WO2019242699A1 - Control method for air conditioner - Google Patents

Control method for air conditioner Download PDF

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Publication number
WO2019242699A1
WO2019242699A1 PCT/CN2019/092135 CN2019092135W WO2019242699A1 WO 2019242699 A1 WO2019242699 A1 WO 2019242699A1 CN 2019092135 W CN2019092135 W CN 2019092135W WO 2019242699 A1 WO2019242699 A1 WO 2019242699A1
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Prior art keywords
air conditioner
cleaned
indoor unit
current value
control method
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PCT/CN2019/092135
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French (fr)
Chinese (zh)
Inventor
魏学帅
吕静静
王永涛
王鹏臣
单翠云
关婷婷
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青岛海尔空调器有限总公司
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Publication of WO2019242699A1 publication Critical patent/WO2019242699A1/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D46/00Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/30Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/52Indication arrangements, e.g. displays
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/64Electronic processing using pre-stored data

Definitions

  • the invention belongs to the technical field of air conditioners, and specifically provides a control method for an air conditioner.
  • the air conditioner is a device capable of cooling / heating the room. As time goes by, the ash accumulation on the indoor and outdoor units of the air conditioner will gradually increase. After the ash accumulation has accumulated to a certain extent, a large number of bacteria will grow, especially indoors. When the air flows through the indoor unit, it will carry a lot of dust and bacteria, so the air conditioner needs to be cleaned in time.
  • a self-cleaning control method for an air conditioner. Specifically, the control method includes detecting a current operating mode of the air conditioner.
  • the current operating mode is a non-cooling mode, and the air conditioner is adjusted to a cooling mode; the speed of the motor of the indoor unit fan of the air conditioner and the first current value of the motor at the speed are detected; and the first current value of the motor at the speed and the The first preset current value at the rotation speed is compared. If the first current value is less than or equal to the first preset current value, the self-cleaning mode of the air conditioner is turned on, and the self-cleaning process of the indoor unit heat exchanger is performed. That is to say, the above patents use the fan current of the indoor unit to determine whether to perform self-cleaning of the indoor unit. However, during the operation of the air conditioner, the fan current of the indoor unit will continuously change, even appearing larger.
  • the air conditioner may malfunction. It is judged that the self-cleaning mode of the air conditioner is performed when it is unnecessary to self-clean the indoor unit of the air conditioner. This will cause the air conditioner to frequently open the self-cleaning mode. Although this can ensure the cleanliness of the air conditioner, Will cause waste of energy.
  • the cleaning method is easy to cause the air conditioner to misjudge and frequently perform self-cleaning.
  • the present invention provides a control method for an air conditioner.
  • the air conditioner includes an indoor unit.
  • the control method includes: Compared with the preset time; if the power-off time is greater than or equal to the preset time, the fan current value of the indoor unit is detected; according to the fan current value, the air conditioner is selectively prompted to be cleaned.
  • the step of "optionally prompting the air conditioner to be cleaned according to the fan current value” specifically includes: calculating a change value of the fan current value relative to the standard current value; Value comparison; based on the comparison results, it is selectively prompted that the air conditioner needs to be cleaned.
  • the step of “optionally prompting the air conditioner to be cleaned according to the comparison result” includes: if the change value is greater than a preset value, prompting the air conditioner to be cleaned.
  • the step of "optionally prompting the air conditioner to be cleaned according to the comparison result" further includes: if the change value is not greater than a preset value, not prompting the air conditioner to be cleaned.
  • the step of “optionally prompting the air conditioner to be cleaned according to the comparison result” includes: if the number of times the change value is greater than the preset value reaches three times, prompting the air conditioner to be cleaned.
  • the step of "optionally prompting the air conditioner to be cleaned according to the comparison result" includes: if the number of times the change value is greater than the preset value has not reached three times, the air conditioner does not need to be cleaned .
  • the step of "indicating that the air conditioner needs to be cleaned” includes: changing an indicator light on the indoor unit to a warning color.
  • the warning color is red.
  • the change value is equal to the difference between the standard current value and the fan current value.
  • the standard current value is a fan current value of the indoor unit measured before the air conditioner leaves the factory.
  • the power-off time of the indoor unit is compared with a preset time; if the power-off time is greater than or equal to the preset time, the fan of the indoor unit is detected Current value, calculate the change value of the fan current value relative to the standard current value, and compare the change value with the preset value. If the change value is greater than the preset value, the air conditioner needs to be cleaned. If the change value is not greater than the preset value, There is no indication that the air conditioner needs to be cleaned. Through such a control method, the user can accurately determine whether the air conditioner needs to be cleaned.
  • the user can immediately prompt the user about the air conditioner. Perform cleaning so that the air conditioner can be cleaned in a timely manner and improve the user experience.
  • the present invention selectively reminds the air conditioner only according to the fan current value of the indoor unit obtained when the power-off time of the indoor unit is greater than or equal to a preset time.
  • the air conditioner needs to be cleaned, that is, the air conditioner needs to be selectively reminded only according to the fan current value obtained in the cooling state.
  • the fan current value When the fan is in the cooling state, the fan current value is relatively stable and it is not easy to fluctuate, so that the obtained fan
  • the current value is more accurate, avoiding the situation where the air conditioner is misjudged as the air conditioner is ashing due to the large fluctuation of the fan current value of the indoor unit, and frequent self-cleaning mode is performed, resulting in waste of energy, and the air conditioner needs to be cleaned.
  • the time node is more accurate, that is, the air conditioner is self-cleaned at the most suitable time to improve the user experience.
  • the air conditioner needs to be cleaned only when the number of times the change value is greater than the preset value reaches three times. With this setting, it is possible to further avoid misjudgment of the air conditioner due to large fluctuations in the fan current of the indoor unit. Therefore, it can be more accurately judged when the air conditioner needs to be cleaned, that is, the air conditioner is self-cleaned at the most appropriate time to improve the user experience.
  • the standard current value is the fan current value of the indoor unit measured before the air conditioner leaves the factory, that is, the fan current value of the indoor unit measured when the air conditioner is completely cleaned.
  • the selection of the standard current value can more feedback the degree of ash formation in the air conditioner during use, that is, the air conditioner is always compared with the fan current parameters in the completely clean state during use, which can more accurately feedback the air conditioner.
