CN110307617A - Heat exchanger, filth blockage detection method, device and system thereof, and electrical equipment - Google Patents
Heat exchanger, filth blockage detection method, device and system thereof, and electrical equipment Download PDFInfo
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- CN110307617A CN110307617A CN201910593723.XA CN201910593723A CN110307617A CN 110307617 A CN110307617 A CN 110307617A CN 201910593723 A CN201910593723 A CN 201910593723A CN 110307617 A CN110307617 A CN 110307617A
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- 238000001514 detection method Methods 0.000 title claims abstract description 104
- 230000008676 import Effects 0.000 claims description 18
- 238000004458 analytical method Methods 0.000 abstract description 18
- 238000000034 method Methods 0.000 abstract description 14
- 238000004378 air conditioning Methods 0.000 description 31
- 238000004140 cleaning Methods 0.000 description 15
- 238000010586 diagram Methods 0.000 description 14
- 238000003556 assay Methods 0.000 description 11
- 238000005516 engineering process Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000010801 machine learning Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000002516 radical scavenger Substances 0.000 description 1
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
-
- 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
- F24F11/38—Failure diagnosis
-
- 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
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- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Signal Processing (AREA)
- Biomedical Technology (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
- Air Conditioning Control Device (AREA)
- Studio Devices (AREA)
Abstract
The disclosure relates to a heat exchanger, a filth blockage detection method, a filth blockage detection device, a filth blockage detection system and electrical equipment. The heat exchanger filth blockage detection method comprises the following steps: acquiring images of the same position of the heat exchanger acquired by a plurality of cameras, and acquiring a corresponding first filth blockage degree according to the image acquired by each camera; and determining whether the heat exchanger is dirty or not according to the plurality of first dirty degrees. According to the method, multiple cameras are adopted for simultaneous judgment, even if one camera breaks down, the heat exchanger filth blockage analysis can be accurately carried out, so that the accuracy and the reliability of the heat exchanger filth blockage analysis can be improved, and the performance and the reliability of the air conditioner heat exchanger are improved.
Description
Technical field
This disclosure relates to field of heat exchangers, in particular to a kind of heat exchanger and its dirty stifled detection method, device and system, electricity
Device equipment.
Background technique
The relevant technologies are directed to the dirty stifled situation of heat exchanger of air-conditioning, and a camera can be used and carry out Image Acquisition to sentence
It is disconnected.
But when the image acquisition device on air-conditioning breaks down, the dirty stifled judgement failure of heat exchanger will lead to, it is final to influence
The heat exchange property of air-conditioning.
Summary of the invention
In view of in the above technical problem at least one of, present disclose provides a kind of heat exchanger and its dirty stifled detection method,
Device and system, electrical equipment use multiple cameras can be with the dirty stifled situation of accurate judgement heat exchanger, even if a camera goes out
Existing failure, can also accurately carry out the dirty stifled analysis of heat exchanger.
According to one aspect of the disclosure, a kind of dirty stifled detection method of heat exchanger is provided, comprising:
The image for obtaining the heat exchanger same position of multiple camera acquisitions, obtains according to the image of each camera acquisition
Corresponding first dirty stifled degree；
Determine that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
It is described to determine the whether dirty blocking package of heat exchanger according to the multiple first dirty stifled degree in some embodiments of the present disclosure
It includes:
Judged in multiple cameras according to the multiple first dirty stifled degree with the presence or absence of failure camera；
In the case where failure camera is not present in multiple cameras, determined according to the multiple first dirty stifled degree average dirty stifled
Degree；
Determine that whether dirty heat exchanger is stifled according to averagely dirty stifled degree.
It is described to judge whether deposit in multiple cameras according to the multiple first dirty stifled degree in some embodiments of the present disclosure
It include: to judge that the absolute difference in the multiple first dirty stifled degree with the presence or absence of two the first dirty stifled degree is big in failure camera
In predetermined difference value；In the case where whether being greater than predetermined difference value there are the absolute difference of two the first dirty stifled degree, determination is more
There are failure cameras in a camera.
In some embodiments of the present disclosure, the basis be averaged dirty stifled degree determine heat exchanger it is whether dirty it is stifled include: to sentence
Whether disconnected average dirty stifled degree, which is greater than, makes a reservation for dirty stifled degree threshold value；It is greater than the feelings for making a reservation for dirty stifled degree threshold value in averagely dirty stifled degree
Under condition, determining heat exchanger, there are dirty stifled.
It is described to determine that whether dirty block up of heat exchanger is also wrapped according to the multiple first dirty stifled degree in some embodiments of the present disclosure
It includes:
In multiple cameras there are in the case where failure camera, according to the import and export pipeline temperature and environment temperature of heat exchanger
Degree, determines the second dirty stifled degree；
Determine that whether dirty heat exchanger is stifled according to the second dirty stifled degree.
It is described to determine that whether dirty block up of heat exchanger includes: according to the second dirty stifled degree in some embodiments of the present disclosure
Judge whether the second dirty stifled degree is greater than and makes a reservation for dirty stifled degree threshold value；
In the case where the second dirty stifled degree is greater than dirty stifled degree threshold value is made a reservation for, determining heat exchanger, there are dirty stifled.
It is described to determine the whether dirty blocking package of heat exchanger according to the multiple first dirty stifled degree in some embodiments of the present disclosure
It includes:
In such a way that the minority is subordinate to the majority, determine that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
It is described in such a way that the minority is subordinate to the majority in some embodiments of the present disclosure, according to the multiple first dirty stifled journeys
It spends and determines that whether dirty block up of heat exchanger includes:
By each first dirty stifled degree respectively with make a reservation for dirty stifled degree threshold value and be compared；
Judge whether the first quantity is greater than the second quantity, wherein the first quantity is greater than making a reservation for the of dirty stifled degree threshold value
One dirty stifled degree quantity, the second quantity are no more than the first dirty stifled degree quantity for making a reservation for dirty stifled degree threshold value；
In the case where the first quantity is greater than the second quantity, determining heat exchanger, there are dirty stifled.
It is described to determine the whether dirty blocking package of heat exchanger according to the multiple first dirty stifled degree in some embodiments of the present disclosure
It includes:
According to the import and export pipeline temperature and environment temperature of heat exchanger, the second dirty stifled degree is determined；
In such a way that the minority is subordinate to the majority, determine that heat exchanger is according to the second dirty stifled degree and multiple first dirty stifled degree
It is no dirty stifled.
