WO2020187242A1 - 空调器自清洁控制方法 - Google Patents

空调器自清洁控制方法 Download PDF

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WO2020187242A1
WO2020187242A1 PCT/CN2020/079939 CN2020079939W WO2020187242A1 WO 2020187242 A1 WO2020187242 A1 WO 2020187242A1 CN 2020079939 W CN2020079939 W CN 2020079939W WO 2020187242 A1 WO2020187242 A1 WO 2020187242A1
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air conditioner
control method
cleaning control
self
heat exchanger
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PCT/CN2020/079939
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English (en)
French (fr)
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于洋
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青岛海尔空调器有限总公司
海尔智家股份有限公司
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Publication of WO2020187242A1 publication Critical patent/WO2020187242A1/zh

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    • 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
    • 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
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof

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  • the invention belongs to the technical field of air conditioners, and specifically provides a self-cleaning control method for an air conditioner.
  • the air conditioner is a device that can cool/heat the room. As time goes by, the dust accumulation on the indoor unit of the air conditioner will gradually increase. When the dust accumulation reaches a certain level, a large number of bacteria will breed, especially when the indoor air flows through the room. The air conditioner needs to be cleaned in time because it will carry a lot of dust and bacteria when it is running.
  • air conditioners mostly adopt a self-cleaning method, that is, by controlling the operation of the indoor unit, the evaporator is frosted first and then defrosted, and the evaporator is cleaned by defrosting. Sometimes, self-cleaning by simply relying on frosting first and then defrosting will not completely clean up the indoor heat exchanger, especially when there are some larger dirty spider webs, it is difficult to be taken away by the defrosting water.
  • the present invention proposes a self-cleaning control method for an air conditioner to solve the above-mentioned problems.
  • the present invention proposes a self-cleaning control method for an air conditioner.
  • the air conditioner includes an indoor unit and an exhaust provided on the indoor unit.
  • the exhaust fan is used to suck out the dust on the heat exchanger of the indoor unit to the outdoors, and the blower fan is used to blow up the dust on the heat exchanger to assist the The exhaust fan sucks the dust out to the outdoors;
  • the air conditioner self-cleaning control method includes the following steps: S110: Detecting the turbidity of the condensate when the heat exchanger of the indoor unit generates condensed water S120, judging whether to start the exhaust fan and the blowing fan when the air conditioner is started next time according to the turbidity of the condensed water.
  • step S120 specifically includes: when the turbidity> a first preset value, starting the exhaust fan and the blower when the air conditioner is started next time Wind fan.
  • the air conditioner self-cleaning control method further includes: in the case of the pollution degree> the first preset value, if the pollution degree ⁇ the second preset value Value, when the air conditioner is started next time, the rotation speed of the exhaust fan is controlled to the first rotation speed, and the rotation speed of the blowing fan is controlled to the second rotation speed; wherein, the second preset value> the first preset value Set value.
  • the air conditioner self-cleaning control method further includes: when the pollution degree> a second preset value, controlling the exhaust fan when the air conditioner is started next time
  • the rotation speed of is the third rotation speed
  • the rotation speed of the blowing fan is controlled to be the fourth rotation speed; wherein, the third rotation speed>the first rotation speed, and the fourth rotation speed>the second rotation speed.
  • the air conditioner includes a condensate pipe, and the condensate generated by the indoor heat exchanger is discharged through the condensate pipe; in step S110, the condensation is detected
  • the step of water turbidity includes detecting the turbidity of the condensed water in the condensed water pipeline.
  • the air inlet of the indoor unit is provided with a cover, and the cover can open or close the air inlet of the indoor unit; the air conditioner self-cleaning control method It also includes: when the blowing fan and the exhaust fan are activated, controlling the cover to close the air inlet.
  • the air conditioner further includes a water storage cavity and a humidification module arranged in the indoor unit, and the water in the water storage cavity can be stored in the humidification module. Under the action, it is atomized into water vapor and diffused to the heat exchanger; the air conditioner self-cleaning control method further includes: starting the humidification module after the air conditioner is cleaned by dust.
  • the air conditioner self-cleaning control method further includes: before starting the humidification module, obtaining water quality information in the water storage cavity; and judging according to the water quality information Whether to start the humidification module.
  • the step of "determining whether to activate the humidification module according to the water quality information" specifically includes: when the water quality information meets a preset water quality standard, then the humidification module is activated .
  • the step of "determining whether to activate the humidification module according to the water quality information" specifically includes: when the water quality information does not meet the preset water quality standard, not starting the The humidification module sends out reminding information; wherein, the reminding information is used to remind the user to replace the water in the water storage cavity.