  • the degree of ash formation can prompt the user to clean the air conditioner when the ash formation is serious. When the ash is not formed and the ash formation level is within an acceptable range, the user can be temporarily not prompted to clean the air conditioner.
  • the way of prompting the air conditioner to be cleaned is to change the indicator light on the indoor unit to red, so that the user can more intuitively observe that the air conditioner needs to be cleaned, so that the user can manually clean the air conditioner or turn on the air conditioner in time.
  • the self-cleaning mode of the air conditioner prevents serious blockage of the air conditioner due to untimely cleaning, thereby affecting the normal experience of the user.
  • FIG. 1 is a flowchart of a control method of the present invention
  • FIG. 2 is a flowchart of a first embodiment of a control method according to the present invention.
  • FIG. 3 is a flowchart of a second embodiment of a control method according to the present invention.
  • the manual cleaning of the existing air conditioner based on the background technology cannot enable the user to accurately determine when the air conditioner needs to be cleaned, so that the air conditioner cannot be cleaned in a timely manner, and the self-cleaning method of the air conditioner can easily cause the air conditioner to make mistakes Judgment and frequent self-cleaning issues.
  • the invention provides a control method for an air conditioner, which aims to enable the air conditioner to prompt the user to clean the air conditioner when cleaning is needed, so that the air conditioner can be cleaned in time, thereby improving the user experience.
  • the air conditioner of the present invention includes an indoor unit.
  • the control method of the present invention includes: Step S102, comparing the power-off time of the indoor unit with a preset time; Step S104, if the power-off time is greater than or If it is equal to the preset time, the fan current value of the indoor unit is detected.
  • step S106 according to the fan current value, the air conditioner is selectively prompted to be cleaned. It should be noted that the size of the fan current of the indoor unit can directly reflect the ash formation of the air conditioner, because the load of the fan is determined at a certain speed.
  • the fan current accordingly Decrease it means that the wind resistance of the fan increases, that is to say, the ash is formed on the indoor unit, and the more serious the ash formation is, the smaller the fan current is. .
  • the power-off time of the indoor unit is the interval time between the indoor unit being powered off and the next time the indoor unit is powered on. If the power-off time is greater than or equal to the preset time, the indoor unit is The motor of the indoor unit has been cooled, and the fan current of the indoor unit is relatively stable at this time, so the accuracy of the fan current value of the indoor unit detected at this time is higher.
  • the preset time may be set to 2 hours. That is, if the power-off time of the indoor unit is greater than or equal to 2 hours, the fan current value of the indoor unit is detected. If it is less than 2 hours, the power-off time of the indoor unit is not detected.
  • the fan current value of the indoor unit can also be detected, but the fan current value detected at this time is invalid.
  • the preset time is not limited to 2 hours. Those skilled in the art can set the preset time by experiment, or set the preset time by experience, as long as the duration determined by the preset time can make The fan of the indoor unit can be cooled. The technical solution of the present invention is described in detail below with reference to specific embodiments.
  • the step of “selectively prompting the air conditioner to be cleaned according to the current value of the fan” specifically includes: Step S206, calculating a change value of the fan current value relative to the standard current value; and comparing the change value with a preset value Compare (specifically, step S208 may be performed to determine whether the change value is greater than a preset value); according to the comparison result, the air conditioner may be selectively prompted to be cleaned.
  • the step of “optionally prompting the air conditioner to be cleaned according to the comparison result” includes: if the change value is greater than a preset value, prompting the air conditioner to be cleaned (see step S210); if the change value is not greater than the preset value Value, it does not indicate that the air conditioner needs to be cleaned (see step S212).
  • the above-mentioned change value is equal to the difference ⁇ I between the standard current value Ib and the fan current value If. That is, if the difference ⁇ I between the standard current value Ib and the fan current value If is greater than a preset value, it is prompted that the air conditioner needs to be cleaned.
  • the preset value is set to 0.1A, that is, if ⁇ I> 0.1A, it means that the indoor unit is seriously dirty at this time, and the user needs to be prompted to clean the air conditioner. If ⁇ I ⁇ 0.1A, it means that the indoor unit has no dirty blockage or the indoor unit is still in an acceptable range at this time. At this time, the user may not be prompted to clean the air conditioner temporarily.
  • the preset value is not limited to the above-mentioned example 0.1A. Those skilled in the art can flexibly set the specific value of the preset value in practical applications, as long as the demarcation point determined by the preset value can determine whether the air conditioner needs to be cleaned. can.
  • the step of “optionally prompting the air conditioner to be cleaned according to the fan current value” specifically includes: calculating a change value of the fan current value relative to the standard current value; comparing the change value with a preset value; Comparing the results, it is selectively prompted that the air conditioner needs to be cleaned.
  • the step of “optionally prompting the air conditioner to be cleaned according to the comparison result” includes: if the change value is greater than the preset value three times, prompting the air conditioner to be cleaned (see step S316); if the change value If the number of times greater than the preset value has not reached three times, it is not prompted that the air conditioner needs to be cleaned (see step S318).
  • the above-mentioned change value is equal to the difference ⁇ I between the standard current value Ib and the fan current value If. That is, step S208 to step S310 are performed. If the difference ⁇ I between the standard current value Ib and the fan current value If is greater than a preset value, the counter value N is increased by 1; or step S208 to step S312 are performed, and if the standard current value Ib and If the difference ⁇ I of the fan current value is not greater than the preset value, the technical device value N is unchanged. When the technical device value N is 3, it indicates that the air conditioner needs to be cleaned.
  • the preset value is set to 0.1A, that is, if ⁇ I> 0.1A, the counter value N is increased by 1, and if ⁇ I ⁇ 0.1A, the counter value N is unchanged.
  • the counter value N is When it is equal to 3, it means that the fan current of the indoor unit has been seriously attenuated. At this time, the indoor unit is seriously dirty, and the user needs to be prompted to clean the air conditioner.
  • the counter value N is less than 3, it means that the indoor unit is not dirty at this time. The blockage or dirty blockage of the indoor unit is still within an acceptable range, or a misjudgment occurs before the air conditioner. At this time, the user may not be prompted to clean the air conditioner temporarily.
