CN112146243A - Air conditioner control method and air conditioner - Google Patents
Air conditioner control method and air conditioner Download PDFInfo
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- CN112146243A CN112146243A CN201910569129.7A CN201910569129A CN112146243A CN 112146243 A CN112146243 A CN 112146243A CN 201910569129 A CN201910569129 A CN 201910569129A CN 112146243 A CN112146243 A CN 112146243A
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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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- 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
- F24F11/523—Indication arrangements, e.g. displays for displaying temperature data
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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
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
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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
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
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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
- F24F11/65—Electronic processing for selecting an operating mode
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Abstract
The invention discloses an air conditioner control method which is characterized by comprising the following steps: receiving sampling data of the detection module to obtain the surface dust deposition state of the indoor heat exchanger; and when the dust deposition state on the surface of the indoor heat exchanger exceeds a preset critical state, controlling to start the self-cleaning function. An air conditioner is also disclosed. The air conditioner control method disclosed by the invention judges the starting condition of the self-cleaning function according to the dust accumulation state on the surface of the indoor heat exchanger, but not according to the accumulated running time, and fully considers the influence of the change of indoor and outdoor environment dust sources on the accumulated dust accumulation amount. The starting control of self-cleaning is more accurate.
Description
Technical Field
The invention belongs to the technical field of air conditioning, and particularly relates to an air conditioner control method and an air conditioner adopting the control method.
Background
After the air conditioner is placed or used for a long time, a large amount of dust and dirt exists in the air conditioner. The dust and dirt are attached to a heat exchanger of the indoor unit, so that on one hand, the heat exchange performance of the heat exchanger is reduced, and the performance of the air conditioner is reduced; on the other hand, the dust and dirt are easy to grow bacteria and form mildew stains. These bacteria and mold can cause odor in the air conditioner, which may affect the health of the air conditioner user if not cleaned in time.
To solve this problem, many self-cleaning control methods are provided in the prior art, such as the technical solution disclosed in the chinese patent application (publication No. CN 105783199A): an intelligent self-cleaning method for an air conditioner comprises the following steps: judging whether the air conditioner meets a starting condition for executing self-cleaning; if the self-cleaning treatment function is met, the air conditioner starts the self-cleaning treatment function to perform the self-cleaning treatment of the heat exchanger. Wherein, the starting conditions for executing the self-cleaning treatment are as follows: meanwhile, the conditions of people in the room, the condition that the accumulated running time of the air conditioner is greater than a set accumulated running time threshold value, the condition that the indoor environment temperature is greater than the set environment temperature, the condition that the indoor environment humidity is greater than the set environment humidity and the condition that the air conditioner is in a shutdown state are met; or simultaneously meeting the conditions that no person exists in the room in the set duration, the accumulated running time of the air conditioner is greater than the set accumulated running time threshold value and the air conditioner is in the off state. The control method gives consideration to both the air conditioning effect and the self-cleaning effect.
In the above method, the degree of dust accumulation of the air conditioner is judged only by one parameter of the accumulated operation time. In fact, pollutants in the air include dust, smoke, smog, various gases and microorganisms, and it is difficult to accurately judge the degree of accumulation of pollutants only by accumulating the operation time. Especially, dust with small particle size is difficult to remove after accumulation, and if the judgment of the accumulation degree of pollutants by the air conditioner is not accurate, the use effect of the self-cleaning function is seriously influenced.
Disclosure of Invention
The invention provides an air conditioner control method aiming at the problems that in the prior art, the accumulated dust degree of an air conditioner is judged only through accumulated running time, so that the judgment is inaccurate, the self-cleaning function cannot be started in time, and the use effect of the self-cleaning function is reduced.
The air conditioner control method comprises the following steps:
receiving sampling data of the detection module to obtain the surface dust deposition state of the indoor heat exchanger;
and when the dust deposition state on the surface of the indoor heat exchanger exceeds a preset critical state, controlling to start the self-cleaning function.