  • the present invention judges whether to start the exhaust fan and the blower fan when the air conditioner is started next time according to the turbidity of the condensed water, so as to accurately determine the time to vacuum and clean the heat exchanger. Further, the turbidity of the heat exchanger is judged according to the degree of condensed water turbidity, and then the speed of the air supply fan and the exhaust fan are judged according to the turbidity of the heat exchanger, so as to save energy while ensuring the dust collection effect.
  • Fig. 1 is a main flow chart of the air conditioner self-cleaning control method of the present invention.
  • the air conditioner of the present invention includes an indoor unit and an exhaust fan and a blower fan arranged on the indoor machine; the exhaust fan is used to suck out dust on the heat exchanger of the indoor unit to the outside, and the blower fan is used to remove the heat exchanger The dust on the heat exchanger is blown up to assist the exhaust fan to suck out the dust on the heat exchanger to the outside.
  • Fig. 1 is a main flowchart of the self-cleaning control method of an air conditioner of the present invention.
  • the air conditioner self-cleaning control method of the present invention includes the following steps: S110: Detect the turbidity of the condensed water when the heat exchanger of the indoor unit generates condensate; S120, according to the turbidity of the condensed water Determine whether to start the exhaust fan and the supply fan when starting the air conditioner next time. Specifically, when the pollution degree>the first preset value, the exhaust fan and the blower fan are started when the air conditioner is started next time.
  • the present invention can accurately determine the dirty degree of the indoor heat exchanger based on the turbidity of the condensed water, and then accurately determine whether to start the exhaust fan and the blower fan when the air conditioner is started next time. It should be noted here that when the air conditioner produces condensed water, it means that the heat exchanger is in a condensation state. The condensation state will cause the dust on the heat exchanger to adhere to the surface of the heat exchanger, even if the exhaust fan is activated.
  • the heat exchange can be started next time Vacuum and clean the heat exchanger (the next time it is started, the condensation on the heat exchanger is usually gone).
  • the above-mentioned first preset value can be determined by those skilled in the art according to experiments. For example, the functional relationship between the condensate turbidity and the cleanliness of the heat exchanger is obtained through experiments, and then a reasonable first preset value is determined as whether The critical value for self-cleaning of the heat exchanger.
  • the speed of the exhaust fan is controlled to the first speed when the air conditioner is started next time, and the speed of the air supply fan is controlled Is the second rotation speed; where the second preset value>the first preset value.
  • the turbidity value of the condensed water is not particularly high, indicating that the dirty and clogging of the heat exchanger is not very serious, so when the air conditioner is started next time, the speed of the exhaust fan can be set to the first speed, and the speed of the air supply fan is the second.
  • Rotating speed may be set by those skilled in the art according to actual needs.
  • the first rotation speed may also be a first speed speed of the exhaust fan
  • the second speed may also be a first speed speed of the air supply fan.
  • the speed of the exhaust fan is controlled to be the third speed
  • the speed of the air supply fan is controlled to be the fourth speed
  • the turbidity of the condensed water is high, indicating that the heat exchanger is very dirty and clogged. Therefore, when the air conditioner is started next time, the speed of the exhaust fan is the third speed, and the speed of the air supply fan is the fourth speed.
  • the third speed and the fourth speed can be set by those skilled in the art according to actual needs.
  • the third speed can also be the second speed of the exhaust fan (or other speeds higher than the first speed), and the fourth speed is also It can be the second speed (or the other first speed) of the blower fan.
  • the above-mentioned second preset value can also be determined by a person skilled in the art according to the actual situation to a reasonable value.
  • the air inlet of the indoor unit is provided with a cover, and the cover can open or close the air inlet of the indoor unit.
  • the control cover closes the air inlet, so that the heat exchanger can be cleaned in a closed environment, which can further improve the dust collection efficiency of the heat exchanger.
  • the air conditioner further includes a water storage cavity and a humidification module arranged in the indoor unit, and the water in the water storage cavity can be atomized into water vapor under the action of the humidification module and diffused to the heat exchange Device.
  • the self-cleaning control method of the air conditioner of the present invention further includes: starting the humidification module after the air conditioner is cleaned by dust to diffuse the clean water vapor on the heat exchanger of the indoor unit, which is beneficial to improve the cleanliness of the heat exchanger.
  • the water quality information in the water storage cavity is obtained; according to the water quality information, it is judged whether to start the humidification module. Specifically, when the water quality information meets the preset water quality standard, the humidification module is activated; when the water quality information does not meet the preset water quality standard, the humidification module is not activated and a reminder message is issued. Among them, the reminder information is used to remind the user to replace the water in the water storage cavity. If poor water quality is used to humidify the indoor air, it may pollute the indoor air and cause the surface of the heat exchanger to be covered with dust. Only clean water can have a better cleaning effect. Therefore, only when the water quality information meets the preset water quality standard can the humidification module humidify the indoor air to prevent indoor air pollution.