  • the preset value is not limited to the above-mentioned example 0.1A. Those skilled in the art can flexibly set the specific value of the preset value in practical applications, as long as the boundary point determined by the preset value can determine the dirty condition of the indoor unit. can.
  • the above-mentioned standard current value can be measured before the air conditioner leaves the factory, that is, when the air conditioner is in a completely clean state, the standard current value of the indoor unit when the motor of the indoor unit is in a cooling state is measured.
  • the standard current value can also be measured after the air conditioner leaves the factory. That is, during the use of the air conditioner, the frequency of multiple fan current values of the indoor unit when the motor of the indoor unit obtained in a preset time is in a cooling state appears. The highest current value is used as the standard current value. By calculating and sorting the occurrence frequency of multiple fan current values, the fan current value with the highest occurrence frequency is selected as the standard current value.
  • the sampling data of the fan current value can be 1,000, 2000 or other numbers, those skilled in the art can flexibly set the sampling number of fan current values in practical applications.
  • the preset time can be one day, one week, one month, or other set time value, as long as a plurality of fan current values obtained from the preset time can select a standard current value, which is specific to the preset time.
  • the adjustment and change of the values do not deviate from the principle and scope of the present invention, and should be limited to the protection scope of the present invention.
  • the step of “indicating that the air conditioner needs to be cleaned” includes: changing the indicator light on the indoor unit to a warning color, wherein the user may be prompted to change the indicator light on the indoor unit to red or yellow to indicate that the air conditioner needs to be cleaned.
  • a warning color wherein the user may be prompted to change the indicator light on the indoor unit to red or yellow to indicate that the air conditioner needs to be cleaned.
  • the sound device on the aircraft (such as a buzzer, voice announcer, etc.) emits a sound to remind the user that the air conditioner needs to be cleaned, or a combination of an indicator and a sound device reminds the user that the air conditioner needs to be cleaned.
  • the indoor unit of the air conditioner can be cleaned separately, and the indoor unit and outdoor unit of the air conditioner can be cleaned at the same time, because the indoor unit can also be cleaned when it is dirty.
  • the outdoor unit has indirectly feedbacked that the time limit for the dirty blockage has occurred.
  • the specific cleaning method for the air conditioner may be manual cleaning or a self-cleaning device that starts the air conditioner for cleaning.

Abstract

The present invention relates to the technical field of air conditioners, and aims to solve the problem that the existing air conditioners require manual cleaning, and a user cannot accurately determine when an air conditioner needs to be cleaned, so that the air conditioner cannot be cleaned in time; in addition, for air conditioners capable of self-cleaning, the problem of frequent self-cleaning due to misjudgment would occur easily. For this reason, the present invention provides a control method for an air conditioner. The air conditioner comprises an indoor unit. The control method comprises: comparing a power-off duration of the indoor unit with a preset duration; if the power-off duration is greater than or equal to the preset duration, detecting a fan current value of the indoor unit; and according to the fan current value, selectively prompting about that the air conditioner needs to be cleaned. The present invention can accurately determine whether the air conditioner needs to be cleaned, thereby prompting a user to clean the air conditioner in time, preventing dirty and blocked situations and misjudgment from occurring in the air conditioner, and improving the user experience.

Description

用于空调器的控制方法Control method for air conditioner 技术领域Technical field
本发明属于空调器技术领域,具体提供一种用于空调器的控制方法。The invention belongs to the technical field of air conditioners, and specifically provides a control method for an air conditioner.
背景技术Background technique
空调器是能够为室内制冷/制热的设备,随着时间的推移,空调器的室内机和室外机上的积灰会逐渐增多,积灰累积到一定程度后会滋生大量的细菌,尤其在室内空气流经室内机时,会携带大量的灰尘和细菌,因此需要对空调器及时进行清洁。The air conditioner is a device capable of cooling / heating the room. As time goes by, the ash accumulation on the indoor and outdoor units of the air conditioner will gradually increase. After the ash accumulation has accumulated to a certain extent, a large number of bacteria will grow, especially indoors. When the air flows through the indoor unit, it will carry a lot of dust and bacteria, so the air conditioner needs to be cleaned in time.
目前,空调器的清洁一般需要通过人工进行清洁或者通过按键启动自清洁装置进行清洁,但是由于用户不能很准确地判断空调器何时需要进行清洁,导致空调器不能被及时地清洁,从而影响用户的使用体验。现在的一些空调器也有采用自清洁的方式,例如公开号为CN107525209A的专利中公开了一种空调器自清洁控制方法,具体而言,该控制方法包括检测空调器当前的运行模式,若空调器当前的运行模式为非制冷模式,将空调器调整为制冷模式;检测空调器的室内机风机的电机的转速及电机在转速下的第一电流值;将电机在转速下的第一电流值与在转速下的第一预设电流值进行比较,若第一电流值小于或等于第一预设电流值,则开启空调器的自清洁模式,执行室内机换热器的自清洁处理。也就是说,上述的专利中采用的是通过室内机的风机电流来判断是否执行室内机的自清洁,然而,在空调器的运行过程中,室内机的风机电流会不断变化,甚至出现较大的波动,尤其当室内机的风机长时间运行后,风机温度急剧升高,会加剧风机电流的波动频率和波动幅度,当室内机的风机电流在波动时降低较多时,空调器可能会出现误判的情况,即在无需对空调器的室内机自清洁的时候使空调器执行自清洁模式,这就会导致空调器可能会频繁开启自清洁模式,这虽然能够保证空调器的洁净度,但是会造成能源的浪费。At present, the cleaning of an air conditioner generally requires manual cleaning or a self-cleaning device activated by pressing a button. However, because the user cannot accurately determine when the air conditioner needs to be cleaned, the air conditioner cannot be cleaned in a timely manner, thereby affecting the user. Experience. Some current air conditioners also adopt a self-cleaning method. For example, a patent disclosed in CN107525209A discloses a self-cleaning control method for an air conditioner. Specifically, the control method includes detecting a current operating mode of the air conditioner. The current operating mode is a non-cooling mode, and the air conditioner is adjusted to a cooling mode; the speed of the motor of the indoor unit fan of the air conditioner and the first current value of the motor at the speed are detected; and the first current value of the motor at the speed and the The first preset current value at the rotation speed is compared. If the first current value is less than or equal to the first preset current value, the self-cleaning mode of the air conditioner is turned on, and the self-cleaning process of the indoor unit heat exchanger is performed. That is to say, the above patents use the fan current of the indoor unit to determine whether to perform self-cleaning of the indoor unit. However, during the operation of the air conditioner, the fan current of the indoor unit will continuously change, even appearing larger. , Especially when the fan of the indoor unit is running for a long time, the temperature of the fan rises sharply, which will aggravate the frequency and amplitude of the fluctuation of the fan current. When the fan current of the indoor unit decreases more during the fluctuation, the air conditioner may malfunction. It is judged that the self-cleaning mode of the air conditioner is performed when it is unnecessary to self-clean the indoor unit of the air conditioner. This will cause the air conditioner to frequently open the self-cleaning mode. Although this can ensure the cleanliness of the air conditioner, Will cause waste of energy.
