CN110260465A - Airflow filtering component filth blockage detection device and method and air conditioning equipment - Google Patents
Airflow filtering component filth blockage detection device and method and air conditioning equipment Download PDFInfo
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- CN110260465A CN110260465A CN201910659513.6A CN201910659513A CN110260465A CN 110260465 A CN110260465 A CN 110260465A CN 201910659513 A CN201910659513 A CN 201910659513A CN 110260465 A CN110260465 A CN 110260465A
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- filtering component
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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
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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
- F24F11/52—Indication arrangements, e.g. displays
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Fluid Mechanics (AREA)
- Human Computer Interaction (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention relates to a dirty and blocked detection device and method for an airflow filtering component and air conditioning equipment, wherein the detection device comprises a weight detection component (4) for detecting the weight of the airflow filtering component (2); and a control section (5) for determining a dirty state of the airflow filter section (2) based on the detection value of the weight detection section (4). The device detects the weight of air current filter unit through weight detection part, so that the filthy stifled state of air current filter unit is confirmed according to the measuring value of weight detection part, because various impurity that gathers above the long-term use back of air current filter unit, make air current filter unit's weight increase, consequently, can comparatively accurately confirm air current filter unit's filthy stifled state through the weight that detects air current filter unit, so that in time change or clean when air current filter unit filthy stifled is serious, thereby avoid influencing air conditioning equipment's performance, and improve the quality of air after filtering, ensure human health.
Description
Technical field
The present invention relates to apparatus of air conditioning technical field more particularly to a kind of airflow filtering component filth blockage detection device,
Method and the apparatus of air conditioning.
Background technique
In daily life, air-conditioning has become a kind of commonly used equipment for adjusting indoor temperature and humidity, however, by for a long time
Operation after, dust and dirt can be gathered on the cooling fin and airflow filtering component of air-conditioning.Firstly, these dusts and dirt can make
The ventilation quantity of air-conditioning is reduced, and leads to air-conditioning work pressure rise, the operating load of compressor increases, so as to shorten the use of air-conditioning
Service life reduces refrigeration and heating efficiency, increases electricity consumption.Easy to breed big secondly, if these dusts and dirt are not cleared up for a long time
The bacterium of amount and virus, the human health that the people in air conditioner surroundings is lived in long-term work, which is constituted, greatly to threaten.
A kind of the relevant technologies that inventor is known are to determine whether air-conditioning needs by judging the size of blower electric current
Cleaning, when airflow filtering component is dirty stifled, in order to keep intake just to need to increase the control electric current of blower to improve blower
Wind speed is judged as airflow filtering component when the control electric current of blower is more than preset value and dirty block up occurs.
Cause blower curent change have it is many due to, for example, it is possible to be because air-conditioning system hardware fault cause
Blower curent change.Therefore, the method that the dirty stifled grade of strainer is determined by judging blower electric current can not accurately reflect
The dirty stifled degree of airflow filtering component.
Summary of the invention
The purpose of the present invention is to propose to a kind of airflow filtering component filth blockage detection device, method and the apparatus of air conditioning, energy
Enough dirty stifled situations for more accurately judging airflow filtering component.
According to an aspect of the invention, it is proposed that a kind of airflow filtering component filth blockage detection device, comprising:
Weight detecting component, for detecting the weight of airflow filtering component；With
Control unit, for determining the dirty stifled state of airflow filtering component according to the detected value of weight detecting component.
In some embodiments, control unit is used for according to the detected value of weight detecting component and the comparison result of preset value
Determine the dirty stifled state of airflow filtering component；Or
Control unit is used to determine the difference of weight when the detected value of weight detecting component and airflow filtering component initially use
It is worth, and determines the dirty stifled state of airflow filtering component according to the comparison result of difference and preset difference value.
In some embodiments, preset value includes the first preset value, and control unit is for judging weight detecting component
Detected value be more than the first preset value in the case where, determine that airflow filtering component is in the first dirty stifled state.
In some embodiments, when airflow filtering component is in the first dirty stifled state, control unit is for making air tune
Equipment downtime is saved, and/or issues the standby signal for needing to clean or replace airflow filtering component.
In some embodiments, preset value further includes the second preset value, and the second preset value is less than the first preset value；
Control unit, which is used for, to be more than the second preset value in the detected value for judging weight detecting component and is less than first in advance
If determining that airflow filtering component is in the second dirty stifled state in the case where value；Wherein, the second dirty stifled state is corresponding dirty stifled etc.
Grade dirty stifled grade corresponding lower than the first dirty stifled state.
In some embodiments, when airflow filtering component is in the second dirty stifled state, control unit is for issuing air-flow
There is slight standby signal dirty plugging in filter element.
