CN112413816A - Air conditioner detection method and detection device and air conditioning equipment - Google Patents
Air conditioner detection method and detection device and air conditioning equipment Download PDFInfo
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- CN112413816A CN112413816A CN202011365045.0A CN202011365045A CN112413816A CN 112413816 A CN112413816 A CN 112413816A CN 202011365045 A CN202011365045 A CN 202011365045A CN 112413816 A CN112413816 A CN 112413816A
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- 238000001514 detection method Methods 0.000 title claims abstract description 79
- 238000004378 air conditioning Methods 0.000 title claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 65
- 239000000428 dust Substances 0.000 claims abstract description 47
- 238000004590 computer program Methods 0.000 claims description 7
- 238000005516 engineering process Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 13
- 238000009825 accumulation Methods 0.000 description 9
- 230000006870 function Effects 0.000 description 6
- 238000011897 real-time detection Methods 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 5
- 238000004364 calculation method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
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- 238000005070 sampling Methods 0.000 description 3
- 210000001835 viscera Anatomy 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- IUYHQGMDSZOPDZ-UHFFFAOYSA-N 2,3,4-trichlorobiphenyl Chemical compound ClC1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 IUYHQGMDSZOPDZ-UHFFFAOYSA-N 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
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- 239000000523 sample Substances 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
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/39—Monitoring filter performance
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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Abstract
The invention discloses a detection method and a detection device of an air conditioner and air conditioning equipment. The detection method comprises the following steps: controlling an infrared emission module to emit infrared light to a filter screen in the air conditioner; controlling an infrared receiving module to receive infrared light reflected by a filter screen, wherein the infrared light reflected by the filter screen has an infrared intensity difference with infrared light emitted by an infrared emitting module; determining filth blockage information of the filter screen based on the infrared intensity difference; and determining whether to send cleaning prompt information or not based on the filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object to clean the filter screen. The invention solves the technical problems that the normal use of the air conditioner is influenced because excessive dust is accumulated in the air conditioner because the filth blockage condition of the internal components of the air conditioner cannot be accurately detected in the related technology.
Description
Technical Field
The invention relates to the technical field of air conditioner internal detection, in particular to a detection method and a detection device for an air conditioner and air conditioning equipment.
Background
In the related art, with the general improvement of the living standard of people, air conditioners with various forms and complete functions enter various industries and ordinary families, and provide comfortable living environment for people. Current air conditioner is when using, can't realize the fault detection and the filth stifled detection of air conditioner internal component, because air conditioner's work demand, often adopt closed structure, the user is to the inside filter dust net of indoor set, the aviation baffle, the evaporimeter, pipe temperature sensor, whether parts such as electrical apparatus apron can't know trouble or the dust is more, especially filter dust net to air conditioner, if the additional dust is too much (filter screen accumulation dust to certain extent promptly), will influence the filter function of filter screen, unable timely clearance will lead to inside the dust constantly gets into the indoor set, influence the normal work of other subassemblies, influence the life of air conditioner, reduce the satisfaction of user when using the air conditioner.
In view of the above problems, no effective solution has been proposed.
Disclosure of Invention
The embodiment of the invention provides a detection method and a detection device for an air conditioner and air conditioning equipment, and aims to at least solve the technical problem that the normal use of the air conditioner is affected due to excessive dust accumulated in the air conditioner because the filth blockage condition of internal components of the air conditioner cannot be accurately detected in the related technology.
According to an aspect of an embodiment of the present invention, there is provided a detection method for an air conditioner, the air conditioner at least includes an infrared transmitting module and an infrared receiving module, the detection method includes: controlling the infrared emission module to emit infrared light to a filter screen in the air conditioner; controlling the infrared receiving module to receive the infrared light reflected by the filter screen, wherein the infrared light reflected by the filter screen has an infrared intensity difference with the infrared light emitted by the infrared emitting module; determining filth blockage information of the filter screen based on the infrared intensity difference; and determining whether to send cleaning prompt information or not based on the filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object to clean the filter screen.