It is described in such a way that the minority is subordinate to the majority in some embodiments of the present disclosure, according to the second dirty stifled degree and
Multiple first dirty stifled degree determine that whether dirty block up of heat exchanger includes:
By the second dirty stifled degree and each first dirty stifled degree respectively with make a reservation for dirty stifled degree threshold value and be compared；
Judge whether third quantity is greater than the 4th quantity, wherein third quantity is greater than making a reservation for the of dirty stifled degree threshold value
Two dirty stifled degree quantity and the first dirty stifled degree quantity, the 4th quantity are no more than the second dirty stifled journey for making a reservation for dirty stifled degree threshold value
Degree amount and the first dirty stifled degree quantity；
In the case where third quantity is greater than four quantity, determining heat exchanger, there are dirty stifled.
In some embodiments of the present disclosure, in third quantity less than the 4th quantity or the first quantity less than the second quantity
In the case where, determining heat exchanger, there is no dirty stifled.
In some embodiments of the present disclosure, it is equal to the 4th quantity in third quantity or the first quantity is equal to the second quantity
In the case where, reminder message undetermined is blocked up to user's transmission is dirty.
In some embodiments of the present disclosure, the dirty stifled detection method of heat exchanger further include:
Judged in multiple cameras according to the multiple first dirty stifled degree with the presence or absence of failure camera.
In some embodiments of the present disclosure, the dirty stifled detection method of heat exchanger further include:
There are in the case where failure camera in multiple cameras, camera damage is sent to user and is reminded.
In some embodiments of the present disclosure, the dirty stifled detection method of heat exchanger further include:
Heat exchanger is being determined there are in situation dirty plugging, is sending dirty stifled reminder message to user.
According to another aspect of the present disclosure, a kind of heat exchanger filth blockage detection device is provided, comprising:
Dirty stifled degree determining module, the image of the heat exchanger same position for obtaining multiple camera acquisitions, according to every
The image of a camera acquisition obtains corresponding first dirty stifled degree；
Dirty stifled determining module, for determining that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
In some embodiments of the present disclosure, the heat exchanger filth blockage detection device realizes such as any of the above-described reality for executing
Apply the operation of the dirty stifled detection method of heat exchanger described in example.
According to another aspect of the present disclosure, a kind of heat exchanger filth blockage detection device is provided, comprising:
Memory, for storing instruction；
Processor, for executing described instruction, so that described device, which executes, realizes changing as described in above-mentioned any embodiment
The operation of the hot dirty stifled detection method of device.
According to another aspect of the present disclosure, a kind of dirty stifled detection system of heat exchanger is provided, comprising:
Multiple cameras, for the image of heat collecting exchanger same position, and by the figure of the heat exchanger same position of acquisition
As being sent to heat exchanger filth blockage detection device；
Heat exchanger filth blockage detection device, for the heat exchanger filth blockage detection device as described in above-mentioned any embodiment.
In some embodiments of the present disclosure, the dirty stifled detection system of heat exchanger further include:
Temperature sensor, for the import and export pipeline temperature and environment temperature of heat collecting exchanger, and by the disengaging of heat exchanger
Mouth line temperature and environment temperature are sent to heat exchanger filth blockage detection device.
According to another aspect of the present disclosure, a kind of heat exchanger is provided, including the heat exchanger as described in above-mentioned any embodiment
Filth blockage detection device, and/or, including the dirty stifled detection system of the heat exchanger as described in above-mentioned any embodiment.
According to another aspect of the present disclosure, a kind of electrical equipment is provided, including the heat exchange as described in above-mentioned any embodiment
Device.
According to another aspect of the present disclosure, a kind of computer readable storage medium is provided, wherein described computer-readable to deposit
Storage media is stored with computer instruction, and the heat exchanger as described in above-mentioned any embodiment is realized when described instruction is executed by processor
Dirty stifled detection method.
The disclosure is judged simultaneously using multi-cam, even if a camera breaks down, can also accurately be exchanged heat
The dirty stifled analysis of device, it is possible thereby to the dirty stifled precision of analysis of heat exchanger and reliability be improved, to improve the property of air-conditioning heat exchanger
Energy and reliability.
Detailed description of the invention
In order to illustrate more clearly of the embodiment of the present disclosure or technical solution in the prior art, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Disclosed some embodiments for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the schematic diagram of the dirty stifled some embodiments of detection method of disclosure heat exchanger.
Fig. 2 is the schematic diagram of the dirty stifled other embodiment of detection method of disclosure heat exchanger.
Fig. 3 is the schematic diagram of dirty stifled other embodiments of detection method of disclosure heat exchanger.
Fig. 4 is the schematic diagram of the dirty stifled other embodiment of detection method of disclosure heat exchanger.
Fig. 5 is the schematic diagram of some embodiments of disclosure heat exchanger filth blockage detection device.
Fig. 6 is the schematic diagram of other embodiments of disclosure heat exchanger filth blockage detection device.
Fig. 7 is the schematic diagram of the dirty stifled some embodiments of detection system of disclosure heat exchanger.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present disclosure, the technical solution in the embodiment of the present disclosure is carried out clear, complete
Site preparation description, it is clear that described embodiment is only disclosure a part of the embodiment, instead of all the embodiments.Below
Description only actually at least one exemplary embodiment be it is illustrative, never as to the disclosure and its application or making
Any restrictions.Based on the embodiment in the disclosure, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, belong to the disclosure protection range.
Unless specifically stated otherwise, positioned opposite, the digital table of the component and step that otherwise illustrate in these embodiments
Up to the unlimited the scope of the present disclosure processed of formula and numerical value.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the schematic diagram of the dirty stifled some embodiments of detection method of disclosure heat exchanger.Preferably, the present embodiment can be by this
Open heat exchanger filth blockage detection device or the dirty stifled detection system of disclosure heat exchanger execute.Method includes the following steps:
Step 11, the image for obtaining multiple cameras while the heat exchanger same position of acquisition, is adopted according to each camera
The image of collection obtains corresponding first dirty stifled degree.
In some embodiments of the present disclosure, heat exchanger can be heat exchanger of air conditioner outdoor unit.
In some embodiments of the present disclosure, according to the available first dirty stifled journey of image of camera acquisition
Degree.
In some embodiments of the present disclosure, in step 11, the image according to the acquisition of each camera obtains corresponding
The first dirty stifled degree the step of may include: the stifled degree dirty to various heat exchange device according to image recognition and machine learning techniques
Image pattern carries out machine learning algorithm modeling, then analyzes acquired each image, can calculate its dirty stifled journey
Degree.
In some embodiments of the present disclosure, the quantity of camera is at least two.
