CN109631231A - Dust accumulation judgment means, method and air conditioner - Google Patents
Dust accumulation judgment means, method and air conditioner Download PDFInfo
- Publication number
- CN109631231A CN109631231A CN201811539139.8A CN201811539139A CN109631231A CN 109631231 A CN109631231 A CN 109631231A CN 201811539139 A CN201811539139 A CN 201811539139A CN 109631231 A CN109631231 A CN 109631231A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- indoor
- detection
- filter screen
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides a kind of dust accumulation judgment means, method and air conditioners, wherein the dust accumulation judgment means include: acquisition module, for obtaining the operating status of air conditioner, the detection temperature T of heat exchanger surfaceDetection, heat exchanger coils temperature THeat exchangerAnd room temperature TIt is indoor；Judgment module, for the operating status according to the air conditioner, TDetection、THeat exchangerAnd TIt is indoor, judge whether filter screen is in blocked state.Operating status of the present invention by air conditioner, TDetection、THeat exchangerAnd TIt is indoor, can effectively judge that whether dirty filter screen is stifled, remind the user that cleaning filter screen in time, improve cooling, heating effect, achieve the purpose that reduce energy consumption.
Description
Technical field
The present invention relates to air-conditioning technical field more particularly to a kind of dust accumulation judgment means, method and air conditioner.
Background technique
When air conditioner is run, the heat exchanger by room air and air conditioner is needed to exchange heat, to obtain refrigeration or system
Thermal effect.And inevitably there is dust in room air, if dust is stained on heat exchanger, it will affect heat transfer effect, therefore
Air conditioner can all design filter screen, dust be intercepted on filter screen, it is ensured that the cleaning of heat exchanger surface.
With the lengthening of runing time, the dust on filter screen can be cumulative, finally influences whether the ventilation of air conditioner
Amount, equally influence heat transfer effect, it is therefore desirable to periodically filter screen be removed and cleaned.In the prior art, due to not filtering
Net dedusting prompting function, user cannot know when the cleaning filter screen, typically never clean, and lead to filter screen quilt
Dust Severe blockage, influences ventilation quantity, to influence cooling, heating effect, power consumption increases.
Summary of the invention
In view of this, the present invention is directed to propose a kind of dust accumulation judgment means, comprising: module is obtained, for obtaining air conditioner
Operating status, heat exchanger surface detection temperature TDetection, heat exchanger coils temperature THeat exchangerAnd room temperature TIt is indoor；Judge mould
Block, for the operating status according to the air conditioner, TDetection、THeat exchangerAnd TIt is indoor, judge whether filter screen is in blocked state, from
And effectively judge that whether dirty filter screen is stifled, it reminds the user that cleaning filter screen in time, improves cooling, heating effect, reach drop
The purpose of low energy consumption.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of dust accumulation judgment means, comprising:
Module is obtained, for obtaining the operating status of air conditioner, the detection temperature T of heat exchanger surfaceDetection, heat exchanger coils
Temperature THeat exchangerAnd room temperature TIt is indoor；
Judgment module, for the operating status according to the air conditioner, TDetection、THeat exchangerAnd TIt is indoor, whether judge filter screen
In blocked state.
Further, the acquisition module includes:
Infrared temperature detector is placed in the outside of filter screen, penetrates filter screen, obtains the inspection of the heat exchanger surface
Testing temperature TDetection；
Heat exchange temperature sensor is placed in the surface of the heat exchanger coils, for obtaining the heat exchanger coils
Temperature THeat exchanger；
Indoor temperature transmitter is placed in interior, for obtaining room temperature TIt is indoor。
Further, the judgment module includes:
Determination unit, for determining TIt is indoorWith THeat exchangerDifference DELTA T1=TIt is indoor-THeat exchanger、THeat exchangerWith TIt is indoorΔ T1 '=
THeat exchanger-TIt is indoor、TIt is indoorWith TDetectionDifference DELTA T2=TIt is indoor-TDetectionAnd TDetectionWith TIt is indoorDifference DELTA T2 '=TDetection-TIt is indoor；
Judging unit, for according to the operating status of the air conditioner, Δ T1, Δ T1 ', Δ T2 and Δ T2 ', described in judgement
Whether filter screen is in blocked state.