In some embodiments, it is in the second dirty stifled state in airflow filtering component, and passes through air-flow for certain driving air-flow
In the case that the blower of filter element is not up to maximum (top) speed, control unit is used to improve the revolving speed of blower.
In some embodiments, control unit is determined for the weight section according to locating for the detected value of weight detecting component
The dirty stifled grade of airflow filtering component out, with control electric current needed for determining raising rotation speed of fan.
In some embodiments, control unit is used in the detected value and the first preset value for judging weight detecting component or the
At least judgement is repeated twice when the relationship of two preset values, and determines airflow filtering portion under each secondary judging result unanimous circumstances
The dirty stifled state of part.
According to another aspect of the invention, it is proposed that a kind of apparatus of air conditioning, comprising:
Shell；
Airflow filtering component, is located in shell；With
The airflow filtering component filth blockage detection device of above-described embodiment.
In some embodiments, the intracorporal two sides of shell are equipped with buckle, and airflow filtering component includes filter screen, filter screen
Two sides pass through weight detecting component and the buckle of corresponding side is fixed.
According to another aspect of the invention, it is proposed that a kind of dirty stifled detection method of airflow filtering component, comprising:
The weight of airflow filtering component is detected by weight detecting component；
The dirty stifled state of airflow filtering component is determined according to the detected value of weight detecting component.
In some embodiments, the step of the dirty stifled state of airflow filtering component is determined according to the detected value of weight detecting component
Suddenly include:
The dirty stifled state of airflow filtering component is determined according to the comparison result of the detected value of weight detecting component and preset value；
Or
The difference of weight when the detected value and airflow filtering component for determining weight detecting component initially use, and according to difference
The dirty stifled state of airflow filtering component is determined with the comparison result of preset difference value.
In some embodiments, preset value includes the first preset value, according to the detected value and preset value of weight detecting component
Comparison result the step of determining the dirty stifled state of airflow filtering component include:
The detected value of weight detecting component is judged whether more than the first preset value, if it does, then determining airflow filtering
Component is in the first dirty stifled state.
In some embodiments, after determining that airflow filtering component is in the first dirty stifled state, airflow filtering component is dirty
Stifled detection method further include:
Shut down the apparatus of air conditioning；And/or
Issue the standby signal for needing to clean or replace airflow filtering component.
In some embodiments, preset value further includes the second preset value, and the second preset value is judging less than the first preset value
Before whether the detected value of weight detecting component is more than the first preset value, according to the detected value of weight detecting component and preset value
Comparison result determines the step of dirty stifled state of airflow filtering component further include:
The detected value of weight detecting component is judged whether more than the second preset value, if it exceeds the second preset value and being less than
First preset value, it is determined that go out airflow filtering component and be in the second dirty stifled state；Wherein, the second dirty stifled state is corresponding dirty stifled etc.
Grade dirty stifled grade corresponding lower than the first dirty stifled state.
In some embodiments, after determining that airflow filtering component is in the second dirty stifled state, further includes:
It issues airflow filtering component and there is slight standby signal dirty plugging.
In some embodiments, after determining that airflow filtering component is in the second dirty stifled state, further includes:
Whether judgement reaches maximum (top) speed by the blower of airflow filtering component for certain driving air-flow, if not up to maximum
Revolving speed then improves the revolving speed of blower.
In some embodiments, the step of improving the revolving speed of blower include:
Determine weight section locating for the detected value of weight detecting component；
The dirty stifled grade of airflow filtering component is determined according to weight section；
Control electric current needed for improving rotation speed of fan is determined according to dirty stifled grade.
In some embodiments, judge the detected value of weight detecting component and the relationship of the first preset value or the second preset value
When at least repeat judgement twice, and under each secondary judging result unanimous circumstances, determine the dirty stifled state of airflow filtering component.
Based on the above-mentioned technical proposal, the airflow filtering component filth blockage detection device of the embodiment of the present invention, passes through weight detecting
Component detects the weight of airflow filtering component, to determine the dirty stifled of airflow filtering component according to the detected value of weight detecting component
State increases the weight of airflow filtering component since airflow filtering component can assemble various impurity above after long-term use,
Therefore the dirty stifled state of airflow filtering component can relatively accurately be determined by the weight of detection airflow filtering component, so as to
Airflow filtering component is dirty to be replaced or cleans in time when blocking up serious, to avoid influencing the performance of the apparatus of air conditioning, and is improved
The quality of air after filter ensures human health.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes part of this application, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of one embodiment of airflow filtering component filth blockage detection device of the present invention；
Fig. 2 is the flow diagram of one embodiment of the dirty stifled detection method of airflow filtering component of the present invention；
Fig. 3 is the flow diagram of another embodiment of the dirty stifled detection method of airflow filtering component of the present invention.