The air conditioner adopts an air conditioner control method, and the air conditioner control method comprises the following steps:
receiving sampling data of the detection module to obtain the surface dust deposition state of the indoor heat exchanger;
and when the dust deposition state on the surface of the indoor heat exchanger exceeds a preset critical state, controlling to start the self-cleaning function.
Compared with the prior art, the invention has the advantages and positive effects that: the air conditioner control method judges the starting condition of the self-cleaning function according to the dust accumulation state on the surface of the indoor heat exchanger, but not judges the starting condition of the self-cleaning function according to the accumulated running time, and fully considers the influence of the change of indoor and outdoor environment dust sources on the accumulated dust accumulation amount. The starting control of self-cleaning is more accurate.
Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when taken in conjunction with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a flow chart illustrating a first embodiment of a method for controlling an air conditioner according to the present invention;
FIG. 2 is a flowchart of a second embodiment of the disclosed air conditioner control method;
FIG. 3 is a flow chart of determining the dust deposition state on the surface of the indoor heat exchanger;
FIG. 4 is a flowchart of a third embodiment of a method for controlling an air conditioner according to the present disclosure;
fig. 5 is a flowchart illustrating a fourth embodiment of a control method of an air conditioner according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings and examples.
The terms "first," "second," "third," and the like in the description and in the claims, and in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference throughout this specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. One skilled in the art will appreciate that the embodiments described herein can be combined with other embodiments.
In the invention, the self-cleaning function of the air conditioner refers to that liquid water formed by condensing the heat exchanger in the air conditioner under different working states is utilized to clean the surface of the heat exchanger. If the air conditioner is set to operate in a heating mode, starting a self-cleaning function, namely controlling the air conditioner to operate in a cooling mode for a short time, and cleaning the surface of the indoor heat exchanger by condensing liquid water; if the air conditioner is set to operate in a cooling mode (including a dehumidification mode), the self-cleaning function is started, namely the air conditioner is maintained to operate according to the current mode, and liquid water formed by condensation is used for cleaning the surface of the indoor heat exchanger.
As shown in fig. 1, the air conditioner control method disclosed in the present embodiment includes the steps of:
and when the surface dust deposition state of the indoor heat exchanger exceeds a preset critical state, controlling to start the self-cleaning function.
Specifically, the sources of contaminants on the surfaces of indoor heat exchangers are largely classified into dust sources for outdoor environments and dust sources for indoor environments. The dust source of the outdoor environment, i.e., the atmospheric dust, is a pollutant that permeates into the air-conditioning case with the air as the air conditioner is used and operated, and includes natural dust in the air and artificial dust generated by activities. Because the concentration of natural dust and the concentration of artificial dust contained in air in various places are different, the concentration difference of outdoor environment dust sources is very large, even if the air conditioner is used in the same place for a long time, the fluctuation range is greatly larger than the parameters of temperature, humidity and the like along with the time difference. Also included in outdoor environmental dust sources are microbial particles, which are invisible and typically adhere to dust particles. Another major source of indoor heat exchanger surface contaminants for air conditioners is the dust source of the indoor environment, including people and building surfaces, dust generated by the operation of indoor equipment. Therefore, it is difficult to accurately judge the surface state of the indoor heat exchanger simply by accumulating the operation time. Compared with the prior art, the method is completely different from the prior art, namely, the accumulated dust amount of the outdoor environment dust source and the indoor environment dust source on the surface of the heat exchanger is accurately judged as much as possible, the starting and stopping of the self-cleaning function are further optimized, and the using effect of the self-cleaning function is improved.