Further, the operating status of the air conditioner is the first runing time of refrigerating state, compressor continuous operation
R1 > the first duration D1, and the first preset threshold of Δ T1 > A, the Δ T2 < the second preset threshold B, and Δ T2 is small
When first temperature duration W1 > the second duration D2 of B, the judging unit judges that the filter screen is in blocking
State；Otherwise, the judging unit judges that the filter screen is not in blocked state；
The operating status of the air conditioner is heating state, the second runing time R2 > first of compressor continuous operation is held
Continuous time D1, and Δ T1 ' the > A, Δ T2 ' the < B, and second temperature duration W2 > second of the Δ T2 less than B is held
When continuous time D2, the judging unit judges that the filter screen is in blocked state；Otherwise, the judging unit judges the mistake
Strainer is not in blocked state.
Further, the range of the D1 is 5~10min；The range of A is 5~10 DEG C；The range of B is 0~5 DEG C；D2's
Range is 1~10s.
A kind of dust accumulation judgment method, comprising:
Obtain the operating status of air conditioner, the detection temperature T of heat exchanger surfaceDetection, heat exchanger coils temperature THeat exchangerAnd
Room temperature TIt is indoor；
According to the operating status of the air conditioner, TDetection、THeat exchangerAnd TIt is indoor, judge whether filter screen is in blocked state.
Further, the operating status of air conditioner, the detection temperature T of heat exchanger surface are obtainedDetection, heat exchanger coils temperature
Spend THeat exchangerAnd room temperature TIt is indoorThe step of include:
Infrared temperature detector by being placed in the outside of filter screen penetrates filter screen, obtains the heat exchanger surface
Detect temperature TDetection；
By being placed in the heat exchange temperature sensor on the surface of the heat exchanger coils, the heat exchanger coils are obtained
Temperature THeat exchanger；
By being placed in indoor indoor temperature transmitter, room temperature T is obtainedIt is indoor。
Further, according to the operating status of the air conditioner, TDetection、THeat exchangerAnd TIt is indoor, judge whether filter screen is in
The step of blocked state includes:
Determine TIt is indoorWith THeat exchangerDifference DELTA T1=TIt is indoor-THeat exchanger、THeat exchangerWith TIt is indoorΔ T1 '=THeat exchanger-TIt is indoor、TIt is indoorWith TDetection
Difference DELTA T2=TIt is indoor-TDetectionAnd TDetectionWith TIt is indoorDifference DELTA T2 '=TDetection-TIt is indoor；
According to the operating status of the air conditioner, Δ T1, Δ T1 ', Δ T2 and Δ T2 ', judge whether the filter screen is located
In blocked state.
Further, according to the operating status of the air conditioner, Δ T1, Δ T1 ', Δ T2 and Δ T2 ', judge the filtering
The step of whether net is in blocked state include:
The operating status of the air conditioner is refrigerating state, the first runing time R1 > first of compressor continuous operation is held
Continuous time D1, and the first preset threshold of Δ T1 > A, the Δ T2 < the second preset threshold B, and Δ T2 is less than the first of B
When temperature duration W1 > the second duration D2, judge that the filter screen is in blocked state；Otherwise, judge the filtering
Net is not in blocked state；
The operating status of the air conditioner is heating state, the second runing time R2 > first of compressor continuous operation is held
Continuous time D1, and Δ T1 ' the > A, Δ T2 ' the < B, and second temperature duration W2 > second of the Δ T2 less than B is held
When continuous time D2, judge that the filter screen is in blocked state；Otherwise, judge that the filter screen is not in blocked state.
Further, the range of the D1 is 5~10min；The range of A is 5~10 DEG C；The range of B is 0~5 DEG C；D2's
Range is 1~10s.
A kind of air conditioner, including dust accumulation judgment means above-mentioned.
Compared with the existing technology, dust accumulation judgment means, method and air conditioner of the present invention have the advantage that
(1) pass through the operating status of air conditioner, TDetection、THeat exchangerAnd TIt is indoor, it can effectively judge that whether dirty filter screen is stifled, from
And user is reminded to clean filter screen in time, improve cooling, heating effect, achievees the purpose that reduce energy consumption.
(2) T can be obtained by infrared temperature detectorDetection, when filter screen is clean, infrared temperature detector can be saturating
Cross the temperature that filter screen detects heat exchanger surface；When having served as filter net jam, infrared temperature detector can not penetrate filter screen, only
It can detect the temperature of filtering net surface, as a result, the T by obtaining infrared temperature detectorDetection, air conditioner operating status,
THeat exchangerAnd TIt is indoorIt is compared, it is whether dirty stifled can fast and effeciently to judge filter screen, so that user be prompted to clean filtering
Net；
(3) the first duration D1, the first preset threshold A, the second preset threshold B and second can be neatly controlled to continue
The range of time D2, adjustment judge whether filter screen has been in the condition of blocked state, can be set according to the air-conditioning of different model
Different Rule of judgment is set, the present invention has extremely strong universality.