Description of symbols
1, shell；2, airflow filtering component；3, it buckles；4, weight detecting component；5, control unit.
Specific embodiment
The present invention described further below.In the following paragraphs, the different aspect of embodiment is defined in more detail.So
The various aspects of restriction can be combined with any other one aspect or many aspects, can not be combined unless explicitly stated otherwise.Especially,
It is considered as preferred or advantageous any feature can be considered as preferred or advantageous feature group with other one or more
It closes.
As shown in Figure 1, the present invention provides a kind of airflow filtering component filth blockage detection device, subsequent abbreviation " detection dress
Set ", the airflow filtering component in the apparatus of air conditioning can be detected, for example, the apparatus of air conditioning can be air-conditioning, air
Clarifier new blower etc. or can also perhaps detect the airflow filtering component being separately provided.Subsequent embodiment with
The detection device is used to for the apparatus of air conditioning be illustrated.
In some embodiments, the apparatus of air conditioning includes: that shell 1, airflow filtering component 2, airflow filtering component are dirty stifled
Detection device and control unit 5, airflow filtering component 2 are located at the position in shell 1 close to return air inlet, such as filter screen, filtering
Plate or cartridge filter etc., weight detecting component 4 are used to detect the weight of airflow filtering component 2.Specifically, the two sides in shell 1 are equal
Equipped with buckle 3, when airflow filtering component 2 is filter screen, the side of left and right two of filter screen passes through weight detecting component 4 and phase
It answers the buckle 3 of side fixed, as a result, in the state that two weight detecting components 4 support airflow filtering component 2 from both ends, passes through
The mode of measurement bearing capacity obtains the weight of airflow filtering component 2.Control unit 5 is used for the detection according to weight detecting component 4
It is worth the dirty stifled state for determining airflow filtering component 2, control unit 5 can be the controller of the apparatus of air conditioning itself, can also be with
It is additional increased controller.
Weight detecting component 4 can be weight sensor, testing principle are as follows: in the gravity of airflow filtering component 2
Under, be deformed the elastomer of weight detecting component, the strain gauge bridge disequilibrium being attached on elastomer, output and gas
The directly proportional electric signal of 2 weight amount of filter element is flowed, linear amplifier amplifies signal to obtain weight data.Example
Such as, photo-electric, fluid pressure type, electromagnetic type, condenser type, magnetic pole deformation type, oscillatory type or resistance-strain type etc. can be used.
The detection device of the embodiment of the present invention detects the weight of airflow filtering component by weight detecting component to determine gas
The dirty stifled state for flowing filter element, can be comprising various impurity, example due to entering in the air in the apparatus of air conditioning from return air inlet
Such as dust, batting, dirt, steam or jelly are led so that airflow filtering component can assemble impurity above after long-term use
The weight of airflow filtering component is caused to increase.Therefore, the weight of airflow filtering component and dirty stifled degree have direct relationship, pass through inspection
The weight for surveying airflow filtering component can relatively accurately determine the dirty stifled state of airflow filtering component.
Although lighter in weight such as dust and battings, since the work area of airflow filtering component 2 is larger, it is covered with thereon
Filter hole, therefore after long-term use, impurity can be covered with airflow filtering component 2, make the increase of 2 weight of airflow filtering component
It is more obvious, moreover, because there are also aqueous vapor or colloids etc. in impurity, the increase of weight can be made more apparent.In order to compared with
More preferably high-precision weight detecting component 4 is selected for the dirty stifled state for being truly reflected airflow filtering component 2.
Airflow filtering component 2 is dirty block up more serious when, can replace in time or cleaning gas tream filter element 2, on the one hand, can
It avoids air-conditioning from remaining in operation under the dirty stifled serious situation of airflow filtering component 2, guarantees ventilation quantity, reduce operating pressure, in sky
When gas adjustment equipment is air-conditioning, the operating load of compressor can be reduced, improve the refrigeration and heating capacity of equipment, reduce equipment fortune
Noise and energy consumption when turning realize energy conservation and environmental protection, improve the service life of equipment；On the other hand, it can avoid on airflow filtering component 2
Impurity excessively do not clean bacterium easy to breed for a long time, improve the air quality of equipment outlet air, ensure human health.
In some embodiments, control unit 5 is used to determine the detected value and airflow filtering component 2 of weight detecting component 4
The difference △ G of weight when initial use, and airflow filtering component 2 is determined according to the comparison result of difference △ G and preset difference value
Dirty stifled state.