The dust accumulation state of the outdoor environment dust source and the indoor environment dust source on the surface of the indoor heat exchanger is detected. In this embodiment, at least one detection module is provided on the air conditioner. The detection module is preferably arranged on the air inlet side of the indoor heat exchanger of the air conditioner. By monitoring the change of the dust deposition amount at the position, the dust deposition state on the surface of the indoor heat exchanger can be obtained. In one case, the detection module may be a pressure sensor; such as a capacitive pressure sensor. The capacitive pressure sensor is arranged on the surface of the indoor heat exchanger, such as the side close to the air inlet. Under an ideal cleaning state, the detection pressure of the detection module is small because no dust is accumulated; as air conditioning equipment is used, the amount of dust accumulates. The weight of accumulated dust enables a metal film in the capacitance type pressure sensor to sense pressure and deform, so that capacitance formed between the two electrodes changes, a received pressure detection value also changes, and the surface dust accumulation state of the indoor heat exchanger is obtained.
In order to increase the data processing speed of the air conditioner controller, it is preferable to establish a one-to-one correspondence relationship between the pressure detection value and the state of dust deposition on the surface of the indoor heat exchanger. When the pressure detection value meets the set condition, the corresponding data of the dust deposition state on the surface of the indoor heat exchanger can be directly called. In particular, a simulated experimental environment can be created in which artificial dust is blown across the heat exchanger surface where the pressure sensors are located at a given wind speed. The particle size of the artificial dust is set to be larger than that of the atmospheric dust, wherein the artificial dust comprises dust, carbon black and short fibers, and the artificial dust is formed according to a certain proportion, namely the artificial dust simulates the use environment of an air-conditioned room. When the dust deposition state on the surface of the indoor heat exchanger reaches a certain thickness, executing a self-cleaning function and keeping timing to reach an effective running preset value; the self-cleaning result is monitored. The process is repeated for many times until the maximum accumulated dust amount which can be cleaned by the self-cleaning function of the air conditioner in a period corresponding to an effective preset value of operation is determined, after the cleaning is finished, the surface of the evaporator can achieve an ideal cleaning effect, the maximum accumulated dust amount is determined to be a critical state, and the pressure detection value of the pressure sensor before the cleaning is the first preset pressure value.
In the operation process of the air conditioner, if the pressure detection value received by the controller from the pressure sensor is larger than or equal to a first preset pressure value, the surface dust deposition state of the indoor heat exchanger is judged to exceed a preset critical state, and the self-cleaning function is controlled to be started.
Of course, besides the pressure sensor, the dust deposition state on the surface of the indoor heat exchanger can be estimated through a light sensor arranged at the air return opening of the air conditioner or the detection of the filtering efficiency at the air return opening of the air conditioner. However, these methods are indirect estimation methods, and the test accuracy is low.
The air conditioner control method disclosed in the above embodiment determines the starting condition of the self-cleaning function according to the state of the dust accumulated on the surface of the indoor heat exchanger, instead of determining the starting condition of the self-cleaning function according to the accumulated running time, and fully considers the influence of the change of the indoor and outdoor environmental dust sources on the accumulated dust accumulation amount. The starting control of self-cleaning is more accurate.
A preferred embodiment is shown in figure 2. Since the self-cleaning function may be performed while temporarily changing the original operation state of the air conditioner, some users may choose to actively stop the self-cleaning function without adaptation. Therefore, when the air conditioner is started again, the received sampling data take the pressure sensor as an example, the pressure detection value is far greater than the first preset pressure value, namely, the dust deposition state on the surface of the indoor heat exchanger far exceeds the preset critical state. Therefore, as a preferable control method, after the surface dust deposition state of the indoor heat exchanger is obtained, whether the surface dust deposition state of the indoor heat exchanger exceeds a critical state is judged, and the following steps are specifically executed:
if the preset critical state is exceeded, the self-cleaning function is controlled to be started, and meanwhile, the first self-cleaning period timer is controlled to start timing. And when the timing time of the first self-cleaning periodic timer is greater than the effective running preset value, judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a preset critical state again. If the critical state is exceeded, controlling to keep the self-cleaning function running, and simultaneously controlling a second self-cleaning period timer to start timing; and when the timing time of the second self-cleaning periodic timer is greater than the effective correction preset value, controlling to recover the normal operation of the air conditioner.