Abstract

本发明属于空调器技术领域,具体提供一种空调器自清洁控制方法。为了提高空调器的自清洁效果,本发明空调器包括室内机和设置于室内机上的排风风扇和送风风扇;排风风扇用于将室内机的换热器上的灰尘吸出到室外,送风风扇用于将换热器上的灰尘吹起以辅助排风风扇将灰尘吸出到室外;空调器自清洁控制方法包括:在室内机的换热器产生冷凝水的情形下,检测冷凝水的污浊度;根据冷凝水的污浊度判断是否在下次启动空调器时启动排风风扇和送风风扇。本发明根据冷凝水的污浊度判断是否在下次启动空调器时启动排风风扇和送风风扇,从而准确地确定对换热器进行吸尘清洁的时机。

Description

空调器自清洁控制方法 技术领域
本发明属于空调器技术领域,具体提供一种空调器自清洁控制方法。
背景技术
空调器是能够为室内制冷/制热的设备,随着时间的推移,空调器室内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。现在空调器多采用自清洁的方式,即通过控制室内机的运行,使得蒸发器先结霜、后化霜,利用化霜对蒸发器进行清洁。有时,单纯依靠先结霜、后化霜的方式进行自清洁并不会将室内换热器完全清理干净,尤其是有些较大的污浊蛛网时,很难被化霜的水带走。
因此,本发明提出了一种空调器自清洁控制方法来解决上述问题。
发明内容
为了解决现有技术中的上述问题,即为了提高空调器的自清洁效果,本发明提出了一种空调器自清洁控制方法,所述空调器包括室内机和设置于所述室内机上的排风风扇和送风风扇;所述排风风扇用于将所述室内机的换热器上的灰尘吸出到室外,所述送风风扇用于将所述换热器上的灰尘吹起以辅助所述排风风扇将所述灰尘吸出到室外;所述空调器自清洁控制方法包括下列步骤:S110、在所述室内机的换热器产生冷凝水的情形下,检测所述冷凝水的污浊度;S120、根据所述冷凝水的污浊度判断是否在下次启动所述空调器时启动所述排风风扇和所述送风风扇。
在上述空调器自清洁控制方法的优选实施方式中,步骤S120具体包括:当所述污浊度>第一预设值时,在下次启动所述空调器时启动所述排风风扇和所述送风风扇。
在上述空调器自清洁控制方法的优选实施方式中,所述空调器自清洁控制方法还包括:在所述污浊度>第一预设值的情形下,如果所述污浊度≤第二预设值,则在下次启动空调器时控制所述排风风扇的转速为第一转速,控制所述送风风扇的转速为第二转速;其中,所述第二预设值>所述第一预设值。
在上述空调器自清洁控制方法的优选实施方式中,所述空调器自清洁控制方法还包括:当所述污浊度>第二预设值时,在下次启动空调器时控制所述排风风扇的转速为第三转速,控制所述送风风扇的转速为第四转速;其中,所述第三转速>所述第一转速,所述第四转速>所述第二转速。
在上述空调器自清洁控制方法的优选实施方式中,所述空调器包括冷凝水管路,所述室内换热器产生的冷凝水经过所述冷凝水管路排出;在步骤S110中,检测所述冷凝水的污浊度的步骤包括:检测所述冷凝水管路内的冷凝水的浊度。
在上述空调器自清洁控制方法的优选实施方式中,所述室内机的进风口设置有盖板,所述盖板能够打开或关闭所述室内机的进风口;所述空调器自清洁控制方法还包括:当启动所述送风风扇和所述排风风扇时,控制所述盖板关闭所述进风口。
在上述空调器自清洁控制方法的优选实施方式中,所述空调器还包括设置于所述室内机中的储水腔和加湿模块,所述储水腔内的水能够在所述加湿模块的作用下雾化为水蒸气并扩散至所述换热器;所述空调器自清洁控制方法还包括:在所述空调器吸尘清洁结束之后,启动所述加湿模块。
在上述空调器自清洁控制方法的优选实施方式中,所述空调器自清洁控制方法还包括:在启动所述加湿模块之前,获取所述储水腔内的水质信息;根据所述水质信息判断是否启动所述加湿模块。
在上述空调器自清洁控制方法的优选实施方式中,“根据所述水质信息判断是否启动所述加湿模块”的步骤具体包括:当所述水质信息符合预设水质标准时,则启动所述加湿模块。
在上述空调器自清洁控制方法的优选实施方式中,“根据所述水质信息判断是否启动所述加湿模块”的步骤具体包括:当所述水质 信息不符合预设水质标准时,则不启动所述加湿模块并发出提醒信息;其中,所述提醒信息用于提醒用户更换所述储水腔内的水。
如果室内换热器比较脏,那么在制冷模式下产生的冷凝水也会比较脏,即冷凝水的浊度也会随着室内换热器的脏净程度而变化。因此,本发明根据冷凝水的污浊度判断是否在下次启动空调器时启动排风风扇和送风风扇,从而准确地确定对换热器进行吸尘清洁的时机。进一步,根据冷凝水污浊度的程度判断换热器的污浊度,然后根据换热器的污浊度判断送风风扇和排风风扇的转速,在保证吸尘效果的前提下节约能源。