Optionally, the filth information includes: the dust variation of the filter screen; based on the filth blockage information of the filter screen and the filth blockage degree of the fan, determining whether to send cleaning prompt information, comprising the following steps: calculating the starting time of the air conditioner; analyzing whether the dust variation of the filter screen is larger than a preset variation threshold value or not in the starting-up time; and if the dust variation of the filter screen is larger than a preset variation threshold value and the dirty and blocked degree of the fan meets the reminding condition, sending cleaning prompt information.
Optionally, after sending the cleaning prompt message, the detection method further includes: collecting filth blockage variation quantity of the filter screen in a first preset time period; and if the filth blockage variation is larger than a preset filth blockage threshold value, clearing the cleaning prompt information.
Optionally, after clearing the cleaning prompt message, the detection method further includes: adjusting the accumulated time of the ash layer to a preset value, wherein the accumulated time of the ash layer is determined based on the time difference of dirty and blocked information of the filter screen each time; re-collecting the infrared light reflected by the filter screen, and calculating the infrared intensity difference; and re-collecting the initial parameters of the fan of the air conditioner.
Optionally, before clearing the cleaning prompt message, the detection method further includes: if the cleaning prompt message is determined not to be sent and the filth blockage reducing amount of the filter screen is detected to be continuously increased in a second preset time period, determining that the filter screen is being cleaned; if the filter screen is determined to be cleaned, resetting the starting-up time length; and continuously collecting infrared light reflected by the filter screen and initial parameters of the fan.
Optionally, the detection method further includes: determining the pulse width modulation ratio of a fan of the air conditioner in the current state; calculating a modulation ratio difference value of the pulse width modulation ratio of the fan in the current state and the pulse width modulation ratio in the initial state; and when the modulation ratio difference is larger than a preset difference threshold value, determining whether to start the fan.
Optionally, the infrared transmitting module and the infrared receiving module are mounted on a PCB board of the display.
According to another aspect of the embodiments of the present invention, there is also provided a detection apparatus for an air conditioner, the air conditioner at least includes an infrared transmitting module and an infrared receiving module, the detection apparatus includes: the first control unit is used for controlling the infrared emission module to emit infrared light to a filter screen in the air conditioner; the second control unit is used for controlling the infrared receiving module to receive the infrared light reflected by the filter screen, wherein the infrared light reflected by the filter screen has an infrared intensity difference with the infrared light emitted by the infrared emitting module; the first determining unit is used for determining filth blockage information of the filter screen based on the infrared intensity difference; and the second determination unit is used for determining whether to send cleaning prompt information or not based on the filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object to clean the filter screen.
Optionally, the filth information includes: the dust variation of the filter screen; the second determination unit includes: the first calculation module is used for calculating the starting time of the air conditioner; the first analysis module is used for analyzing whether the dust variation of the filter screen is larger than a preset variation threshold value or not in the starting-up time; the first module of sending is used for the dust variation of filter screen is greater than the preset change threshold value, and sends and washs the prompt message when the dirty stifled degree of fan satisfies the warning condition.
Optionally, the detection device of the air conditioner further includes: the first acquisition unit is used for acquiring the filth blockage variation of the filter screen within a first preset time period after the cleaning prompt information is sent out; and the first cleaning unit is used for cleaning the cleaning prompt message when the filth blockage variation is larger than a preset filth blockage threshold value.
Optionally, the detection device of the air conditioner further includes: the first adjusting unit is used for adjusting the accumulated time of the ash layer to a preset value after the cleaning prompt message is cleared, wherein the accumulated time of the ash layer is determined based on the time difference of dirty and blocked information of the filter screen determined each time; the second acquisition unit is used for re-acquiring the infrared light reflected by the filter screen and calculating the infrared intensity difference; and the third acquisition unit is used for acquiring the initial parameters of the fan of the air conditioner again.
Optionally, the detection device of the air conditioner further includes: a third determining unit, configured to determine that the filter screen is being cleaned if it is determined that the cleaning prompt message has not been sent and a continuous increase in the amount of reduction of the filth blockage of the filter screen is detected within a second preset time period before the cleaning prompt message is cleared; the zero clearing unit is used for clearing the starting-up time length to zero and re-counting when the filter screen is determined to be cleaned; and the fourth acquisition unit is used for continuously acquiring the infrared light reflected by the filter screen and the initial parameters of the fan.