因此,本领域需要一种用于空调器的控制方法来解决上述问题。Therefore, there is a need in the art for a control method for an air conditioner to solve the above problems.
发明内容Summary of the Invention
为了解决现有技术中的上述问题,即为了解决现有空调器采用人工清洁 无法使用户准确地判断何时需要对空调器进行清洁,从而使空调器不能被及时地清洁,以及空调器采用自清洁方式容易使空调器出现误判而频繁执行自清洁的问题,本发明提供了一种用于空调器的控制方法,该空调器包括室内机,该控制方法包括:将室内机的断电时间与预设时间比较;如果断电时间大于或等于预设时间,则检测室内机的风机电流值;根据风机电流值,选择性地提示空调器需要被清洁。In order to solve the above-mentioned problems in the prior art, that is, to solve the problem that manual cleaning of the existing air conditioner cannot enable the user to accurately determine when the air conditioner needs to be cleaned, so that the air conditioner cannot be cleaned in time, and the air conditioner is The cleaning method is easy to cause the air conditioner to misjudge and frequently perform self-cleaning. The present invention provides a control method for an air conditioner. The air conditioner includes an indoor unit. The control method includes: Compared with the preset time; if the power-off time is greater than or equal to the preset time, the fan current value of the indoor unit is detected; according to the fan current value, the air conditioner is selectively prompted to be cleaned.
在上述控制方法的优选技术方案中,“根据风机电流值,选择性地提示空调器需要被清洁”的步骤具体包括:计算风机电流值相对于标准电流值的变化值;将变化值与预设值比较;根据比较结果,选择性地提示空调器需要被清洁。In a preferred technical solution of the above control method, the step of "optionally prompting the air conditioner to be cleaned according to the fan current value" specifically includes: calculating a change value of the fan current value relative to the standard current value; Value comparison; based on the comparison results, it is selectively prompted that the air conditioner needs to be cleaned.
在上述控制方法的优选技术方案中,“根据比较结果,选择性地提示空调器需要被清洁”的步骤包括:如果变化值大于预设值,则提示空调器需要被清洁。In a preferred technical solution of the above control method, the step of “optionally prompting the air conditioner to be cleaned according to the comparison result” includes: if the change value is greater than a preset value, prompting the air conditioner to be cleaned.
在上述控制方法的优选技术方案中,“根据比较结果,选择性地提示空调器需要被清洁”的步骤还包括:如果变化值不大于预设值,则不提示空调器需要被清洁。In a preferred technical solution of the above control method, the step of "optionally prompting the air conditioner to be cleaned according to the comparison result" further includes: if the change value is not greater than a preset value, not prompting the air conditioner to be cleaned.
在上述控制方法的优选技术方案中,“根据比较结果,选择性地提示空调器需要被清洁”的步骤包括:如果变化值大于预设值的次数达到三次,则提示空调器需要被清洁。In a preferred technical solution of the above control method, the step of “optionally prompting the air conditioner to be cleaned according to the comparison result” includes: if the number of times the change value is greater than the preset value reaches three times, prompting the air conditioner to be cleaned.
在上述控制方法的优选技术方案中,“根据比较结果,选择性地提示空调器需要被清洁”的步骤包括:如果变化值大于预设值的次数未达到三次,则不提示空调器需要被清洁。In a preferred technical solution of the above control method, the step of "optionally prompting the air conditioner to be cleaned according to the comparison result" includes: if the number of times the change value is greater than the preset value has not reached three times, the air conditioner does not need to be cleaned .
在上述控制方法的优选技术方案中,“提示空调器需要被清洁”的步骤包括:将室内机上的指示灯变为预警颜色。In a preferred technical solution of the above control method, the step of "indicating that the air conditioner needs to be cleaned" includes: changing an indicator light on the indoor unit to a warning color.
在上述控制方法的优选技术方案中,预警颜色为红色。In a preferred technical solution of the above control method, the warning color is red.
在上述控制方法的优选技术方案中,变化值等于标准电流值与风机电流值的差值。In a preferred technical solution of the above control method, the change value is equal to the difference between the standard current value and the fan current value.
在上述控制方法的优选技术方案中,标准电流值为空调器出厂前进行测定的室内机的风机电流值。In a preferred technical solution of the above control method, the standard current value is a fan current value of the indoor unit measured before the air conditioner leaves the factory.