Detailed description of the invention
Fig. 1 is the block diagram of the dust accumulation judgment means of the embodiment of the present invention.
Fig. 2 is the practical application schematic diagram of the dust accumulation judgment means of the embodiment of the present invention.
Fig. 3 is a kind of embodiment of Fig. 2.
Fig. 4 is another embodiment of Fig. 2.
Fig. 5 is the sub- block diagram of judgment module in Fig. 1.
Fig. 6 is the workflow schematic diagram of the judgment module of the embodiment of the present invention.
Fig. 7 is the step schematic diagram of the dust accumulation judgment method of the embodiment of the present invention.
Fig. 8 is the sub-step schematic diagram of step S2 in Fig. 1.
Description of symbols:
1- obtains module；2- judgment module；3- determination unit；4- judging unit；5- heat exchanger；6- heat exchange temperature sensing
Device；7- filter screen；8- indoor temperature transmitter；9- infrared temperature detector.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
Currently, cannot accurately judge whether filter screen needs to clean in the prior art, so that the mistake of most air conditioners
Strainer influences ventilation quantity by dust Severe blockage, to influence cooling, heating effect, power consumption increases.In view of this, this hair
It is bright to provide a kind of dust accumulation judgment means, method and air conditioner, to solve aforementioned technical problem.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The embodiment of the present invention provides a kind of dust accumulation judgment means, please refers to Fig. 1, which includes: to obtain
Module 1, for obtaining the operating status of air conditioner, the detection temperature T on 5 surface of heat exchangerDetection, heat exchanger coils temperature THeat exchanger
And room temperature TIt is indoor；Judgment module 2, for the operating status according to the air conditioner, TDetection、THeat exchangerAnd TIt is indoor, judged
Whether strainer 7 is in blocked state.
In some embodiments of the invention, Fig. 2 is the practical application signal of the dust accumulation judgment means of the embodiment of the present invention
Figure can obtain T by infrared temperature detector 9 referring to figure 2.Detection.In embodiments of the present invention, obtaining module 1 includes:
Infrared temperature detector 9 is placed in the outside of filter screen 7, penetrates filter screen 7, obtains 5 surface of heat exchanger
Detection temperature TDetection；
Heat exchange temperature sensor 6 is placed in the surface of the heat exchanger coils, for obtaining the heat exchanger coils
Temperature THeat exchanger；
Indoor temperature transmitter 8, is placed in interior, for obtaining room temperature TIt is indoor。
It should be noted that preferably, obtaining T by infrared temperature detector 9Detection, this is because when filter screen 7 is clean
When, infrared temperature detector 9 can detect the temperature (as shown in Figure 3) on 5 surface of heat exchanger through filter screen 7；When filter screen 7
When blocking, infrared temperature detector 9 can not penetrate filter screen 7, be only able to detect the temperature (as shown in Figure 4) on 7 surface of filter screen.
T of the invention by obtaining infrared temperature detector 9 as a result,Detection, the operating status of air conditioner, THeat exchangerAnd TIt is indoorCompared
Compared with it is whether dirty stifled capable of fast and effeciently judging filter screen 7, so that user be prompted to clean filter screen 7.
Fig. 5 is the sub- block diagram of judgment module 2 in Fig. 1, as shown in figure 5, the judgment module 2 includes:
Determination unit 3, for determining TIt is indoorWith THeat exchangerDifference DELTA T1=TIt is indoor-THeat exchanger、THeat exchangerWith TIt is indoorΔ T1 '=
THeat exchanger-TIt is indoor、TIt is indoorWith TDetectionDifference DELTA T2=TIt is indoor-TDetectionAnd TDetectionWith TIt is indoorDifference DELTA T2 '=TDetection-TIt is indoor；
Judging unit 4, for judging institute according to the operating status of the air conditioner, Δ T1, Δ T1 ', Δ T2 and Δ T2 '
Filter screen 7 is stated whether in blocked state.
More specifically, the operating status of the air conditioner includes the refrigerating/heating state and the operation of compressor of air-conditioning
State, please in conjunction with the flow chart of Fig. 6, the deterministic process of judging unit 4 approximately as:
The operating status of the air conditioner is refrigerating state, the first runing time R1 > first of compressor continuous operation is held
Continuous time D1, and the first preset threshold of Δ T1 > A, the Δ T2 < the second preset threshold B, and Δ T2 is less than the first of B
When temperature duration W1 > the second duration D2, the judging unit 4 judges that the filter screen 7 is in blocked state；It is no
Then, the judging unit 4 judges that the filter screen 7 is not in blocked state；
The operating status of the air conditioner is heating state, the second runing time R2 > first of compressor continuous operation is held
Continuous time D1, and Δ T1 ' the > A, Δ T2 ' the < B, and second temperature duration W2 > second of the Δ T2 less than B is held
When continuous time D2, the judging unit 4 judges that the filter screen 7 is in blocked state；Otherwise, the judging unit 4 judges institute
It states filter screen 7 and is not in blocked state.