In this embodiment, the operation valid preset value may be set to 15 minutes. Within the range of the effective preset value of the operation, the influence of the self-cleaning function on the user is small, the air conditioning effect can be compensated through other auxiliary equipment such as electric heating equipment, and the large fluctuation of the indoor environment cannot be caused. If the dust accumulation state on the surface of the indoor heat exchanger still exceeds the critical state when the timing time of the first self-cleaning period timer is greater than the effective preset value, the fact that the surface dust amount of the existing indoor heat exchanger is still large is indicated, the self-cleaning function is kept running, and meanwhile the second self-cleaning period timer is controlled to start timing; and when the timing time of the second self-cleaning periodic timer is greater than the effective correction preset value, controlling to recover the normal operation of the air conditioner. The correcting effective preset value is preferably set to be less than or equal to the operating effective preset value, so that the surface of the indoor heat exchanger can be fully cleaned, the air conditioning effect can be considered, and the auxiliary equipment is prevented from being operated for a long time to form extra energy consumption.
Fig. 3 shows a preferred embodiment of determining whether the dust deposition state on the surface of the indoor heat exchanger exceeds the critical state, specifically, the method includes the following steps:
and judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a first critical state, if so, controlling to start a self-cleaning function, and simultaneously controlling a first self-cleaning period timer to start timing. The first critical state is the maximum accumulated dust amount which can be cleaned by the self-cleaning function of the air conditioner in a period corresponding to an effective preset value.
Judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds the critical state again comprises the following steps:
judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a first critical state, if so, controlling to keep the self-cleaning function to operate, and simultaneously controlling a second self-cleaning period timer to start timing; and when the timing time of the second self-cleaning periodic timer is greater than the first effective correction preset value, controlling to recover the normal operation of the air conditioner.
Specifically, if the dust deposition state on the surface of the indoor heat exchanger is judged again, the dust deposition state on the surface of the indoor heat exchanger still exceeds the first critical state, which indicates that the dust deposition on the surface of the indoor heat exchanger is serious, the self-cleaning function is controlled to be kept running, and meanwhile, the second self-cleaning period timer is controlled to start timing to reach the first effective correction preset value. The first corrected effective preset value is less than the operational effective preset value, and may be set to 10 minutes, for example. Therefore, the surface of the indoor heat exchanger can be effectively cleaned through the two times of automatically controlled self-cleaning processes.
Or judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a second critical state, if so, controlling to keep the self-cleaning function running, and simultaneously controlling a second self-cleaning period timer to start timing; and when the timing time of the second self-cleaning period timer is greater than a second correction effective preset value, controlling to recover the normal operation of the air conditioner.
Specifically, when the second critical state is in, the dust amount on the surface of the indoor heat exchanger is lower than that when the first critical state is in. And if the dust deposition state on the surface of the indoor heat exchanger still exceeds the second critical state when the dust deposition state on the surface of the indoor heat exchanger is judged again, the fact that the surface of the indoor heat exchanger is cleaned is indicated, but the surface of the indoor heat exchanger does not reach an ideal level, the self-cleaning function is controlled to be kept running, and meanwhile the second self-cleaning period timer is controlled to start timing to reach a second correction effective preset value. The second corrected effective preset value is smaller than the first corrected effective preset value, and may be set to 5 minutes, for example. Thus, the surface of the indoor heat exchanger can be restored to an ideal cleaning state through two times of automatically controlled self-cleaning processes.
Or judging whether the dust deposition state on the surface of the indoor heat exchanger is lower than a second critical state, and if the dust deposition state is lower than the second critical state, recovering the normal operation of the air conditioner.