Specifically, control unit 5 is used in the case where judging that difference is more than the first preset difference value △ G1, determines outlet
Stream filter element 2 is in the first dirty stifled state, and the first dirty stifled state indicates serious dirty stifled state.Further, second is default poor
Value △ G2 is used in the detected value for judging weight detecting component 4 be more than second less than the first preset difference value △ G1, control unit 5
Preset difference value △ G2 and in the case where being less than the first preset difference value △ G1, it is dirty stifled to determine that airflow filtering component 2 is in second
State；Wherein, the corresponding dirty stifled grade of the corresponding dirty stifled grade of the second dirty stifled state stifled state dirty lower than first, for example, second
Dirty stifled state is that slight dirty stifled or moderate is dirty stifled.For the measure taken under the first dirty stifled state and the second dirty stifled state,
It can refer to and directly determine the dirty stifled state of airflow filtering component 2 compared with preset value according to the detected value of weight detecting component 4 below
Embodiment.
Specifically, if difference △ G≤△ G2 of weight, it is determined that go out filter element 2 and be also not up to the second dirty stifled state；If
△ G2 < △ G≤△ G1, it is determined that go out filter element 2 and have reached the second dirty stifled state；If △ G > △ G1, it is determined that filter out
Component 2 has reached the first dirty stifled state.
The embodiment judges dirty stifled state by the incrementss of 2 weight of airflow filtering component, the advantage is that, if set
It is standby that in initial use and identical operating condition is set when subsequent detection, such as disengaging air quantity is identical, in the difference for obtaining weight
Influence of the air-flow for the detection accuracy of weight detecting component 4 in equipment can be offset when value, can more objectively and accurately determine gas
Flow the dirty stifled state of filter element 2.
In further embodiments, control unit 5 is for directly according to the detected value of weight detecting component 4 and preset value
Comparison result determines the dirty stifled state of airflow filtering component 2.Wherein, preset value can be obtained according to experiment or historical data, and
It is stored in control unit 5.
The judgment method of the embodiment is relatively simple, without requiring for passing through operation test gas when initially using equipment
The initial weight for flowing filter element 2 can store different pre- various sizes of airflow filtering component 2 in control unit 5
If value, more accurately to obtain the dirty stifled state of airflow filtering component 2 in every equipment.Preferably, in the specification of equipment
Equipment corresponding operating condition when can also be given by experiment or historical data acquisition preset value, so as in subsequent detection process
In can also be detected under identical operating condition, can be more to reduce influence of the air-flow for the detection accuracy of weight detecting component 4
Add the dirty stifled state for objectively and accurately determining airflow filtering component 2.
In some embodiments, preset value includes first the first preset value of preset value G1, first the first preset value of preset value
G1 can be obtained according to experiment or historical data, and control unit 5 is used in the detected value for judging weight detecting component 4 be more than the
In the case where one the first preset value of preset value G1, determine that airflow filtering component 2 is in the first dirty stifled state, the first dirty stifled state
Indicate serious dirty stifled state.
The impurity that the embodiment can adhere on airflow filtering component 2 accurately judges when more according to weight detecting value
Source is in serious dirty stifled state, in order to avoid influence the normal work of equipment.
Optionally, when airflow filtering component 2 is in the first dirty stifled state, control unit 5 is for making the apparatus of air conditioning
Autostop, and/or issue the standby signal for needing to clean or replace airflow filtering component 2.For example, display is arranged in equipment
Screen, warning lamp or alarm, to issue standby signal.It in this case, can also be to apparatus of air conditioning shell return air inlet
The cooling fin at place is cleaned, to guarantee that return air is smooth.For example, control unit 5 issues halt instruction to compressor and blower, receive
It is directly shut down after to halt instruction, and issues the standby signal for issuing and needing to clean or replace airflow filtering component 2.
Make equipment shut down avoidable equipment in time to remain in operation under the dirty stifled serious situation of airflow filtering component 2, reduce
Operating pressure can prevent the operating load of compressor beyond Rated throughput, to mention when the apparatus of air conditioning is air-conditioning
The functional reliability and service life of high equipment.Prompt user cleaning or replacement airflow filtering component 2 can avoid impurity after how long
Phase does not clean bacterium easy to breed, improves the air quality of equipment outlet air, ensures human health.
In further embodiments, preset value further includes second the second preset value of preset value G2, and the second preset value second is pre-
If value G2 can be according to experiment or historical data less than the first the first preset value of preset value G1, first the first preset value of preset value G1
It obtains.Control unit 5 is used in the detected value for judging weight detecting component 4 be more than second preset value the second preset value G2 and not
In the case where more than first the first preset value of preset value G1, determine that airflow filtering component 2 is in the second dirty stifled state；Wherein,
The corresponding dirty stifled grade of the corresponding dirty stifled grade of second dirty stifled state stifled state dirty lower than first, for example, the second dirty stifled state is
Slight dirty stifled or moderate is dirty stifled.