Optionally, the detection device of the air conditioner further includes: the fourth determining unit is used for determining the pulse width modulation ratio of the fan of the air conditioner in the current state; the second calculation module is used for calculating a modulation ratio difference value of the pulse width modulation ratio of the fan in the current state and the pulse width modulation ratio in the initial state; and the fifth determining unit is used for determining whether to start the fan or not when the modulation ratio difference is larger than a preset difference threshold.
Optionally, the infrared transmitting module and the infrared receiving module are mounted on a PCB board of the display.
According to another aspect of the embodiments of the present invention, there is also provided an air conditioning apparatus including: a filter screen; the infrared transmitting module and the infrared receiving module are arranged corresponding to the filter screen in a spaced mode and are installed on a preset display PCB; a processor configured to perform the detection method of the air conditioner of any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, where the computer-readable storage medium includes a stored computer program, and when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute any one of the above-mentioned detection methods for an air conditioner.
In the embodiment of the invention, when detecting filth blockage information in the air conditioner, the infrared transmitting module is controlled to send infrared light to the filter screen in the air conditioner, then the infrared receiving module is controlled to receive the infrared light reflected by the filter screen, wherein the infrared light reflected by the filter screen and the infrared light sent by the infrared transmitting module have infrared intensity difference, based on the infrared intensity difference, filth blockage information of the filter screen is determined, and based on the filth blockage information of the filter screen and the filth blockage degree of a fan, whether cleaning prompt information is sent or not is determined, wherein the cleaning prompt information is used for informing a target object to clean the filter screen. In this embodiment, can combine the stifled degree of fan viscera to realize reminding the user to wash the filter screen through the dirty stifled condition in infrared light real-time detection filter screen surface, let the filter screen of air conditioner keep clean state, improve the travelling comfort of air conditioner to solve the dirty stifled condition that can't accurately detect air conditioner internal component among the correlation technique, lead to the inside accumulation dust of air conditioner too much easily, influence the technical problem of the normal use of air conditioner.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:
fig. 1 is a flowchart illustrating an alternative air conditioner detection method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating dust detection of an alternative infrared assembly in an air conditioner, according to an embodiment of the present invention;
fig. 3 is a schematic view of an alternative air conditioner detection apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Embodiments of the present invention may be applied to various types of air conditioners, including but not limited to: wall-hanging type air conditioner, embedded type air conditioner, three-dimensional type air conditioner, new trend air conditioner etc.. The air conditioner is internally provided with: the device comprises a filter/filter screen, an infrared transmitting and receiving device (comprising a display PCB, and an infrared sensor/infrared transmitting end and an infrared receiving end which are arranged on the PCB), a temperature sensor, an air deflector and the like. After the air conditioner is powered on, the internal filth blockage condition of the air conditioner is detected in real time through the infrared detection assembly (such as an infrared sensor, an infrared transmitter and an infrared receiver), the filth blockage state of the filter screen is analyzed more accurately, and the function of reminding a user to clean the filter screen is realized through judging logic. People can also judge the dust accumulation rate obtained by the accumulation amount of the environmental dust in a time period by regularly checking the infrared feedback filth blockage value to judge the current environmental condition, so that a user can more visually know the state of the environmental dust living at present, the dust is further automatically cleaned in real time, and the comfort level of the environment is improved. The present invention will be described in detail with reference to examples.
Example one
In accordance with an embodiment of the present invention, there is provided an embodiment of a detection method for an air conditioner, it should be noted that the steps illustrated in the flowchart of the drawings may be executed in a computer system such as a set of computer executable instructions, and that although a logical order is illustrated in the flowchart, in some cases, the steps illustrated or described may be executed in an order different from that shown.
The embodiment of the invention provides a detection method of an air conditioner, wherein the air conditioner at least comprises an infrared transmitting module and an infrared receiving module, and optionally, the infrared transmitting module and the infrared receiving module are arranged on a PCB (printed circuit board) of a display. An infrared transmitting module and an infrared receiving module, and a controller (a PCB board containing a display) which can be arranged on the adapter box.