Specifically, if the dust deposition state on the surface of the indoor heat exchanger is lower than the second critical state when the dust deposition state on the surface of the indoor heat exchanger is judged again, it is indicated that the surface of the indoor heat exchanger is restored to an ideal clean state, the normal operation of the air conditioner is restored,
in this way, whether the user interrupts the control of the self-cleaning function during the previous operation or not, the accurate control of the self-cleaning function can be ensured to be executed every time the indoor heat exchanger is started, so that the surface of the indoor heat exchanger is recovered to an ideal cleaning state.
As shown in fig. 4, if the self-cleaning control is frequently entered during the air conditioner operation, the user's feeling may be reduced. Especially in the case described above, the user may have previously actively interrupted the over-self-cleaning. Even if the dust deposition state on the surface of the indoor heat exchanger still exceeds the critical state after two self-cleaning operations or exceeds the critical state again after a short operation, the self-cleaning operation is not immediately performed to ensure the actual experience of the user, and in order to achieve the above purpose, as shown in fig. 4, the embodiment further includes the following steps:
after the normal operation of the air conditioner is recovered, controlling an interval timer to start timing;
judging whether the timing time of the interval timer is greater than the set interval time or not;
and if the timing time of the interval timer is greater than the set interval time, receiving the sampling data of the detection module again to obtain the surface dust deposition state of the indoor heat exchanger.
The set interval time is preferably set to 8 hours.
As shown in fig. 5, to further optimize the user experience, it is preferable to consider the indoor air quality parameter when performing the self-cleaning operation again. Specifically, the method comprises the following steps:
after the normal operation of the air conditioner is recovered, receiving the sampling data of the detection module to obtain indoor air quality parameters;
judging whether the indoor air quality parameter belongs to a valid preset interval or not, and if the indoor air quality parameter belongs to the valid preset interval, setting the set interval time as a correction set interval time;
judging whether the timing time of the interval timer is greater than the correction set interval time or not;
and if the timing time of the interval timer is greater than the correction set interval time, receiving the sampling data of the detection module again to obtain the surface dust deposition state of the indoor heat exchanger.
Therefore, the start and stop of the subsequent self-cleaning control are optimized by adjusting the set interval time, and a control mode which can only be flexible is formed.
It should be noted that the first self-cleaning period timer, the second self-cleaning period timer and the interval timer may be timers in the air conditioner controller or may be independent timing circuits.
Specifically, the indoor air quality parameter may be an air dust concentration, which may be detected by a dust sensor provided in the air conditioner.
One preferred control method comprises the following steps:
if the indoor dust concentration is smaller than the first effective preset value, the indoor dust concentration belongs to a first effective preset interval, the indoor air quality is good, the interval for executing the self-cleaning control next time needs to be lengthened, and the set correction set interval time = the set interval time + the first preset time parameter.
And if the indoor dust concentration is greater than the first effective preset value and less than the second effective preset value, the indoor dust concentration belongs to a second effective preset interval, which indicates that the indoor air quality is better, the interval for executing the self-cleaning control next time needs to be lengthened or kept unchanged, and the set correction interval time = the set interval time + a second preset time parameter.
If the indoor dust concentration is larger than the second effective preset value and smaller than the third effective preset value, the indoor dust concentration belongs to a third effective preset interval, which indicates that the indoor air quality is poor, the interval for executing the self-cleaning control next time needs to be shortened, and the set correction set interval time = the set interval time + a third preset time parameter.
And if the indoor dust concentration is greater than the third effective preset value, the indoor dust concentration belongs to a fourth effective preset interval, which indicates that the indoor air quality is poor, the interval for executing the self-cleaning control next time needs to be further shortened, and the set correction set interval time = the set interval time + a fourth preset time parameter.