本领域技术人员能够理解的是,在本发明的优选技术方案中,将室内机的断电时间与预设时间比较;如果断电时间大于或等于预设时间,则检测所 述室内机的风机电流值,计算风机电流值相对于标准电流值的变化值,将变化值与预设值比较,如果变化值大于预设值,则提示空调器需要被清洁,如果变化值不大于预设值,则不提示空调器需要被清洁。通过这样的控制方法,能够使用户准确地判断空调器是否需要被清洁,与现有技术中采用人工清洁空调器的方式相比,本发明中当空调器需要清洁时能够马上提示用户对空调器进行清洁,从而使空调器能够被及时地清洁,提升用户的使用体验。此外,与现有技术中空调器采用自清洁的方式相比,本发明中只根据当室内机的断电时间大于或等于预设时间时获取的室内机的风机电流值来选择性地提示空调器需要被清洁,即只根据风机在冷却状态下获取的风机电流值来选择性地提示空调器需要被清洁,风机在冷却状态下,风机电流值比较稳定,不易产生波动,从而使获取的风机电流值更为准确,避免出现空调器由于室内机的风机电流值产生较大的波动而误判为空调器结灰而频繁执行自清洁模式导致浪费能源的情况,进而使空调器需要被清洁的时间节点更加精准,即在最合适的时间来对空调器进行自清洁,提升用户体验。Those skilled in the art can understand that in the preferred technical solution of the present invention, the power-off time of the indoor unit is compared with a preset time; if the power-off time is greater than or equal to the preset time, the fan of the indoor unit is detected Current value, calculate the change value of the fan current value relative to the standard current value, and compare the change value with the preset value. If the change value is greater than the preset value, the air conditioner needs to be cleaned. If the change value is not greater than the preset value, There is no indication that the air conditioner needs to be cleaned. Through such a control method, the user can accurately determine whether the air conditioner needs to be cleaned. Compared with the method of manually cleaning the air conditioner in the prior art, when the air conditioner needs to be cleaned in the present invention, the user can immediately prompt the user about the air conditioner. Perform cleaning so that the air conditioner can be cleaned in a timely manner and improve the user experience. In addition, compared with the self-cleaning method of the air conditioner in the prior art, the present invention selectively reminds the air conditioner only according to the fan current value of the indoor unit obtained when the power-off time of the indoor unit is greater than or equal to a preset time. The air conditioner needs to be cleaned, that is, the air conditioner needs to be selectively reminded only according to the fan current value obtained in the cooling state. When the fan is in the cooling state, the fan current value is relatively stable and it is not easy to fluctuate, so that the obtained fan The current value is more accurate, avoiding the situation where the air conditioner is misjudged as the air conditioner is ashing due to the large fluctuation of the fan current value of the indoor unit, and frequent self-cleaning mode is performed, resulting in waste of energy, and the air conditioner needs to be cleaned. The time node is more accurate, that is, the air conditioner is self-cleaned at the most suitable time to improve the user experience.
进一步地,变化值大于预设值的次数达到三次时,才提示空调器需要被清洁,通过这样的设置,能够进一步避免出现空调器由于室内机的风机电流产生较大波动而误判的情况,从而可以更为精准地判断何时才需要对空调器进行清洁,即在最合适的时间来对空调器进行自清洁,提升用户体验。Further, the air conditioner needs to be cleaned only when the number of times the change value is greater than the preset value reaches three times. With this setting, it is possible to further avoid misjudgment of the air conditioner due to large fluctuations in the fan current of the indoor unit. Therefore, it can be more accurately judged when the air conditioner needs to be cleaned, that is, the air conditioner is self-cleaned at the most appropriate time to improve the user experience.
更一步地,标准电流值为空调器出厂前进行测定的室内机的风机电流值,即空调器处在完全清洁状态下测定的室内机的风机电流值,在空调器处于完全清洁的状态时,此时选取标准电流值更能够反馈空调器在使用过程中的结灰程度,即空调器在使用的过程中始终是和完全清洁状态下的风机电流参数进行比对,可以更加准确地反馈空调器的结灰程度,在结灰严重时可以及时提示用户需要对空调器进行清洁,在未结灰并且结灰程度在可以接受的范围内时可以暂时不提示用户对空调器进行清洁。Furthermore, the standard current value is the fan current value of the indoor unit measured before the air conditioner leaves the factory, that is, the fan current value of the indoor unit measured when the air conditioner is completely cleaned. When the air conditioner is completely cleaned, At this time, the selection of the standard current value can more feedback the degree of ash formation in the air conditioner during use, that is, the air conditioner is always compared with the fan current parameters in the completely clean state during use, which can more accurately feedback the air conditioner. The degree of ash formation can prompt the user to clean the air conditioner when the ash formation is serious. When the ash is not formed and the ash formation level is within an acceptable range, the user can be temporarily not prompted to clean the air conditioner.
再进一步地,提示空调器需要被清洁的方式采取将室内机上的指示灯变为红色可以使用户更为直观地观察到空调器需要被清洁,从而使用户及时对空调器进行人工清洁或开启空调器自清洁模式,避免空调器由于清洁不及时而导致脏堵严重进而影响用户的正常体验。Furthermore, the way of prompting the air conditioner to be cleaned is to change the indicator light on the indoor unit to red, so that the user can more intuitively observe that the air conditioner needs to be cleaned, so that the user can manually clean the air conditioner or turn on the air conditioner in time. The self-cleaning mode of the air conditioner prevents serious blockage of the air conditioner due to untimely cleaning, thereby affecting the normal experience of the user.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明的控制方法的流程图;FIG. 1 is a flowchart of a control method of the present invention;
图2是本发明的控制方法实施例一的流程图;2 is a flowchart of a first embodiment of a control method according to the present invention;
图3是本发明的控制方法实施例二的流程图。3 is a flowchart of a second embodiment of a control method according to the present invention.
具体实施方式detailed description
下面参照附图来描述本发明的优选实施方式。本领域技术人员应当理解的是,这些实施方式仅仅用于解释本发明的技术原理,并非旨在限制本发明的保护范围。Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are only used to explain the technical principles of the present invention, and are not intended to limit the protection scope of the present invention.
基于背景技术指出的现有空调器采用人工清洁无法使用户准确地判断何时需要对空调器进行清洁,从而使空调器不能被及时地清洁,以及空调器采用自清洁方式容易使空调器出现误判而频繁执行自清洁的问题。本发明提供了一种用于空调器的控制方法,旨在使空调器在需要进行清洁时能够提示用户对空调器进行清洁,从而使空调器能够被及时地清洁,进而提升用户体验。The manual cleaning of the existing air conditioner based on the background technology cannot enable the user to accurately determine when the air conditioner needs to be cleaned, so that the air conditioner cannot be cleaned in a timely manner, and the self-cleaning method of the air conditioner can easily cause the air conditioner to make mistakes Judgment and frequent self-cleaning issues. The invention provides a control method for an air conditioner, which aims to enable the air conditioner to prompt the user to clean the air conditioner when cleaning is needed, so that the air conditioner can be cleaned in time, thereby improving the user experience.