Fig. 1 is a flowchart of an alternative air conditioner detection method according to an embodiment of the present invention, as shown in fig. 1, the method includes the following steps:
step S102, controlling an infrared emission module to emit infrared light to a filter screen in the air conditioner;
step S104, controlling an infrared receiving module to receive infrared light reflected by a filter screen, wherein the infrared light reflected by the filter screen has an infrared intensity difference with infrared light emitted by an infrared emitting module;
step S106, determining filth blockage information of the filter screen based on the infrared intensity difference;
and S108, determining whether to send cleaning prompt information or not based on the filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object of cleaning the filter screen.
Through the steps, when dirty and blocked information in the air conditioner is detected, the infrared transmitting module is controlled to send infrared light to the filter screen in the air conditioner, the infrared receiving module is controlled to receive the infrared light reflected by the filter screen, infrared intensity difference exists between the infrared light reflected by the filter screen and the infrared light sent by the infrared transmitting module, dirty and blocked information of the filter screen is determined based on the infrared intensity difference, whether cleaning prompt information is sent or not is determined based on the dirty and blocked information of the filter screen and the dirty and blocked degree of a fan, and the cleaning prompt information is used for informing a target object to clean the filter screen. In this embodiment, can combine the stifled degree of fan viscera to realize reminding the user to wash the filter screen through the dirty stifled condition in infrared light real-time detection filter screen surface, let the filter screen of air conditioner keep clean state, improve the travelling comfort of air conditioner to solve the dirty stifled condition that can't accurately detect air conditioner internal component among the correlation technique, lead to the inside accumulation dust of air conditioner too much easily, influence the technical problem of the normal use of air conditioner.
The present invention will be described in detail with reference to the above steps.
Control air conditioner power-on work, open infrared detection subassembly infrared sensor real-time detection filter screen filth stifled information, wherein, infrared detection subassembly includes: an infrared transmitting module (for transmitting infrared light), and an infrared receiving module (for receiving the transmitted infrared light).
The infrared detection assembly and the filter screen can be arranged in parallel, and no barrier is arranged in the middle.
According to the infrared detection principle, infrared light emitted by a transmitting end of a controller on the adapter box is reflected by the filter screen, the intensity of the reflected infrared light received by a receiving end is converted and judged to give a judgment numerical value, and the dirty and blocked conditions of the filter screen are judged through the display numerical value. The infrared detection device is arranged on the panel body, and the filter screen is a relatively flat area.
And S102, controlling an infrared emission module to emit infrared light to a filter screen in the air conditioner.
The angle of the infrared emitted to the filter screen is set as alpha (the preferred angle is more than or equal to 80 and less than or equal to 100), and the distance between the filter screen and the infrared probe is d (the preferred distance is more than or equal to 50mm and less than or equal to 100 mm).
And step S104, controlling the infrared receiving module to receive the infrared light reflected by the filter screen, wherein the infrared light reflected by the filter screen has an infrared intensity difference with the infrared light emitted by the infrared emitting module.
Fig. 2 is a schematic diagram illustrating dust detection of an optional infrared component in an air conditioner according to an embodiment of the present invention, as shown in fig. 2, the air conditioner includes a display PCB 21, a filter screen 22, an infrared emitting end 2301, and an infrared receiving end 2302, and infrared light is emitted to the filter screen in the air conditioner through the infrared emitting end 2301 and reflected by the filter screen is received by the infrared receiving end 2302.
The infrared component can real-time detection infrared intensity is poor after the air conditioner is powered on to the dirty stifled value of analysis filter screen, and judge through control logic whether the filter screen needs to wash, whether scenes such as washing have been accomplished let the air conditioner keep clean more intelligently, and the air that blows off maintains fresh, improves the travelling comfort of life.
And S106, determining filth blockage information of the filter screen based on the infrared intensity difference.
Optionally, the filth blockage information includes: the dust variation of filter screen, the filter screen dust accumulation thickness, apron dust volume, dirty water humidity value etc..