The first preset time parameter and the second preset time parameter are greater than or equal to zero, and the first preset time parameter is greater than the second preset time parameter; the third preset time parameter and the fourth preset time parameter are less than zero, and the absolute value of the third preset time parameter is less than the absolute value of the fourth preset time parameter. Preferably, the first preset time parameter may be set to be 4, the second preset time parameter may be 0 to 2, the third preset time parameter may be-2 hours, and the fourth preset time parameter may be-4. It should be noted that the detection of the indoor air quality parameter may also be implemented by other air quality sensors. Wherein the first effective preset value is 75 mug/cubic meter, the second effective preset value is 150 mug/cubic meter, and the third effective preset value is 250 mug/cubic meter.
Because the running state of the air conditioner can be changed when self-cleaning is carried out, when the dust deposition state on the surface of the indoor heat exchanger exceeds a preset critical state, a reminding signal is output. Specifically, the detection module can directly transmit the sampling data to the indoor unit controller in a serial communication mode, and can also transmit the sampling data to a personal computer, a remote server, a handheld device, a smart phone and/or wearable equipment in a wireless communication mode, and the equipment further transmits the sampling data to the indoor controller; or the indoor unit controller transmits the sample to a personal computer, a remote server, a handheld device, a smart phone, and/or a wearable device. The wireless communication may be in a one-to-one communication mode, or through one or more servers in a local area network, or through a cloud server. Like this, these equipment all can obtain alarm signal, and the form of concrete embodiment includes that there is the sign that exceeds preset critical state to light and twinkle on the display screen, and user's cell-phone APP receives the warning, and the sign on the air conditioner remote controller lights and twinkles to and voice broadcast etc..
The embodiment of the application also provides an air conditioner and a control method applying the air conditioner. The specific steps of the air conditioner control method are described in detail with reference to the detailed description of the above embodiments and the drawings in the specification. No further description is given here, and the air conditioner adopting the air conditioner control method can achieve the same technical effects.
Embodiments of the present application also provide a computer storage medium, wherein the computer storage medium stores a computer program for electronic data exchange, and the computer program causes an air conditioner to perform part or all of the steps of any one of the methods described in the above method embodiments.
In the above embodiments, 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 apparatus may be implemented in other manners. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the above-described units or modules is only one type of division of logical functions, and there may be other divisions when actually implemented, for example, a plurality of 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, devices or units, and may be an electrical or other form.
The units described as the separate components may or may not be physically separate, and the components displayed as the units may or may not be physical units, that is, may be located in one physical space, or may also be distributed on a plurality of network units, and some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment.
In addition, functional units in the embodiments of the present application 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 above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions.
Claims (10)
1. An air conditioner control method is characterized by comprising the following steps:
receiving sampling data of the detection module to obtain the surface dust deposition state of the indoor heat exchanger;
and when the dust deposition state on the surface of the indoor heat exchanger exceeds a preset critical state, controlling to start the self-cleaning function.
2. The air conditioner controlling method according to claim 1, further comprising the steps of:
after the surface dust deposition state of the indoor heat exchanger is obtained, judging whether the surface dust deposition state of the indoor heat exchanger exceeds a critical state;
if the critical state is exceeded, the self-cleaning function is controlled to be started, and meanwhile, a first self-cleaning period timer is controlled to start timing;
when the timing time of the first self-cleaning period timer is greater than an effective running preset value, judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a critical state again;
if the critical state is exceeded, controlling to keep the self-cleaning function running, and simultaneously controlling a second self-cleaning period timer to start timing;
when the timing time of the second self-cleaning periodic timer is greater than the effective correcting preset value, the normal operation of the air conditioner is controlled to be recovered;
wherein the corrected effective preset value is less than or equal to the running effective preset value.