具体地,本发明的空调器包括室内机,如图1所示,本发明的控制方法包括:步骤S102,将室内机的断电时间与预设时间比较;步骤S104,如果断电时间大于或等于预设时间,则检测室内机的风机电流值;步骤S106,根据风机电流值,选择性地提示空调器需要被清洁。需要说明的是,室内机的风机电流大小能够直接反映出空调器的结灰程度,因为在一定的转速下风机的负荷是确定的,当相同转速下风机的负荷增大,相应地,风机电流减小,此时说明风机的风阻增加,也就是说室内机上结灰,并且结灰越严重,风机电流就越小,因此,通过风机电流大小能够充分地判断空调器的室内机的结灰程度。Specifically, the air conditioner of the present invention includes an indoor unit. As shown in FIG. 1, the control method of the present invention includes: Step S102, comparing the power-off time of the indoor unit with a preset time; Step S104, if the power-off time is greater than or If it is equal to the preset time, the fan current value of the indoor unit is detected. In step S106, according to the fan current value, the air conditioner is selectively prompted to be cleaned. It should be noted that the size of the fan current of the indoor unit can directly reflect the ash formation of the air conditioner, because the load of the fan is determined at a certain speed. When the load of the fan increases at the same speed, the fan current accordingly Decrease, it means that the wind resistance of the fan increases, that is to say, the ash is formed on the indoor unit, and the more serious the ash formation is, the smaller the fan current is. .
此外,还需要说明的是,上述的室内机的断电时间为室内机断电后到室内机下次上电前的间隔时间,如果断电时间大于或等于预设时间,则说明此时室内机的电机已经冷却,此时室内机的风机电流比较稳定,所以此时检测到的室内机的风机电流值准确性更高。在一种可能的实施方式中,预设时间可以设定为2小时,即,如果室内机的断电时间大于或等于2小时,则检测室内机的风机电流值,如果室内机的断电时间小于2小时,则不检测室内机的断电时间。当然,在室内机的断电时间小于2小时的情况下,也可以检测室内机的风机电流值,只是此时检测的风机电流值无效。而且,预设时间并 不限于2小时,本领域技术人员可以通过实验的方式设定该预设时间,也可以通过经验的方式设定该预设时间,只要通过预设时间确定的时长能够使室内机的风机达到冷却状态即可。下面结合具体实施例详细地阐述本发明的技术方案。In addition, it should be noted that the power-off time of the indoor unit is the interval time between the indoor unit being powered off and the next time the indoor unit is powered on. If the power-off time is greater than or equal to the preset time, the indoor unit is The motor of the indoor unit has been cooled, and the fan current of the indoor unit is relatively stable at this time, so the accuracy of the fan current value of the indoor unit detected at this time is higher. In a possible implementation manner, the preset time may be set to 2 hours. That is, if the power-off time of the indoor unit is greater than or equal to 2 hours, the fan current value of the indoor unit is detected. If it is less than 2 hours, the power-off time of the indoor unit is not detected. Of course, when the power-off time of the indoor unit is less than 2 hours, the fan current value of the indoor unit can also be detected, but the fan current value detected at this time is invalid. In addition, the preset time is not limited to 2 hours. Those skilled in the art can set the preset time by experiment, or set the preset time by experience, as long as the duration determined by the preset time can make The fan of the indoor unit can be cooled. The technical solution of the present invention is described in detail below with reference to specific embodiments.
实施例一Example one
如图2所示,“根据风机电流值,选择性地提示空调器需要被清洁”的步骤具体包括:步骤S206,计算风机电流值相对于标准电流值的变化值;将变化值与预设值比较(具体可以通过执行步骤S208,判断变化值是否大于预设值);根据比较结果,选择性地提示空调器需要被清洁。进一步地,“根据比较结果,选择性地提示空调器需要被清洁”的步骤包括:如果变化值大于预设值,则提示空调器需要被清洁(参见步骤S210);如果变化值不大于预设值,则不提示空调器需要被清洁(参见步骤S212)。具体地,上述的变化值等于标准电流值Ib与风机电流值If的差值△I。即,如果标准电流值Ib与风机电流值If的差值△I大于预设值,则提示空调器需要被清洁,如果标准电流值Ib与风机电流值If的差值△I不大于预设值,则不提示空调器需要被清洁。在一种可能的实施方式中,预设值设置为0.1A,即如果△I>0.1A,则说明此时室内机的脏堵比较严重,需要提示用户对空调器进行清洁,如果△I≤0.1A,则说明此时室内机无脏堵或者室内机的脏堵仍然在可以接受的范围内,此时可以暂时不提示用户对空调器进行清洁。当然,预设值不限于上述示例的0.1A,本领域技术人员可以在实际应用中灵活地设置预设值的具体数值,只要通过预设值确定的分界点能够判断空调器是否需要被清洁即可。As shown in FIG. 2, the step of “selectively prompting the air conditioner to be cleaned according to the current value of the fan” specifically includes: Step S206, calculating a change value of the fan current value relative to the standard current value; and comparing the change value with a preset value Compare (specifically, step S208 may be performed to determine whether the change value is greater than a preset value); according to the comparison result, the air conditioner may be selectively prompted to be cleaned. Further, the step of “optionally prompting the air conditioner to be cleaned according to the comparison result” includes: if the change value is greater than a preset value, prompting the air conditioner to be cleaned (see step S210); if the change value is not greater than the preset value Value, it does not indicate that the air conditioner needs to be cleaned (see step S212). Specifically, the above-mentioned change value is equal to the difference ΔI between the standard current value Ib and the fan current value If. That is, if the difference ΔI between the standard current value Ib and the fan current value If is greater than a preset value, it is prompted that the air conditioner needs to be cleaned. If the difference △ I between the standard current value Ib and the fan current value If is not greater than the preset value , It does not indicate that the air conditioner needs to be cleaned. In a possible implementation manner, the preset value is set to 0.1A, that is, if △ I> 0.1A, it means that the indoor unit is seriously dirty at this time, and the user needs to be prompted to clean the air conditioner. If △ I≤ 0.1A, it means that the indoor unit has no dirty blockage or the indoor unit is still in an acceptable range at this time. At this time, the user may not be prompted to clean the air conditioner temporarily. Of course, the preset value is not limited to the above-mentioned example 0.1A. Those skilled in the art can flexibly set the specific value of the preset value in practical applications, as long as the demarcation point determined by the preset value can determine whether the air conditioner needs to be cleaned. can.