Preferably, the range of D1 is 5~10min；The range of A is 5~10 DEG C；The range of B is 0~5 DEG C；The range of D2 is
1~10s.User can neatly control the first duration D1, the first preset threshold A, the second preset threshold B and as a result,
The range of two duration D2, adjustment judge whether filter screen 7 has been in the condition of blocked state, can be according to different model
Different Rule of judgment is arranged in air-conditioning, has extremely strong universality, while also can control the accuracy of judgement, prevents from judging by accident.
The embodiment of the invention also provides a kind of dust accumulation judgment method, Fig. 7 is the dust accumulation judgment method of the embodiment of the present invention
Step schematic diagram, as shown in fig. 7, the dust accumulation judgment method comprising steps of
S1, the detection temperature T for obtaining the operating status of air conditioner, heat exchanger surfaceDetection, heat exchanger coils temperature THeat exchanger
And room temperature TIt is indoor；
S2, the operating status according to the air conditioner, TDetection、THeat exchangerAnd TIt is indoor, judge whether filter screen is in blocking shape
State.
More specifically, step S1 includes following sub-step, and following sub-step sequence in no particular order:
S11, outside by being placed in filter screen infrared temperature detector penetrate filter screen, obtain the heat exchanger table
The detection temperature T in faceDetection；
S12, surface by being placed in the heat exchanger coils heat exchange temperature sensor, obtain the heat exchanger disk
The temperature T of pipeHeat exchanger；
S13, by being placed in indoor indoor temperature transmitter, obtain room temperature TIt is indoor。
Wherein, T is obtained by infrared temperature detectorDetection, this is because when filter screen is clean, infrared temperature detector
The temperature (as shown in Figure 3) of heat exchanger surface can be detected through filter screen；When having served as filter net jam, infrared temperature detector
Filter screen can not be penetrated, the temperature (as shown in Figure 4) of filtering net surface is only able to detect.The present invention can be fast and effective as a result,
Whether filter screen is judged on ground dirty stifled, so that user be prompted to clean filter screen.
Fig. 8 is the sub-step schematic diagram of step S2 in Fig. 1, as shown in figure 8, step S2 includes following sub-step:
S21, T is determinedIt is indoorWith THeat exchangerDifference DELTA T1=TIt is indoor-THeat exchanger、THeat exchangerWith TIt is indoorΔ T1 '=THeat exchanger-TIt is indoor、TIt is indoor
With TDetectionDifference DELTA T2=TIt is indoor-TDetectionAnd TDetectionWith TIt is indoorDifference DELTA T2 '=TDetection-TIt is indoor；
S22, according to the operating status of the air conditioner, Δ T1, Δ T1 ', Δ T2 and Δ T2 ', judge that the filter screen is
It is no to be in blocked state.
Please in conjunction with the flow chart of Fig. 6, step S22 specifically:
The operating status of the air conditioner is refrigerating state, the first runing time R1 > first of compressor continuous operation is held
Continuous time D1, and the first preset threshold of Δ T1 > A, the Δ T2 < the second preset threshold B, and Δ T2 is less than the first of B
When temperature duration W1 > the second duration D2, judge that the filter screen is in blocked state；Otherwise, judge the filtering
Net is not in blocked state；
The operating status of the air conditioner is heating state, the second runing time R2 > first of compressor continuous operation is held
Continuous time D1, and Δ T1 ' the > A, Δ T2 ' the < B, and second temperature duration W2 > second of the Δ T2 less than B is held
When continuous time D2, judge that the filter screen is in blocked state；Otherwise, judge that the filter screen is not in blocked state.
Preferably, the range of D1 is 5~10min；The range of A is 5~10 DEG C；The range of B is 0~5 DEG C；The range of D2 is
1~10s, user can be by the parameter of change D1, A, B and D2, so as to adjust judging whether filter screen has been in blocking as a result,
Different Rule of judgment is arranged with the air-conditioning according to different model for the condition of state, has extremely strong universality, while can also control
The accuracy for making judgement, prevents from judging by accident.
The embodiment of the invention also provides a kind of air conditioners, including dust accumulation judgment means above-mentioned, quickly, accurately, effectively
Judge that whether dirty filter screen is stifled, so as to efficiently user be reminded to clean filter screen in time.
