is 3000 turns, and the difference which is less than rated rotational frequency and the two has been more than the of setting
One 250 turns of value, meanwhile, which is less than referring to revolving speed, if then real-time rotation speed of fan is still kept within the second phase
Under a higher level, then it can determine whether that filter enters replacement probationary period at this time, makes anticipation result in advance for user.
6, in intelligent fresh air system, when the dust accumulation on filter increases, the overall resistance of intelligent fresh air system increases, resistance
The torque that power increase will lead to blower becomes smaller, by the constant characteristic of the output power of blower it is found that the torque of blower becomes smaller band
Carry out revolving speed to get higher, it as a result, can be according to the dust accumulation situation for judging the judgement of rotation speed of fan filter.
7, the judgment method and the first intelligent behaviour of second of intelligent fresh air system filter replacement provided by the invention
Consistent in the judgment method thinking of system filters replacement, the installation dynamic factor that can equally exclude intelligent fresh air system can
Influence of the energy bring to resistance, data acquiring mode simplicity, the acquisition speed referring to power are very fast；Guarantee that user can be to mistake
The service life of filter is effectively judged and is replaced.
8, in the judgment method of second of intelligent fresh air system filter replacement, when the dust accumulation on filter increases,
The overall resistance of intelligent fresh air system increases, and the air quantity of output is reduced, and the output power of blower is reduced, as a result, can be according to wind
The dust accumulation situation of machine output power determined to judge filter.
9, the judgment method of the third intelligent fresh air system filter replacement provided by the invention, by experimental situation
Newly, then fan parameter corresponding to the corresponding different wind-speed gears of old filter in actual use place, passes through the service life
Terminal parameter is shifted onto out referring to parameter=using parameter/end-of-life parameter relationship by first referring to parameter/the second practical
End-of-life parameter corresponding to current wind-speed gear when use, then in real time join the parameter of running blower and end-of-life
Number is compared, and judges come the dust accumulation situation to filter；When the use parameter real-time monitored reaches end-of-life ginseng
It can determine that filter is replaced when number；The installation dynamic factor which not only excludes intelligent fresh air system can energy band
The influence to resistance come, meanwhile, second obtained under being to have obtained using end-of-life filter state in the experimental stage
Referring to parameter, thus avoid reducing answering for installation the case where erecting bed also needs one old filter of band to be simulated
Miscellaneous degree is conducive to improve installation effectiveness.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below to needed in embodiment description
Attached drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the relational graph in the embodiment of the present invention one between blower and motor driving plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description.Obviously, described embodiment is the preferred embodiment of the present invention, and is not to be seen as the row to other embodiments
It removes.Based on the embodiment of the present invention, those skilled in the art are obtained all under the premise of not making creative work
Other embodiments shall fall within the protection scope of the present invention.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, such as using term " the
One ", " second " or " third " etc. are provided to distinguish different objects, be not use to describe a particular order.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, for the noun of locality, such as
Using term " center ", " transverse direction ", " longitudinal direction ", "horizontal", " vertical ", "top", "bottom", "inner", "outside", "upper", "lower",
The indicating positions such as "front", "rear", "left", "right", " clockwise ", " counterclockwise " or positional relationship are orientation based on the figure
And positional relationship, and be merely for convenience of the narration present invention and simplify description, rather than the device or member of indication or suggestion meaning
Part must have a particular orientation or be constructed and operated in a specific orientation, so can not be interpreted as limiting of the invention specific
Protection scope.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, such as using term " Gu
Connect " or " being fixedly connected ", it should broadly understood, i.e., between the two without any connection side of displacement relation and relative rotation relationship
Formula, that is to say, that including be unremovably fixedly connected with, be removably secured connection, be linked together and by other devices or
Element is fixedly connected.
In claims of the present invention, specification and above-mentioned attached drawing, such as using term " includes ", " having " and they
Deformation, it is intended that " including but not limited to ".