实施例二Example two
如图3所示,“根据风机电流值,选择性地提示空调器需要被清洁”的步骤具体包括:计算风机电流值相对于标准电流值的变化值;将变化值与预设值比较;根据比较结果,选择性地提示空调器需要被清洁。进一步地,“根据比较结果,选择性地提示空调器需要被清洁”的步骤包括:如果变化值大于预设值的次数达到三次,则提示空调器需要被清洁(参见步骤S316);如果变化值大于预设值的次数未达到三次,则不提示空调器需要被清洁(参见步骤S318)。具体地,上述的变化值等于标准电流值Ib与风机电流值If的差值△I。即,执行步骤S208至步骤S310,如果标准电流值Ib与风机电 流值If的差值△I大于预设值,则计数器数值N加1;或执行步骤S208至步骤S312,如果标准电流值Ib与风机电流值If的差值△I不大于预设值,则技术器数值N不变,当技术器数值N等于3时,则提示空调器需要被清洁。在一种可能的实施方式中,预设值设置为0.1A,即如果△I>0.1A,则计数器数值N加1,如果△I≤0.1A,则计数器数值N不变,当计数器数值N等于3时,则说明室内机的风机电流已经严重衰减,此时室内机的脏堵比较严重,需要提示用户对空调器进行清洁,当计数器数值N小于3时,则说明此时室内机无脏堵或者室内机的脏堵仍然在可以接受的范围内,再或者空调器之前出现了误判的情况,此时可以暂时不提示用户对空调器进行清洁。当然,预设值不限于上述示例的0.1A,本领域技术人员可以在实际应用中灵活地设置预设值的具体数值,只要通过预设值确定的分界点能够判断室内机的脏堵情况即可。As shown in FIG. 3, the step of “optionally prompting the air conditioner to be cleaned according to the fan current value” specifically includes: calculating a change value of the fan current value relative to the standard current value; comparing the change value with a preset value; Comparing the results, it is selectively prompted that the air conditioner needs to be cleaned. Further, the step of “optionally prompting the air conditioner to be cleaned according to the comparison result” includes: if the change value is greater than the preset value three times, prompting the air conditioner to be cleaned (see step S316); if the change value If the number of times greater than the preset value has not reached three times, it is not prompted that the air conditioner needs to be cleaned (see step S318). Specifically, the above-mentioned change value is equal to the difference ΔI between the standard current value Ib and the fan current value If. That is, step S208 to step S310 are performed. If the difference ΔI between the standard current value Ib and the fan current value If is greater than a preset value, the counter value N is increased by 1; or step S208 to step S312 are performed, and if the standard current value Ib and If the difference ΔI of the fan current value is not greater than the preset value, the technical device value N is unchanged. When the technical device value N is 3, it indicates that the air conditioner needs to be cleaned. In a possible implementation manner, the preset value is set to 0.1A, that is, if △ I> 0.1A, the counter value N is increased by 1, and if △ I≤0.1A, the counter value N is unchanged. When the counter value N is When it is equal to 3, it means that the fan current of the indoor unit has been seriously attenuated. At this time, the indoor unit is seriously dirty, and the user needs to be prompted to clean the air conditioner. When the counter value N is less than 3, it means that the indoor unit is not dirty at this time. The blockage or dirty blockage of the indoor unit is still within an acceptable range, or a misjudgment occurs before the air conditioner. At this time, the user may not be prompted to clean the air conditioner temporarily. Of course, the preset value is not limited to the above-mentioned example 0.1A. Those skilled in the art can flexibly set the specific value of the preset value in practical applications, as long as the boundary point determined by the preset value can determine the dirty condition of the indoor unit. can.
此外,还需要说明的是,上述的标准电流值可以在空调器出厂前进行测定,即空调器处于完全清洁的状态下,测定室内机的电机处在冷却状态时室内机的标准电流值。此外,标准电流值还可以在空调器出厂后进行测定,即空调器在使用过程中,将预设时间内获取的室内机的电机处在冷却状态时室内机的多个风机电流值中出现频次最高的电流值作为标准电流值,通过对多个风机电流值出现频次的计算和排序,来选取出现频次最高的风机电流值作为标准电流值,其中,风机电流值的采样数据可以为1000个、2000个或者其他数量,本领域技术人员可以在实际应用中灵活地设置风机电流值的采样数量。而预设时间可以是一天、一周、一个月或者其他设定的时间数值,只要从预设时间内获取的多个风机电流值能够选定出标准电流值即可,这种对预设时间具体数值的调整和改变并不偏离本发明的原理和范围,均应限定在本发明的保护范围之内。In addition, it should be noted that the above-mentioned standard current value can be measured before the air conditioner leaves the factory, that is, when the air conditioner is in a completely clean state, the standard current value of the indoor unit when the motor of the indoor unit is in a cooling state is measured. In addition, the standard current value can also be measured after the air conditioner leaves the factory. That is, during the use of the air conditioner, the frequency of multiple fan current values of the indoor unit when the motor of the indoor unit obtained in a preset time is in a cooling state appears. The highest current value is used as the standard current value. By calculating and sorting the occurrence frequency of multiple fan current values, the fan current value with the highest occurrence frequency is selected as the standard current value. Among them, the sampling data of the fan current value can be 1,000, 2000 or other numbers, those skilled in the art can flexibly set the sampling number of fan current values in practical applications. The preset time can be one day, one week, one month, or other set time value, as long as a plurality of fan current values obtained from the preset time can select a standard current value, which is specific to the preset time The adjustment and change of the values do not deviate from the principle and scope of the present invention, and should be limited to the protection scope of the present invention.