To sum up, operating status by air conditioner of dust accumulation judgment means, method and air conditioner of the invention, TDetection、THeat exchangerWith
And TIt is indoor, can effectively judge that whether dirty filter screen is stifled, remind the user that cleaning filter screen in time, improve refrigeration, heating effect
Fruit achievees the purpose that reduce energy consumption.
So far, attached drawing is had been combined to the present invention have been described in detail.According to above description, those skilled in the art are answered
When having clear understanding to installation system of the invention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of dust accumulation judgment means characterized by comprising
It obtains module (1), for obtaining the operating status of air conditioner, the detection temperature T on heat exchanger (5) surfaceDetection, heat exchanger disk
The temperature T of pipeHeat exchanger (5)And room temperature TIt is indoor；
Judgment module (2), for the operating status according to the air conditioner, TDetection、THeat exchanger (5)And TIt is indoor, judge filter screen (7)
Whether blocked state is in.
2. dust accumulation judgment means according to claim 1, which is characterized in that the acquisition module (1) includes:
Infrared temperature detector (9), is placed in the outside of filter screen (7), penetrates filter screen (7), obtains the heat exchanger (5)
The detection temperature T on surfaceDetection；
Heat exchange temperature sensor (6), is placed in the surface of the heat exchanger coils, for obtaining the temperature of the heat exchanger coils
Spend THeat exchanger (5)；
Indoor temperature transmitter (8), is placed in interior, for obtaining room temperature TIt is indoor。
3. dust accumulation judgment means according to claim 2, which is characterized in that the judgment module (2) includes:
Determination unit (3), for determining TIt is indoorWith THeat exchanger (5)Difference DELTA T1=TIt is indoor-THeat exchanger (5)、THeat exchanger (5)With TIt is indoorΔ T1 '
=THeat exchanger (5)-TIt is indoor、TIt is indoorWith TDetectionDifference DELTA T2=TIt is indoor-TDetectionAnd TDetectionWith TIt is indoorDifference DELTA T2 '=TDetection-TIt is indoor；
Judging unit (4), for according to the operating status of the air conditioner, Δ T1, Δ T1 ', Δ T2 and Δ T2 ', described in judgement
Whether filter screen (7) is in blocked state.
4. dust accumulation judgment means according to claim 3, which is characterized in that the operating status of the air conditioner is refrigeration shape
First runing time R1 > the first duration D1 of state, compressor continuous operation, and the Δ T1 > the first preset threshold A,
The Δ T2 < the second preset threshold B, and when first temperature duration W1 > second duration D2 of the Δ T2 less than B, institute
It states judging unit (4) and judges that the filter screen (7) is in blocked state；Otherwise, the judging unit (4) judges the filter screen
(7) it is not in blocked state；
When the operating status of the air conditioner is heating state, the second runing time R2 > first of compressor continuous operation continues
Between D1, and Δ T1 ' the > A, Δ T2 ' the < B, and when second temperature duration W2 > second of the Δ T2 less than B continues
Between D2 when, the judging unit (4) judges that the filter screen (7) is in blocked state；Otherwise, judging unit (4) judgement
The filter screen (7) is not in blocked state.
5. dust accumulation judgment means according to claim 4, which is characterized in that the range of D1 is 5~10min；The range of A is
5~10 DEG C；The range of B is 0~5 DEG C；The range of D2 is 1~10s.
6. a kind of dust accumulation judgment method characterized by comprising
Obtain the operating status of air conditioner, the detection temperature T on heat exchanger (5) surfaceDetection, heat exchanger coils temperature THeat exchanger (5)With
And room temperature TIt is indoor；
According to the operating status of the air conditioner, TDetection、THeat exchanger (5)And TIt is indoor, judge filter screen (7) whether in blocked state.
7. dust accumulation judgment method according to claim 6, which is characterized in that obtain operating status, the heat exchanger of air conditioner
(5) the detection temperature T on surfaceDetection, heat exchanger coils temperature THeat exchanger (5)And room temperature TIt is indoorThe step of include:
Infrared temperature detector (9) by being placed in the outside of filter screen (7) penetrates filter screen (7), obtains the heat exchanger
(5) the detection temperature T on surfaceDetection；
By being placed in the heat exchange temperature sensor (6) on the surface of the heat exchanger coils, the heat exchanger coils are obtained
Temperature THeat exchanger (5)；
By being placed in indoor indoor temperature transmitter (8), room temperature T is obtainedIt is indoor。
8. dust accumulation judgment method according to claim 7, which is characterized in that according to the operating status of the air conditioner,
TDetection、THeat exchanger (5)And TIt is indoor, judge that the step of whether filter screen (7) is in blocked state includes:
Determine TIt is indoorWith THeat exchanger (5)Difference DELTA T1=TIt is indoor-THeat exchanger (5)、THeat exchanger (5)With TIt is indoorΔ T1 '=THeat exchanger (5)-TIt is indoor、TIt is indoor
With TDetectionDifference DELTA T2=TIt is indoor-TDetectionAnd TDetectionWith TIt is indoorDifference DELTA T2 '=TDetection-TIt is indoor；
According to the operating status of the air conditioner, Δ T1, Δ T1 ', Δ T2 and Δ T2 ', judge whether the filter screen (7) is in
Blocked state.