Step 12, determine that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
In some embodiments of the present disclosure, step 12 may include:
Step 121, judged in multiple cameras according to the multiple first dirty stifled degree with the presence or absence of failure camera.
In some embodiments of the present disclosure, step 121 includes: to judge in the multiple first dirty stifled degree with the presence or absence of two
The absolute difference of first dirty stifled degree is greater than predetermined difference value；There are whether the absolute difference of two the first dirty stifled degree is big
In the case where predetermined difference value, determine that there are failure cameras in multiple cameras.
Step 122, it in the case where failure camera is not present in multiple cameras, is determined according to the multiple first dirty stifled degree
Average dirty stifled degree.
Step 123, determine that whether dirty heat exchanger is stifled according to averagely dirty stifled degree.
In some embodiments of the present disclosure, step 123 includes: to judge whether average dirty stifled degree is greater than to make a reservation for dirty stifled journey
Spend threshold value；In the case where averagely dirty stifled degree is greater than dirty stifled degree threshold value is made a reservation for, determining heat exchanger, there are dirty stifled.
Step 124, in multiple cameras there are in the case where failure camera, according to the import and export pipeline temperature of heat exchanger
And environment temperature, determine the second dirty stifled degree.
In some embodiments of the present disclosure, in step 124, the import and export pipeline temperature and environment according to heat exchanger
Temperature, the step of determining the second dirty stifled degree may include: to do experiment in laboratory to determine: in the dirty stifled degree of various heat exchange device
Under, calculate heat exchanger heat-exchange temperature；The model (fitting formula) for establishing a heat exchanger heat transfer temperature difference and dirty stifled degree, such as formula
(1) shown in, wherein P is dirty stifled degree (the second dirty stifled degree), and dT is heat transfer temperature difference.
P=L (dT) (1)
Step 125, determine that whether dirty heat exchanger is stifled according to the second dirty stifled degree.
In some embodiments of the present disclosure, step 125 may include: judge the second dirty stifled degree whether be greater than make a reservation for it is dirty
Stifled degree threshold value；In the case where the second dirty stifled degree is greater than dirty stifled degree threshold value is made a reservation for, determining heat exchanger, there are dirty stifled.
Based on the dirty stifled detection method of disclosure heat exchanger provided by the above embodiment, the air-conditioning for providing a kind of high reliability is changed
The dirty stifled analysis of air-conditioning heat exchanger of the hot dirty stifled analysis method high reliability of device, preferentially using multi-cam (such as: dual camera)
To carry out heat exchanger Image Acquisition, and the image of multiple cameras is compared.If the matching degree of two images is lower than threshold
Value has then judged a camera damage, to abandon judging heat exchanger scheme whether dirty plugging by image.This space-time
Whether adjusting system can judge heat exchanger using the method by detection air-conditioning heat exchanger the import and export pipeline temperature and environment temperature
Scheme dirty plugging, and user's camera is prompted to damage, it is overhauled.
Disclosure above-described embodiment is judged simultaneously using multi-cam, can also be quasi- even if a camera breaks down
The dirty stifled analysis of heat exchanger is really carried out, it is possible thereby to the dirty stifled precision of analysis of heat exchanger and reliability be improved, to improve air-conditioning
The performance and reliability of heat exchanger.
Fig. 2 is the schematic diagram of the dirty stifled other embodiment of detection method of disclosure heat exchanger.Preferably, the present embodiment can be by
Disclosure heat exchanger filth blockage detection device or the dirty stifled detection system of disclosure heat exchanger execute, the dirty stifled inspection of heat exchanger in the present embodiment
Examining system includes two cameras.Method includes the following steps:
Step 200, presetting predetermined difference value (dirty stifled degree difference threshold value) is m, and making a reservation for dirty stifled degree threshold value is k, even
Continuous frequency threshold value is n, continuously judges number i=0.
Step 201, two cameras installed at outdoor machine of air-conditioner heat exchanger, while heat exchanging device same place (position) is adopted
Collect image.
Step 202, compare the image of two cameras acquisition, and carry out the dirty stifled degree analyzing of heat exchanger, it is dirty to obtain first
Stifled degree is respectively p1 and p2 (0%≤p1≤100%, 0%≤p2≤100%).
Step 203, compare the first dirty stifled degree p1 and p2.
Step 204, judge that the difference of the first dirty stifled degree p1 and p2 determines only whether be greater than predetermined difference value m.If | p1-
P2 | it is not more than predetermined difference value m, thens follow the steps 205；Otherwise, if | p1-p2 | be not more than predetermined difference value m, then follow the steps
208。
In some embodiments of the present disclosure, predetermined difference value m can be 10% or 20%.
Step 205, image difference number i is reset to 0, enables and continuously judges number i=0.
Step 206, judge whether the value for calculating (p1+p2)/2 is greater than and make a reservation for dirty stifled degree threshold value k.(if p1+p2)/2
Value be greater than make a reservation for dirty stifled degree threshold value k, then follow the steps 207.
In some embodiments of the present disclosure, making a reservation for dirty stifled degree threshold value k can be 50%.
Step 207, it reminds user's heat exchanger dirty stifled, needs to clean heat exchanger；Later, other of the present embodiment are no longer executed
Step.
Step 208, continuously judge that number i increases by 1, execute step 209 later.
Step 209, judgement continuously judges whether number i is greater than predetermined read-around ratio threshold value n.If continuously judging number i
Greater than predetermined read-around ratio threshold value n, 210 are thened follow the steps；Otherwise, if continuously judging number i no more than predetermined read-around ratio
Threshold value n, thens follow the steps 201, that is, heat exchanging device same place acquires image to two cameras again simultaneously.
Step 210,1 is set by camera fault flag, and user's camera is reminded to damage；Start detection heat exchange
Device the import and export pipeline temperature and environment temperature calculate heat exchanger heat transfer temperature difference, and the dirty stifled degree analyzing of further progress heat exchanger,
Determine that the second dirty stifled degree is p3.
Step 211, judge whether the second dirty stifled degree p3 is greater than and make a reservation for dirty stifled degree threshold value k (such as 50%).If the
Two dirty stifled degree p3, which are greater than, makes a reservation for dirty stifled degree threshold value k, thens follow the steps 212.
Step 212, it reminds user's heat exchanger dirty stifled, needs to clean heat exchanger.
The dirty stifled, Yi Jibu of user's heat exchanger is reminded in other embodiments of the disclosure, in step 207 and step 212
The step of damage of user's camera is reminded in rapid 210 can be carried out using the equipment such as cell phone application/short message, Intelligent bracelet and mode
It reminds in time.