进一步优选地,“提示空调器需要被清洁”的步骤包括:将室内机上的指示灯变为预警颜色,其中,可以通过使室内机上的指示灯变为红色或者黄色来提示用户空调器需要被清洁,本领域技术人员可以在实际应用中灵活地设定指示灯的具体颜色,只要通过该颜色的选定能够提示用户需要对空调器进行清洁即可,当然,在实际应用中,还可以通过室内机上的声音装置(例如蜂鸣器、语音播报器等)发出声音来提示用户空调器需要被清洁,再或者通过指示灯和声音装置的组合共同提示用户空调器需要被清洁,本领域技术 人员可以在实际应用中灵活地设置用户对空调器进行清洁的具体提示方式,这种对提示方式的调整和改变并不偏离本发明的原理和范围,均应限定在本发明的保护范围之内。Further preferably, the step of “indicating that the air conditioner needs to be cleaned” includes: changing the indicator light on the indoor unit to a warning color, wherein the user may be prompted to change the indicator light on the indoor unit to red or yellow to indicate that the air conditioner needs to be cleaned. Those skilled in the art can flexibly set the specific color of the indicator light in actual applications, as long as the selection of the color can prompt the user to need to clean the air conditioner. Of course, in practical applications, it can also be done indoors. The sound device on the aircraft (such as a buzzer, voice announcer, etc.) emits a sound to remind the user that the air conditioner needs to be cleaned, or a combination of an indicator and a sound device reminds the user that the air conditioner needs to be cleaned. Those skilled in the art can In practical applications, the user can flexibly set a specific prompting method for cleaning the air conditioner. Such adjustment and change of the prompting method does not deviate from the principle and scope of the present invention, and should be limited to the protection scope of the present invention.
需要说明的是,当用户被提示空调器需要清洁时可以对空调器的室内机单独进行清洁,也可以对空调器的室内机和室外机同时进行清洁,因为室内机出现脏堵时也能够在一定程度上间接反馈出室外机也到了出现脏堵的时限。此外,在本发明中,对空调器具体的清洁方式可以是人工进行清洁,也可以是启动空调器的自清洁装置进行清洁。It should be noted that when the user is prompted that the air conditioner needs cleaning, the indoor unit of the air conditioner can be cleaned separately, and the indoor unit and outdoor unit of the air conditioner can be cleaned at the same time, because the indoor unit can also be cleaned when it is dirty. To some extent, the outdoor unit has indirectly feedbacked that the time limit for the dirty blockage has occurred. In addition, in the present invention, the specific cleaning method for the air conditioner may be manual cleaning or a self-cleaning device that starts the air conditioner for cleaning.
至此,已经结合附图所示的优选实施方式描述了本发明的技术方案,但是,本领域技术人员容易理解的是,本发明的保护范围显然不局限于这些具体实施方式。在不偏离本发明的原理的前提下,本领域技术人员可以对相关技术特征作出等同的更改或替换,这些更改或替换之后的技术方案都将落入本发明的保护范围之内。So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the accompanying drawings. However, those skilled in the art can easily understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or replacements to related technical features, and the technical solutions after these changes or replacements will fall within the protection scope of the present invention.

Claims (10)

  1. 一种用于空调器的控制方法,所述空调器包括室内机,其中,所述控制方法包括:A control method for an air conditioner, the air conditioner includes an indoor unit, wherein the control method includes:
    将所述室内机的断电时间与预设时间比较;Comparing the power-off time of the indoor unit with a preset time;
    如果所述断电时间大于或等于预设时间,则检测所述室内机的风机电流值;If the power-off time is greater than or equal to a preset time, detecting a fan current value of the indoor unit;
    根据所述风机电流值,选择性地提示所述空调器需要被清洁。Selectively prompting the air conditioner to be cleaned according to the fan current value.
  2. 根据权利要求1所述的控制方法,其中,“根据所述风机电流值,选择性地提示所述空调器需要被清洁”的步骤具体包括:The control method according to claim 1, wherein the step of "selectively prompting the air conditioner to be cleaned according to the current value of the fan" specifically includes:
    计算所述风机电流值相对于标准电流值的变化值;Calculating a change value of the fan current value relative to a standard current value;
    将所述变化值与预设值比较;Comparing the change value with a preset value;
    根据比较结果,选择性地提示所述空调器需要被清洁。According to the comparison result, the air conditioner is selectively prompted to be cleaned.
  3. 根据权利要求2所述的控制方法,其中,“根据比较结果,选择性地提示所述空调器需要被清洁”的步骤包括:The control method according to claim 2, wherein the step "selectively prompting said air conditioner to be cleaned according to a comparison result" includes:
    如果所述变化值大于所述预设值,则提示所述空调器需要被清洁。If the change value is greater than the preset value, it is prompted that the air conditioner needs to be cleaned.
  4. 根据权利要求3所述的控制方法,其中,“根据比较结果,选择性地提示所述空调器需要被清洁”的步骤还包括:The control method according to claim 3, wherein the step of "optionally prompting said air conditioner to be cleaned according to a comparison result" further comprises:
    如果所述变化值不大于所述预设值,则不提示所述空调器需要被清洁。If the change value is not greater than the preset value, the air conditioner is not prompted to be cleaned.
  5. 根据权利要求2所述的控制方法,其中,“根据比较结果,选择性地提示所述空调器需要被清洁”的步骤包括:The control method according to claim 2, wherein the step "selectively prompting said air conditioner to be cleaned according to a comparison result" includes:
    如果所述变化值大于所述预设值的次数达到三次,则提示所述空调器需要被清洁。If the number of times the change value is greater than the preset value reaches three times, it is prompted that the air conditioner needs to be cleaned.
  6. 根据权利要求5所述的控制方法,其中,“根据比较结果,选择性地提示所述空调器需要被清洁”的步骤还包括:The control method according to claim 5, wherein the step of "optionally prompting said air conditioner to be cleaned according to a comparison result" further comprises:
    如果所述变化值大于所述预设值的次数未达到三次,则不提示所述空调器需要被清洁。If the number of times the change value is greater than the preset value does not reach three times, the air conditioner is not prompted to be cleaned.
  7. 根据权利要求2所述的控制方法,其中,“提示所述空调器需要被清洁”的步骤包括:The control method according to claim 2, wherein the step of "indicating that the air conditioner needs to be cleaned" includes:
    将所述室内机上的指示灯变为预警颜色。Changing the indicator light on the indoor unit to a warning color.
  8. 根据权利要求7所述的控制方法,其中,所述预警颜色为红色。The control method according to claim 7, wherein the warning color is red.
  9. 根据权利要求2所述的控制方法,其中,所述变化值等于所述标准电流值与所述风机电流值的差值。The control method according to claim 2, wherein the change value is equal to a difference between the standard current value and the fan current value.
  10. 根据权利要求2所述的控制方法,其中,所述标准电流值为所述空调器出厂前进行测定的所述室内机的风机电流值。The control method according to claim 2, wherein the standard current value is a fan current value of the indoor unit measured before the air conditioner leaves the factory.
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