Specifically, if detected value G≤G2 of weight detecting component 4, it is determined that it is dirty stifled to go out filter element 2 also not up to second
State；If G2 < G≤G1, it is determined that go out filter element 2 and have reached the second dirty stifled state；If G > G1, it is determined that go out filter element
2 have reached the first dirty stifled state.
Family can be used to recognize the dirty stifled degree of airflow filtering component 2 in equipment for the embodiment, be in the second dirty stifled shape
Equipment can operate normally when state, but user can estimate workable for current 2 residue of airflow filtering component after seeing prompt
Period, convenient for purchasing airflow filtering component in advance in case replacement on suitable opportunity.
Optionally, when airflow filtering component 2 is in the second dirty stifled state, control unit 5 is for issuing airflow filtering portion
There is slight standby signal dirty plugging in part 2.Standby signal can be issued by display screen, warning lamp or the alarm in equipment,
The dirty stifled state that airflow filtering component is intuitively noticed at family can be used.
Optionally, it is in the second dirty stifled state in airflow filtering component 2, and passes through airflow filtering component for certain driving air-flow
In the case that 2 blower is not up to maximum (top) speed, control unit 5 is used to improve the revolving speed of blower.In this case, although not shadow
Pressure loss when ringing the normal work of equipment, but being that airflow through airflow filtering component 2 is increased, passes through and improves blower and turn
Speed can keep return air amount, guarantee the effect of air conditioning.
Specifically, control unit 5 determines air-flow for the weight section according to locating for the detected value of weight detecting component 4
The dirty stifled grade of filter element 2, with control electric current needed for determining raising rotation speed of fan.Due to passing through airflow filtering component 2
Weight can accurately reflect dirty stifled degree, therefore, by determining that the dirty stifled grade of airflow filtering component 2 can quantitatively know wind
Control electric current needed for machine, to realize the accurate control of equipment return air amount.
If equipment is air-conditioning, when being carried out automatically controlling according to indoor environment temperature and target temperature to blower, consider
Airflow filtering component 2 it is dirty it is stifled caused by air quantity decaying exchange thermal effect influence.Even if the not timely more scavenging flow of user
Filter element 2 is also avoided that air conditioner enters anti-freeze, high temperature-proof, or makes compressor protection, to guarantee refrigerated medium thermal effect
Fruit improves comfort.Moreover, after air quantity raising, when air conditioner is in cooling condition, it is ensured that in air-conditioning internal machine
Refrigerant evaporation it is complete, avoid due to compressor return liquid and liquid hit phenomenon occurs；When air conditioner is in heating condition, can also prevent
Only compressor causes compressor load to increase due to pressure at expulsion and temperature raising, so that high frequent be avoided to protect, improves
The reliability of compressor operating, and then improve the service life of complete machine.
Further, control unit 5 is used in the detected value for judging weight detecting component 4 and the first preset value G1 or second
At least judgement is repeated twice when the relationship of preset value G2, and determines airflow filtering portion under each secondary judging result unanimous circumstances
The dirty stifled state of part 2.The embodiment can prevent from causing misjudgment due to flow perturbation or sensor error detection etc., improve
The accuracy of the dirty stifled state judgement of airflow filtering component, can avoid making user in unnecessary cleaning or more scavenging flow due to erroneous judgement
Equipment is dismantled when filter element.
Secondly, the present invention provides a kind of apparatuses of air conditioning, comprising: shell 1；Airflow filtering component 2 is located at shell 1
It is interior；With the detection device of above-described embodiment.When installing multilayer airflow filtering component 2 in a device, detection device only detects outermost
The dirty stifled degree of layer airflow filtering component 2, i.e. weight detecting component 4 are installed on outermost layer airflow filtering component 2.
Specifically, the two sides in shell 1 are equipped with buckle 3, and the side of left and right two of airflow filtering component 2 passes through weight
Detection part 4 and the buckle 3 of corresponding position are fixed.The shape of airflow filtering component 2 is supported from both ends in two weight detecting components 4
Under state, the weight of airflow filtering component 2 is obtained by way of measuring bearing capacity.
Finally, the present invention also provides a kind of dirty stifled detection methods of airflow filtering component, in some embodiments, such as Fig. 2
Shown in flow diagram, comprising:
Step 101, the weight that airflow filtering component 2 is detected by weight detecting component 4；
Step 102, the dirty stifled state that airflow filtering component 2 is determined according to the detected value of weight detecting component 4.