And S108, determining whether to send cleaning prompt information or not based on the filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object of cleaning the filter screen.
The fan fouling degree is determined based on a ratio of a dust content on a surface of the fan to a fan dust threshold, and the fan fouling degree may include: a first level of fouling (low ratio, e.g., ratio of 30% or less, corresponding to a light dust content), a second level of fouling (increased ratio, e.g., ratio of 30% -70%, corresponding to a medium dust content), and a third level of fouling (corresponding to a medium dust content, e.g., ratio greater than 70%).
Based on the filth blockage information of the filter screen and the filth blockage degree of the fan, determining whether to send out cleaning prompt information, comprising the following steps: calculating the starting time of the air conditioner; analyzing whether the dust variation of the filter screen is larger than a preset variation threshold value or not within the starting time; and if the dust variation of the filter screen is larger than a preset variation threshold value and the dirty and blocked degree of the fan meets the reminding condition, sending cleaning prompt information.
Optionally, the detection method further includes: determining the pulse width modulation ratio of a fan of the air conditioner in the current state; calculating a modulation ratio difference value of the pulse width modulation ratio of the fan in the current state and the pulse width modulation ratio in the initial state; and when the modulation ratio difference is larger than a preset difference threshold, determining whether to start the fan.
For example, the blower entry condition is alerted: and comparing the difference value with the PWM sampling value of the initial fan, wherein the difference value is larger than a preset threshold value A.
An optional implementation manner is that infrared entry prompting conditions are set in the embodiment of the invention (A, B, C, D, E is a constant, A is more than or equal to 150 and less than or equal to 300, B is more than or equal to 500 and less than or equal to 1000, C is more than or equal to 150 and less than or equal to 250, D is more than or equal to 150 and less than or equal to 300, E is more than or equal to 200 and less than or equal to 400, and D: performing infrared detection for 3min to meet the condition that L is less than or equal to L initial detection-B or L is more than or equal to L initial detection + B;
the above-mentioned method for prompting the infrared entering condition needs to be performed when the temperature of the inner tube T of the indoor unit is greater than the first temperature threshold, for example, the temperature of the inner tube T of the indoor unit is set to be greater than or equal to 5 ℃.
For example, the infrared filth blockage detection process is set to enter the reminding and is divided into four stages in the embodiment of the invention:
1) the accumulated starting time T is less than or equal to Ch, and when the dust variation | Ln-Lo | is more than or equal to B and the condition of reminding filth blockage of the internal fan is met, the display box can be lightened for reminding; if | Ln-Lo | < B, when T ═ C, if | Ln-Lo | < D is satisfied, the accumulated time T is 0 (accumulated time is cleared and re-timed) (Ln indicates the amount of dust detected at the current time, Lo indicates the amount of accumulated dust before the initial timing point); otherwise, entering the next stage;
2) the accumulated starting time C is less than or equal to T and less than or equal to 3C, and when the dust variation | Ln-Lo | is more than or equal to B and the condition for reminding the filth blockage of the internal fan is met, the display box can be lightened for reminding; otherwise, entering the next stage;
3) when the accumulated starting time is more than 3C and less than or equal to 5C, and when the dust variation | Ln-Lo | is more than or equal to B or meets the internal fan filth blockage reminding condition, the display box can light up for reminding; otherwise, entering the next stage;
4) and the accumulated starting time is less than 5C and less than T, the display box can be lighted to directly remind the user to clean the filter screen.
Optionally, after sending the cleaning prompt message, the detection method further includes: collecting filth blockage variation quantity of the filter screen in a first preset time period; and if the filth blockage variation is larger than the preset filth blockage threshold, cleaning prompt information.
For example, the current value Lm of the infrared sampling within a first preset time period (for example, 1min) is compared in real time, and is compared with the sampling value Ln stored last time, if the filth blockage variation (| Lm-Ln |) of two consecutive times is greater than or equal to E, the user is considered to have unpicked and washed the filter screen, and the prompt is cleared.
Optionally, after cleaning prompt information is cleared, the cumulative time is cleared by 0, the infrared initial parameters are collected again, and the initial parameters of the fan need to be collected again.