3. The air conditioner controlling method according to claim 2,
judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a critical state comprises the following steps:
judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a first critical state, if so, controlling to start a self-cleaning function, and simultaneously controlling a first self-cleaning period timer to start timing;
judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds the critical state again comprises the following steps:
judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a first critical state, if so, controlling to keep the self-cleaning function to operate, and simultaneously controlling a second self-cleaning period timer to start timing; when the timing time of the second self-cleaning periodic timer is greater than a first effective correction preset value, controlling to recover the normal operation of the air conditioner;
judging whether the dust deposition state on the surface of the indoor heat exchanger exceeds a second critical state, if so, controlling to keep the self-cleaning function to operate, and simultaneously controlling a second self-cleaning period timer to start timing; when the timing time of the second self-cleaning period timer is greater than a second correction effective preset value, controlling to recover the normal operation of the air conditioner;
judging whether the dust deposition state on the surface of the indoor heat exchanger is lower than a second critical state, and if the dust deposition state is lower than the second critical state, recovering the normal operation of the air conditioner;
the first critical state is the maximum accumulated dust volume which can be cleaned by the self-cleaning function of the air conditioner in a period corresponding to an effective preset value; when the indoor heat exchanger is in the second critical state, the surface area dust amount of the indoor heat exchanger is lower than that of the indoor heat exchanger in the first critical state; the second corrected effective preset value is less than the first corrected effective preset value.
4. The air conditioner control method according to claim 3, characterized in that:
after the normal operation of the air conditioner is recovered, controlling an interval timer to start timing;
judging whether the timing time of the interval timer is greater than the set interval time or not;
and if the timing time of the interval timer is greater than the set interval time, receiving the sampling data of the detection module again to obtain the surface dust deposition state of the indoor heat exchanger.
5. The air conditioner control method according to claim 4, wherein:
after the normal operation of the air conditioner is recovered, receiving the sampling data of the detection module to obtain indoor air quality parameters;
judging whether the indoor air quality parameter belongs to a valid preset interval or not, and if the indoor air quality parameter belongs to the valid preset interval, setting the set interval time as a correction set interval time;
judging whether the timing time of the interval timer is greater than the correction set interval time or not;
and if the timing time of the interval timer is greater than the correction set interval time, receiving the sampling data of the detection module again to obtain the surface dust deposition state of the indoor heat exchanger.
6. The air conditioner control method according to claim 5, characterized in that:
if the indoor air quality parameter is smaller than the first effective preset value, the indoor air quality parameter belongs to a first effective preset interval, and the set correction set interval time = the set interval time + the first preset time parameter;
if the indoor air quality parameter is greater than the first effective preset value and less than the second effective preset value, the indoor air quality parameter belongs to a second effective preset interval, and the set correction set interval time = the set interval time + a second preset time parameter;
if the indoor air quality parameter is greater than the second effective preset value and less than a third effective preset value, the indoor air quality parameter belongs to a third effective preset interval, and the set correction set interval time = the set interval time + a third preset time parameter;
if the indoor air quality parameter is greater than the third effective preset value, the indoor air quality parameter belongs to a fourth effective preset interval, and the set correction set interval time = the set interval time + a fourth preset time parameter;
the first preset time parameter and the second preset time parameter are greater than or equal to zero, and the first preset time parameter is greater than the second preset time parameter; the third preset time parameter and the fourth preset time parameter are less than zero, and the absolute value of the third preset time parameter is less than the absolute value of the fourth preset time parameter.
7. The air conditioner controlling method according to claim 6,
the indoor air quality parameter is indoor dust concentration.
8. The air conditioner controlling method according to claim 7,
further comprising the steps of: when the dust deposition state on the surface of the indoor heat exchanger exceeds a preset critical state, a reminding signal is output.
9. The air conditioner controlling method according to any one of claims 1 to 8,
receiving a pressure detection value sampled by a pressure sensor arranged on the indoor heat exchanger to obtain the surface dust deposition state of the indoor heat exchanger,
when the pressure detection value is larger than or equal to a first preset pressure value, the dust deposition state on the surface of the indoor heat exchanger is judged to exceed a preset critical state, and the self-cleaning function is controlled to be started.
10. An air conditioner characterized by applying the air conditioner control method as claimed in any one of claims 1 to 9.
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