附图说明
图1是本发明的空调器自清洁控制方法的主要流程图。
具体实施方式
为使本发明的实施例、技术方案和优点更加明显,下面将结合附图对本发明的技术方案进行清楚、完整的描述,显然,所述的实施例是本发明的一部分实施例,而不是全部实施例。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。
本发明的空调器包括室内机和设置于室内机上的排风风扇和送风风扇;排风风扇用于将室内机的换热器上的灰尘吸出到室外,送风风扇用于将换热器上的灰尘吹起以辅助排风风扇将换热器上的灰尘吸出到室外。
参照图1,图1是本发明的空调器自清洁控制方法的主要流程图。如图1所示,本发明的空调器自清洁控制方法包括下列步骤:S110、在室内机的换热器产生冷凝水的情形下,检测冷凝水的污浊度;S120、根据冷凝水的污浊度判断是否在下次启动空调器时启动排风风扇和送风风扇。具体地,当污浊度>第一预设值时,在下次启动空调器时启动排风风扇和送风风扇。本领域技术人员可以理解的是,如果室内换热器比较脏,那么在制冷模式下产生的冷凝水也会比较脏,即冷凝水的浊度也会随着室内换热器的脏净程度而变化。因此,本发明根据冷凝水的浊度可以准确地判断出室内换热器的脏净程度,进而准确地判断出是否在下 次启动空调器时启动排风风扇和送风风扇。在此需要说明的是,在空调器产生冷凝水的情形下,说明换热器处于凝露状态,凝露状态会导致换热器上的灰尘粘附在换热器表面,即使启动排风风扇和送风风扇也不容易将换热器上的灰尘吸出到室外,因此,在污浊度>第一预设值时,为了保证将换热器上的灰尘吸出到室外,可以在下次启动换热器的时候再对换热器进行吸尘清洁(下次启动的时候,换热器上的凝露通常已经散去了)。
上述的第一预设值可以由本领域技术人员根据试验确定,例如通过试验方式获取冷凝水污浊度与换热器的脏净之间的函数关系,进而确定一个合理的第一预设值作为是否对换热器进行自清洁的临界值。
优选地,在污浊度>第一预设值的情形下,如果污浊度≤第二预设值,则在下次启动空调器时控制排风风扇的转速为第一转速,控制送风风扇的转速为第二转速;其中,第二预设值>第一预设值。此时冷凝水的浊度值不是特别高,说明换热器的脏堵不是非常严重,因此可以在下次启动空调器时使排风风扇的转速为第一转速,送风风扇的转速为第二转速。该第一转速和第二转速可以由本领域技术人员根据实际需要设定,作为示例,第一转速也可以是排风风扇的一档转速,第二转速也可以是送风风扇的一档转速。
进一步,当污浊度>第二预设值时,在下次启动空调器时控制排风风扇的转速为第三转速,控制送风风扇的转速为第四转速;其中,第三转速>第一转速,第四转速>第二转速。此时冷凝水的浊度高,说明换热器的脏堵非常严重,因此可以在下次启动空调器时使排风风扇的转速为第三转速,送风风扇的转速为第四转速。该第三转速和第四转速可以由本领域技术人员根据实际需要设定,作为示例,第三转速也可以是排风风扇的二档转速(或者其他高于一档的转速),第四转速也可以是送风风扇的二档转速(或者其他一档的转速)。上述的第二预设值也由本领域技术人员根据实际情况确定一个合理的值即可。
在一种具体的实施方式中,室内机的进风口设置有盖板,盖板能够打开或关闭室内机的进风口。这样一来,当启动送风风扇和排风风扇时,控制盖板关闭进风口,使换热器在封闭的环境中进行吸尘清洁,能够进一步提高对换热器的吸尘效率。
在一种更具体的实施方式中,空调器还包括设置于室内机中的储水腔和加湿模块,储水腔内的水能够在加湿模块的作用下雾化为水蒸气并扩散至换热器。本发明的空调器自清洁控制方法还包括:在空调器吸尘清洁结束之后,启动加湿模块,使干净的水蒸气扩散的室内机的换热器上,有利于提升换热器的洁净度。
优选地,在启动加湿模块之前,获取储水腔内的水质信息;根据水质信息判断是否启动加湿模块。具体地,当水质信息符合预设水质标准时,则启动加湿模块;当水质信息不符合预设水质标准时,则不启动加湿模块并发出提醒信息。其中,该提醒信息用于提醒用户更换储水腔内的水。如果采用较差水质对室内空气进行加湿可能污染室内空气,导致换热器表面覆盖灰尘,只有用干净的水才能有更好的清洁效果。因此,只有水质信息符合预设水质标准时才利于加湿模块对室内空气进行加湿,以防止出现污染室内空气的情形。
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。

Claims (10)

  1. 一种空调器自清洁控制方法,其特征在于,所述空调器包括室内机和设置于所述室内机上的排风风扇和送风风扇;所述排风风扇用于将所述室内机的换热器上的灰尘吸出到室外,所述送风风扇用于将所述换热器上的灰尘吹起以辅助所述排风风扇将所述灰尘吸出到室外;
    所述空调器自清洁控制方法包括下列步骤:
    S110、在所述室内机的换热器产生冷凝水的情形下,检测所述冷凝水的污浊度;
    S120、根据所述冷凝水的污浊度判断是否在下次启动所述空调器时启动所述排风风扇和所述送风风扇。
  2. 根据权利要求1所述的空调器自清洁控制方法,其特征在于,步骤S120具体包括:
    当所述污浊度>第一预设值时,在下次启动所述空调器时启动所述排风风扇和所述送风风扇。
  3. 根据权利要求2所述的空调器自清洁控制方法,其特征在于,所述空调器自清洁控制方法还包括:
    在所述污浊度>第一预设值的情形下,如果所述污浊度≤第二预设值,则在下次启动空调器时控制所述排风风扇的转速为第一转速,控制所述送风风扇的转速为第二转速;
    其中,所述第二预设值>所述第一预设值。
  4. 根据权利要求3所述的空调器自清洁控制方法,其特征在于,所述空调器自清洁控制方法还包括:
    当所述污浊度>第二预设值时,在下次启动空调器时控制所述排风风扇的转速为第三转速,控制所述送风风扇的转速为第四转速;
    其中,所述第三转速>所述第一转速,所述第四转速>所述第二转速。
  5. 根据权利要求1所述的空调器自清洁控制方法,其特征在于,所 述空调器包括冷凝水管路,所述室内换热器产生的冷凝水经过所述冷凝水管路排出;在步骤S110中,检测所述冷凝水的污浊度的步骤包括:
    检测所述冷凝水管路内的冷凝水的浊度。
  6. 根据权利要求1至5中任一项所述的空调器自清洁控制方法,其特征在于,所述室内机的进风口设置有盖板,所述盖板能够打开或关闭所述室内机的进风口;
    所述空调器自清洁控制方法还包括:
    当启动所述送风风扇和所述排风风扇时,控制所述盖板关闭所述进风口。
  7. 根据权利要求6所述的空调器自清洁控制方法,其特征在于,所述空调器还包括设置于所述室内机中的储水腔和加湿模块,所述储水腔内的水能够在所述加湿模块的作用下雾化为水蒸气并扩散至所述换热器;
    所述空调器自清洁控制方法还包括:
    在所述空调器吸尘清洁结束之后,启动所述加湿模块。
  8. 根据权利要求6所述的空调器自清洁控制方法,其特征在于,所述空调器自清洁控制方法还包括:
    在启动所述加湿模块之前,获取所述储水腔内的水质信息;
    根据所述水质信息判断是否启动所述加湿模块。
  9. 根据权利要求8所述的空调器自清洁控制方法,其特征在于,“根据所述水质信息判断是否启动所述加湿模块”的步骤具体包括:
    当所述水质信息符合预设水质标准时,则启动所述加湿模块。
  10. 根据权利要求8所述的空调器自清洁控制方法,其特征在于,“根据所述水质信息判断是否启动所述加湿模块”的步骤具体包括:
    当所述水质信息不符合预设水质标准时,则不启动所述加湿模块并发出提醒信息;
    其中,所述提醒信息用于提醒用户更换所述储水腔内的水。
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