In other embodiments of the disclosure, the dirty stifled detection method of disclosure heat exchanger can also include: that air-conditioning is being transported
When row, camera fault flag is obtained；If camera fault flag is 0,203 are thened follow the steps；Otherwise, if camera shooting
Head fault flag is 0, thens follow the steps 210.
Above mentioned embodiment provide a kind of dirty stifled analysis of the air-conditioning heat exchanger of high reliability and prompting schemes for the disclosure, preferentially
Using multi-cam (such as: dual camera) Lai Jinhang heat exchanger Image Acquisition, and the image of multiple cameras is compared.
If the matching degree of two images is lower than threshold value, a camera damage is judged, to abandon judging by image
Heat exchanger scheme whether dirty plugging.At this moment air-conditioning system can be using by detecting air-conditioning heat exchanger the import and export pipeline temperature and environment
The method of temperature judges heat exchanger scheme whether dirty plugging, and user's camera is prompted to damage, and is overhauled.The disclosure
Which kind of scheme no matter above-described embodiment use, when analyze heat exchanger it is dirty stifled when, in time remind user carry out heat exchanger scavenger
Make.
Disclosure above-described embodiment high reliablity, will not cause because of some component damage air-conditioning can not normal assay change
The hot dirty stifled situation of device and in time progress heat exchanger cleaning, multi-cam judge also to can increase the accurate of the dirty stifled judgement of heat exchanger simultaneously
Property.
Fig. 3 is the schematic diagram of dirty stifled other embodiments of detection method of disclosure heat exchanger.Preferably, the present embodiment can be by
Disclosure heat exchanger filth blockage detection device or the dirty stifled detection system of disclosure heat exchanger execute.This method may include step 31-
Step 33, in which:
Step 31, the image for obtaining multiple cameras while the heat exchanger same position of acquisition, is adopted according to each camera
The image of collection obtains corresponding first dirty stifled degree.
Step 32, in such a way that the minority is subordinate to the majority, determine that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
In some embodiments of the present disclosure, the quantity of the camera can be the odd number greater than 1.
In some embodiments of the present disclosure, step 32 may include:
Step 321, by each first dirty stifled degree respectively with make a reservation for dirty stifled degree threshold value k and be compared.
Step 322, judge whether the first quantity is greater than the second quantity, wherein the first quantity is greater than making a reservation for dirty stifled degree
The dirty stifled degree quantity of the first of threshold value, the second quantity are no more than the first dirty stifled degree quantity for making a reservation for dirty stifled degree threshold value.
Step 323, in the case where the first quantity is greater than the second quantity, determining heat exchanger, there are dirty stifled.
Step 324, in the case where the first quantity is less than the second quantity, determining heat exchanger, there is no dirty stifled.
Step 325, in the case where the first quantity is equal to the second quantity, reminder message undetermined is blocked up to user's transmission is dirty, with
User is reminded further to judge heat exchanger with the presence or absence of dirty stifled.
Step 33, heat exchanger is being determined there are in situation dirty plugging, send dirty stifled reminder message to user.
In some embodiments of the present disclosure, as shown in figure 3, the dirty stifled detection method of disclosure heat exchanger can also include step
Rapid 34- step 35, in which:
Step 34, judged in multiple cameras according to the multiple first dirty stifled degree with the presence or absence of failure camera.
In some embodiments of the present disclosure, step 34 may include: to judge to whether there is in the multiple first dirty stifled degree
The absolute difference of two the first dirty stifled degree is greater than predetermined difference value m；There are the absolute differences of two the first dirty stifled degree
In the case where whether being greater than predetermined difference value, determine that there are failure cameras in multiple cameras.
Step 35, camera damage is sent to user and is reminded there are in the case where failure camera in multiple cameras.
In some specific embodiments of the disclosure, the quantity of the camera is 3.Divided respectively according to camera A, B and C
First dirty stifled degree p1, p2 and p0 is precipitated, then p1 > k and p0 > k, but p2≤k, then determines heat exchanger and dirty stifled, and
Camera B damage.
Further, compare whether the mutual difference of p1, p2 and p0 is greater than predetermined difference value (such as 0.2), just think it
In one there are damaged conditions.
It is illustrated below:
In some specific embodiments of the disclosure, k=0.5, p1=0.6, p2=0.65, p0=0.55, it is determined that change
Hot device is blocked up there are dirty,
In other specific embodiments of the disclosure, k=0.5, p1=0.6, p2=0.65, p0=0.4, it is determined that change
There are dirty stifled for hot device；Since p2-P0 is greater than 0.2, then determine that camera C is damaged.
The disclosure above mentioned embodiment provide a kind of dirty stifled analysis of air-conditioning heat exchanger based on image recognition and prompting scheme,
Pass through multiple cameras simultaneously acquire image data, guaranteed using the scheme that the minority is subordinate to the majority heat exchanger it is dirty it is stifled analysis and and
The reliability of Shi Qingxi.
Disclosure above-described embodiment will not cause because of some component damage air-conditioning can not normal assay heat exchanger it is dirty stifled
Situation and in time progress heat exchanger cleaning, multiple cameras judge the accuracy that also can increase the dirty stifled judgement of heat exchanger simultaneously.
Disclosure above-described embodiment may also determine whether that there are camera damages, and user's camera is prompted to damage, and need
It is overhauled.
The dirty stifled precision of analysis of heat exchanger and reliability can be improved in disclosure above-described embodiment, changes to improve air-conditioning
The performance and reliability of hot device.
Fig. 4 is the schematic diagram of the dirty stifled other embodiment of detection method of disclosure heat exchanger.Preferably, the present embodiment can be by
Disclosure heat exchanger filth blockage detection device or the dirty stifled detection system of disclosure heat exchanger execute.This method may include step 41-
Step 44, in which:
Step 41, the image for obtaining multiple cameras while the heat exchanger same position of acquisition, is adopted according to each camera
The image of collection obtains corresponding first dirty stifled degree.
Step 42, according to the import and export pipeline temperature and environment temperature of heat exchanger, the second dirty stifled degree is determined.
Step 43, it in such a way that the minority is subordinate to the majority, is determined according to the second dirty stifled degree and multiple first dirty stifled degree
Whether heat exchanger is dirty stifled.
In some embodiments of the present disclosure, the quantity of the camera can be the even number greater than 1.
In some embodiments of the present disclosure, step 43 may include:
Step 431, by the second dirty stifled degree and each first dirty stifled degree respectively with make a reservation for dirty stifled degree threshold value k and compare
Compared with.
Step 432, judge whether third quantity is greater than the 4th quantity, wherein third quantity is greater than making a reservation for dirty stifled degree
The dirty stifled degree quantity of the second of threshold value and the first dirty stifled degree quantity, the 4th quantity are no more than making a reservation for the of dirty stifled degree threshold value
Two dirty stifled degree quantity and the first dirty stifled degree quantity.
Step 433, in the case where third quantity is greater than four quantity, determining heat exchanger, there are dirty stifled.
Step 324, in the case where third quantity is less than four quantity, determining heat exchanger, there is no dirty stifled.
Step 325, in the case where third quantity is equal to four quantity, reminder message undetermined is blocked up to user's transmission is dirty, with
User is reminded further to judge heat exchanger with the presence or absence of dirty stifled.
Step 44, heat exchanger is being determined there are in situation dirty plugging, send dirty stifled reminder message to user.
In some specific embodiments of the disclosure, judged using the scheme that the minority is subordinate to the majority, for example image
The image of head A and temperature sensor data detection all reflection heat exchangers are dirty stifled (p1 > k and p3 > k), but another is imaged
The image reflection heat exchanger of head B does not have dirty stifled (p2≤k), then determines that heat exchanger is dirty stifled, then user's camera B is reminded to damage
It is bad, and heat exchanger is cleaned in time.
In some embodiments of the present disclosure, as shown in figure 4, the dirty stifled detection method of disclosure heat exchanger can also include step
45- step 46, in which:
Step 45, judged in multiple cameras and temperature sensor according to the second dirty stifled degree and multiple first dirty stifled degree
With the presence or absence of failure camera or failed temperature sensor.
In some embodiments of the present disclosure, step 34 may include: to judge the second dirty stifled degree and multiple first dirty stifled
It is greater than predetermined difference value m with the presence or absence of the absolute difference of two hot dirty stifled degree of device in degree；That there are two heat exchangers is dirty stifled
In the case that whether the absolute difference of degree is greater than predetermined difference value, determine that there are failures in multiple cameras and temperature sensor
Camera or failed temperature sensor.
Step 46, there are failure camera or the feelings of failed temperature sensor in multiple cameras and temperature sensor
Under condition, the reminder message that camera or temperature sensor damage is sent to user.
Disclosure above-described embodiment is acquired image data by multiple cameras and simultaneously by detection air-conditioning heat exchanger
Whether the method comprehensive descision heat exchanger of the import and export pipeline temperature and environment temperature dirty stifled, using the scheme that the minority is subordinate to the majority come
The reliability for guaranteeing the dirty stifled analysis of heat exchanger and cleaning in time.
Disclosure above-described embodiment will not cause because of some component damage air-conditioning can not normal assay heat exchanger it is dirty stifled
Situation and in time progress heat exchanger cleaning, multiple cameras judge the accuracy that also can increase the dirty stifled judgement of heat exchanger simultaneously.
Disclosure above-described embodiment may also determine whether that there are cameras or temperature sensor to damage, and user is prompted to take the photograph
As head or temperature sensor damage, overhauled.
Fig. 5 is the schematic diagram of some embodiments of disclosure heat exchanger filth blockage detection device.As shown in figure 5, the heat exchanger
Filth blockage detection device may include dirty stifled degree determining module 51 and dirty stifled determining module 52, in which:
Dirty stifled degree determining module 51, the image of the heat exchanger same position for obtaining multiple camera acquisitions, according to
The image of each camera acquisition obtains corresponding first dirty stifled degree.
In some embodiments of the present disclosure, heat exchanger can be heat exchanger of air conditioner outdoor unit.
In some embodiments of the present disclosure, dirty stifled degree determining module 51 can be used for according to image recognition and engineering
Habit technology, stifled degree image pattern dirty to various heat exchange device carry out machine learning algorithm modeling, then carry out to acquired image
Analysis, can calculate its dirty stifled degree.
In some embodiments of the present disclosure, the quantity of camera is at least two.
Dirty stifled determining module 52, for determining that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for according to the multiple first dirty stifled degree judgements
It whether there is failure camera in multiple cameras；In the case where failure camera is not present in multiple cameras, according to multiple
First dirty stifled degree determines average dirty stifled degree；Determine that whether dirty heat exchanger is stifled according to averagely dirty stifled degree.
In some embodiments of the present disclosure, dirty stifled determining module 52 is judging multiple take the photograph according to the multiple first dirty stifled degree
As in head with the presence or absence of in the case where failure camera, can be used for judging in the multiple first dirty stifled degree with the presence or absence of two the
The absolute difference of one dirty stifled degree is greater than predetermined difference value；Whether there are the absolute differences of two the first dirty stifled degree to be greater than
In the case where predetermined difference value, determine that there are failure cameras in multiple cameras.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for judging whether averagely dirty stifled degree is greater than
Make a reservation for dirty stifled degree threshold value；In the case where averagely dirty stifled degree is greater than dirty stifled degree threshold value is made a reservation for, determining heat exchanger, there are dirty
It is stifled.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for that there are failure camera shootings in multiple cameras
In the case where head, according to the import and export pipeline temperature and environment temperature of heat exchanger, the second dirty stifled degree is determined；It is dirty stifled according to second
Degree determines that whether dirty heat exchanger is stifled.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for judging whether the second dirty stifled degree is greater than
Make a reservation for dirty stifled degree threshold value；In the case where the second dirty stifled degree is greater than dirty stifled degree threshold value is made a reservation for, determining heat exchanger, there are dirty
It is stifled.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be also used for that there are dirty plugging determining heat exchanger
In the case of, dirty stifled reminder message is sent to user.
In some embodiments of the present disclosure, the heat exchanger filth blockage detection device realizes such as any of the above-described reality for executing
Apply the operation of the dirty stifled detection method of heat exchanger described in example (such as Fig. 1-Fig. 4 any embodiment).
Based on disclosure heat exchanger filth blockage detection device provided by the above embodiment, a kind of air-conditioning of high reliability is provided
The dirty stifled analysis of heat exchanger and prompting scheme, preferentially using multi-cam (such as: dual camera) Lai Jinhang heat exchanger Image Acquisition,
And the image of multiple cameras is compared.If the matching degree of two images is lower than threshold value, a camera shooting has been judged
Head damage, to abandon judging heat exchanger scheme whether dirty plugging by image.At this moment air-conditioning system, which can use, passes through detection
The method of air-conditioning heat exchanger the import and export pipeline temperature and environment temperature judges heat exchanger scheme whether dirty plugging, and prompts user
Camera damage, is overhauled.Which kind of scheme no matter disclosure above-described embodiment use, dirty stifled when analyzing heat exchanger
When, remind user to carry out heat exchanger cleaning in time.
Disclosure above-described embodiment high reliablity, will not cause because of some component damage air-conditioning can not normal assay change
The hot dirty stifled situation of device and in time progress heat exchanger cleaning, multi-cam judge also to can increase the accurate of the dirty stifled judgement of heat exchanger simultaneously
Property.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used in such a way that the minority is subordinate to the majority,
Determine that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for by each first dirty stifled degree respectively with
Make a reservation for dirty stifled degree threshold value to be compared；Judge whether the first quantity is greater than the second quantity, wherein the first quantity is greater than predetermined
The dirty stifled degree quantity of the first of dirty stifled degree threshold value, the second quantity are no more than the first dirty stifled degree for making a reservation for dirty stifled degree threshold value
Quantity；In the case where the first quantity is greater than the second quantity, determining heat exchanger, there are dirty stifled；In the first quantity less than the second quantity
In the case where, determining heat exchanger, there is no dirty stifled；In the case where the first quantity is equal to the second quantity, to user send it is dirty it is stifled to
Determine reminder message.
In some embodiments of the present disclosure, the quantity of the camera is the odd number greater than 1.
Disclosure above-described embodiment acquires image data simultaneously by multiple cameras, using the scheme that the minority is subordinate to the majority
Come the reliability for guaranteeing the dirty stifled analysis of heat exchanger with cleaning in time.
Disclosure above-described embodiment will not cause because of some component damage air-conditioning can not normal assay heat exchanger it is dirty stifled
Situation and in time progress heat exchanger cleaning, multiple cameras judge the accuracy that also can increase the dirty stifled judgement of heat exchanger simultaneously.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for according to the multiple first dirty stifled degree judgements
It whether there is failure camera in multiple cameras.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for judging be in the multiple first dirty stifled degree
It is no that there are the absolute differences of two the first dirty stifled degree to be greater than predetermined difference value m；There are the differences of two the first dirty stifled degree
In the case that whether absolute value is greater than predetermined difference value, determine that there are failure cameras in multiple cameras.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used in multiple cameras that there are failures to take the photograph
In the case where as head, camera damage is sent to user and is reminded.
Disclosure above-described embodiment may also determine whether that there are camera damages, and user's camera is prompted to damage, and need
It is overhauled.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for the import and export pipeline temperature according to heat exchanger
Degree and environment temperature, determine the second dirty stifled degree；In such a way that the minority is subordinate to the majority, according to the second dirty stifled degree and multiple
One dirty stifled degree determines that whether dirty heat exchanger is stifled.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for the second dirty stifled degree and each first
Dirty stifled degree respectively with make a reservation for dirty stifled degree threshold value and be compared；Judge whether third quantity is greater than the 4th quantity, wherein third
Quantity is greater than the second dirty stifled degree quantity and the first dirty stifled degree quantity for making a reservation for dirty stifled degree threshold value, and the 4th quantity is little
In the second dirty stifled degree quantity and the first dirty stifled degree quantity that make a reservation for dirty stifled degree threshold value；It is greater than the 4th quantity in third quantity
In the case where, determining heat exchanger, there are dirty stifled；In the case where third quantity is less than four quantity, determining heat exchanger, there is no dirty
It is stifled；In the case where third quantity is equal to four quantity, reminder message undetermined is blocked up to user's transmission is dirty.
In some embodiments of the present disclosure, the quantity of the camera is the even number greater than 1.
Disclosure above-described embodiment is acquired image data by multiple cameras and simultaneously by detection air-conditioning heat exchanger
Whether the method comprehensive descision heat exchanger of the import and export pipeline temperature and environment temperature dirty stifled, using the scheme that the minority is subordinate to the majority come
The reliability for guaranteeing the dirty stifled analysis of heat exchanger and cleaning in time.
Disclosure above-described embodiment will not cause because of some component damage air-conditioning can not normal assay heat exchanger it is dirty stifled
Situation and in time progress heat exchanger cleaning, multiple cameras judge the accuracy that also can increase the dirty stifled judgement of heat exchanger simultaneously.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for according to the multiple first dirty stifled degree judgements
It whether there is failure camera in multiple cameras.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used for judging the second dirty stifled degree and multiple
It is greater than predetermined difference value m with the presence or absence of the absolute difference of two hot dirty stifled degree of device in one dirty stifled degree；There are two heat exchange
In the case that whether the absolute difference of the dirty stifled degree of device is greater than predetermined difference value, determine that there are failure camera shootings in multiple cameras
There are failures for head or temperature sensor.
In some embodiments of the present disclosure, dirty stifled determining module 52 can be used in multiple cameras that there are failures to take the photograph
In the case where as head, camera damage is sent to user and is reminded.
Disclosure above-described embodiment may also determine whether that there are cameras or temperature sensor to damage, and user is prompted to take the photograph
As head or temperature sensor damage, overhauled.
Fig. 6 is the schematic diagram of other embodiments of disclosure heat exchanger filth blockage detection device.As shown in fig. 6, the heat exchange
Device filth blockage detection device may include memory 61 and processor 62, in which:
Memory 61, for storing instruction.
Processor 62, for executing described instruction, so that described device execution realization such as above-mentioned any embodiment (such as scheme
1- Fig. 4 any embodiment) described in the dirty stifled detection method of heat exchanger operation.
Disclosure above-described embodiment will not cause because of some component damage air-conditioning can not normal assay heat exchanger it is dirty stifled
Situation and in time progress heat exchanger cleaning, multiple cameras judge the accuracy that also can increase the dirty stifled judgement of heat exchanger simultaneously.
Disclosure above-described embodiment may also determine whether that there are cameras or temperature sensor to damage, and user is prompted to take the photograph
As head or temperature sensor damage, overhauled.
Fig. 7 is the schematic diagram of the dirty stifled some embodiments of detection system of disclosure heat exchanger.As shown in fig. 7, the heat exchanger
Filth blockage detection device may include camera 71 and heat exchanger filth blockage detection device 72, in which:
Multiple cameras 71, for the image of heat collecting exchanger same position, and by the heat exchanger same position of acquisition
Image is sent to heat exchanger filth blockage detection device 72.
Heat exchanger filth blockage detection device 72, for the heat exchange as described in above-mentioned any embodiment (such as Fig. 5 or Fig. 6 embodiment)
Device filth blockage detection device.
In some embodiments of the present disclosure, as shown in fig. 7, the dirty stifled detection system of the heat exchanger can also include temperature
Sensor 73, in which:
Temperature sensor 73, for the import and export pipeline temperature and environment temperature of heat collecting exchanger, and by heat exchanger into
Export pipeline temperature and environment temperature are sent to heat exchanger filth blockage detection device 72.
Based on the dirty stifled detection system of disclosure heat exchanger provided by the above embodiment, high reliablity is detected, it will not be because of certain
A component damage causes air-conditioning the dirty stifled situation of normal assay heat exchanger and can not carry out in time heat exchanger cleaning, and multi-cam is same
When judgement also can increase the accuracy of the dirty stifled judgement of heat exchanger.
Disclosure above-described embodiment may also determine whether that there are cameras or temperature sensor to damage, and user is prompted to take the photograph
As head or temperature sensor damage, overhauled.
The dirty stifled precision of analysis of heat exchanger and reliability can be improved in disclosure above-described embodiment, changes to improve air-conditioning
The performance and reliability of hot device.
According to another aspect of the present disclosure, a kind of heat exchanger is provided, including such as above-mentioned any embodiment (such as Fig. 5 or Fig. 6
Embodiment) described in heat exchanger filth blockage detection device, and/or, including as described in above-mentioned any embodiment (such as Fig. 7 embodiment)
The dirty stifled detection system of heat exchanger.
In some embodiments of the present disclosure, the heat exchanger can be heat exchanger of air conditioner outdoor unit.
It is high based on disclosure Heat Exchanger Reliability provided by the above embodiment, sky will not be led to because of some component damage
Adjust can not the dirty stifled situation of normal assay heat exchanger and in time carry out heat exchanger cleaning, multi-cam simultaneously judge also can increase heat exchange
The accuracy of the dirty stifled judgement of device.
Disclosure above-described embodiment may also determine whether that there are cameras or temperature sensor to damage, and user is prompted to take the photograph
As head or temperature sensor damage, overhauled.
According to another aspect of the present disclosure, a kind of electrical equipment is provided, including the heat exchange as described in above-mentioned any embodiment
Device.
In some embodiments of the present disclosure, the electrical equipment can be air-conditioning.
Based on disclosure electrical equipment provided by the above embodiment, Heat Exchanger Reliability is high, will not be because of some first device
Part damage causes air-conditioning the dirty stifled situation of normal assay heat exchanger and can not carry out in time heat exchanger cleaning, and multi-cam judges simultaneously
Also it can increase the accuracy of the dirty stifled judgement of heat exchanger.
Disclosure above-described embodiment may also determine whether that there are cameras or temperature sensor to damage, and user is prompted to take the photograph
As head or temperature sensor damage, overhauled.
According to another aspect of the present disclosure, a kind of computer readable storage medium is provided, wherein described computer-readable to deposit
Storage media is stored with computer instruction, is realized when described instruction is executed by processor such as above-mentioned any embodiment (such as Fig. 1-Fig. 4
Any embodiment) described in the dirty stifled detection method of heat exchanger.
Based on disclosure computer readable storage medium provided by the above embodiment, will not be led because of some component damage
Cause air-conditioning can not the dirty stifled situation of normal assay heat exchanger and in time carry out heat exchanger cleaning, multi-cam simultaneously judge also can increase
The accuracy of the dirty stifled judgement of heat exchanger.
Disclosure above-described embodiment may also determine whether that there are cameras or temperature sensor to damage, and user is prompted to take the photograph
As head or temperature sensor damage, overhauled.
Heat exchanger filth blockage detection device described above can be implemented as executing function described herein
General processor, programmable logic controller (PLC) (PLC), digital signal processor (DSP), specific integrated circuit (ASIC), scene
Programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware group
Part or it is any appropriately combined.
So far, the disclosure is described in detail.In order to avoid covering the design of the disclosure, it is public that this field institute is not described
The some details known.Those skilled in the art as described above, completely it can be appreciated how implementing technology disclosed herein
Scheme.
Those of ordinary skill in the art will appreciate that realizing that all or part of the steps of above-described embodiment can pass through hardware
It completes, can also indicate that relevant hardware is completed by program, the program can store in a kind of computer-readable
In storage medium, storage medium mentioned above can be read-only memory, disk or CD etc..
The description of the disclosure is given for the purpose of illustration and description, and is not exhaustively or by the disclosure
It is limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.It selects and retouches
Embodiment is stated and be the principle and practical application in order to more preferably illustrate the disclosure, and those skilled in the art is enable to manage
The solution disclosure is to design various embodiments suitable for specific applications with various modifications.
Claims (21)
1. a kind of dirty stifled detection method of heat exchanger characterized by comprising
The image for obtaining the heat exchanger same position of multiple camera acquisitions obtains corresponding according to the image of each camera acquisition
The first dirty stifled degree；
Determine that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
2. the dirty stifled detection method of heat exchanger according to claim 1, which is characterized in that described according to the multiple first dirty stifled journeys
It spends and determines that whether dirty block up of heat exchanger includes:
Judged in multiple cameras according to the multiple first dirty stifled degree with the presence or absence of failure camera；
In the case where failure camera is not present in multiple cameras, average dirty stifled journey is determined according to the multiple first dirty stifled degree
Degree；
Determine that whether dirty heat exchanger is stifled according to averagely dirty stifled degree.
3. the dirty stifled detection method of heat exchanger according to claim 2, which is characterized in that
It is described to judge in multiple cameras with the presence or absence of failure camera to include: to judge multiple the according to the multiple first dirty stifled degree
It is greater than predetermined difference value with the presence or absence of the absolute difference of two the first dirty stifled degree in one dirty stifled degree；First dirty there are two
In the case that whether the absolute difference of stifled degree is greater than predetermined difference value, determine that there are failure cameras in multiple cameras；
And/or
The basis be averaged dirty stifled degree determine heat exchanger it is whether dirty it is stifled include: judge average dirty stifled degree whether be greater than make a reservation for it is dirty
Stifled degree threshold value；In the case where averagely dirty stifled degree is greater than dirty stifled degree threshold value is made a reservation for, determining heat exchanger, there are dirty stifled.
4. the dirty stifled detection method of heat exchanger according to claim 2, which is characterized in that described according to the multiple first dirty stifled journeys
It spends and determines that whether dirty heat exchanger is stifled further include:
In multiple cameras there are in the case where failure camera, according to the import and export pipeline temperature and environment temperature of heat exchanger,
Determine the second dirty stifled degree；
Determine that whether dirty heat exchanger is stifled according to the second dirty stifled degree.
5. the dirty stifled detection method of heat exchanger according to claim 4, which is characterized in that described true according to the second dirty stifled degree
Determining whether dirty block up of heat exchanger includes:
Judge whether the second dirty stifled degree is greater than and makes a reservation for dirty stifled degree threshold value；
In the case where the second dirty stifled degree is greater than dirty stifled degree threshold value is made a reservation for, determining heat exchanger, there are dirty stifled.
6. the dirty stifled detection method of heat exchanger according to claim 1, which is characterized in that described according to the multiple first dirty stifled journeys
It spends and determines that whether dirty block up of heat exchanger includes:
In such a way that the minority is subordinate to the majority, determine that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
7. the dirty stifled detection method of heat exchanger according to claim 6, which is characterized in that described to use what the minority is subordinate to the majority
Mode determines that whether dirty block up of heat exchanger includes: according to the multiple first dirty stifled degree
By each first dirty stifled degree respectively with make a reservation for dirty stifled degree threshold value and be compared；
Judge whether the first quantity is greater than the second quantity, wherein the first quantity is dirty greater than make a reservation for dirty stifled degree threshold value first
Stifled degree quantity, the second quantity are no more than the first dirty stifled degree quantity for making a reservation for dirty stifled degree threshold value；
In the case where the first quantity is greater than the second quantity, determining heat exchanger, there are dirty stifled.
8. the dirty stifled detection method of heat exchanger according to claim 1, which is characterized in that described according to the multiple first dirty stifled journeys
It spends and determines that whether dirty block up of heat exchanger includes:
According to the import and export pipeline temperature and environment temperature of heat exchanger, the second dirty stifled degree is determined；
In such a way that the minority is subordinate to the majority, determine whether heat exchanger is dirty according to the second dirty stifled degree and multiple first dirty stifled degree
It is stifled.
9. the dirty stifled detection method of heat exchanger according to claim 8, which is characterized in that described to use what the minority is subordinate to the majority
Mode determines that whether dirty block up of heat exchanger includes: according to the second dirty stifled degree and multiple first dirty stifled degree
By the second dirty stifled degree and each first dirty stifled degree respectively with make a reservation for dirty stifled degree threshold value and be compared；
Judge whether third quantity is greater than the 4th quantity, wherein third quantity is dirty greater than make a reservation for dirty stifled degree threshold value second
Stifled degree quantity and the first dirty stifled degree quantity, the 4th quantity are no more than the second dirty stifled degree number for making a reservation for dirty stifled degree threshold value
Amount and the first dirty stifled degree quantity；
In the case where third quantity is greater than four quantity, determining heat exchanger, there are dirty stifled.
10. the dirty stifled detection method of the heat exchanger according to claim 7 or 9, which is characterized in that
Third quantity less than the 4th quantity or the first quantity less than the second quantity in the case where, determine heat exchanger there is no dirty
It is stifled；
In the case where third quantity is equal to the 4th quantity or the first quantity and is equal to the second quantity, to user send it is dirty block up it is undetermined
Reminder message.
11. the dirty stifled detection method of the heat exchanger according to any one of claim 6-9, which is characterized in that further include:
Judged in multiple cameras according to the multiple first dirty stifled degree with the presence or absence of failure camera.
12. the dirty stifled detection method of the heat exchanger according to any one of claim 2-5, which is characterized in that further include:
There are in the case where failure camera in multiple cameras, camera damage is sent to user and is reminded.
13. the dirty stifled detection method of heat exchanger according to claim 1 to 9, which is characterized in that further include:
Heat exchanger is being determined there are in situation dirty plugging, is sending dirty stifled reminder message to user.
14. a kind of heat exchanger filth blockage detection device characterized by comprising
Dirty stifled degree determining module, the image of the heat exchanger same position for obtaining multiple camera acquisitions, takes the photograph according to each
The image acquired as head obtains corresponding first dirty stifled degree；
Dirty stifled determining module, for determining that whether dirty heat exchanger is stifled according to the multiple first dirty stifled degree.
15. heat exchanger filth blockage detection device according to claim 14, which is characterized in that the dirty stifled detection dress of heat exchanger
It sets for executing the operation realized such as the dirty stifled detection method of heat exchanger of any of claims 1-13.
16. a kind of heat exchanger filth blockage detection device characterized by comprising
Memory, for storing instruction；
Processor is realized so that described device executes as of any of claims 1-13 for executing described instruction
The operation of the dirty stifled detection method of heat exchanger.
17. a kind of dirty stifled detection system of heat exchanger characterized by comprising
Multiple cameras are sent out for the image of heat collecting exchanger same position, and by the image of the heat exchanger same position of acquisition
Give heat exchanger filth blockage detection device；
Heat exchanger filth blockage detection device, for the heat exchanger filth blockage detection device as described in any one of claim 14-16.
18. the dirty stifled detection system of heat exchanger according to claim 17, which is characterized in that further include:
Temperature sensor, for the import and export pipeline temperature and environment temperature of heat collecting exchanger, and by the inlet/outlet pipe of heat exchanger
Road temperature and environment temperature are sent to heat exchanger filth blockage detection device.
19. a kind of heat exchanger, which is characterized in that including the dirty stifled detection of the heat exchanger as described in any one of claim 14-16
Device, and/or, including the dirty stifled detection system of the heat exchanger as described in claim 17 or 18.
20. a kind of electrical equipment, which is characterized in that including heat exchanger as claimed in claim 19.
21. a kind of computer readable storage medium, which is characterized in that the computer-readable recording medium storage has computer to refer to
It enables, such as heat exchanger of any of claims 1-13 dirty stifled detection method is realized when described instruction is executed by processor.
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| CN201910593723.XA CN110307617B (en) | 2019-07-03 | 2019-07-03 | Heat exchanger, filth blockage detection method, device and system thereof, and electrical equipment |
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| CN111397085A (en) * | 2020-04-01 | 2020-07-10 | 宁波奥克斯电气股份有限公司 | Method and device for detecting dirty blockage of condenser, medium and air conditioner |
| CN114235451A (en) * | 2021-11-15 | 2022-03-25 | 青岛海尔空调电子有限公司 | Heat exchanger detection method, storage medium and electronic device |
| CN114877488A (en) * | 2022-05-23 | 2022-08-09 | 青岛海信日立空调***有限公司 | Air conditioning system and filth blockage determining method thereof |
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