The judgment method of intelligent fresh air system filter replacement provided by the embodiment of the present invention includes the following three types implementation
Mode:
The judgment method of the intelligent fresh air system filter replacement of embodiment one includes: the defeated of blower in intelligent fresh air system
Power invariability out；By the simulation for being packed into end-of-life in the intelligent fresh air system being installed in place in actual use place
Dust accumulation filter, the rotation speed of fan obtained under different wind-speed gears are used as referring to revolving speed r1；Detection is packed into the intelligence of new filter
Real-time rotation speed of fan r of the fresh air system under real use state0；According to real-time rotation speed of fan variation and its with current wind speed
Referring to revolving speed r corresponding to gear1Comparison, judge whether to need to replace filter.
Wherein, determine that needing to carry out filter replacement meets the following conditions: intelligent fresh air system is in certain the first moment t1
The real-time rotation speed of fan r measured0Greater than reference revolving speed r corresponding to current wind-speed gear1, and from the first moment t1It rises and artificially sets
Fixed first phase T1Real-time rotation speed of fan r measured by interior any time0Reference corresponding to current wind-speed gear is all larger than to turn
Fast r1.As the first moment t1Act the first period T being manually set1When arrival, issues filter replacement and remind.
In the above method further include: by adjusting the intelligence equipped with new filter being installed in place in actual use place
Can fresh air system wind-speed gear, acquire the correspondence rotation speed of fan under different wind-speed gears, and by acquired different wind speed shelves
Corresponding rotation speed of fan is as rated rotational frequency r under position2。
It preferably, further include the judgement that replacement probationary period is carried out before being replaced to filter in the above method, specifically
It include: according to real-time rotation speed of fan r0Variation and its with corresponding to current wind-speed gear referring to revolving speed r1Comparison, judged
Whether filter enters replacement probationary period；Determine filter enter replacement probationary period at least meet the following conditions:
Intelligent fresh air system is in certain the second moment t2The real-time rotation speed of fan r measured0Greater than corresponding to current wind-speed gear
Rated rotational frequency r1, and the absolute value of difference between the two is more than or equal to the first value △ r being manually set, and the first value △ r is less than
Referring to revolving speed r corresponding to current wind-speed gear1With rated rotational frequency r corresponding to current wind-speed gear2Difference absolute value；
From the second moment t2Act the second phase T being manually set2Real-time rotation speed of fan r measured by interior any time0It is all larger than current wind
Rated rotational frequency r corresponding to fast gear2And it is less than corresponding to current wind-speed gear referring to revolving speed r1；As the second moment t2Play people
For the second phase T of setting2When arrival, issues filter maintenance and remind and enter replacement probationary period.
The output power of blower is adjusted by motor driving plate in above-mentioned intelligent fresh air system, wherein blower turns
Speed is calculated by P=π/30*T*n, and P is the output power of blower, and T is the torque of blower, and n is the revolving speed of blower.
The judgment method simplified summary of above-mentioned intelligent fresh air system filter replacement is as follows:
Step 1: installing intelligent fresh air system in actual use place；
Step 2: completely new filter is packed into intelligent fresh air system, the engineering mode for adjusting intelligence system keeps intelligence new
Wind system can operate normally, and then, detect to obtain standard corresponding to different wind-speed gears by adjusting different wind-speed gear
Revolving speed r2, and generate table 1；
Step 3: being packed into the simulation dust accumulation filter of end-of-life, acquire corresponding each referring to revolving speed under different wind-speed gears
r1, and generate table 2；
Step 4: intelligent fresh air system enters normal mode of operation, and the real-time rotation speed of fan r of real-time monitoring blower0；
Step 5: according to real-time rotation speed of fan r0It is compared with table 1 and table 2；
Step 6: as real-time rotation speed of fan r0It is higher than whithin a period of time to should refer to revolving speed r1When, remind client to replace
Filter.
In the present embodiment, the output power of the blower in intelligent fresh air system is adjusted by DC/EC motor driving plate, blower
Using centrifugation DC/EC motor fan；As shown in Figure 1, the revolving speed output terminal FG of centrifugation DC/EC motor fan is anti-by rotary speed information
It is fed to DC/EC motor driving plate, DC/EC motor driving plate is connect by its VSP terminal with centrifugation DC/EC motor fan, and is controlled
The output power of system centrifugation DC/EC motor fan.
The judgment method of the intelligent fresh air system filter replacement of embodiment two includes: turn of blower in intelligent fresh air system
Speed is constant；By the simulation dust accumulation for being packed into end-of-life in the intelligent fresh air system being installed in place in actual use place
Filter, the power obtained under different wind-speed gears are used as referring to power P1；Detection is packed into the intelligent fresh air system of new filter
Real-time power of fan P under real use state0；According to real-time power of fan P0Variation and its with current wind-speed gear institute
Corresponding reference power P1Comparison, judge whether to need to replace filter.
Wherein, determine that needing to carry out filter replacement meets the following conditions: intelligent fresh air system is in certain third moment t3
The real-time power of fan P measured0Less than reference power P corresponding to current wind-speed gear1, and from third moment t3It rises and artificially sets
T during fixed third3Real-time power of fan P measured by interior any time0Reference corresponding to respectively less than current wind-speed gear turns
Fast P1；As third moment t3Rise be manually set third during T3When arrival, issues filter replacement and remind.
The above method further include: by adjusting the intelligence equipped with new filter being installed in place in actual use place
The wind-speed gear of fresh air system, acquires the correspondence power of fan under different wind-speed gears, and by acquired different wind-speed gears
Under corresponding power of fan as calibration power P2。
It preferably, further include the judgement that replacement probationary period is carried out before being replaced to filter in the above method, specifically
Include: according to real-time rotation speed of fan variation and its with reference power P corresponding to current wind-speed gear1Comparison, judged
Whether filter enters replacement probationary period；Determine filter enter replacement probationary period at least meet the following conditions: intelligent fresh air system
In certain the 4th moment t4The real-time power of fan P measured0Less than calibration power P corresponding to current wind-speed gear2, and between the two
Difference absolute value be more than or equal to be manually set second value △ P, and second value △ P be less than current wind-speed gear corresponding to
Referring to power P1With calibration power P corresponding to current wind-speed gear2Difference absolute value；From the 4th moment t4It rises and artificially sets
T between the fixed fourth phase4Real-time power of fan P measured by interior any time0Standard function corresponding to respectively less than current wind-speed gear
Rate P2And it is greater than reference power P corresponding to current wind-speed gear1；As the 4th moment t4Rise be manually set the fourth phase between T4It arrives
Up to when, issue filter maintenance remind simultaneously enter replacement probationary period.
In the above method, current collection circuit should be provided in intelligent fresh air system, to acquire electric current, and by electric current and
The product of voltage calculates to obtain the power of blower in intelligent fresh air system.
The judgment method simplified summary of above-mentioned intelligent fresh air system filter replacement is as follows:
Step 1: installing intelligent fresh air system in actual use place；
Step 2: completely new filter is packed into intelligent fresh air system, the engineering mode for adjusting intelligence system keeps intelligence new
Wind system can operate normally, and then, detect to obtain standard corresponding to different wind-speed gears by adjusting different wind-speed gear
Power P2, and generate table 1；
Step 3: being packed into the simulation dust accumulation filter of end-of-life, acquire corresponding each referring to power under different wind-speed gears
P1, and generate table 2；
Step 4: intelligent fresh air system enters normal mode of operation, and the real-time power of fan P of real-time monitoring blower0；
Step 5: according to real-time power of fan P0It is compared with table 1 and table 2；
Step 6: as real-time power of fan P0It is higher than whithin a period of time to should refer to power P1When, remind client to replace
Filter.