In some embodiments, the dirty stifled state of airflow filtering component 2 is determined according to the detected value of weight detecting component 4
Step includes:
The dirty stifled shape of airflow filtering component 2 is determined according to the comparison result of the detected value of weight detecting component 4 and preset value
State；Or
The difference of weight when the detected value and airflow filtering component 2 for determining weight detecting component 4 initially use, and according to difference
The comparison result of value and preset difference value determines the dirty stifled state of airflow filtering component 2.
In some embodiments, flow diagram as shown in Figure 3, preset value include the first preset value G1, and first is default
Value G1 can be obtained according to experiment or historical data, and step 102 is according to the detected value of weight detecting component 4 compared with preset value
As a result the step of dirty stifled state of determining airflow filtering component 2 includes:
Step 102A, the detected value of weight detecting component 4 is judged whether more than the first preset value G1, if it does, then really
It makes airflow filtering component 2 and is in the first dirty stifled state, equipment is otherwise made to continue to operate normally.
The impurity that the embodiment can adhere on airflow filtering component 2 accurately judges when more according to weight detecting value
Source is in serious dirty stifled state, in order to avoid influence the normal work of equipment.
Still referring to FIG. 3, gas flows through after determining that airflow filtering component 2 is in the first dirty stifled state by step 102A
Filter the dirty stifled detection method of component further include:
Step 103 shuts down the apparatus of air conditioning；And/or
Step 104 issues the standby signal for needing to clean or replace airflow filtering component 2.
Further, still referring to FIG. 3, preset value further includes the second preset value G2, the second preset value G2 default less than first
Value G1, before step 102A, step 102 determines gas according to the detected value of weight detecting component 4 and the comparison result of preset value
Flow the dirty stifled state of filter element 2 further include:
Step 102B, the detected value of weight detecting component 4 is judged whether more than the second preset value G2, if it exceeds second is pre-
If value G2 and being less than the first preset value G1, it is determined that go out airflow filtering component 2 and be in the second dirty stifled state；Wherein, second is dirty
The corresponding dirty stifled grade of the stifled corresponding dirty stifled grade of state stifled state dirty lower than first.
Family can be used to recognize the dirty stifled degree of airflow filtering component 2 in equipment for the embodiment, be in the second dirty stifled shape
Equipment can operate normally when state, but user can estimate workable for current 2 residue of airflow filtering component after seeing prompt
Period, convenient for purchasing airflow filtering component in advance in case replacement on suitable opportunity.
After determining that airflow filtering component 2 is in the second dirty stifled state by step 102B, still referring to FIG. 3, such
Detection method further include:
Step 105 issues airflow filtering component 2 in the presence of slight standby signal dirty plugging.
After determining that airflow filtering component 2 is in the second dirty stifled state by step 102B, detection side of the invention
Method further include:
Whether step 106, judgement reach maximum (top) speed by the blower of airflow filtering component 2 for certain driving air-flow, if
Not up to maximum (top) speed thens follow the steps 107, otherwise keeps rotation speed of fan constant；
Step 107, the revolving speed for improving blower.
In this case, although not influencing the normal work of equipment, it is that airflow through pressure when airflow filtering component 2
Loss is increased, can keep return air amount by improving rotation speed of fan, guarantee the effect of air conditioning.Step 106 and 107 is being schemed
In do not illustrate.
Wherein, the step of revolving speed of step 107 raising blower includes:
Step 107A, weight section locating for the detected value of weight detecting component 4 is determined；
Step 107B, the dirty stifled grade of airflow filtering component 2 is determined according to weight section；
Step 107C, control electric current needed for improving rotation speed of fan is determined according to dirty stifled grade.
Control electricity needed for the dirty stifled grade that the embodiment passes through determining airflow filtering component 2 can quantitatively know blower
Stream, to realize the accurate control of equipment return air amount.
Further, judge the detected value of weight detecting component 4 and the relationship of the first preset value G1 or the second preset value G2
When at least repeat judgement twice, and under each secondary judging result unanimous circumstances, determine the dirty stifled state of airflow filtering component 2.
The embodiment can prevent from causing misjudgment due to flow perturbation or sensor error detection etc., improve gas and flow through
The accuracy for filtering the dirty stifled state judgement of component can avoid making user in unnecessary cleaning or replacement airflow filtering portion due to erroneous judgement
Equipment is dismantled when part.