The determination method for clearing the cleaning prompt information also needs to be performed when the temperature of the inner tube of the indoor unit T is greater than the first temperature threshold, for example, the temperature of the inner tube of the indoor unit T is set to be greater than or equal to 5 ℃.
Optionally, after clearing the cleaning prompt message, the detection method further includes: adjusting the accumulated time of the ash layer to a preset value, wherein the accumulated time of the ash layer is determined based on the time difference of dirty and blocked information of the filter screen each time; collecting the infrared light reflected by the filter screen again, and calculating the infrared intensity difference; and re-collecting the initial parameters of the fan of the air conditioner.
In this embodiment of the present invention, before clearing the cleaning prompt message, the detection method further includes: if the fact that cleaning prompt information is not sent is determined, and the fact that the filth blockage reducing amount of the filter screen is continuously increased in a second preset time period is detected, it is determined that the filter screen is being cleaned; if the filter screen is determined to be cleaned, resetting the starting-up time length; and continuously collecting infrared light reflected by the filter screen and initial parameters of the fan.
For example, when the accumulated boot time is greater than or equal to C and the reminding stage is not entered, and simultaneously: and when L initial detection-D is not less than L and not more than L initial detection + D (note that the judgment needs to be carried out at the temperature of more than or equal to 5 ℃ in the T inner tube) is continuously detected for 30s, the user is considered to be self-cleaned before the reminding of the indicator light, and only the starting time length is reset, and the infrared and fan initial parameters are not cleared.
Through above-mentioned embodiment, can utilize the infrared detection subassembly that sets up in the air conditioner to carry out infrared detection, adopt the infrared detection function, the stifled condition of filth of real-time detection filter screen and fan, the real-time stifled detection numerical value of filth of accurate assay play filter screen when judging that dust content is more, reminds the user to wash the function of timely filter screen. The user can also judge the dust accumulation rate obtained by the accumulation amount of the environmental dust in a time period by regularly checking the infrared feedback filth blockage value to judge the current environmental condition, and the user can determine whether the filter screen needs to be cleaned in advance through the infrared feedback filth blockage value, so that the living environment adjusted by the air conditioner is more comfortable, and the use satisfaction degree of the user on the air conditioner is improved.
Example two
The following detection device for an air conditioner is provided with a plurality of implementation units, and each unit corresponds to each implementation step of the first embodiment.
Fig. 3 is a schematic diagram of an alternative detection device for an air conditioner according to an embodiment of the present invention, the air conditioner at least includes an infrared transmitting module and an infrared receiving module, and as shown in fig. 3, the detection device includes: a first control unit 31, a second control unit 33, a first determination unit 35, a second determination unit 37, wherein,
the first control unit 31 is used for controlling the infrared emission module to emit infrared light to a filter screen in the air conditioner;
the second control unit 33 is configured to control the infrared receiving module to receive the infrared light reflected by the filter screen, where the infrared light reflected by the filter screen and the infrared light emitted by the infrared emitting module have an infrared intensity difference;
the first determining unit 35 is configured to determine filth blockage information of the filter screen based on the infrared intensity difference;
and a second determining unit 37, configured to determine whether to send cleaning prompt information based on the filth blockage information of the filter screen and the filth blockage degree of the fan, where the cleaning prompt information is used to notify the target object to clean the filter screen.
The detection device of the air conditioner can control the infrared emitting module to emit infrared light to the filter screen in the air conditioner through the first control unit 31 when detecting the filth blockage information in the air conditioner, and then control the infrared receiving module to receive the infrared light reflected by the filter screen through the second control unit 33, wherein the infrared light reflected by the filter screen and the infrared light emitted by the infrared emitting module have infrared intensity difference, the filth blockage information of the filter screen is determined based on the infrared intensity difference through the first determining unit 35, and whether to emit cleaning prompt information is determined based on the filth blockage information of the filter screen and the filth blockage degree of the fan through the second determining unit 37, wherein the cleaning prompt information is used for informing a target object to clean the filter screen. In this embodiment, can combine the stifled degree of fan viscera to realize reminding the user to wash the filter screen through the dirty stifled condition in infrared light real-time detection filter screen surface, let the filter screen of air conditioner keep clean state, improve the travelling comfort of air conditioner to solve the dirty stifled condition that can't accurately detect air conditioner internal component among the correlation technique, lead to the inside accumulation dust of air conditioner too much easily, influence the technical problem of the normal use of air conditioner.