The judgment method of the intelligent fresh air system filter replacement of embodiment three the following steps are included:
Step 1: new filter is packed into the intelligent fresh air system in experimental situation, and it is right to obtain different wind-speed gear institutes
The fan parameter answered is as first referring to parameter；
Step 2: being packed into the simulation dust accumulation filter of end-of-life in the intelligent fresh air system in experimental situation, and obtain
Fan parameter corresponding to different wind-speed gears is as second referring to parameter；
Step 3: in actual use place, the intelligent fresh air system for being loaded into new filter is installed in place；
Step 4: the wind-speed gear of intelligent fresh air system in adjustment actual use place acquires pair under different wind-speed gears
It answers fan parameter to be used as and uses parameter；
Step 5: according to use parameter calculate obtain actual use place in intelligent blower system under different wind-speed gears
Corresponding end-of-life parameter；
Step 6: real-time monitoring actually use place in intelligent fresh air system fan parameter, and with current wind-speed gear
End-of-life parameter be compared, whether reach end-of-life parameter according to real-time fan parameter, judge whether need to mistake
Filter is replaced.
Wherein, fan parameter be intelligent fresh air system with the power of fan or intelligent fresh air system of constant rotary speed working with
Rotation speed of fan when constant output power works；First is joined referring to parameter, second referring to parameter, using parameter and end-of-life
Number is corresponding rotation speed of fan or power of fan parameter；End-of-life parameter is by first referring to parameter/second reference ginseng
Number=calculated and obtained using parameter/end-of-life parameter.
Specifically, determine that needing to carry out filter replacement meets the following conditions: intelligent fresh air system is at certain the 5th moment
t5The real-time fan parameter measured reaches end-of-life parameter corresponding to current wind-speed gear, and from the 5th moment t5It rises artificial
T between the fifth phase of setting5Real-time fan parameter measured by interior any time is met or exceeded corresponding to current wind-speed gear
End-of-life parameter, then in the 5th moment t5Rise be manually set the fifth phase between arrive T5Up to when, issue filter replacement remind.
Above-mentioned each embodiment, obtains by using the simulation dust accumulation filter of end-of-life under different wind-speed gears
Comparison threshold data, both effectively save the acquisition time of data, and comparison result is reliable, reduce product export before testing
Time consumption on period can effectively promote the performance of enterprises；The present invention installs Shi Suocun to reduce intelligent fresh air system
The factors such as length, variable diameter, sewing, the elbow of fresh air pipeline of installation influence, by being installed in place in actual use place
Fresh air system in be packed into new, old filter and carry out data acquisition or new, old mistake is packed by the fresh air system in experimental situation
Filter progress data acquisition and reference proportional to the actual use data in the fresh air system in actual use place and use,
Influence of external world's dynamic factor to the resistance of fresh air system when effectively eliminating installation guarantees under shelves wind-speed gear, blower
The data of revolving speed can be the number of a fixed value or blower power under the premise of constant rotational speed under the premise of firm power
According to that can be a fixed value, to ensure that the validity and accuracy for determining result.
The description of description above and embodiment is used to explain the present invention protection scope, but does not constitute and protect to the present invention
Protect the restriction of range.Through the invention or the enlightenment of above-described embodiment, those of ordinary skill in the art combine common knowledge, ability
The ordinary technical knowledge and/or the prior art in domain, it is available right by logical analysis, reasoning or limited experiment
Modification, equivalent replacement or the other improvements of the embodiment of the present invention or in which a part of technical characteristic, should be included in of the invention
Within protection scope.
Claims (16)
1. a kind of judgment method of intelligent fresh air system filter replacement, characterized in that include:
The output power of blower is constant in the intelligent fresh air system；By in the intelligence being installed in place in actual use place
It is packed into the simulation dust accumulation filter of end-of-life in energy fresh air system, obtains the rotation speed of fan under different wind-speed gears as reference
Revolving speed；Detection is packed into real-time rotation speed of fan of the intelligent fresh air system of new filter under real use state；According to real-time wind
The variation of machine revolving speed and its with the comparison corresponding to current wind-speed gear referring to revolving speed, judge whether to need to carry out filter
Replacement.