Above to a kind of airflow filtering component filth blockage detection device provided by the present invention, method and the apparatus of air conditioning into
It has gone and has been discussed in detail.Principle and implementation of the present invention are described for specific embodiment used herein, above
The explanation of embodiment is merely used to help understand method and its core concept of the invention.It should be pointed out that for the art
Those of ordinary skill for, without departing from the principle of the present invention, can also to the present invention carry out it is several improvement and repair
Decorations, these improvements and modifications also fall within the scope of protection of the claims of the present invention.
Claims (20)
1. a kind of airflow filtering component filth blockage detection device characterized by comprising
Weight detecting component (4), for detecting the weight of airflow filtering component (2)；With
Control unit (5), for determining the airflow filtering component (2) according to the detected value of the weight detecting component (4)
Dirty stifled state.
2. airflow filtering component filth blockage detection device according to claim 1, which is characterized in that
The control unit (5) is used to be determined according to the detected value of the weight detecting component (4) and the comparison result of preset value
The dirty stifled state of the airflow filtering component (2)；Or
Detected value and the airflow filtering component (2) of the control unit (5) for determining the weight detecting component (4) are just
The difference of weight when beginning to use, and the airflow filtering component (2) is determined according to the comparison result of the difference and preset difference value
Dirty stifled state.
3. airflow filtering component filth blockage detection device according to claim 2, which is characterized in that the preset value includes the
One preset value, the control unit (5) are used in the detected value for judging the weight detecting component (4) be more than described first pre-
If determining that the airflow filtering component (2) is in the first dirty stifled state in the case where value.
4. airflow filtering component filth blockage detection device according to claim 3, which is characterized in that in the airflow filtering portion
When part (2) is in the first dirty stifled state, the control unit (5) is used to that the apparatus of air conditioning to be made to shut down, and/or issuing need to
Clean or replace the standby signal of airflow filtering component (2).
5. airflow filtering component filth blockage detection device according to claim 3, which is characterized in that the preset value further includes
Second preset value, second preset value are less than first preset value；
The control unit (5) is used in the detected value for judging the weight detecting component (4) be more than second preset value
And in the case where being less than first preset value, determine that the airflow filtering component (2) is in the second dirty stifled state；Its
In, the corresponding dirty stifled grade of the corresponding dirty stifled grade of the second dirty stifled state stifled state dirty lower than described first.
6. airflow filtering component filth blockage detection device according to claim 5, which is characterized in that
When the airflow filtering component (2) is in the second dirty stifled state, the control unit (5) is flowed through for issuing gas
There is slight standby signal dirty plugging in filter component (2).
7. airflow filtering component filth blockage detection device according to claim 5, which is characterized in that
It is in the described second dirty stifled state in the airflow filtering component (2), and passes through the airflow filtering for certain driving air-flow
In the case that the blower of component (2) is not up to maximum (top) speed, the control unit (5) is used to improve the revolving speed of the blower.
8. airflow filtering component filth blockage detection device according to claim 7, which is characterized in that the control unit (5)
The airflow filtering component (2) is determined for the weight section according to locating for the detected value of the weight detecting component (4)
Dirty stifled grade, with control electric current needed for the determining raising rotation speed of fan.
9. airflow filtering component filth blockage detection device according to claim 5, which is characterized in that the control unit (5)
For in the relationship of the detected value and first preset value or second preset value that judge the weight detecting component (4)
It at least repeats judgement twice, and determines the dirty stifled of the airflow filtering component (2) under each secondary judging result unanimous circumstances
State.
10. a kind of apparatus of air conditioning characterized by comprising
Shell (1)；
Airflow filtering component (2) is located in the shell (1)；With
Any airflow filtering component filth blockage detection device of claim 1~9.
11. the apparatus of air conditioning according to claim 10, which is characterized in that the two sides in the shell (1) are equipped with
It buckles (3), the airflow filtering component (2) includes filter screen, and the side of left and right two of the filter screen passes through the weight
Detection part (4) and the buckle (3) of corresponding side are fixed.
12. a kind of dirty stifled detection method of airflow filtering component characterized by comprising
Pass through the weight of weight detecting component (4) detection airflow filtering component (2)；
The dirty stifled state of the airflow filtering component (2) is determined according to the detected value of the weight detecting component (4).
13. the dirty stifled detection method of airflow filtering component according to claim 12, which is characterized in that examined according to the weight
The detected value the step of determining the dirty stifled state of the airflow filtering component (2) for surveying component (4) includes:
The airflow filtering component (2) is determined according to the comparison result of the detected value of the weight detecting component (4) and preset value
Dirty stifled state；Or
The difference of weight when the detected value and the airflow filtering component (2) for determining the weight detecting component (4) initially use,
And the dirty stifled state of the airflow filtering component (2) is determined according to the comparison result of the difference and preset difference value.
14. the dirty stifled detection method of airflow filtering component according to claim 13, which is characterized in that the preset value includes
First preset value determines the airflow filtering according to the comparison result of the detected value of the weight detecting component (4) and preset value
The step of dirty stifled state of component (2) includes:
Whether the detected value for judging the weight detecting component (4) is more than first preset value, if it does, then determining institute
It states airflow filtering component (2) and is in the first dirty stifled state.
15. the dirty stifled detection method of airflow filtering component according to claim 14, which is characterized in that determining the gas
After stream filter element (2) is in the described first dirty stifled state, the dirty stifled detection method of airflow filtering component further include:
Shut down the apparatus of air conditioning；And/or
Issue the standby signal for needing to clean or replace airflow filtering component (2).
16. the dirty stifled detection method of airflow filtering component according to claim 14, which is characterized in that the preset value also wraps
The second preset value is included, second preset value is less than first preset value, in the detection for judging the weight detecting component (4)
Value whether be more than first preset value before, according to the detected value of the weight detecting component (4) compared with preset value knot
Fruit determines the step of dirty stifled state of the airflow filtering component (2) further include:
Whether the detected value for judging the weight detecting component (4) is more than second preset value, if it exceeds described second is pre-
If value and being less than first preset value, it is determined that go out the airflow filtering component (2) and be in the second dirty stifled state；Wherein,
The corresponding dirty stifled grade of the corresponding dirty stifled grade of the second dirty stifled state stifled state dirty lower than described first.
17. the dirty stifled detection method of airflow filtering component according to claim 16, which is characterized in that determining the gas
Stream filter element (2) is in after the second dirty stifled state, further includes:
It issues airflow filtering component (2) and there is slight standby signal dirty plugging.
18. the dirty stifled detection method of airflow filtering component according to claim 16, which is characterized in that determining the gas
Stream filter element (2) is in after the second dirty stifled state, further includes:
Whether judgement reaches maximum (top) speed by the blower of the airflow filtering component (2) for certain driving air-flow, if not up to
Maximum (top) speed then improves the revolving speed of the blower.
19. the dirty stifled detection method of airflow filtering component according to claim 18, which is characterized in that improve the blower
The step of revolving speed includes:
Determine weight section locating for the detected value of the weight detecting component (4)；
The dirty stifled grade of the airflow filtering component (2) is determined according to the weight section；
Control electric current needed for improving the rotation speed of fan is determined according to the dirty stifled grade.
20. the dirty stifled detection method of airflow filtering component according to claim 16, which is characterized in that judge the weight inspection
Survey component (4) detected value and first preset value or second preset value relationship when at least repeat judgement twice, and
Under each secondary judging result unanimous circumstances, the dirty stifled state of the airflow filtering component (2) is determined.
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| CN110986271A (en) * | 2019-12-23 | 2020-04-10 | 珠海大横琴科技发展有限公司 | Air conditioner filter screen filth blockage detection method and system |
| CN111156648A (en) * | 2020-01-06 | 2020-05-15 | 青岛海尔空调器有限总公司 | Cleaning control method of air conditioner and air conditioner |
| CN111841168A (en) * | 2020-07-27 | 2020-10-30 | 王远南 | Environment-friendly flue gas treatment device |
| CN112932335A (en) * | 2021-01-29 | 2021-06-11 | 深圳市银星智能科技股份有限公司 | Garbage cleaning method for base station and base station |
| CN113074437A (en) * | 2021-04-28 | 2021-07-06 | 珠海格力电器股份有限公司 | Control method of fresh air structure |
| CN113251595A (en) * | 2021-04-16 | 2021-08-13 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning starting of air conditioner and intelligent air conditioner |
| EP4328509A4 (en) * | 2021-07-28 | 2024-10-16 | GD Midea Heating & Ventilating Equipment Co., Ltd. | FILTER SCREEN DETECTION METHOD FOR INDOOR UNIT, INDOOR UNIT, AIR CONDITIONER AND READABLE STORAGE MEDIUM |
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| CN113251595A (en) * | 2021-04-16 | 2021-08-13 | 青岛海尔空调器有限总公司 | Method and device for self-cleaning starting of air conditioner and intelligent air conditioner |
| CN113074437A (en) * | 2021-04-28 | 2021-07-06 | 珠海格力电器股份有限公司 | Control method of fresh air structure |
| EP4328509A4 (en) * | 2021-07-28 | 2024-10-16 | GD Midea Heating & Ventilating Equipment Co., Ltd. | FILTER SCREEN DETECTION METHOD FOR INDOOR UNIT, INDOOR UNIT, AIR CONDITIONER AND READABLE STORAGE MEDIUM |
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