9. dust accumulation judgment method according to claim 8, which is characterized in that according to the operating status of the air conditioner, Δ
T1, Δ T1 ', Δ T2 and Δ T2 ' judge that the step of whether filter screen (7) is in blocked state includes:
When the operating status of the air conditioner is refrigerating state, the first runing time R1 > first of compressor continuous operation continues
Between D1, and the first preset threshold of Δ T1 > A, the Δ T2 < the second preset threshold B, and Δ T2 be less than the first temperature of B
When > duration W1, D2 the second duration, judge that the filter screen (7) is in blocked state；Otherwise, judge the filtering
Net (7) is not in blocked state；
When the operating status of the air conditioner is heating state, the second runing time R2 > first of compressor continuous operation continues
Between D1, and Δ T1 ' the > A, Δ T2 ' the < B, and when second temperature duration W2 > second of the Δ T2 less than B continues
Between D2 when, judge that the filter screen (7) is in blocked state；Otherwise, judge that the filter screen (7) is not in blocked state.
10. dust accumulation judgment method according to claim 9, which is characterized in that the range of the D1 is 5~10min；A's
Range is 5~10 DEG C；The range of B is 0~5 DEG C；The range of D2 is 1~10s.
11. a kind of air conditioner, which is characterized in that including the dust accumulation judgment means as described in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539139.8A CN109631231B (en) | 2018-12-14 | 2018-12-14 | Accumulated dust judging device and method and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811539139.8A CN109631231B (en) | 2018-12-14 | 2018-12-14 | Accumulated dust judging device and method and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109631231A true CN109631231A (en) | 2019-04-16 |
| CN109631231B CN109631231B (en) | 2020-12-22 |
Family
ID=66074469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811539139.8A Active CN109631231B (en) | 2018-12-14 | 2018-12-14 | Accumulated dust judging device and method and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109631231B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736196A (en) * | 2019-09-30 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and device for self-cleaning of air conditioner and air conditioner |
| CN111140992A (en) * | 2020-01-07 | 2020-05-12 | 宁波奥克斯电气股份有限公司 | Air conditioner filter screen filth blockage detection method and device, air conditioner and storage medium |
| CN111288608A (en) * | 2020-03-04 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Control method and control device for filter screen filth blockage reminding and air conditioner |
| CN111288609A (en) * | 2020-03-11 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Air conditioner filter screen filth blockage detection method and device, air conditioner and storage medium |
| CN111288607A (en) * | 2020-03-04 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Method and device for detecting filth blockage of air conditioner heat exchanger and air conditioner |
| CN113060164A (en) * | 2021-03-31 | 2021-07-02 | 中车青岛四方机车车辆股份有限公司 | Filter screen monitoring method and system and related components |
| CN113669841A (en) * | 2021-08-31 | 2021-11-19 | 佛山市顺德区美的电子科技有限公司 | Method and device for detecting dust accumulation blockage of air conditioner, air conditioner and storage medium |
| CN115111703A (en) * | 2022-06-23 | 2022-09-27 | 博锐尚格科技股份有限公司 | Method, terminal and storage medium for detecting filth blockage of water-cooled air conditioner |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007333236A (en) * | 2006-06-12 | 2007-12-27 | Sharp Corp | Air conditioner |
| CN201000370Y (en) * | 2006-11-03 | 2008-01-02 | 珠海格力电器股份有限公司 | Filter blockage alarm device for indoor unit of air conditioner |
| CN201229030Y (en) * | 2008-05-12 | 2009-04-29 | 泰豪科技股份有限公司 | Air-conditioning unit with filter screen dirtying and blocking alarm device |
| CN102748837A (en) * | 2012-07-28 | 2012-10-24 | Tcl空调器(中山)有限公司 | Air conditioner and automatically-reminding method for dirty and blocking of filter screen thereof |