2. a kind of judgment method of intelligent fresh air system filter replacement as described in claim 1, characterized in that determine to need
Carry out replacement to filter and meet the following conditions: the real-time rotation speed of fan that the intelligent fresh air system measures at certain first moment is big
Referring to revolving speed corresponding to current wind-speed gear, and any time is surveyed in the first period of artificial settings from the first moment
The real-time rotation speed of fan obtained is all larger than corresponding to current wind-speed gear referring to revolving speed.
3. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 2, characterized in that described first
When the first period of artificial settings reaches from moment, issues filter replacement and remind.
4. a kind of judgment method of intelligent fresh air system filter replacement as described in claim 1, characterized in that further include:
By adjusting the wind-speed gear for the intelligent fresh air system equipped with new filter being installed in place in actual use place, acquisition
Correspondence rotation speed of fan under different wind-speed gears, and using corresponding rotation speed of fan under acquired different wind-speed gears as standard
Revolving speed.
5. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 4, characterized in that further include:
Whether comparison according to the variation of real-time rotation speed of fan and its with reference revolving speed corresponding to current wind-speed gear, judge filter
Into replacement probationary period；Determine filter enter replacement probationary period at least meet the following conditions:
The intelligent fresh air system is greater than mark corresponding to current wind-speed gear in the real-time rotation speed of fan that certain second moment measures
Quasi- revolving speed, and the absolute value of difference between the two is more than or equal to the first value being manually set, and the first value is less than current wind speed shelves
The absolute value of the difference of rated rotational frequency corresponding to reference revolving speed corresponding to position and current wind-speed gear；
Real-time rotation speed of fan measured by any time is all larger than current wind in the second phase of artificial settings from the second moment
Rated rotational frequency corresponding to fast gear and it is less than corresponding to current wind-speed gear referring to revolving speed.
6. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 5, characterized in that described second
When the second phase of artificial settings reaches from moment, issues filter maintenance and remind and enter replacement probationary period.
7. a kind of judgment method of intelligent fresh air system filter replacement as described in claim 1, characterized in that the intelligence
The output power of blower is adjusted by motor driving plate in fresh air system, wherein the revolving speed of blower passes through P=π/30*T*n
It calculates, P is the output power of blower, and T is the torque of blower, and n is the revolving speed of blower.
8. a kind of judgment method of intelligent fresh air system filter replacement, characterized in that include:
The invariablenes turning speed of blower in the intelligent fresh air system；By new in the intelligence being installed in place in actual use place
The simulation dust accumulation filter of end-of-life is packed into wind system, the power obtained under different wind-speed gears is used as referring to power；Inspection
Survey real-time power of fan of the intelligent fresh air system for being packed into new filter under real use state；According to real-time power of fan
Variation and its with corresponding to current wind-speed gear referring to power comparison, judge whether to need to replace filter.
9. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 8, characterized in that determine to need
Carry out replacement to filter and meet the following conditions: the real-time power of fan that the intelligent fresh air system measures at certain third moment is small
Referring to power corresponding to current wind-speed gear, and any time is surveyed during the third of artificial settings from the third moment
The real-time power of fan obtained is respectively less than corresponding to current wind-speed gear referring to revolving speed.
10. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 9, characterized in that described the
When being reached during the third of artificial settings from three moment, issues filter replacement and remind.
11. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 8, characterized in that further include:
By adjusting the wind-speed gear for the intelligent fresh air system equipped with new filter being installed in place in actual use place, acquisition
Correspondence power of fan under different wind-speed gears, and using corresponding power of fan under acquired different wind-speed gears as standard
Power.
12. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 11, characterized in that also wrap
Include: the comparison according to the variation of real-time rotation speed of fan and its with reference power corresponding to current wind-speed gear judges filter
Whether replacement probationary period is entered；Determine filter enter replacement probationary period at least meet the following conditions:
The intelligent fresh air system is less than mark corresponding to current wind-speed gear in the real-time power of fan that certain the 4th moment measures
Quasi- power, and the absolute value of difference between the two is more than or equal to the second value being manually set, and second value is less than current wind speed shelves
The absolute value of the difference of calibration power corresponding to reference power corresponding to position and current wind-speed gear；
Real-time power of fan measured by the fourth phase interior any time of artificial settings is respectively less than current wind from the 4th moment
Calibration power corresponding to fast gear and it is greater than corresponding to current wind-speed gear referring to power.
13. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 12, characterized in that described the
When being reached between the fourth phase of artificial settings from four moment, issues filter maintenance and remind and enter replacement probationary period.
14. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 8, characterized in that the intelligence
The power of blower is calculated by the electric current and voltage for acquiring blower in energy fresh air system.
15. a kind of judgment method of intelligent fresh air system filter replacement, characterized in that the following steps are included:
It is packed into new filter in intelligent fresh air system in experimental situation, and obtains the ginseng of blower corresponding to different wind-speed gears
Number is as first referring to parameter；
It is packed into the simulation dust accumulation filter of end-of-life in intelligent fresh air system in experimental situation, and obtains different wind speed shelves
Fan parameter corresponding to position is as second referring to parameter；
In actual use place, the intelligent fresh air system for being loaded into new filter is installed in place；
The wind-speed gear of intelligent fresh air system, acquires the correspondence fan parameter under different wind-speed gears in adjustment actual use place
As using parameter；
The longevity that intelligent blower system is corresponding under different wind-speed gears in actual use place is obtained according to using parameter to calculate
Order terminal parameter；
Real-time monitoring actually uses the fan parameter of the intelligent fresh air system in place, and the end-of-life with current wind-speed gear
Parameter is compared, and whether reaches end-of-life parameter according to real-time fan parameter, judges whether to need to carry out more filter
It changes；
Wherein, the fan parameter be intelligent fresh air system with the power of fan or intelligent fresh air system of constant rotary speed working with
Rotation speed of fan when constant output power works；
Described first referring to parameter, second is corresponding rotation speed of fan referring to parameter, using parameter and end-of-life parameter
Or power of fan parameter；
The end-of-life parameter is by first referring to parameter, and/the second reference parameter=uses parameter/end-of-life parameter to calculate
And it obtains.
16. a kind of judgment method of intelligent fresh air system filter replacement as claimed in claim 15, characterized in that determine to need
Replacement is carried out to filter and meets the following conditions: the real-time fan parameter that the intelligent fresh air system measures at certain the 5th moment
End-of-life parameter corresponding to current wind-speed gear is reached, and when the fifth phase of artificial settings is interior any from the 5th moment
It carves measured real-time fan parameter and meets or exceeds end-of-life parameter corresponding to current wind-speed gear, then at the 5th
It has carved between the fifth phase being manually set when reaching, has issued filter replacement and remind.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925952A (en) * | 2019-12-13 | 2020-03-27 | 雷勃电气(常州)有限公司 | Method for realizing filter screen blockage detection function through motor |
| CN111256289A (en) * | 2020-02-17 | 2020-06-09 | 海信（山东）空调有限公司 | Filter screen filth blockage detection method |
| CN113446247A (en) * | 2021-06-22 | 2021-09-28 | 杭州和而泰智能控制技术有限公司 | Method for detecting filter screen pollution turbidity by direct-current variable-frequency fan and fresh air filtering device |
| CN113513805A (en) * | 2021-07-22 | 2021-10-19 | 中山市万得福电子热控科技有限公司 | Air treatment apparatus, control method thereof, and computer-readable storage medium |
| CN113639405A (en) * | 2021-07-23 | 2021-11-12 | 青岛海尔空调电子有限公司 | Method and device for controlling air conditioner and intelligent air conditioner |
| CN115121072A (en) * | 2022-08-31 | 2022-09-30 | 启东万惠机械制造有限公司 | Method and system for determining replacement of filter grille of mine dust collector |
| CN115247861A (en) * | 2022-06-28 | 2022-10-28 | 浙江中广电器集团股份有限公司 | Air conditioner and dust removal control method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005249277A (en) * | 2004-03-03 | 2005-09-15 | Yamatake Corp | Air conditioner control system and air conditioner control method |
| CN101074968A (en) * | 2006-05-15 | 2007-11-21 | 精工爱普生株式会社 | Wind velocity measuring device and electronic apparatus |
| CN104913457A (en) * | 2015-06-16 | 2015-09-16 | 杨志荣 | Air capacity control method of air purifying device and air purifying device |
| CN106091291A (en) * | 2016-07-21 | 2016-11-09 | 广东美的制冷设备有限公司 | A kind of air-conditioning air volume self compensation control method, control system and air-conditioning |
| CN107003019A (en) * | 2014-12-01 | 2017-08-01 | 3M创新有限公司 | System and method for predicting HVAC filter replacements |
| DE102017119836A1 (en) * | 2017-05-29 | 2018-11-29 | Liebherr-Hausgeräte Lienz Gmbh | Fridge and / or freezer |
-
2019
- 2019-07-18 CN CN201910650062.XA patent/CN110360707B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005249277A (en) * | 2004-03-03 | 2005-09-15 | Yamatake Corp | Air conditioner control system and air conditioner control method |
| CN101074968A (en) * | 2006-05-15 | 2007-11-21 | 精工爱普生株式会社 | Wind velocity measuring device and electronic apparatus |
| CN107003019A (en) * | 2014-12-01 | 2017-08-01 | 3M创新有限公司 | System and method for predicting HVAC filter replacements |
| CN104913457A (en) * | 2015-06-16 | 2015-09-16 | 杨志荣 | Air capacity control method of air purifying device and air purifying device |
| CN106091291A (en) * | 2016-07-21 | 2016-11-09 | 广东美的制冷设备有限公司 | A kind of air-conditioning air volume self compensation control method, control system and air-conditioning |
| DE102017119836A1 (en) * | 2017-05-29 | 2018-11-29 | Liebherr-Hausgeräte Lienz Gmbh | Fridge and / or freezer |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110925952A (en) * | 2019-12-13 | 2020-03-27 | 雷勃电气(常州)有限公司 | Method for realizing filter screen blockage detection function through motor |
| CN111256289A (en) * | 2020-02-17 | 2020-06-09 | 海信（山东）空调有限公司 | Filter screen filth blockage detection method |
| CN113446247A (en) * | 2021-06-22 | 2021-09-28 | 杭州和而泰智能控制技术有限公司 | Method for detecting filter screen pollution turbidity by direct-current variable-frequency fan and fresh air filtering device |
| CN113446247B (en) * | 2021-06-22 | 2022-06-17 | 杭州和而泰智能控制技术有限公司 | Method for detecting filter screen pollution turbidity by direct-current variable-frequency fan and fresh air filtering device |
| CN113513805A (en) * | 2021-07-22 | 2021-10-19 | 中山市万得福电子热控科技有限公司 | Air treatment apparatus, control method thereof, and computer-readable storage medium |
| CN113639405A (en) * | 2021-07-23 | 2021-11-12 | 青岛海尔空调电子有限公司 | Method and device for controlling air conditioner and intelligent air conditioner |
| CN115247861A (en) * | 2022-06-28 | 2022-10-28 | 浙江中广电器集团股份有限公司 | Air conditioner and dust removal control method thereof |
| CN115247861B (en) * | 2022-06-28 | 2023-09-08 | 浙江中广电器集团股份有限公司 | Air conditioner and dust removal control method thereof |
| CN115121072A (en) * | 2022-08-31 | 2022-09-30 | 启东万惠机械制造有限公司 | Method and system for determining replacement of filter grille of mine dust collector |
| CN115121072B (en) * | 2022-08-31 | 2023-09-29 | 安徽省青阳县五溪矿业有限责任公司 | Method and system for determining replacement of filter grids of mining dust remover |
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