Optionally, the filth blockage information includes: the dust variation of the filter screen; the second determination unit includes: the first calculation module is used for calculating the starting time of the air conditioner; the first analysis module is used for analyzing whether the dust variation of the filter screen is larger than a preset variation threshold value within the starting-up time; the first module of sending for when the dust variation of filter screen is greater than preset change threshold, and the dirty stifled degree of fan satisfies the warning condition, send and wash prompt message.
Another optional, the detection device of the air conditioner further includes: the first acquisition unit is used for acquiring the filth blockage variation of the filter screen within a first preset time period after the cleaning prompt information is sent out; and the first cleaning unit is used for cleaning the cleaning prompt information when the filth blockage variation is larger than a preset filth blockage threshold value.
In an embodiment of the present invention, the detection apparatus of an air conditioner further includes: the first adjusting unit is used for adjusting the accumulated time of the ash layer to a preset value after cleaning prompt information is cleared, wherein the accumulated time of the ash layer is determined based on the time difference of dirty and blocked information of the filter screen determined each time; the second acquisition unit is used for re-acquiring the infrared light reflected by the filter screen and calculating the infrared intensity difference; and the third acquisition unit is used for acquiring the initial parameters of the fan of the air conditioner again.
Optionally, the detection device of the air conditioner further includes: the third determining unit is used for determining that the filter screen is being cleaned if the cleaning prompt message is determined not to be sent and the filth blockage reducing amount of the filter screen is detected to be continuously increased in a second preset time period before the cleaning prompt message is cleared; the zero clearing unit is used for clearing the starting-up time length to zero and re-counting when the filter screen is determined to be cleaned; and the fourth acquisition unit is used for continuously acquiring the infrared light reflected by the filter screen and the initial parameters of the fan.
Optionally, the detection device of the air conditioner further includes: the fourth determining unit is used for determining the pulse width modulation ratio of the fan of the air conditioner in the current state; the second calculation module is used for calculating a modulation ratio difference value of the pulse width modulation ratio of the fan in the current state and the pulse width modulation ratio in the initial state; and the fifth determining unit is used for determining whether to start the fan or not when the modulation ratio difference is greater than the preset difference threshold.
Optionally, the infrared transmitting module and the infrared receiving module are mounted on a PCB of the display.
The detection device of the air conditioner may further include a processor and a memory, wherein the first control unit 31, the second control unit 33, the first determination unit 35, the second determination unit 37, and the like are stored in the memory as program units, and the processor executes the program units stored in the memory to realize corresponding functions.
The processor comprises a kernel, and the kernel calls a corresponding program unit from the memory. The kernel can be set to be one or more, and whether cleaning prompt information is sent or not is determined by adjusting kernel parameters based on filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object to clean the filter screen.
The memory may include volatile memory in a computer readable medium, Random Access Memory (RAM) and/or nonvolatile memory such as Read Only Memory (ROM) or flash memory (flash RAM), and the memory includes at least one memory chip.