| CN103574838A (en) * | 2012-08-08 | 2014-02-12 | 北京动力源科技股份有限公司 | Method and device for warning about filth blockage of filter net of fresh air conditioner of machine room |
| CN103836776A (en) * | 2014-03-28 | 2014-06-04 | 重庆大学 | Automatic reminding device for cleaning filter screen of air conditioner |
| CN204128256U (en) * | 2014-08-18 | 2015-01-28 | 友隆电器工业(深圳)有限公司 | Filter net jam warning device and aircondition, dehumidifier, air cleaner, heater |
| CN104566855A (en) * | 2014-12-22 | 2015-04-29 | 珠海格力电器股份有限公司 | Filter screen filth blockage early warning method |
| CN104990201A (en) * | 2015-05-29 | 2015-10-21 | 广东美的制冷设备有限公司 | Method and device for detecting filth blockage of air conditioner |
| CN206222609U (en) * | 2016-09-30 | 2017-06-06 | 芜湖美智空调设备有限公司 | Dust detection and air-conditioning |
| CN107036243A (en) * | 2017-04-24 | 2017-08-11 | 广东美的暖通设备有限公司 | Indoor set points out control method and system, indoor set, multi-connected machine central air-conditioning |
| CN207422437U (en) * | 2017-10-31 | 2018-05-29 | 广东美的制冷设备有限公司 | Air conditioner room unit and air conditioner |
| CN207487072U (en) * | 2017-11-28 | 2018-06-12 | 广东美的制冷设备有限公司 | Dust detection and air conditioner |
| CN108759027A (en) * | 2018-06-08 | 2018-11-06 | 广东美的制冷设备有限公司 | The control method and air conditioner of air conditioner |
| CN108981079A (en) * | 2018-08-20 | 2018-12-11 | 广东美的制冷设备有限公司 | Filter screen of air conditioner dust accumulation detection method, air conditioner and storage medium |
-
2018
- 2018-12-14 CN CN201811539139.8A patent/CN109631231B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007333236A (en) * | 2006-06-12 | 2007-12-27 | Sharp Corp | Air conditioner |
| CN201000370Y (en) * | 2006-11-03 | 2008-01-02 | 珠海格力电器股份有限公司 | Filter blockage alarm device for indoor unit of air conditioner |
| CN201229030Y (en) * | 2008-05-12 | 2009-04-29 | 泰豪科技股份有限公司 | Air-conditioning unit with filter screen dirtying and blocking alarm device |
| CN102748837A (en) * | 2012-07-28 | 2012-10-24 | Tcl空调器(中山)有限公司 | Air conditioner and automatically-reminding method for dirty and blocking of filter screen thereof |
| CN103574838A (en) * | 2012-08-08 | 2014-02-12 | 北京动力源科技股份有限公司 | Method and device for warning about filth blockage of filter net of fresh air conditioner of machine room |
| CN103836776A (en) * | 2014-03-28 | 2014-06-04 | 重庆大学 | Automatic reminding device for cleaning filter screen of air conditioner |
| CN204128256U (en) * | 2014-08-18 | 2015-01-28 | 友隆电器工业(深圳)有限公司 | Filter net jam warning device and aircondition, dehumidifier, air cleaner, heater |
| CN104566855A (en) * | 2014-12-22 | 2015-04-29 | 珠海格力电器股份有限公司 | Filter screen filth blockage early warning method |
| CN104990201A (en) * | 2015-05-29 | 2015-10-21 | 广东美的制冷设备有限公司 | Method and device for detecting filth blockage of air conditioner |
| CN206222609U (en) * | 2016-09-30 | 2017-06-06 | 芜湖美智空调设备有限公司 | Dust detection and air-conditioning |
| CN107036243A (en) * | 2017-04-24 | 2017-08-11 | 广东美的暖通设备有限公司 | Indoor set points out control method and system, indoor set, multi-connected machine central air-conditioning |
| CN207422437U (en) * | 2017-10-31 | 2018-05-29 | 广东美的制冷设备有限公司 | Air conditioner room unit and air conditioner |
| CN207487072U (en) * | 2017-11-28 | 2018-06-12 | 广东美的制冷设备有限公司 | Dust detection and air conditioner |
| CN108759027A (en) * | 2018-06-08 | 2018-11-06 | 广东美的制冷设备有限公司 | The control method and air conditioner of air conditioner |
| CN108981079A (en) * | 2018-08-20 | 2018-12-11 | 广东美的制冷设备有限公司 | Filter screen of air conditioner dust accumulation detection method, air conditioner and storage medium |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736196A (en) * | 2019-09-30 | 2020-01-31 | 青岛海尔空调器有限总公司 | Control method and device for self-cleaning of air conditioner and air conditioner |
| CN110736196B (en) * | 2019-09-30 | 2021-10-29 | 青岛海尔空调器有限总公司 | Control method and device for self-cleaning of air conditioner and air conditioner |
| CN111140992B (en) * | 2020-01-07 | 2021-07-16 | 宁波奥克斯电气股份有限公司 | Air conditioner filter screen filth blockage detection method and device, air conditioner and storage medium |
| CN111140992A (en) * | 2020-01-07 | 2020-05-12 | 宁波奥克斯电气股份有限公司 | Air conditioner filter screen filth blockage detection method and device, air conditioner and storage medium |
