WO2016000624A1 - 用于空调导风板的保护方法和装置 - Google Patents

用于空调导风板的保护方法和装置 Download PDF

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Publication number
WO2016000624A1
WO2016000624A1 PCT/CN2015/083111 CN2015083111W WO2016000624A1 WO 2016000624 A1 WO2016000624 A1 WO 2016000624A1 CN 2015083111 W CN2015083111 W CN 2015083111W WO 2016000624 A1 WO2016000624 A1 WO 2016000624A1
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Prior art keywords
air deflector
air conditioner
air
voltage
abnormal
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Ceased
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PCT/CN2015/083111
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English (en)
French (fr)
Inventor
李秀菲
陶梦春
伍衍亮
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Publication of WO2016000624A1 publication Critical patent/WO2016000624A1/zh
Anticipated expiration legal-status Critical
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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
    • F24F11/89Arrangement or mounting of control or safety devices

Definitions

  • the present invention relates to the field of air conditioning, and in particular to a method and apparatus for protecting an air deflector of an air conditioner.
  • Air-conditioning applications are extensive, especially for cabinet air conditioners.
  • cabinet air conditioners are often used in restaurants, office locations, and the like.
  • the user in order to achieve the required use effect, the user often pulls the wind deflector up and down by hand, resulting in abnormal position of the air deflector. Due to the high temperature of the air-conditioning heating air outlet, if the position of the air deflector up and down the wind is abnormal, the air deflector with abnormal position will be subjected to high-temperature baking for a long time, resulting in the air deflector being burnt or burnt. Damaged condition.
  • a method of protecting a wind deflector for an air conditioner includes: detecting whether an abnormality occurs in a position of the air deflector on the air conditioner; and if detecting an abnormality in a position of the air deflector on the air conditioner, controlling the air conditioner to correct the position of the air deflector.
  • FIG. 1 is a schematic view of a protection device for an air deflector of an air conditioner according to an embodiment of the present invention
  • FIG. 3 is a structural diagram of a circuit for detecting whether an abnormality of a position of a wind deflector is detected by a micro switch according to an embodiment of the present invention
  • FIG. 4 is a flow chart of a method for protecting an air deflector of an air conditioner according to an embodiment of the present invention.
  • FIG. 1 is a schematic view of a protection device for an air deflector of an air conditioner according to an embodiment of the present invention.
  • the apparatus includes a detecting unit 10 and a control unit 20.
  • the detecting unit 10 can be used to detect whether an abnormality occurs in the position of the air deflector on the air conditioner.
  • the air deflector when the air conditioner is in normal operation, when the air deflector is in the open state, the position of the air deflector is normal, and when the air deflector is in the closed state, the position of the air deflector is abnormal.
  • the air deflector when the air conditioner is in normal operation, the air deflector may be closed for various reasons, for example, it may be closed due to the user's intentional pulling.
  • the air deflector when the air deflector is in an open state, it can be determined whether the air deflector is in a preset open state, and if it is determined that the air deflector is in a preset open state, it indicates that the air deflector The position is normal, and if it is determined that the air deflector is not in the preset open state, it indicates that the position of the air deflector is abnormal.
  • the air deflector may include an air deflector that sweeps up and down. Therefore, detecting whether the position of the air deflector on the air conditioner is abnormal may be detecting whether an abnormality occurs in the position of the upper and lower air deflectors on the air conditioner.
  • the position of the air deflector on the air conditioner may be abnormally detected in various manners. For example, whether the position of the air deflector on the air conditioner is abnormal may be detected by means of a temperature sensing packet sampling circuit or a micro switch circuit. .
  • the control unit 20 can be configured to control the air conditioner to correct the position of the air deflector if an abnormality in the position of the air deflector on the air conditioner is detected.
  • the air conditioning load may include a compressor, an internal fan, an external fan, a four-way valve, and the like.
  • controlling the fan stop in the air conditioner may include: determining whether the inner fan is in a stop state, and if it is determined that the inner fan is in a stop state, controlling the air conditioner to keep the inner fan stopped; if it is determined that the inner fan is in the on state, then controlling the air conditioner After the internal fan runs for a preset time, the internal fan is controlled to stop.
  • the inner fan can be controlled to stop after N seconds of low wind operation.
  • the protection device may include a reminding unit, and the reminding unit may be used to position the wind deflecting plate of the up-and-down wind before or at the same time as controlling the position of the air conditioner to correct the wind deflector. Remind when an exception occurs.
  • the position of the air deflector can be detected in real time, and the position of the wind deflecting plate of the up-and-down wind sweep is abnormal, and the position of the wind deflecting plate of the up-and-down wind sweep is automatically corrected, thereby protecting the up and down wind.
  • the air deflector prevents damage to the air deflector due to roasting or scorching.
  • the detecting unit 10 may include: a first detecting module, a first determining module, and a first determining module.
  • the first detection module can be used to detect the temperature of the evaporator coil in the air conditioner.
  • the temperature of the evaporator coil can be detected in real time by a temperature sensor disposed on the evaporator coil, or the temperature of the evaporator coil can be detected in real time using a temperature sensing sampling circuit provided with a thermistor.
  • the first determining module can be configured to determine whether the temperature of the evaporator coil in the detected air conditioner reaches a preset value. For example, it may be determined whether the temperature of the evaporator coil in the detected air conditioner is greater than or equal to a preset value, wherein if it is determined that the detected temperature of the evaporator coil in the air conditioner is greater than or equal to a preset value, determining the air deflector If the position is abnormal, if it is determined that the temperature of the evaporator coil in the detected air conditioner is less than a preset value, it is determined that the position of the air deflector is normal.
  • the first determining module may be configured to determine that the position of the air deflector is abnormal when it is determined that the detected temperature of the evaporator coil in the air conditioner reaches a preset value.
  • the function of the air conditioning execution control unit 20 can be controlled when the position of the air deflector is abnormal, and details are not described herein again.
  • the method By detecting the temperature of the evaporator coil in the air conditioner to determine whether the position of the air deflector on the air conditioner is abnormal, the method is simple, and the software algorithm performs the detection without additional cost, and can be effective. Prevent the air deflector from being burnt or burnt due to abnormal position.
  • the first detecting module may include: a detecting submodule, an acquiring submodule, a calculating submodule, and a sampling submodule.
  • the detecting submodule can be used to detect the temperature of the evaporator coil through the thermistor to obtain the resistance value of the thermistor, wherein the thermistor is disposed in the temperature sensing circuit.
  • the obtaining submodule can be used to obtain the power supply voltage of the temperature sensing circuit and the resistance value of the voltage dividing resistor, wherein the voltage dividing resistor is disposed in the temperature sensing circuit.
  • the calculation sub-module can be used to calculate the resistance value of the thermistor, the power supply voltage, and the resistance value of the voltage dividing resistor to obtain the voltage value on the voltage dividing resistor.
  • the sampling sub-module can be used to sample the voltage value on the voltage dividing resistor to obtain a voltage sampling value.
  • the temperature sensing circuit may include a thermistor RV1, a sampling circuit and a power source, wherein the power source voltage may be represented by V0, and the thermistor RV1 may be a temperature sensing package, and the first end thereof may be connected to the power source. The second end can be connected to the sampling circuit, and the thermistor RV1 can be used to detect the temperature of the evaporator coil.
  • the sampling circuit can be an A/D sampling circuit, which can provide a sampling signal for the single chip control chip, for example, it can provide a sampling voltage value or a sampling current value for the single chip control chip.
  • the sampling circuit may include a first resistor R1, a second resistor R2 and a capacitor C1, wherein the first end of the first resistor R1 is connected to the second end of the thermistor RV1, and the second end of the first resistor R1 is connected to the single chip Connected, and the first resistor R1 can be used to limit the current flowing into the microcontroller to prevent the current from being too large and burn the microcontroller.
  • the second end of the first resistor R1 is also connected to the first end of the second resistor R2, the second end of the second resistor R2 is grounded, and the second end of the second resistor R2 is connected to the first end of the capacitor C1.
  • the second resistor R2 can be a voltage dividing resistor, which can be used to divide the voltage with the thermistor RV1, and the voltage divided by the second resistor R2 can be used for sampling by the A/D sampling circuit.
  • Capacitor C1 One end is grounded at the same time, and the second end thereof is simultaneously connected with the first end of the first resistor R1 and the second end of the thermistor RV1, and the capacitor C1 can be a ceramic capacitor, and the specification can be 104(SZ)/50V. Capacitor C1 can be used for filtering.
  • the voltage value of the power supply V0 can be +5V.
  • the first determining module is further configured to determine whether the voltage sampling value is greater than or equal to the preset voltage value, wherein the first determining module is further configured to determine the wind guiding when determining that the voltage sampling value is greater than a preset voltage value
  • the position of the board is abnormal.
  • the function of the air conditioning execution control unit 20 may be controlled after determining the abnormal position of the air deflector, and details are not described herein again.
  • a micro switch is disposed on the air deflector, and the detecting unit 10 may include: a second detecting module, a second determining module, and a second determining module.
  • the second detection module can be used to detect the switching state of the micro switch.
  • the switch state may include a switch closed state and a switch open state. Since there is a switching signal in the switch when the switch is closed, and there is no switching signal in the switch when the switch is off, the switching state of the micro switch can be detected by detecting the switching signal in the switch.
  • the second determining module can be configured to determine whether the detected switch state meets the preset condition.
  • the preset condition may be that the switch is in a closed state or the switch is in an open state, so that determining whether the detected switch state satisfies the preset condition may be determining that the detected switch state is a switch closed state, or may be determining the detected switch.
  • the status is the switch open state.
  • the second determining module may be configured to determine that the position of the air deflector is abnormal when it is determined that the detected switch state meets the preset condition. And after determining that the position of the air deflector is abnormal, the function of the air conditioning execution control unit 20 can be controlled, and details are not described herein again.
  • the second determining module is further configured to determine whether the detected switch state is a closed state, where the second determining module is further configured to determine the detected switch state. When it is in the closed state, it is determined that the position of the air deflector is abnormal.
  • the micro switch circuit may include a power supply, a pull-up resistor R3, a current limiting resistor R4, a capacitor C2, and a micro switch CN.
  • the power source can be a power source having a voltage value of +5V.
  • the pull-up resistor R3 can be used to limit the voltage of the detection port A to a high level when the micro switch CN is turned off, and to limit the voltage of the detection port A to a low level when the micro switch CN is closed.
  • the first end of the pull-up resistor R3 is connected to the power supply, the second end thereof is connected to the detection port A, and is grounded through the capacitor C2, and the capacitor C2 is a filter capacitor, which can be used for filtering.
  • the first end of the current limiting resistor R4 is connected to the detecting port A, and is simultaneously connected to the capacitor C2 and the second end of the pull-up resistor R3, and the second end thereof is connected to the first end of the micro switch CN, and the current limiting The resistance of the resistor R4 can be 510 ⁇ , and the current limiting resistor R4 can be used to limit the current flowing into the microcontroller control chip to prevent the current from being damaged due to burnout caused by excessive current.
  • the second end of the micro switch CN is grounded.
  • the micro switch can be disposed in the closed position of the air deflector of the indoor unit in the air conditioning unit.
  • the micro switch CN when the air deflector is manually pulled and placed in the closed position, the micro switch CN can be closed, as shown in FIG. 3, when the micro switch CN is closed, the low level can be detected through the detecting port A, At this time, the air deflector protection measure can be performed, that is, the function of the air conditioner execution control unit 20 is controlled, and details are not described herein again.
  • the control unit 20 may include: a reset module and a control module.
  • the reset module can be used to perform a reset process on the air deflector by controlling the load stop in the air conditioner.
  • the control module can be used to control the air deflector to operate according to a preset state after the air deflector is reset by controlling the load.
  • the air conditioner when the air conditioner is running, if it is detected that the air deflector is closed, or if the air deflector is not in the preset open state, it is determined that the air deflector position is abnormal, and the air conditioner is controlled by a controller (such as a single chip microcomputer). The deflector is corrected from the abnormal position to the normal position. If the air deflector is closed, the air conditioner is controlled to correct the air deflector from the closed state to the open state.
  • a controller such as a single chip microcomputer
  • the air deflector can be corrected from the closed state to the preset open state, and the preset open state can be The default open state, or it may be the operating state of the air deflector before the position is abnormal, or the user's reset open state; if the air deflector is open, and the current open state is not the preset open state Then, the air conditioner is controlled to correct the air deflector from the current open state to the preset open state.
  • the preset open state can be The default open state, or it may be the operating state of the air deflector before the position is abnormal, or the user's reset open state; if the air deflector is open, and the current open state is not the preset open state Then, the air conditioner is controlled to correct the air deflector from the current open state to the preset open state.
  • the air conditioner can be used to correct the position of the air deflector by the following steps: First, if an abnormality occurs in the position of the air deflector on the air conditioner, the air conditioner load can be stopped, thereby controlling the ups and downs. The air deflector is reset; then, after the upper and lower wind deflectors are reset, the air conditioning load can be restarted, and the upper and lower wind deflectors are controlled to operate according to the preset open state described above.
  • the air conditioning load may include a compressor, an internal fan, an external fan, a four-way valve, and the like.
  • controlling the fan shutdown in the air conditioner may include: determining whether the inner fan is stopped. State, if it is determined that the internal fan is in the stop state, the air conditioner is controlled to keep the internal fan stopped; if it is determined that the internal fan is in the on state, the air conditioner is controlled to stop after the internal fan operates for a preset time. For example, the inner fan can be controlled to stop after N seconds of low wind operation.
  • the protection method for the air-conditioning deflector provided by the embodiment of the present invention can be performed by the protection device for the air-conditioning deflector according to the embodiment of the present invention.
  • the protection device of the panel can also be used to perform the protection method for the air conditioning deflector of the embodiment of the present invention.
  • FIG. 4 is a flow chart of a method for protecting an air deflector of an air conditioner according to an embodiment of the present invention.
  • the method includes the following steps S402 to S404:
  • Step S402 detecting whether an abnormality occurs in the position of the air deflector on the air conditioner.
  • the air deflector when the air deflector is in an open state, it can be determined whether the air deflector is in a preset open state, and if it is determined that the air deflector is in a preset open state, it indicates that the air deflector The position is normal, and if it is determined that the air deflector is not in the preset open state, it indicates that the position of the air deflector is abnormal.
  • the position of the air deflector on the air conditioner may be abnormally detected in various manners. For example, whether the position of the air deflector on the air conditioner is abnormal may be detected by means of a temperature sensing packet sampling circuit or a micro switch circuit. .
  • step S404 if it is detected that the position of the air deflector on the air conditioner is abnormal, the air conditioner is controlled to correct the position of the air deflector.
  • the air conditioner when the air conditioner is running, if it is detected that the air deflector is closed, or if the air deflector is not in the preset open state, it is determined that the air deflector position is abnormal, and the air conditioner is controlled by a controller (such as a single chip microcomputer). The deflector is corrected from the abnormal position to the normal position.
  • a controller such as a single chip microcomputer
  • the air conditioner is controlled to correct the air deflector from the closed state to the open state, and specifically, the air deflector can be corrected from the closed state to the preset open state
  • the preset open state may be a default open state, or it may be an operating state of the wind deflector before the position is abnormal, or an open state reset by the user; if the air deflector is open and the current open state The state is not a preset open state, and the air conditioner is controlled to correct the air deflector from the current open state to the preset open state.
  • the air conditioner can be used to correct the position of the air deflector by the following steps: First, if an abnormality occurs in the position of the air deflector on the air conditioner, the air conditioner load can be stopped, thereby controlling the ups and downs. The air deflector is reset; then, after the upper and lower wind deflectors are reset, the air conditioning load can be restarted, and the upper and lower wind deflectors are controlled to operate according to the preset open state described above.
  • the air conditioning load may include a compressor, an internal fan, an external fan, a four-way valve, and the like.
  • controlling the fan stop in the air conditioner may include: determining whether the inner fan is in a stop state, and if it is determined that the inner fan is in a stop state, controlling the air conditioner to keep the inner fan stopped; if it is determined that the inner fan is in the on state, then controlling the air conditioner After the internal fan runs for a preset time, the internal fan is controlled to stop.
  • the inner fan can be controlled to stop after N seconds of low wind operation.
  • the temperature of the evaporator coil can be detected in real time by a temperature sensor disposed on the evaporator coil, or the temperature of the evaporator coil can be detected in real time using a temperature sensing sampling circuit provided with a thermistor.
  • S4 Determine whether the temperature of the evaporator coil in the detected air conditioner reaches a preset value. For example, it may be determined whether the temperature of the evaporator coil in the detected air conditioner is greater than or equal to a preset value, wherein if it is determined that the detected temperature of the evaporator coil in the air conditioner is greater than or equal to a preset value, determining the air deflector If the position is abnormal, if it is determined that the temperature of the evaporator coil in the detected air conditioner is less than a preset value, it is determined that the position of the air deflector is normal.
  • the detecting the temperature of the evaporator coil in the air conditioner in step S2 may include:
  • the preset voltage value may be represented by V2, wherein when V1 ⁇ V2, the position of the air deflector may be abnormal, and the air deflector protection may be performed, that is, the air conditioner is controlled to perform step S404, and details are not described herein again.
  • V1 ⁇ V2 no processing can be performed, that is, the air conditioner is controlled to operate normally.
  • the air conditioning load may include a compressor, an internal fan, an external fan, a four-way valve, and the like.
  • controlling the fan stop in the air conditioner may include: determining whether the inner fan is in a stop state, and if it is determined that the inner fan is in a stop state, controlling the air conditioner to keep the inner fan stopped; if it is determined that the inner fan is in the on state, then controlling the air conditioner After the internal fan runs for a preset time, the internal fan is controlled to stop.
  • the inner fan can be controlled to stop after N seconds of low wind operation.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
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Abstract

一种用于空调导风板的保护方法,包括:检测空调上的导风板的位置是否发生异常;以及如果检测出空调上的导风板的位置发生异常,则控制空调纠正导风板的位置。还公开了一种用于空调导风板的保护装置。该方法及装置解决了导风板容易损坏的问题。

Description

用于空调导风板的保护方法和装置 技术领域
本发明涉及空调领域,具体而言,涉及一种用于空调导风板的保护方法和装置。
背景技术
空调的应用场所很广泛,尤其是柜式空调的应用场所更广泛。例如,柜式空调经常应用在餐馆、办公场所等等。在有些应用场所,用户为了达到所需要的使用效果,经常会用手扳动上下扫风的导风板,从而导致导风板位置异常。由于空调制热出风温度较高,如果上下扫风的导风板位置异常,则会导致位置异常的导风板长时间经受高温烘烤,从而出现导风板因烤坏或烧焦而导致损坏的情况。
针对相关技术中导风板容易损坏的问题,目前尚未提出有效的解决方案。
发明内容
本发明的主要目的在于提供一种用于空调导风板的保护方法和装置,以解决相关技术中导风板容易损坏的问题。
为了实现上述目的,根据本发明的一个方面,提供了一种用于空调导风板的保护方法。该方法包括:检测空调上的导风板的位置是否发生异常;以及如果检测出空调上的导风板的位置发生异常,则控制空调纠正导风板的位置。
为了实现上述目的,根据本发明的另一方面,提供了一种用于空调导风板的保护装置。该装置包括:种用于空调导风板的保护装置,其特征在于,包括:检测单元,用于检测空调上的导风板的位置是否发生异常;以及控制单元,用于如果检测出空调上的导风板的位置发生异常,则控制空调纠正导风板的位置。
通过本发明,采用检测空调上的导风板的位置是否发生异常;以及如果检测出空调上的导风板的位置发生异常,则控制空调纠正导风板的位置,由于在导风板的位置出现异常时,可以及时纠正导风板的位置为正常位置,从而可以避免导风板由于位置异常而被长时间高温烘烤,解决了相关技术中导风板容易损坏的问题,进而达到了防止导风板因烤坏或烧焦而导致损坏的效果。
附图说明
构成本申请的一部分的附图用来提供对本发明的进一步理解,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1是根据本发明实施例的用于空调导风板的保护装置的示意图;
图2是根据本发明实施例的检测蒸发器盘管的温度的电路的结构图;
图3是根据本发明实施例的利用微动开关检测导风板位置是否异常的电路的结构图;以及
图4是根据本发明实施例的用于空调导风板的保护方法的流程图。
具体实施方式
需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。
为了使本领域的技术人员更好的理解本发明方案,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例仅仅是本发明一部分的实施例,而不是全部的实施例。基于本发明中的实施例,在本领域普通技术人员没有做出创造性劳动前提下所获得的所有其他实施例,都应当属于本发明的保护范围。
需要说明的是,本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换,以便这里描述的本发明的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外,术语“包括”和“具有”以及他们的任何变形,意图在于覆盖不排他的包含。
根据本发明的实施例,提供了一种用于空调导风板的保护装置,该用于空调导风板的保护装置用于检测导风板的位置是否异常,以及在检测出导风板的位置异常时,及时纠正导风板的位置为正常位置,以防止导风板因为位置异常被烤坏或烧焦而导致损坏。
图1是根据本发明实施例的用于空调导风板的保护装置的示意图。
如图1所示,该装置包括:检测单元10和控制单元20。
检测单元10可以用于检测空调上导风板的位置是否发生异常。
需要说明的是,在空调正常运行时,当导风板处在打开状态,则表明导风板的位置正常,而当导风板处在闭合状态,则表明导风板的位置异常。其中,在空调正常运行时,导风板可能会由于多种原因而闭合,例如,其可以由于用户故意扳动而闭合。作为优选的实施例,在导风板处在打开状态时,可以判断导风板是否处在预设的打开状态,如果判断出导风板处在预设的打开状态,则表明导风板的位置正常,而如果判断出导风板未处在预设的打开状态,则表明导风板的位置异常。
在本发明实施例中,导风板可以包括上下扫风的导风板,这样,检测空调上导风板的位置是否发生异常可以是检测空调上的上下导风板的位置是否发生异常。
其中,可以通过多种方式检测空调上导风板的位置是否发生异常,例如,可以通过感温包采样电路的方式或者采用微动开关电路的方式来检测空调上导风板的位置是否发生异常。
控制单元20可以用于如果检测出空调上导风板的位置发生异常,则控制空调纠正导风板的位置。
需要说明的是,在本发明实施例中,空调负载可以包括压缩机、内风机、外风机和四通阀等。以内风机为例,控制空调内风机停机可以包括:判断内风机是否为停机状态,如果判断出内风机为停机状态,则控制空调保持内风机停机;如果判断出内风机为开机状态,则控制空调在内风机运行预设时间之后,控制内风机停机。例如,可以控制内风机在低风运行N秒之后停机。
作为优选的实施例,在本发明实施例中,该保护装置可以包括提醒单元,该提醒单元可以用于在控制空调纠正导风板的位置之前或者同时,在上下扫风的导风板出现位置异常时进行提醒。
通过本发明实施例,可以实时检测导风板的位置,并在上下扫风的导风板出现位置异常时进行提醒,并自动纠正上下扫风的导风板的位置,从而可以保护上下扫风的导风板,防止导风板因烤坏或烧焦而导致损坏。
作为优选的实施例,在本发明实施例中,检测单元10可以包括:第一检测模块、第一判断模块和第一确定模块。
第一检测模块可以用于检测空调中蒸发器盘管的温度。例如,可以通过设置在蒸发器盘管上的温度传感器来实时检测蒸发器盘管的温度,或者可以采用设置有热敏电阻的感温采样电路来实时检测蒸发器盘管的温度。
第一判断模块可以用于判断检测到的空调中蒸发器盘管的温度是否达到预设值。例如,可以判断检测到的空调中蒸发器盘管的温度是否大于等于预设值,其中,如果判断出检测到的空调中蒸发器盘管的温度大于等于预设值,则确定导风板的位置异常,如果判断出检测到的空调中蒸发器盘管的温度小于预设值,则确定导风板的位置正常。
第一确定模块可以用于在判断出检测到的空调中蒸发器盘管的温度达到预设值时,确定导风板的位置异常。其中,在确定导风板的位置异常时,可以控制空调执行控制单元20的功能,在此不再赘述。
通过本发明实施例,通过检测空调中的蒸发器盘管的温度来确定空调上导风板的位置是否发生异常不仅方法简单,而且通过软件算法进行检测,无需额外增加太多成本,并且可以有效地防止导风板因为位置异常而烤坏或者烤焦。
作为优选的实施例,在本发明实施例中,第一检测模块可以包括:检测子模块、获取子模块、计算子模块和采样子模块。
检测子模块可以用于通过热敏电阻检测蒸发器盘管的温度,得到热敏电阻的电阻值,其中,热敏电阻设置在感温电路中。获取子模块可以用于获取感温电路的电源电压和分压电阻的电阻值,其中,分压电阻设置在感温电路中。计算子模块可以用于根据热敏电阻的电阻值、电源电压和分压电阻的电阻值进行计算,得到分压电阻上的电压值。采样子模块可以用于对分压电阻上的电压值进行采样,得到电压采样值。
如图2所示,感温电路可以包括热敏电阻RV1、采样电路和电源,其中,电源电压可以用V0表示,热敏电阻RV1可以为感温包,其第一端可以与电源相连接,其第二端可以与采样电路相连接,热敏电阻RV1可以用于检测蒸发器盘管的温度。采样电路可以为A/D采样电路,其可以为单片机控制芯片提供采样信号,例如,其可以为单片机控制芯片提供采样电压值或者采样电流值等。该采样电路可以包括第一电阻R1、第二电阻R2和电容C1,其中,第一电阻R1的第一端与热敏电阻RV1的第二端相连接,第一电阻R1的第二端与单片机相连接,并且第一电阻R1可以用于限制流入单片机中的电流,以防止电流过大,将单片机烧坏。第一电阻R1的第二端还与第二电阻R2的第一端相连接,第二电阻R2的第二端接地,且第二电阻R2的第二端与电容C1的第一端相连接,并且第二电阻R2可以为分压电阻,其可以用于与热敏电阻RV1进行分压,并且第二电阻R2上分的电压可以用于A/D采样电路进行采样。电容C1的第 一端同时接地,且其第二端同时与第一电阻R1的第一端和热敏电阻RV1的第二端相连接,并且电容C1可以为瓷片电容,其规格可以为104(S.Z)/50V,电容C1可以用于滤波。电源V0的电压值可以为+5V。
具体地,基于图2所示的感温电路A/D采样电路采集到的电压V1可以表示为V1=V0*R2/(R2+R1)。
相应的,第一判断模块还可以用于判断电压采样值是否大于等于预设电压值,其中,第一确定模块还可以用于在判断出电压采样值大于等预设电压值时,确定导风板的位置异常。其中,在确定导风板的位置异常之后,可以控制空调执行控制单元20的功能,在此不再赘述。
例如,可以用V2表示预设电压值,其中,当V1≥V2,可以确定导风板的位置异常,并且可以执行导风板保护,即,可以控制空调执行控制单元20的功能,在此不再赘述。当V1<V2,可以不做任何处理,即,控制空调正常运行。
作为优选的实施例,在本发明实施例中,在导风板上设置有微动开关,检测单元10可以包括:第二检测模块、第二判断模块和第二确定模块。
第二检测模块可以用于检测微动开关的开关状态。其中,开关状态可以包括开关闭合状态和开关断开状态。由于在开关闭合时,开关中存在开关信号,而在开关断开时,开关中不存在开关信号,因此可以通过检测开关中的开关信号来检测微动开关的开关状态。
第二判断模块可以用于判断检测到的开关状态是否满足预设条件。预设条件可以是开关为闭合状态或者开关为断开状态,这样,判断检测到的开关状态是否满足预设条件可以为判断检测到的开关状态为开关闭合状态,或者可以为判断检测到的开关状态为开关断开状态。
第二确定模块可以用于在判断出检测到的开关状态满足预设条件时,确定导风板的位置异常。并且在确定导风板的位置异常之后,可以控制空调执行控制单元20的功能,在此不再赘述。
作为优选的实施例,在本发明实施例中,第二判断模块还可以用于判断检测到的开关状态是否为闭合状态,其中,第二确定模块还可以用于在判断出检测到的开关状态为闭合状态时,确定导风板的位置异常。
例如,如图3所示,该微动开关电路可以包括电源、上拉电阻R3、限流电阻R4、电容C2和微动开关CN。其中还,电源可以是电压值为+5V的电源。上拉电阻R3可以用于在微动开关CN断开时,将检测口A的电压限定为高电平,在微动开关CN闭合时,将检测口A的电压限定为低电平。上拉电阻R3的第一端与电源相连接,其第二端与检测口A相连接,并且通过电容C2接地,电容C2为滤波电容,其可以用于滤波。限流电阻R4的第一端与检测口A相连接,并且同时与电容C2以及上拉电阻R3的第二端相连接,其第二端与微动开关CN的第一端相连接,限流电阻R4的阻值可以为510Ω,并且限流电阻R4可以用于限制流入单片机控制芯片的电流,以防止电流过大造成单片机因烧毁而损坏。微动开关CN的第二端接地。
具体地,可以将微动开关设置在空调机组中室内机的导风板的闭合位置。其中,当导风板被人为扳动而置于闭合位置时,微动开关CN可以闭合,如附图3所示,当微动开关CN闭合时,可以通过检测口A检测到低电平,此时可以执行导风板保护措施,即,控制空调执行控制单元20的功能,在此不再赘述。
作为优选的实施例,在本发明实施例中,在前述的任一保护装置中,控制单元20可以包括:复位模块和控制模块。复位模块可以用于通过控制空调中的负载停机对导风板执行复位处理。控制模块可以用于在导风板复位之后,通过控制负载重启控制导风板按预设状态运行。
例如,在空调运行时,如果检测到导风板闭合,或者检测到导风板未处在预设的打开状态上,则确定导风板位置异常,同时通过控制器(如单片机)控制空调将导风板由异常位置纠正为正常位置。其中,如果导风板闭合,则控制空调将导风板由闭合状态纠正为打开状态,具体地,可以将导风板由闭合状态纠正为预设的打开状态,该预设的打开状态可以是默认的打开状态,或者其可以是导风板在位置异常之前的运行状态,或者是用户重新设定的打开状态;如果导风板处在打开状态,并且当前的打开状态不是预设的打开状态,则控制空调将导风板由当前的打开状态纠正为预设的打开状态。
其中,在本发明实施例中,可以通过以下步骤控制空调纠正导风板的位置:首先,如果检测出空调上导风板的位置发生异常,则可以控制空调负载停机,从而达到控制上下扫风导风板复位;然后,在上下扫风导风板复位之后,可以控制空调负载重启,并且控制上下扫风导风板按照前述的预设的打开状态运行。
需要说明的是,在本发明实施例中,空调负载可以包括压缩机、内风机、外风机和四通阀等。以内风机为例,控制空调内风机停机可以包括:判断内风机是否为停机 状态,如果判断出内风机为停机状态,则控制空调保持内风机停机;如果判断出内风机为开机状态,则控制空调在内风机运行预设时间之后,控制内风机停机。例如,可以控制内风机在低风运行N秒之后停机。
根据本发明的实施例,提供了一种用于空调导风板的保护方法,该用于空调导风板的保护方法用于检测导风板的位置是否异常,以及在检测出导风板的位置异常时,及时纠正导风板的位置为正常位置,以防止导风板因为位置异常被烤坏或烧焦而导致损坏。需要说明的是,本发明实施例所提供的用于空调导风板的保护方法可以通过本发明实施例的用于空调导风板的保护装置来执行,本发明实施例的用于空调导风板的保护装置也可以用于执行本发明实施例的用于空调导风板的保护方法。
图4是根据本发明实施例的用于空调导风板的保护方法的流程图。
如图4所示,该方法包括如下的步骤S402至步骤S404:
步骤S402,检测空调上导风板的位置是否发生异常。
需要说明的是,在空调正常运行时,当导风板处在打开状态,则表明导风板的位置正常,而当导风板处在闭合状态,则表明导风板的位置异常。其中,在空调正常运行时,导风板可能会由于多种原因而闭合,例如,其可以由于用户故意扳动而闭合。作为优选的实施例,在导风板处在打开状态时,可以判断导风板是否处在预设的打开状态,如果判断出导风板处在预设的打开状态,则表明导风板的位置正常,而如果判断出导风板未处在预设的打开状态,则表明导风板的位置异常。
在本发明实施例中,导风板可以包括上下扫风的导风板,这样,检测空调上导风板的位置是否发生异常可以是检测空调上的上下导风板的位置是否发生异常。
其中,可以通过多种方式检测空调上导风板的位置是否发生异常,例如,可以通过感温包采样电路的方式或者采用微动开关电路的方式来检测空调上导风板的位置是否发生异常。
步骤S404,如果检测出空调上导风板的位置发生异常,则控制空调纠正导风板的位置。
例如,在空调运行时,如果检测到导风板闭合,或者检测到导风板未处在预设的打开状态上,则确定导风板位置异常,同时通过控制器(如单片机)控制空调将导风板由异常位置纠正为正常位置。其中,如果导风板闭合,则控制空调将导风板由闭合状态纠正为打开状态,具体地,可以将导风板由闭合状态纠正为预设的打开状态,该 预设的打开状态可以是默认的打开状态,或者其可以是导风板在位置异常之前的运行状态,或者是用户重新设定的打开状态;如果导风板处在打开状态,并且当前的打开状态不是预设的打开状态,则控制空调将导风板由当前的打开状态纠正为预设的打开状态。
其中,在本发明实施例中,可以通过以下步骤控制空调纠正导风板的位置:首先,如果检测出空调上导风板的位置发生异常,则可以控制空调负载停机,从而达到控制上下扫风导风板复位;然后,在上下扫风导风板复位之后,可以控制空调负载重启,并且控制上下扫风导风板按照前述的预设的打开状态运行。
需要说明的是,在本发明实施例中,空调负载可以包括压缩机、内风机、外风机和四通阀等。以内风机为例,控制空调内风机停机可以包括:判断内风机是否为停机状态,如果判断出内风机为停机状态,则控制空调保持内风机停机;如果判断出内风机为开机状态,则控制空调在内风机运行预设时间之后,控制内风机停机。例如,可以控制内风机在低风运行N秒之后停机。
作为优选的实施例,在本发明实施例中,在控制空调纠正导风板的位置之前或者同时,可以在上下扫风的导风板出现位置异常时进行提醒。
通过本发明实施例,可以实时检测导风板的位置,并在上下扫风的导风板出现位置异常时进行提醒,并自动纠正上下扫风的导风板的位置,从而可以保护上下扫风的导风板,防止导风板因烤坏或烧焦而导致损坏。
作为优选的实施例,在本发明实施例中,可以通过检测空调中的蒸发器盘管的温度来确定空调上导风板的位置是否发生异常。具体地,步骤S402检测空调上导风板的位置是否发生异常可以包括如下步骤:
S2,检测空调中蒸发器盘管的温度。例如,可以通过设置在蒸发器盘管上的温度传感器来实时检测蒸发器盘管的温度,或者可以采用设置有热敏电阻的感温采样电路来实时检测蒸发器盘管的温度。
S4,判断检测到的空调中蒸发器盘管的温度是否达到预设值。例如,可以判断检测到的空调中蒸发器盘管的温度是否大于等于预设值,其中,如果判断出检测到的空调中蒸发器盘管的温度大于等于预设值,则确定导风板的位置异常,如果判断出检测到的空调中蒸发器盘管的温度小于预设值,则确定导风板的位置正常。
S6,如果判断出检测到的空调中蒸发器盘管的温度达到预设值,则确定导风板的位置异常。其中,在确定导风板的位置异常时,可以控制空调执行前述的步骤S404,在此不再赘述。
通过本发明实施例,通过检测空调中的蒸发器盘管的温度来确定空调上导风板的位置是否发生异常不仅方法简单,而且通过软件算法进行检测,无需额外增加太多成本,并且可以有效地防止导风板因为位置异常而烤坏或者烤焦。
作为优选的实施例,在本发明实施例中,步骤S2检测空调中蒸发器盘管的温度可以包括:
S22,通过热敏电阻检测蒸发器盘管的温度,得到热敏电阻的电阻值,其中,热敏电阻设置在感温电路中。
S24,获取感温电路的电源电压和分压电阻的电阻值,其中,分压电阻设置在感温电路中。
S26,根据热敏电阻的电阻值、电源电压和分压电阻的电阻值进行计算,得到分压电阻上的电压值。
S28,对分压电阻上的电压值进行采样,得到电压采样值。
如图2所示,感温电路可以包括热敏电阻RV1、采样电路和电源,其中,电源D电压可以用V0表示,热敏电阻RV1可以为感温包,其第一端可以与电源相连接,其第二端可以与采样电路相连接,热敏电阻RV1可以用于检测蒸发器盘管的温度。采样电路可以为A/D采样电路,其可以为单片机控制芯片提供采样信号,例如,其可以为单片机控制芯片提供采样电压值或者采样电流值等。该采样电路可以包括第一电阻R1、第二电阻R2和电容C1,其中,第一电阻R1的第一端与热敏电阻RV1的第二端相连接,第一电阻R1的第二端与单片机相连接,并且第一电阻R1可以用于限制流入单片机中的电流,以防止电流过大,将单片机烧坏。第一电阻R1的第二端还与第二电阻R2的第一端相连接,第二电阻R2的第二端接地,且第二电阻R2的第二端与电容C1的第一端相连接,并且第二电阻R2可以为分压电阻,其可以用于与热敏电阻RV1进行分压,并且第二电阻R2上分的电压可以用于A/D采样电路进行采样。电容C1的第一端同时接地,且其第二端同时与第一电阻R1的第一端和热敏电阻RV1的第二端相连接,并且电容C1可以为瓷片电容,其规格可以为104(S.Z)/50V,电容C1可以用于滤波。电源V0的电压值可以为+5V。
具体地,基于图2所示的感温电路A/D采样电路采集到的电压V1可以表示为V1=V0*R2/(R2+R1)。
相应地,步骤S4判断检测到的空调中蒸发器盘管的温度是否达到预设值可以包括:判断电压采样值是否大于等于预设电压值,其中,如果判断出电压采样值大于等预设电压值,则确定导风板的位置异常。其中,在确定导风板的位置异常之后,可以控制空调执行步骤S402,在此不再赘述。
例如,可以用V2表示预设电压值,其中,当V1≥V2,可以确定导风板的位置异常,并且可以执行导风板保护,即,控制空调执行步骤S404,在此不再赘述。当V1<V2,可以不做任何处理,即,控制空调正常运行。
作为优选的实施例,在本发明实施例中,可以利用微动开关电路检测空调上的导风板的位置是否发生异常。具体地,步骤S402检测空调上导风板的位置是否发生异常可以包括如下步骤:
S8,检测微动开关的开关状态。其中,开关状态可以包括开关闭合状态和开关断开状态。由于在开关闭合时,开关中存在开关信号,而在开关断开时,开关中不存在开关信号,因此可以通过检测开关中的开关信号来检测微动开关的开关状态。
S10,判断检测到的开关状态是否满足预设条件。预设条件可以是开关为闭合状态或者开关为断开状态,这样,判断检测到的开关状态是否满足预设条件可以为判断检测到的开关状态为开关闭合状态,或者可以为判断检测到的开关状态为开关断开状态。
S12,如果判断出检测到的开关状态满足预设条件,则确定导风板的位置异常。并且在确定导风板的位置异常之后,可以控制空调执行步骤S404,在此不再赘述。
作为优选的实施例,S10判断检测到的开关状态是否满足预设条件可以包括:判断检测到的开关状态是否为闭合状态,其中,如果判断出检测到的开关状态为闭合状态,则确定导风板的位置异常。
例如,如图3所示,该微动开关电路可以包括电源、上拉电阻R3、限流电阻R4、电容C2和微动开关CN。其中还,电源可以是电压值为+5V的电源。上拉电阻R3可以用于在微动开关CN断开时,将检测口A的电压限定为高电平,在微动开关CN闭合时,将检测口A的电压限定为低电平。上拉电阻R3的第一端与电源相连接,其第二端与检测口A相连接,并且通过电容C2接地,电容C2为滤波电容,其可以用于滤波。限流电阻R4的第一端与检测口A相连接,并且同时与电容C2以及上拉电阻R3 的第二端相连接,其第二端与微动开关CN的第一端相连接,限流电阻R4的阻值可以为510Ω,并且限流电阻R4可以用于限制流入单片机控制芯片的电流,以防止电流过大造成单片机因烧毁而损坏。微动开关CN的第二端接地。
具体地,可以将微动开关设置在空调机组中室内机的导风板的闭合位置。其中,当导风板被人为扳动而置于闭合位置时,微动开关CN可以闭合,如附图3所示,当微动开关CN闭合时,可以通过检测口A检测到低电平,此时可以执行导风板保护措施,即,控制空调执行步骤S404,在此不再赘述。
作为优选的实施例,在本发明实施例中,在前述的任一保护方法中,控制空调纠正导风板的位置可以包括:
S14,通过控制空调中的负载停机对导风板执行复位处理。
S16,在导风板复位之后,通过控制负载重启控制导风板按预设状态运行。
例如,在空调运行时,如果检测到导风板闭合,或者检测到导风板未处在预设的打开状态上,则确定导风板位置异常,同时通过控制器(如单片机)控制空调将导风板由异常位置纠正为正常位置。其中,如果导风板闭合,则控制空调将导风板由闭合状态纠正为打开状态,具体地,可以将导风板由闭合状态纠正为预设的打开状态,该预设的打开状态可以是默认的打开状态,或者其可以是导风板在位置异常之前的运行状态,或者是用户重新设定的打开状态;如果导风板处在打开状态,并且当前的打开状态不是预设的打开状态,则控制空调将导风板由当前的打开状态纠正为预设的打开状态。
其中,在本发明实施例中,可以通过以下步骤控制空调纠正导风板的位置:首先,如果检测出空调上导风板的位置发生异常,则可以控制空调负载停机,从而达到控制上下扫风导风板复位;然后,在上下扫风导风板复位之后,可以控制空调负载重启,并且控制上下扫风导风板按照前述的预设的打开状态运行。
需要说明的是,在本发明实施例中,空调负载可以包括压缩机、内风机、外风机和四通阀等。以内风机为例,控制空调内风机停机可以包括:判断内风机是否为停机状态,如果判断出内风机为停机状态,则控制空调保持内风机停机;如果判断出内风机为开机状态,则控制空调在内风机运行预设时间之后,控制内风机停机。例如,可以控制内风机在低风运行N秒之后停机。
需要说明的是,在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行,并且,虽然在流程图中示出了逻辑顺序,但是在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤。
显然,本领域的技术人员应该明白,上述的本发明的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样,本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (12)

  1. 一种用于空调导风板的保护方法,其中,包括:
    检测空调上的导风板的位置是否发生异常;以及
    如果检测出所述空调上的所述导风板的位置发生异常,则控制所述空调纠正所述导风板的位置。
  2. 根据权利要求1所述的保护方法,检测空调上的导风板的位置是否发生异常包括:
    检测所述空调中蒸发器盘管的温度;
    判断检测到的所述空调中所述蒸发器盘管的温度是否达到预设值;以及
    如果判断出检测到的所述空调中所述蒸发器盘管的温度达到所述预设值,则确定所述导风板的位置异常。
  3. 根据权利要求2所述的保护方法,
    检测所述空调中蒸发器盘管的温度包括:通过热敏电阻检测所述蒸发器盘管的温度,得到所述热敏电阻的电阻值,其中,所述热敏电阻设置在感温电路中;获取所述感温电路的电源电压和分压电阻的电阻值,其中,所述分压电阻设置在所述感温电路中;根据所述热敏电阻的电阻值、所述电源电压和所述分压电阻的电阻值进行计算,得到所述分压电阻上的电压值;对所述分压电阻上的所述电压值进行采样,得到电压采样值,
    判断检测到的所述空调中所述蒸发器盘管的温度是否达到预设值包括:判断所述电压采样值是否大于等于预设电压值,
    其中,如果判断出所述电压采样值大于等所述预设电压值,则确定所述导风板的位置异常。
  4. 根据权利要求1所述的保护方法,在所述导风板上设置有微动开关,检测空调上的导风板的位置是否发生异常包括:
    检测所述微动开关的开关状态;
    判断检测到的所述开关状态是否满足预设条件;以及
    如果判断出检测到的所述开关状态满足所述预设条件,则确定所述导风板的位置异常。
  5. 根据权利要求4所述的保护方法,判断检测到的所述开关状态是否满足预设条件包括:
    判断检测到的所述开关状态是否为闭合状态,
    其中,如果判断出检测到的所述开关状态为所述闭合状态,则确定所述导风板的位置异常。
  6. 根据权利要求1至5中任一项所述的保护方法,控制所述空调纠正所述导风板的位置包括:
    通过控制所述空调中的负载停机对所述导风板执行复位处理;以及
    在所述导风板复位之后,通过控制所述负载重启控制所述导风板按预设状态运行。
  7. 一种用于空调导风板的保护装置,其中,包括:
    检测单元,用于检测空调上的导风板的位置是否发生异常;以及
    控制单元,用于如果检测出所述空调上的所述导风板的位置发生异常,则控制所述空调纠正所述导风板的位置。
  8. 根据权利要求7所述的保护装置,所述检测单元包括:
    第一检测模块,用于检测所述空调中蒸发器盘管的温度;
    第一判断模块,用于判断检测到的所述空调中所述蒸发器盘管的温度是否达到预设值;以及
    第一确定模块,用于在判断出检测到的所述空调中所述蒸发器盘管的温度达到所述预设值时,确定所述导风板的位置异常。
  9. 根据权利要求8所述的保护装置,
    所述第一检测模块包括:检测子模块,用于通过热敏电阻检测所述蒸发器盘管的温度,得到所述热敏电阻的电阻值,其中,所述热敏电阻设置在感温电路中;获取子模块,用于获取所述感温电路的电源电压和分压电阻的电阻值,其中,所述分压电阻设置在所述感温电路中;计算子模块,用于根据所述热敏电阻的电阻值、所述电源电压和所述分压电阻的电阻值进行计算,得到所述分 压电阻上的电压值;采样子模块,用于对所述分压电阻上的所述电压值进行采样,得到电压采样值,
    所述第一判断模块还用于判断所述电压采样值是否大于等于预设电压值,
    其中,所述第一确定模块还用于在判断出所述电压采样值大于等所述预设电压值时,确定所述导风板的位置异常。
  10. 根据权利要求7所述的保护装置,在所述导风板上设置有微动开关,所述检测单元包括:
    第二检测模块,用于检测所述微动开关的开关状态;
    第二判断模块,用于判断检测到的所述开关状态是否满足预设条件;以及
    第二确定模块,用于在判断出检测到的所述开关状态满足所述预设条件时,确定所述导风板的位置异常。
  11. 根据权利要求10所述的保护装置,其特征在于,所述第二判断模块还用于判断检测到的所述开关状态是否为闭合状态,其中,所述第二确定模块还用于在判断出检测到的所述开关状态为所述闭合状态时,确定所述导风板的位置异常。
  12. 根据权利要求7至11中任一项所述的保护装置,所述控制单元包括:
    复位模块,用于通过控制所述空调中的负载停机对所述导风板执行复位处理;以及
    控制模块,用于在所述导风板复位之后,通过控制所述负载重启控制所述导风板按预设状态运行。
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