According to another aspect of the embodiments of the present invention, there is also provided an air conditioning apparatus including: a filter screen; the infrared transmitting module and the infrared receiving module are arranged corresponding to the filter screen in a spaced mode and are installed on a preset display PCB; a processor configured to perform the detection method of the air conditioner of any one of the above.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium including a stored computer program, wherein when the computer program runs, the apparatus where the computer-readable storage medium is located is controlled to execute any one of the above-mentioned air conditioner detection methods.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: controlling an infrared emission module to emit infrared light to a filter screen in the air conditioner; controlling an infrared receiving module to receive infrared light reflected by a filter screen, wherein the infrared light reflected by the filter screen has an infrared intensity difference with infrared light emitted by an infrared emitting module; determining filth blockage information of the filter screen based on the infrared intensity difference; and determining whether to send cleaning prompt information or not based on the filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object to clean the filter screen.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. A detection method for an air conditioner is characterized in that the air conditioner at least comprises an infrared transmitting module and an infrared receiving module, and the detection method comprises the following steps:
controlling the infrared emission module to emit infrared light to a filter screen in the air conditioner;
controlling the infrared receiving module to receive the infrared light reflected by the filter screen, wherein the infrared light reflected by the filter screen has an infrared intensity difference with the infrared light emitted by the infrared emitting module;
determining filth blockage information of the filter screen based on the infrared intensity difference;
and determining whether to send cleaning prompt information or not based on the filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object to clean the filter screen.
2. The detection method according to claim 1, wherein the filth information comprises: the dust variation of the filter screen; based on the filth blockage information of the filter screen and the filth blockage degree of the fan, determining whether to send cleaning prompt information, comprising the following steps:
calculating the starting time of the air conditioner;
analyzing whether the dust variation of the filter screen is larger than a preset variation threshold value or not in the starting-up time;
and if the dust variation of the filter screen is larger than a preset variation threshold value and the dirty and blocked degree of the fan meets the reminding condition, sending cleaning prompt information.
3. The detection method according to claim 2, wherein after issuing the cleaning prompt message, the detection method further comprises:
collecting filth blockage variation quantity of the filter screen in a first preset time period;
and if the filth blockage variation is larger than a preset filth blockage threshold value, clearing the cleaning prompt information.
4. The detection method according to claim 3, wherein after clearing the cleaning prompt message, the detection method further comprises:
adjusting the accumulated time of the ash layer to a preset value, wherein the accumulated time of the ash layer is determined based on the time difference of dirty and blocked information of the filter screen each time;
re-collecting the infrared light reflected by the filter screen, and calculating the infrared intensity difference;
and re-collecting the initial parameters of the fan of the air conditioner.
5. The detection method according to claim 3, wherein before clearing the cleaning prompt message, the detection method further comprises:
if the cleaning prompt message is determined not to be sent and the filth blockage reducing amount of the filter screen is detected to be continuously increased in a second preset time period, determining that the filter screen is being cleaned;
if the filter screen is determined to be cleaned, resetting the starting-up time length;
and continuously collecting infrared light reflected by the filter screen and initial parameters of the fan.
6. The detection method according to claim 1, further comprising:
determining the pulse width modulation ratio of a fan of the air conditioner in the current state;
calculating a modulation ratio difference value of the pulse width modulation ratio of the fan in the current state and the pulse width modulation ratio in the initial state;
and when the modulation ratio difference is larger than a preset difference threshold value, determining whether to start the fan.
7. The detection method according to claim 1, wherein the infrared emission module and the infrared reception module are mounted on a PCB board of a display.
8. The utility model provides a detection device of air conditioner which characterized in that, include infrared emission module and infrared receiving module in the air conditioner at least, detection device includes:
the first control unit is used for controlling the infrared emission module to emit infrared light to a filter screen in the air conditioner;
the second control unit is used for controlling the infrared receiving module to receive the infrared light reflected by the filter screen, wherein the infrared light reflected by the filter screen has an infrared intensity difference with the infrared light emitted by the infrared emitting module;
the first determining unit is used for determining filth blockage information of the filter screen based on the infrared intensity difference;
and the second determination unit is used for determining whether to send cleaning prompt information or not based on the filth blockage information of the filter screen and the filth blockage degree of the fan, wherein the cleaning prompt information is used for informing a target object to clean the filter screen.
9. An air conditioning apparatus, characterized by comprising:
a filter screen;
the infrared transmitting module and the infrared receiving module are arranged corresponding to the filter screen in a spaced mode and are installed on a preset display PCB;
a processor configured to perform the detection method of the air conditioner of any one of claims 1 to 7.
10. A computer-readable storage medium, comprising a stored computer program, wherein when the computer program runs, the computer-readable storage medium controls an apparatus to execute the air conditioner detection method according to any one of claims 1 to 7.
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