| CN111288607B (en) * | 2020-03-04 | 2022-02-08 | 宁波奥克斯电气股份有限公司 | Method and device for detecting filth blockage of air conditioner heat exchanger and air conditioner |
| CN111288607A (en) * | 2020-03-04 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Method and device for detecting filth blockage of air conditioner heat exchanger and air conditioner |
| CN111288608A (en) * | 2020-03-04 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Control method and control device for filter screen filth blockage reminding and air conditioner |
| CN111288609A (en) * | 2020-03-11 | 2020-06-16 | 宁波奥克斯电气股份有限公司 | Air conditioner filter screen filth blockage detection method and device, air conditioner and storage medium |
| CN113060164A (en) * | 2021-03-31 | 2021-07-02 | 中车青岛四方机车车辆股份有限公司 | Filter screen monitoring method and system and related components |
| CN113669841A (en) * | 2021-08-31 | 2021-11-19 | 佛山市顺德区美的电子科技有限公司 | Method and device for detecting dust accumulation blockage of air conditioner, air conditioner and storage medium |
| CN113669841B (en) * | 2021-08-31 | 2022-09-30 | 佛山市顺德区美的电子科技有限公司 | Method and device for detecting dust accumulation blockage of air conditioner, air conditioner and storage medium |
| CN115111703A (en) * | 2022-06-23 | 2022-09-27 | 博锐尚格科技股份有限公司 | Method, terminal and storage medium for detecting filth blockage of water-cooled air conditioner |
| CN115111703B (en) * | 2022-06-23 | 2023-10-27 | 博锐尚格科技股份有限公司 | Method, terminal and storage medium for detecting filth blockage of water-cooled air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109631231B (en) | 2020-12-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109631231A (en) | Dust accumulation judgment means, method and air conditioner | |
| CN102748837B (en) | A kind of air-conditioner and filter screen dirtying thereof block up automatic reminding method | |
| CN107036243B (en) | Indoor unit prompts control method and system, indoor unit, multi-connected machine central air-conditioning | |
| CN108444044B (en) | Self-cleaning control method for air conditioner | |
| CN106152382B (en) | A kind of control method and system for preventing frequency of air condition compressor to fluctuate | |
| CN106382709A (en) | Air conditioner filter screen filth blockage detection method and system and air conditioner | |
| CN109695945A (en) | Air-conditioning heat exchanger automatically cleaning control method, system and air-conditioning | |
| CN101660808A (en) | Air conditioner and frost removal control method thereof | |
| CN109916049B (en) | Self-cleaning control method for air conditioner | |
| CN109827290A (en) | Control method, device and the air conditioner of dirty stifled prompting | |
| CN104654685B (en) | The defrosting control method and device of heat pump | |
| CN108488992A (en) | A kind of dirty stifled reminding method of filter screen of air conditioner, air conditioner and storage medium | |
| CN105928278A (en) | Four-way valve fault detection method and device and air conditioner | |
| CN109916046B (en) | Air conditioner self-cleaning control method and air conditioner | |
| WO2020187232A1 (en) | Self-cleaning control method for air conditioner | |
| CN111111342B (en) | Filter assembly and filter screen filth blockage detection method | |
| WO2021057469A1 (en) | Method for determining clogging degree of dust filter screen of air conditioner, and air conditioner | |
| US12066192B2 (en) | Smart indoor air venting system | |
| CN110260465A (en) | Airflow filtering component filth blockage detection device and method and air conditioning equipment | |
| WO2021057468A1 (en) | Method for determining degree of blockage of filter of air conditioner, and air conditioner | |
| CN106091251A (en) | Filth blockage judging method and device for heat exchanger and air conditioner | |
| WO2020187236A1 (en) | Self-cleaning control method for air conditioner | |
| EP3489592A1 (en) | Filter contamination detection method | |
| CN103940163A (en) | Defrosting control method and device | |
| WO2020187235A1 (en) | Self-cleaning control method for air conditioner, and air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |