CN110307617B - 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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- CN110307617B CN110307617B CN201910593723.XA CN201910593723A CN110307617B CN 110307617 B CN110307617 B CN 110307617B CN 201910593723 A CN201910593723 A CN 201910593723A CN 110307617 B CN110307617 B CN 110307617B
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- 238000001514 detection method Methods 0.000 title claims abstract description 92
- 238000000034 method Methods 0.000 claims abstract description 21
- 230000009278 visceral effect Effects 0.000 claims description 13
- 230000000903 blocking effect Effects 0.000 claims 2
- 238000004458 analytical method Methods 0.000 abstract description 27
- 206010066397 Visceral congestion Diseases 0.000 description 19
- 238000010586 diagram Methods 0.000 description 10
- 238000004378 air conditioning Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000010801 machine learning Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/38—Failure diagnosis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—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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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
The disclosure relates to the field of heat exchangers, in particular to a heat exchanger, a filth blockage detection method, a filth blockage detection device, a filth blockage detection system and electrical equipment.
Background
According to the related art, for the dirty and blocked condition of the heat exchanger of the air conditioner, one camera can be used for image acquisition to judge.
However, when an image collector on the air conditioner fails, the heat exchanger is dirty and blocked, and the heat exchange performance of the air conditioner is affected finally.
Disclosure of Invention
In view of at least one of the above technical problems, the present disclosure provides a heat exchanger, a filth blockage detection method, device and system for the heat exchanger, and electrical equipment, wherein a plurality of cameras are adopted to accurately judge the filth blockage condition of the heat exchanger, and even if one camera fails, the filth blockage analysis of the heat exchanger can be accurately performed.
According to one aspect of the present disclosure, there is provided a heat exchanger filth blockage detection method, including:
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.
In some embodiments of the present disclosure, the determining whether the heat exchanger is dirty or not according to the plurality of first degrees of dirty includes:
judging whether a fault camera exists in the plurality of cameras according to the first filth blockage degrees;
determining an average filth blockage degree according to the first filth blockage degrees under the condition that the plurality of cameras have no fault cameras;
and determining whether the heat exchanger is dirty or not according to the average dirty degree.
In some embodiments of the present disclosure, the determining whether a faulty camera exists in the plurality of cameras according to the first degrees of filth includes: judging whether the absolute value of the difference value of two first filth blockage degrees is larger than a preset difference value or not in the plurality of first filth blockage degrees; and determining that a fault camera exists in the plurality of cameras under the condition that whether the absolute value of the difference value of the two first filth blockage degrees is larger than a preset difference value.
In some embodiments of the present disclosure, the determining whether the heat exchanger is dirty or not according to the average degree of dirty includes: judging whether the average filth blockage degree is larger than a preset filth blockage degree threshold value or not; and determining that the heat exchanger is dirty and blocked under the condition that the average dirty and blocked degree is greater than a preset dirty and blocked degree threshold value.
In some embodiments of the present disclosure, the determining whether the heat exchanger is dirty or not according to the plurality of first degrees of dirty further comprises:
under the condition that the plurality of cameras have fault cameras, determining a second filth blockage degree according to the inlet and outlet pipeline temperature and the environment temperature of the heat exchanger;
and determining whether the heat exchanger is dirty or not according to the second dirty degree.
In some embodiments of the present disclosure, the determining whether the heat exchanger is dirty or not according to the second degree of dirty includes:
judging whether the second filth blockage degree is larger than a preset filth blockage degree threshold value or not;
and determining that the heat exchanger is dirty and blocked under the condition that the second dirty and blocked degree is greater than a preset dirty and blocked degree threshold value.
In some embodiments of the present disclosure, the determining whether the heat exchanger is dirty or not according to the plurality of first degrees of dirty includes:
and determining whether the heat exchanger is dirty or not according to the first dirty blockage degrees in a manner of few obeying to most.
In some embodiments of the disclosure, said determining whether the heat exchanger is dirty from the plurality of first degrees of dirty includes, in a minority majority compliant manner:
comparing each first filth blockage degree with a preset filth blockage degree threshold value respectively;
judging whether the first quantity is larger than a second quantity, wherein the first quantity is a first filthy blockage degree quantity larger than a preset filthy blockage degree threshold value, and the second quantity is a first filthy blockage degree quantity not larger than the preset filthy blockage degree threshold value;
and determining that the heat exchanger is dirty and blocked under the condition that the first number is larger than the second number.
In some embodiments of the present disclosure, the determining whether the heat exchanger is dirty or not according to the plurality of first degrees of dirty includes:
determining a second filth blockage degree according to the inlet and outlet pipeline temperature and the ambient temperature of the heat exchanger;
and determining whether the heat exchanger is dirty or not according to the second dirty degree and the plurality of first dirty degrees in a manner of being less obeyed to the majority.
In some embodiments of the disclosure, said determining whether the heat exchanger is dirty from the second degree of dirty and the plurality of first degrees of dirty, in a minority majority compliant manner, comprises:
comparing the second degree of visceral obstruction and each first degree of visceral obstruction with a predetermined degree threshold;
judging whether the third quantity is greater than a fourth quantity, wherein the third quantity is a second filthy blockage degree quantity and a first filthy blockage degree quantity which are greater than a preset filthy blockage degree threshold value, and the fourth quantity is a second filthy blockage degree quantity and a first filthy blockage degree quantity which are not greater than the preset filthy blockage degree threshold value;
and determining that dirty blockage exists in the heat exchanger under the condition that the third quantity is larger than the fourth quantity.
In some embodiments of the present disclosure, in the case where the third number is less than the fourth number, or the first number is less than the second number, it is determined that the heat exchanger is not dirty.
In some embodiments of the present disclosure, in a case that the third number is equal to the fourth number, or the first number is equal to the second number, a filth pending reminder message is sent to the user.
In some embodiments of the present disclosure, the method for detecting fouling of a heat exchanger further comprises:
and judging whether a fault camera exists in the plurality of cameras according to the first filth blockage degrees.
In some embodiments of the present disclosure, the method for detecting fouling of a heat exchanger further comprises:
and sending a camera damage prompt to a user under the condition that a fault camera exists in the plurality of cameras.
In some embodiments of the present disclosure, the method for detecting fouling of a heat exchanger further comprises:
and sending a filth blockage reminding message to a user under the condition that the heat exchanger is determined to be filth blocked.
According to another aspect of the present disclosure, there is provided a heat exchanger filth blockage detection apparatus, including:
the dirty blockage degree determining module is used for acquiring images of the same position of the heat exchanger acquired by the plurality of cameras and acquiring a corresponding first dirty blockage degree according to the image acquired by each camera;
and the dirty blockage determining module is used for determining whether the heat exchanger is dirty or not according to the first dirty blockage degrees.
In some embodiments of the present disclosure, the heat exchanger fouling detection apparatus is configured to perform operations for implementing the heat exchanger fouling detection method according to any of the embodiments.
According to another aspect of the present disclosure, there is provided a heat exchanger filth blockage detection apparatus, including:
a memory to store instructions;
a processor configured to execute the instructions to cause the apparatus to perform operations to implement the heat exchanger fouling detection method according to any of the above embodiments.
According to another aspect of the present disclosure, there is provided a heat exchanger filth blockage detection system, including:
the system comprises a heat exchanger filth blockage detection device, a plurality of cameras and a plurality of image acquisition devices, wherein the heat exchanger filth blockage detection device is used for acquiring images of the same position of the heat exchanger and sending the acquired images of the same position of the heat exchanger to the heat exchanger filth blockage detection device;
the heat exchanger filth blockage detection device is the heat exchanger filth blockage detection device according to any one of the embodiments.
In some embodiments of the present disclosure, the heat exchanger fouling detection system further comprises:
and the temperature sensor is used for acquiring the temperature of the inlet and outlet pipelines of the heat exchanger and the ambient temperature and sending the temperature of the inlet and outlet pipelines of the heat exchanger and the ambient temperature to the heat exchanger filth blockage detection device.
According to another aspect of the present disclosure, a heat exchanger is provided, which includes a heat exchanger fouling detection device according to any one of the above embodiments, and/or includes a heat exchanger fouling detection system according to any one of the above embodiments.
According to another aspect of the present disclosure, there is provided an electrical apparatus including a heat exchanger as described in any of the above embodiments.
According to another aspect of the present disclosure, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, which when executed by a processor, implement the heat exchanger fouling detection method according to any of the above embodiments.
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.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic diagram of some embodiments of a heat exchanger fouling detection method of the present disclosure.
Fig. 2 is a schematic diagram of a heat exchanger fouling detection method according to further embodiments of the present disclosure.
FIG. 3 is a schematic diagram of other embodiments of a heat exchanger fouling detection method of the present disclosure.
Fig. 4 is a schematic diagram of a heat exchanger fouling detection method according to further embodiments of the present disclosure.
Fig. 5 is a schematic view of some embodiments of a heat exchanger fouling detection apparatus of the present disclosure.
Fig. 6 is a schematic view of another embodiment of a heat exchanger fouling detection device according to the present disclosure.
Fig. 7 is a schematic diagram of some embodiments of a heat exchanger fouling detection system of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the embodiments of the present disclosure, and it is obvious that the described embodiments are only a part of the embodiments of the present disclosure, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the disclosure, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments disclosed herein without making any creative effort, shall fall within the protection scope of the present disclosure.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present disclosure unless specifically stated otherwise.
Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic diagram of some embodiments of a heat exchanger fouling detection method of the present disclosure. Preferably, this embodiment may be executed by the heat exchanger filth blockage detection device or the heat exchanger filth blockage detection system of the present disclosure. The method comprises the following steps:
and step 11, acquiring images of the same position of the heat exchanger, which are acquired by a plurality of cameras simultaneously, and acquiring a corresponding first filth blockage degree according to the image acquired by each camera.
In some embodiments of the present disclosure, the heat exchanger may be an outdoor unit heat exchanger.
In some embodiments of the present disclosure, a first degree of visceral obstruction may be obtained from an image captured by a camera.
In some embodiments of the present disclosure, in step 11, the step of obtaining a corresponding first degree of visceral congestion according to the image acquired by each camera may include: according to the image recognition and machine learning technology, machine learning algorithm modeling is carried out on image samples with different heat exchanger filth blockage degrees, then each collected image is analyzed, and the filth blockage degree can be calculated.
In some embodiments of the present disclosure, the number of cameras is at least two.
And 12, determining whether the heat exchanger is dirty or not according to the first dirty degrees.
In some embodiments of the present disclosure, step 12 may comprise:
and 121, judging whether a fault camera exists in the plurality of cameras according to the first filth blockage degrees.
In some embodiments of the present disclosure, step 121 comprises: judging whether the absolute value of the difference value of two first filth blockage degrees is larger than a preset difference value or not in the plurality of first filth blockage degrees; and determining that a fault camera exists in the plurality of cameras under the condition that whether the absolute value of the difference value of the two first filth blockage degrees is larger than a preset difference value.
And step 122, under the condition that the plurality of cameras have no fault cameras, determining an average filth blockage degree according to the plurality of first filth blockage degrees.
And step 123, determining whether the heat exchanger is dirty or not according to the average dirty degree.
In some embodiments of the present disclosure, step 123 comprises: judging whether the average filth blockage degree is larger than a preset filth blockage degree threshold value or not; and determining that the heat exchanger is dirty and blocked under the condition that the average dirty and blocked degree is greater than a preset dirty and blocked degree threshold value.
And step 124, determining a second filth blockage degree according to the inlet and outlet pipeline temperature and the environment temperature of the heat exchanger under the condition that the plurality of cameras have fault cameras.
In some embodiments of the present disclosure, in step 124, the step of determining the second degree of filth blockage according to the inlet and outlet pipe temperatures of the heat exchanger and the ambient temperature may include: experiments were performed in the laboratory to determine: calculating the heat exchange temperature of the heat exchanger under different filth blockage degrees of the heat exchanger; and establishing a model (fitting formula) of the heat exchange temperature difference and the filth blockage degree of the heat exchanger, wherein P is the filth blockage degree (second filth blockage degree) and dT is the heat exchange temperature difference, as shown in a formula (1).
P＝L(dT) (1)
And step 125, determining whether the heat exchanger is dirty or not according to the second dirty degree.
In some embodiments of the present disclosure, step 125 may comprise: judging whether the second filth blockage degree is larger than a preset filth blockage degree threshold value or not; and determining that the heat exchanger is dirty and blocked under the condition that the second dirty and blocked degree is greater than a preset dirty and blocked degree threshold value.
Based on the heat exchanger filth blockage detection method provided by the embodiment of the disclosure, the high-reliability air conditioner heat exchanger filth blockage analysis method is provided, and the heat exchanger image acquisition is preferentially carried out by adopting multiple cameras (for example, double cameras), and the images of the multiple cameras are compared. If the matching degree of the two images is lower than the threshold value, a camera is judged to be damaged, and therefore the scheme of judging whether the heat exchanger is dirty or not through the images is abandoned. At the moment, the air conditioning system adopts a scheme of judging whether the heat exchanger is dirty or not by detecting the temperature of the inlet and outlet pipelines of the heat exchanger of the air conditioner and the ambient temperature, and prompts a user that a camera is damaged and needs to be overhauled.
According to the embodiment of the disclosure, multiple cameras are adopted for simultaneous judgment, and even if one camera breaks down, the heat exchanger filth blockage analysis can be accurately carried out, so that the heat exchanger filth blockage analysis accuracy and reliability can be improved, and the performance and reliability of the air conditioner heat exchanger are improved.
Fig. 2 is a schematic diagram of a heat exchanger fouling detection method according to further embodiments of the present disclosure. Preferably, this embodiment can be executed by the heat exchanger filth blockage detection device or the heat exchanger filth blockage detection system of this disclosure, and the heat exchanger filth blockage detection system in this embodiment includes two cameras. The method comprises the following steps:
in step 200, a predetermined difference (i.e., a filth degree difference threshold) is preset as m, a predetermined filth degree threshold is preset as k, a consecutive number threshold is preset as n, and a consecutive number i is preset as 0.
In step 203, the first degree of visceral obstruction p1 and p2 are compared.
In step 204, the difference between the first filth degrees p1 and p2 is determined to be greater than the predetermined difference m. If | p1-p2| is not greater than the predetermined difference m, perform step 205; otherwise, if | p1-p2| is not greater than the predetermined difference m, step 208 is performed.
In some embodiments of the present disclosure, the predetermined difference m may be 10% or 20%.
In step 205, the number of times of disparity i is reset to 0, and the number of times of continuous determination i is made equal to 0.
In step 206, it is determined whether the calculated value of (p1+ p2)/2 is greater than a predetermined degree of visceral congestion threshold k. If the value of (p1+ p2)/2 is greater than the predetermined degree of visceral congestion threshold k, step 207 is executed.
In some embodiments of the present disclosure, the predetermined degree of visceral congestion threshold k may be 50%.
In step 208, the number of consecutive determinations i is increased by 1, and then step 209 is performed.
In step 209, it is determined whether the consecutive judgment number i is greater than a predetermined consecutive judgment threshold n. If the continuous judgment time i is greater than the preset continuous time threshold n, executing step 210; otherwise, if the continuous judgment time i is not greater than the predetermined continuous time threshold n, step 201 is executed, that is, two cameras simultaneously acquire images again at the same position of the heat exchanger.
In step 211, it is determined whether the second degree of visceral congestion p3 is greater than a predetermined degree of visceral congestion threshold k (e.g. 50%). If the second degree of visceral congestion p3 is greater than the predetermined degree of visceral congestion threshold k, step 212 is performed.
In other embodiments of the present disclosure, the step of reminding the user that the heat exchanger is dirty and blocked in step 207 and step 212 and the step of reminding the user that the camera is damaged in step 210 may be reminding in time by using devices and methods such as a mobile phone APP/short message and an intelligent bracelet.
In other embodiments of the present disclosure, the method for detecting fouling of a heat exchanger of the present disclosure may further include: when the air conditioner runs, acquiring a fault zone bit of a camera; if the camera fault flag bit is 0, executing step 203; otherwise, if the camera failure flag bit is 0, step 210 is executed.
The embodiment of the disclosure provides a high-reliability filth blockage analysis and reminding scheme for an air conditioner heat exchanger, and multiple cameras (for example, two cameras) are preferentially adopted for image acquisition of the heat exchanger, and images of the multiple cameras are compared. If the matching degree of the two images is lower than the threshold value, a camera is judged to be damaged, and therefore the scheme of judging whether the heat exchanger is dirty or not through the images is abandoned. At the moment, the air conditioning system adopts a scheme of judging whether the heat exchanger is dirty or not by detecting the temperature of the inlet and outlet pipelines of the heat exchanger of the air conditioner and the ambient temperature, and prompts a user that a camera is damaged and needs to be overhauled. No matter which scheme is adopted in the above embodiment of the disclosure, when the filth blockage of the heat exchanger is analyzed, a user is timely reminded of cleaning the heat exchanger.
The reliability of the above-mentioned embodiment of this disclosure is high, can not lead to the unable normal analysis heat exchanger of air conditioner to be dirty stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and many cameras judge simultaneously and also can increase the heat exchanger accuracy of dirty stifled judgement.
FIG. 3 is a schematic diagram of other embodiments of a heat exchanger fouling detection method of the present disclosure. Preferably, this embodiment may be executed by the heat exchanger filth blockage detection device or the heat exchanger filth blockage detection system of the present disclosure. The method may comprise steps 31-33, wherein:
and step 31, acquiring images of the same position of the heat exchanger, which are acquired by the plurality of cameras simultaneously, and acquiring a corresponding first filth blockage degree according to the image acquired by each camera.
And step 32, determining whether the heat exchanger is dirty or not according to the first dirty blockage degrees in a manner of few obedients and most obedients.
In some embodiments of the present disclosure, the number of cameras may be an odd number greater than 1.
In some embodiments of the present disclosure, step 32 may comprise:
in step 321, each first degree of visceral congestion is compared with a predetermined degree of visceral congestion threshold k.
Step 322, determine whether the first number is greater than a second number, wherein the first number is a first filth degree number greater than a predetermined filth degree threshold, and the second number is a first filth degree number not greater than the predetermined filth degree threshold.
And 323, determining that dirty blockage exists in the heat exchanger under the condition that the first quantity is larger than the second quantity.
And 324, determining that the heat exchanger is not dirty and blocked under the condition that the first number is smaller than the second number.
Step 325, sending a pending dirty block reminding message to the user when the first number is equal to the second number, so as to remind the user to further judge whether the heat exchanger is dirty or not.
And step 33, sending a filth blockage reminding message to the user under the condition that the heat exchanger is determined to have filth blockage.
In some embodiments of the present disclosure, as shown in fig. 3, the heat exchanger fouling detection method of the present disclosure may further include steps 34 to 35, where:
and step 34, judging whether a fault camera exists in the plurality of cameras according to the first filth blockage degrees.
In some embodiments of the present disclosure, step 34 may comprise: judging whether the absolute value of the difference value of two first filth blockage degrees in the plurality of first filth blockage degrees is larger than a preset difference value m; and determining that a fault camera exists in the plurality of cameras under the condition that whether the absolute value of the difference value of the two first filth blockage degrees is larger than a preset difference value.
And step 35, sending a camera damage prompt to the user under the condition that a fault camera exists in the plurality of cameras.
In some embodiments of the present disclosure, the number of cameras is 3. And respectively analyzing first filth degrees p1, p2 and p0 according to the cameras A, B and C, then judging that the heat exchanger and the filth are blocked if p1 is greater than k and p0 is greater than k, but p2 is less than or equal to k, and the camera B is damaged.
Further, a comparison is made as to whether the differences among p1, p2, and p0 are greater than a predetermined difference (e.g., 0.2) from each other to consider one of them as having a failure condition.
Examples are as follows:
in some embodiments of the present disclosure, k is 0.5, p1 is 0.6, p2 is 0.65, and p0 is 0.55, then the heat exchanger is determined to be dirty,
in other embodiments of the present disclosure, if k is 0.5, p1 is 0.6, p2 is 0.65, and p0 is 0.4, then dirty block is determined to be present in the heat exchanger; and judging that the camera C is damaged because the P2-P0 is more than 0.2.
The embodiment of the disclosure provides an air conditioner heat exchanger filth blockage analysis and reminding scheme based on image recognition, image data are collected by a plurality of cameras simultaneously, and the reliability of heat exchanger filth blockage analysis and timely cleaning is guaranteed by adopting a few schemes which obey majority.
The above-mentioned embodiment of this disclosure can not lead to the unable normal analysis heat exchanger of air conditioner to be dirty stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and a plurality of cameras judge simultaneously also can increase the heat exchanger accuracy of dirty stifled judgement.
The above-mentioned embodiment of this disclosure can also confirm whether there is the camera damage to the suggestion user camera is damaged, needs to overhaul.
According to the embodiment of the disclosure, the dirty blockage analysis accuracy and reliability of the heat exchanger can be improved, so that the performance and reliability of the air-conditioning heat exchanger are improved.
Fig. 4 is a schematic diagram of a heat exchanger fouling detection method according to further embodiments of the present disclosure. Preferably, this embodiment may be executed by the heat exchanger filth blockage detection device or the heat exchanger filth blockage detection system of the present disclosure. The method may comprise steps 41-44, wherein:
and step 41, acquiring images of the same position of the heat exchanger, which are acquired by the plurality of cameras simultaneously, and acquiring a corresponding first filth blockage degree according to the image acquired by each camera.
And 42, determining a second filth blockage degree according to the inlet and outlet pipeline temperature and the environment temperature of the heat exchanger.
And 43, determining whether the heat exchanger is dirty or not according to the second dirty blockage degree and the first dirty blockage degrees in a manner of few obedients to a plurality of subjects.
In some embodiments of the present disclosure, the number of cameras may be an even number greater than 1.
In some embodiments of the present disclosure, step 43 may comprise:
step 431, comparing the second degree of visceral obstruction and each first degree of visceral obstruction with a predetermined degree of visceral obstruction threshold k.
Step 432, judging whether the third quantity is larger than a fourth quantity, wherein the third quantity is a second filthy blockage degree quantity and a first filthy blockage degree quantity which are larger than a preset filthy blockage degree threshold value, and the fourth quantity is a second filthy blockage degree quantity and a first filthy blockage degree quantity which are not larger than the preset filthy blockage degree threshold value.
And 433, determining that dirty blockage exists in the heat exchanger under the condition that the third quantity is larger than the fourth quantity.
And 324, determining that the heat exchanger is not dirty and blocked under the condition that the third quantity is smaller than the fourth quantity.
Step 325, sending a pending dirty block reminding message to the user when the third number is equal to the fourth number, so as to remind the user to further judge whether the heat exchanger is dirty or not.
And step 44, sending a filth blockage reminding message to the user under the condition that the heat exchanger is determined to be filth blockage.
In some embodiments of the disclosure, a few schemes subject to majority are adopted for determination, for example, if the image of the camera a and the detection of the temperature sensor data both reflect that the heat exchanger is dirty and blocked (p1> k and p3> k), but the image of another camera B reflects that the heat exchanger is not dirty and blocked (p2 ≦ k), it is determined that the heat exchanger is dirty and blocked, and then the user is reminded that the camera B is damaged, and the heat exchanger is cleaned in time.
In some embodiments of the present disclosure, as shown in fig. 4, the method for detecting fouling of a heat exchanger of the present disclosure may further include steps 45 to 46, where:
and step 45, judging whether a fault camera or a fault temperature sensor exists in the plurality of cameras and the temperature sensors according to the second filth blockage degree and the plurality of first filth blockage degrees.
In some embodiments of the present disclosure, step 34 may comprise: judging whether the second filth blockage degree and the first filth blockage degrees have a difference value absolute value of two heat blockage degrees larger than a preset difference value m; and determining that a fault camera or a fault temperature sensor exists in the plurality of cameras and the temperature sensors under the condition that whether the absolute value of the difference value of the filth blockage degrees of the two heat exchangers is larger than a preset difference value.
And step 46, sending a warning message that the camera or the temperature sensor is damaged to the user when the fault camera or the fault temperature sensor exists in the plurality of cameras and the temperature sensors.
According to the embodiment of the disclosure, the image data is acquired by the plurality of cameras simultaneously, whether the heat exchanger is dirty or not is judged comprehensively by detecting the temperature of the inlet and outlet pipelines of the air-conditioning heat exchanger and the ambient temperature, and the reliability of dirty and blocked analysis and timely cleaning of the heat exchanger is ensured by adopting a few schemes which obey most conditions.
The above-mentioned embodiment of this disclosure can not lead to the unable normal analysis heat exchanger of air conditioner to be dirty stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and a plurality of cameras judge simultaneously also can increase the heat exchanger accuracy of dirty stifled judgement.
The above-mentioned embodiment of this disclosure can also confirm whether there is camera or temperature sensor to damage to suggestion user camera or temperature sensor need overhaul.
Fig. 5 is a schematic view of some embodiments of a heat exchanger fouling detection apparatus of the present disclosure. As shown in fig. 5, the heat exchanger filth detection apparatus may include a filth degree determination module 51 and a filth determination module 52, wherein:
and the filth blockage degree determining module 51 is configured to acquire images of the same position of the heat exchanger acquired by the multiple cameras, and acquire a corresponding first filth blockage degree according to the image acquired by each camera.
In some embodiments of the present disclosure, the heat exchanger may be an outdoor unit heat exchanger.
In some embodiments of the present disclosure, the filth degree determining module 51 may be configured to perform machine learning algorithm modeling on image samples of filth degrees of different heat exchangers according to image recognition and machine learning techniques, and then analyze the acquired images to calculate the filth degrees thereof.
In some embodiments of the present disclosure, the number of cameras is at least two.
And a dirty-blockage determining module 52, configured to determine whether the heat exchanger is dirty or not according to the first dirty-blockage degrees.
In some embodiments of the present disclosure, the filth blockage determining module 52 may be configured to determine whether a faulty camera exists in the plurality of cameras according to the first filth blockage degrees; determining an average filth blockage degree according to the first filth blockage degrees under the condition that the plurality of cameras have no fault cameras; and determining whether the heat exchanger is dirty or not according to the average dirty degree.
In some embodiments of the present disclosure, the filth blockage determining module 52, when determining whether a faulty camera exists in the multiple cameras according to the multiple first filth blockage degrees, may be configured to determine whether a difference absolute value between two first filth blockage degrees exists in the multiple first filth blockage degrees is greater than a predetermined difference; and determining that a fault camera exists in the plurality of cameras under the condition that whether the absolute value of the difference value of the two first filth blockage degrees is larger than a preset difference value.
In some embodiments of the present disclosure, the visceral congestion determination module 52 may be configured to determine whether the average degree of visceral congestion is greater than a predetermined degree of visceral congestion threshold; and determining that the heat exchanger is dirty and blocked under the condition that the average dirty and blocked degree is greater than a preset dirty and blocked degree threshold value.
In some embodiments of the present disclosure, the filth blockage determining module 52 may be configured to determine a second filth blockage degree according to the temperature of the inlet and outlet pipelines of the heat exchanger and the ambient temperature when the plurality of cameras have a faulty camera; and determining whether the heat exchanger is dirty or not according to the second dirty degree.
In some embodiments of the present disclosure, the visceral congestion determination module 52 may be configured to determine whether the second degree of visceral congestion is greater than a predetermined degree of visceral congestion threshold; and determining that the heat exchanger is dirty and blocked under the condition that the second dirty and blocked degree is greater than a preset dirty and blocked degree threshold value.
In some embodiments of the present disclosure, the filth determination module 52 may be further configured to send a filth reminder message to the user if it is determined that the heat exchanger is filth blocked.
In some embodiments of the present disclosure, the heat exchanger fouling detection apparatus is configured to perform operations for implementing the heat exchanger fouling detection method according to any of the embodiments described above (for example, any of fig. 1 to 4).
Based on the heat exchanger filth blockage detection device provided by the embodiment of the disclosure, a high-reliability air conditioner heat exchanger filth blockage analysis and reminding scheme is provided, wherein multiple cameras (for example, double cameras) are preferentially adopted for carrying out heat exchanger image acquisition, and images of the multiple cameras are compared. If the matching degree of the two images is lower than the threshold value, a camera is judged to be damaged, and therefore the scheme of judging whether the heat exchanger is dirty or not through the images is abandoned. At the moment, the air conditioning system adopts a scheme of judging whether the heat exchanger is dirty or not by detecting the temperature of the inlet and outlet pipelines of the heat exchanger of the air conditioner and the ambient temperature, and prompts a user that a camera is damaged and needs to be overhauled. No matter which scheme is adopted in the above embodiment of the disclosure, when the filth blockage of the heat exchanger is analyzed, a user is timely reminded of cleaning the heat exchanger.
The reliability of the above-mentioned embodiment of this disclosure is high, can not lead to the unable normal analysis heat exchanger of air conditioner to be dirty stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and many cameras judge simultaneously and also can increase the heat exchanger accuracy of dirty stifled judgement.
In some embodiments of the present disclosure, the dirty determination module 52 may be configured to determine whether the heat exchanger is dirty based on a plurality of first dirty levels in a minority-compliant manner.
In some embodiments of the present disclosure, the visceral congestion determining module 52 may be configured to compare each of the first degrees of visceral congestion with a predetermined degree of visceral congestion threshold; judging whether the first quantity is larger than a second quantity, wherein the first quantity is a first filthy blockage degree quantity larger than a preset filthy blockage degree threshold value, and the second quantity is a first filthy blockage degree quantity not larger than the preset filthy blockage degree threshold value; determining that dirty blockage exists in the heat exchanger under the condition that the first quantity is larger than the second quantity; determining that the heat exchanger is not dirty and blocked under the condition that the first quantity is smaller than the second quantity; and sending a pending dirty block reminding message to the user under the condition that the first number is equal to the second number.
In some embodiments of the present disclosure, the number of cameras is an odd number greater than 1.
According to the embodiment of the disclosure, the image data is acquired by the plurality of cameras simultaneously, and the reliability of dirty blockage analysis and timely cleaning of the heat exchanger is ensured by adopting a few schemes which obey most of the images.
The above-mentioned embodiment of this disclosure can not lead to the unable normal analysis heat exchanger of air conditioner to be dirty stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and a plurality of cameras judge simultaneously also can increase the heat exchanger accuracy of dirty stifled judgement.
In some embodiments of the present disclosure, the filth determination module 52 may be configured to determine whether a faulty camera exists in the plurality of cameras according to the first plurality of filth degrees.
In some embodiments of the present disclosure, the filth determination module 52 may be configured to determine whether there are two first filth degrees of the plurality of first filth degrees that have an absolute value of a difference greater than a predetermined difference m; and determining that a fault camera exists in the plurality of cameras under the condition that whether the absolute value of the difference value of the two first filth blockage degrees is larger than a preset difference value.
In some embodiments of the present disclosure, the dirty plug determination module 52 may be configured to send a camera damage alert to the user if there is a faulty camera among the plurality of cameras.
The above-mentioned embodiment of this disclosure can also confirm whether there is the camera damage to the suggestion user camera is damaged, needs to overhaul.
In some embodiments of the present disclosure, the filth blockage determination module 52 may be configured to determine a second filth blockage level according to the inlet and outlet pipeline temperatures of the heat exchanger and the ambient temperature; and determining whether the heat exchanger is dirty or not according to the second dirty degree and the plurality of first dirty degrees in a manner of being less obeyed to the majority.
In some embodiments of the present disclosure, the visceral obstruction determination module 52 may be configured to compare the second degree of visceral obstruction and each of the first degrees of visceral obstruction with a predetermined threshold degree of visceral obstruction, respectively; judging whether the third quantity is greater than a fourth quantity, wherein the third quantity is a second filthy blockage degree quantity and a first filthy blockage degree quantity which are greater than a preset filthy blockage degree threshold value, and the fourth quantity is a second filthy blockage degree quantity and a first filthy blockage degree quantity which are not greater than the preset filthy blockage degree threshold value; determining that dirty blockage exists in the heat exchanger under the condition that the third quantity is larger than the fourth quantity; determining that the heat exchanger is not dirty and blocked under the condition that the third quantity is smaller than the fourth quantity; and sending a pending dirty block reminding message to the user under the condition that the third number is equal to the fourth number.
In some embodiments of the present disclosure, the number of cameras is an even number greater than 1.
According to the embodiment of the disclosure, the image data is acquired by the plurality of cameras simultaneously, whether the heat exchanger is dirty or not is judged comprehensively by detecting the temperature of the inlet and outlet pipelines of the air-conditioning heat exchanger and the ambient temperature, and the reliability of dirty and blocked analysis and timely cleaning of the heat exchanger is ensured by adopting a few schemes which obey most conditions.
The above-mentioned embodiment of this disclosure can not lead to the unable normal analysis heat exchanger of air conditioner to be dirty stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and a plurality of cameras judge simultaneously also can increase the heat exchanger accuracy of dirty stifled judgement.
In some embodiments of the present disclosure, the filth determination module 52 may be configured to determine whether a faulty camera exists in the plurality of cameras according to the first plurality of filth degrees.
In some embodiments of the present disclosure, the filth blockage determining module 52 may be configured to determine whether a difference absolute value between two thermal blockage degrees exists in the second filth blockage degree and the plurality of first filth blockage degrees is greater than a predetermined difference m; and under the condition that whether the absolute value of the difference value of the filth blockage degrees of the two heat exchangers is larger than a preset difference value or not, determining that a fault camera exists in the plurality of cameras or the temperature sensor has a fault.
In some embodiments of the present disclosure, the dirty plug determination module 52 may be configured to send a camera damage alert to the user if there is a faulty camera among the plurality of cameras.
The above-mentioned embodiment of this disclosure can also confirm whether there is camera or temperature sensor to damage to suggestion user camera or temperature sensor need overhaul.
Fig. 6 is a schematic view of another embodiment of a heat exchanger fouling detection device according to the present disclosure. As shown in fig. 6, the heat exchanger fouling detection device may include a memory 61 and a processor 62, wherein:
a memory 61 for storing instructions.
A processor 62 configured to execute the instructions to cause the apparatus to perform operations for implementing the heat exchanger fouling detection method according to any of the embodiments described above (e.g., any of fig. 1-4).
The above-mentioned embodiment of this disclosure can not lead to the unable normal analysis heat exchanger of air conditioner to be dirty stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and a plurality of cameras judge simultaneously also can increase the heat exchanger accuracy of dirty stifled judgement.
The above-mentioned embodiment of this disclosure can also confirm whether there is camera or temperature sensor to damage to suggestion user camera or temperature sensor need overhaul.
Fig. 7 is a schematic diagram of some embodiments of a heat exchanger fouling detection system of the present disclosure. As shown in fig. 7, the heat exchanger filth detection device may include a camera 71 and a heat exchanger filth detection device 72, wherein:
and the cameras 71 are used for acquiring images of the same position of the heat exchanger and sending the acquired images of the same position of the heat exchanger to the heat exchanger filth blockage detection device 72.
The heat exchanger fouling detection device 72 is a heat exchanger fouling detection device as described in any of the above embodiments (e.g., the embodiment of fig. 5 or fig. 6).
In some embodiments of the present disclosure, as shown in fig. 7, the heat exchanger fouling detection system may further include a temperature sensor 73, wherein:
and the temperature sensor 73 is used for acquiring the temperature of the inlet and outlet pipelines of the heat exchanger and the ambient temperature, and sending the temperature of the inlet and outlet pipelines of the heat exchanger and the ambient temperature to the heat exchanger filth blockage detection device 72.
Based on the heat exchanger filth blocks up detecting system that this above embodiment of disclosure provided, it is high to detect the reliability, can not lead to the unable normal analysis heat exchanger filth stifled condition of air conditioner and in time carry out the heat exchanger washing because of certain components and parts damage, and many cameras judge simultaneously also can increase the heat exchanger filth and block up the accuracy of judging.
The above-mentioned embodiment of this disclosure can also confirm whether there is camera or temperature sensor to damage to suggestion user camera or temperature sensor need overhaul.
According to the embodiment of the disclosure, the dirty blockage analysis accuracy and reliability of the heat exchanger can be improved, so that the performance and reliability of the air-conditioning heat exchanger are improved.
According to another aspect of the present disclosure, a heat exchanger is provided, which includes a heat exchanger fouling detection apparatus as described in any one of the above embodiments (for example, fig. 5 or fig. 6 embodiments), and/or includes a heat exchanger fouling detection system as described in any one of the above embodiments (for example, fig. 7 embodiments).
In some embodiments of the present disclosure, the heat exchanger may be an air conditioner outdoor unit heat exchanger.
The heat exchanger that provides based on this openly above-mentioned embodiment is high in reliability, can not lead to the unable normal analysis heat exchanger of air conditioner to be dirty stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and many cameras judge simultaneously and also can increase the heat exchanger accuracy of dirty stifled judgement.
The above-mentioned embodiment of this disclosure can also confirm whether there is camera or temperature sensor to damage to suggestion user camera or temperature sensor need overhaul.
According to another aspect of the present disclosure, there is provided an electrical apparatus including a heat exchanger as described in any of the above embodiments.
In some embodiments of the present disclosure, the electrical device may be an air conditioner.
Based on this electric equipment that above-mentioned embodiment of this disclosure provided, its heat exchanger reliability is high, can not lead to the unable normal analysis heat exchanger of air conditioner to filthy stifled the condition and in time carry out the heat exchanger and wash because of certain components and parts damage, and many cameras judge simultaneously also can increase the heat exchanger accuracy of filthy stifled judgement.
The above-mentioned embodiment of this disclosure can also confirm whether there is camera or temperature sensor to damage to suggestion user camera or temperature sensor need overhaul.
According to another aspect of the present disclosure, a computer-readable storage medium is provided, wherein the computer-readable storage medium stores computer instructions, which when executed by a processor, implement the heat exchanger fouling detection method according to any of the embodiments described above (for example, any of the embodiments of fig. 1 to 4).
Based on the computer readable storage medium provided by the above embodiment of the present disclosure, the situation that the heat exchanger is dirty and blocked cannot be normally analyzed and the heat exchanger is cleaned in time due to the damage of a certain component, and the accuracy of heat exchanger dirty and block judgment can be increased by simultaneously judging multiple cameras.
The above-mentioned embodiment of this disclosure can also confirm whether there is camera or temperature sensor to damage to suggestion user camera or temperature sensor need overhaul.
The heat exchanger fouling detection apparatus described above may be implemented as a general purpose processor, a Programmable Logic Controller (PLC), a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), a Field Programmable Gate Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components, or any suitable combination thereof, for performing the functions described herein.
Thus far, the present disclosure has been described in detail. Some details that are well known in the art have not been described in order to avoid obscuring the concepts of the present disclosure. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware to implement the above embodiments, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk, an optical disk, or the like.
The description of the present disclosure has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the disclosure in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the disclosure and the practical application, and to enable others of ordinary skill in the art to understand the disclosure for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (20)
1. A heat exchanger filth blockage detection method is characterized by comprising 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;
determining whether the heat exchanger is dirty or not according to the first dirty degrees;
wherein the determining whether the heat exchanger is dirty or not according to the first plurality of dirty degrees comprises:
judging whether a fault camera exists in the plurality of cameras according to the first filth blockage degrees;
under the condition that the plurality of cameras have fault cameras, determining a second filth blockage degree according to the inlet and outlet pipeline temperature and the environment temperature of the heat exchanger;
and determining whether the heat exchanger is dirty or not according to the second dirty degree.
2. The method for detecting fouling of a heat exchanger according to claim 1, wherein said determining whether the heat exchanger is fouled according to the plurality of first fouling levels further comprises:
determining an average filth blockage degree according to the first filth blockage degrees under the condition that the plurality of cameras have no fault cameras;
and determining whether the heat exchanger is dirty or not according to the average dirty degree.
3. The heat exchanger fouling detection method according to claim 2,
the judging whether a fault camera exists in the plurality of cameras according to the first filth blockage degrees comprises the following steps: judging whether the absolute value of the difference value of two first filth blockage degrees is larger than a preset difference value or not in the plurality of first filth blockage degrees; determining that a fault camera exists in the plurality of cameras under the condition that whether the absolute value of the difference value of the two first filth blockage degrees is larger than a preset difference value or not;
and/or the presence of a gas in the gas,
the step of determining whether the heat exchanger is dirty or not according to the average dirty degree comprises the following steps: judging whether the average filth blockage degree is larger than a preset filth blockage degree threshold value or not; and determining that the heat exchanger is dirty and blocked under the condition that the average dirty and blocked degree is greater than a preset dirty and blocked degree threshold value.
4. The method for detecting heat exchanger fouling according to claim 1, wherein the determining whether the heat exchanger is fouled according to the second fouling degree comprises:
judging whether the second filth blockage degree is larger than a preset filth blockage degree threshold value or not;
and determining that the heat exchanger is dirty and blocked under the condition that the second dirty and blocked degree is greater than a preset dirty and blocked degree threshold value.
5. The method for detecting fouling of a heat exchanger according to claim 1, wherein said determining whether the heat exchanger is fouled according to the plurality of first fouling levels comprises:
and determining whether the heat exchanger is dirty or not according to the first dirty blockage degrees in a manner of few obeying to most.
6. The method for detecting heat exchanger fouling according to claim 5, wherein said determining whether the heat exchanger is fouled according to the plurality of first fouling degrees in a minority-compliant and majority-compliant manner comprises:
comparing each first filth blockage degree with a preset filth blockage degree threshold value respectively;
judging whether the first quantity is larger than a second quantity, wherein the first quantity is a first filthy blockage degree quantity larger than a preset filthy blockage degree threshold value, and the second quantity is a first filthy blockage degree quantity not larger than the preset filthy blockage degree threshold value;
and determining that the heat exchanger is dirty and blocked under the condition that the first number is larger than the second number.
7. The method for detecting fouling of a heat exchanger according to claim 1, wherein said determining whether the heat exchanger is fouled according to the plurality of first fouling levels comprises:
determining a second filth blockage degree according to the inlet and outlet pipeline temperature and the ambient temperature of the heat exchanger;
and determining whether the heat exchanger is dirty or not according to the second dirty degree and the plurality of first dirty degrees in a manner of being less obeyed to the majority.
8. The method of detecting fouling of a heat exchanger of claim 7, wherein said determining whether the heat exchanger is fouled based on the second degree of fouling and the plurality of first degrees of fouling in a minority-compliant, majority-compliant manner comprises:
comparing the second degree of visceral obstruction and each first degree of visceral obstruction with a predetermined degree threshold;
judging whether the third quantity is greater than a fourth quantity, wherein the third quantity is a second filthy blockage degree quantity and a first filthy blockage degree quantity which are greater than a preset filthy blockage degree threshold value, and the fourth quantity is a second filthy blockage degree quantity and a first filthy blockage degree quantity which are not greater than the preset filthy blockage degree threshold value;
and determining that dirty blockage exists in the heat exchanger under the condition that the third quantity is larger than the fourth quantity.
9. The heat exchanger fouling detection method according to claim 6 or 8,
determining that the heat exchanger is not dirty and blocked under the condition that the third quantity is smaller than the fourth quantity or the first quantity is smaller than the second quantity;
and sending a pending dirty blockage reminding message to the user under the condition that the third number is equal to the fourth number or the first number is equal to the second number.
10. The heat exchanger fouling detection method according to any one of claims 5 to 8, further comprising:
and judging whether a fault camera exists in the plurality of cameras according to the first filth blockage degrees.
11. The heat exchanger fouling detection method according to any one of claims 1 to 8, further comprising:
and sending a camera damage prompt to a user under the condition that a fault camera exists in the plurality of cameras.
12. The heat exchanger fouling detection method according to any one of claims 1 to 8, further comprising:
and sending a filth blockage reminding message to a user under the condition that the heat exchanger is determined to be filth blocked.
13. A heat exchanger filth blockage detection device is characterized by comprising:
the dirty blockage degree determining module is used for acquiring images of the same position of the heat exchanger acquired by the plurality of cameras and acquiring a corresponding first dirty blockage degree according to the image acquired by each camera;
the dirty blockage determining module is used for determining whether the heat exchanger is dirty blocked or not according to the first dirty blockage degrees;
the dirty blocking determining module is used for judging whether a fault camera exists in the plurality of cameras according to the first dirty blocking degrees; under the condition that the plurality of cameras have fault cameras, determining a second filth blockage degree according to the inlet and outlet pipeline temperature and the environment temperature of the heat exchanger; and determining whether the heat exchanger is dirty or not according to the second dirty degree.
14. Heat exchanger fouling detection device according to claim 13, characterized in that it is adapted to perform operations implementing a heat exchanger fouling detection method according to any of claims 1-12.
15. A heat exchanger filth blockage detection device is characterized by comprising:
a memory to store instructions;
a processor configured to execute the instructions to cause the apparatus to perform operations to implement the heat exchanger fouling detection method of any of claims 1-12.
16. A heat exchanger fouling detection system, comprising:
the system comprises a heat exchanger filth blockage detection device, a plurality of cameras and a plurality of image acquisition devices, wherein the heat exchanger filth blockage detection device is used for acquiring images of the same position of the heat exchanger and sending the acquired images of the same position of the heat exchanger to the heat exchanger filth blockage detection device;
a heat exchanger fouling detection apparatus, being a heat exchanger fouling detection apparatus as claimed in any one of claims 13-15.
17. The heat exchanger fouling detection system of claim 16, further comprising:
and the temperature sensor is used for acquiring the temperature of the inlet and outlet pipelines of the heat exchanger and the ambient temperature and sending the temperature of the inlet and outlet pipelines of the heat exchanger and the ambient temperature to the heat exchanger filth blockage detection device.
18. A heat exchanger, characterized in that it comprises a heat exchanger fouling detection device according to any of claims 13-15, and/or comprises a heat exchanger fouling detection system according to claim 16 or 17.
19. An electrical apparatus, characterized in that it comprises a heat exchanger according to claim 18.
20. A computer readable storage medium, characterized in that the computer readable storage medium stores computer instructions which, when executed by a processor, implement the heat exchanger fouling detection method according to any one of claims 1-12.
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| CN111397085B (en) * | 2020-04-01 | 2021-09-14 | 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 |
| CN114235451B (en) * | 2021-11-15 | 2023-09-26 | 青岛海尔空调电子有限公司 | Heat exchanger detection method, storage medium and electronic equipment |
| CN114877488A (en) * | 2022-05-23 | 2022-08-09 | 青岛海信日立空调系统有限公司 | Air conditioning system and filth blockage determining method thereof |
| CN116045446A (en) * | 2022-12-23 | 2023-05-02 | 珠海格力电器股份有限公司 | Self-cleaning control method and model training method and device for air conditioner outdoor unit |
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