技术领域technical field
本发明涉及空调技术领域，特别是涉及一种空调的控制方法及装置。The invention relates to the technical field of air conditioners, in particular to an air conditioner control method and device.
背景技术Background technique
在夏季高温天气，为了在室内营造有舒适的温度条件，用户一般会长时间开启空调运行。而在室内环境温度达到预先设定的温度之后，出于节能降耗的目的，空调的压缩机一般是关停，此时，受室外环温的影响，室内温度会重新升高，当室内环温升高到某一温度时，空调会重新启动压缩机，以对室内进行制冷降温，直至室内环境温度重新下降到设定的温度，之后，压缩机重新关停。这样，为了将室内环境维持在设定温度，空调会重复执行上述流程，在此过程中，压缩机也会频繁的启停，噪音较大，影响用户的体验。In high temperature weather in summer, in order to create a comfortable temperature condition indoors, users generally turn on the air conditioner for a long time. After the indoor ambient temperature reaches the preset temperature, for the purpose of saving energy and reducing consumption, the compressor of the air conditioner is generally turned off. At this time, the indoor temperature will rise again due to the influence of the outdoor ambient temperature. When the ambient temperature rises to a certain temperature, the air conditioner will restart the compressor to cool down the room until the indoor ambient temperature drops to the set temperature again, after which the compressor will be shut down again. In this way, in order to maintain the indoor environment at the set temperature, the air conditioner will repeatedly execute the above-mentioned process. During this process, the compressor will also be frequently started and stopped, resulting in high noise and affecting the user experience.
发明内容Contents of the invention
本发明提供了一种空调的控制方法及装置，旨在解决压缩机因室内环温变化而频繁启停运行的问题。为了对披露的实施例的一些方面有一个基本的理解，下面给出了简单的概括。该概括部分不是泛泛评述，也不是要确定关键/重要组成元素或描绘这些实施例的保护范围。其唯一目的是用简单的形式呈现一些概念，以此作为后面的详细说明的序言。The invention provides an air conditioner control method and device, aiming to solve the problem of frequent start-stop operation of a compressor due to changes in indoor ambient temperature. In order to provide a basic understanding of some aspects of the disclosed embodiments, a brief summary is presented below. This summary is not an overview, nor is it intended to identify key/critical elements or delineate the scope of these embodiments. Its sole purpose is to present some concepts in a simplified form as a prelude to the more detailed description that is presented later.
根据本发明的第一个方面，提供了一种空调的控制方法，控制方法包括：获取空调所处空间的室内温度；当室内温度与目标室内温度的温差值满足预设的停机温度条件时，控制内风机的初始风速档位降低至停机温度条件对应的目标风速档位；当内风机以目标风速档位运行的设定时长内的温差值仍满足停机温度条件时，控制关闭压缩机。According to the first aspect of the present invention, there is provided an air conditioner control method. The control method includes: obtaining the indoor temperature of the space where the air conditioner is located; when the temperature difference between the indoor temperature and the target indoor temperature meets the preset shutdown temperature condition, The initial wind speed gear of the internal fan is controlled to decrease to the target wind speed gear corresponding to the shutdown temperature condition; when the temperature difference within the set time period of the internal fan running at the target wind speed gear still meets the shutdown temperature condition, the compressor is controlled to be turned off.
进一步的，预设的停机温度条件包括：T1<△T<T2，其中，T1为第一温差阈值，T2为第二温差阈值，△T为温差值；控制内风机的初始风速档位降低至停机温度条件对应的目标风速档位，包括：当T1<△T<T2时，控制内风机的初始风速档位降低至第一风速档位。Further, the preset shutdown temperature conditions include: T1<△T<T2, where T1 is the first temperature difference threshold, T2 is the second temperature difference threshold, and △T is the temperature difference value; the initial wind speed gear of the control internal fan is reduced to The target wind speed gear corresponding to the shutdown temperature condition includes: when T1<△T<T2, the initial wind speed gear of the control internal fan is reduced to the first wind speed gear.
进一步的，预设的停机温度条件包括：T2<△T<T3，其中，T3为第三温差阈值；控制内风机的初始风速档位降低至停机温度条件对应的目标风速档位，包括：当T2<△T<T3时，控制内风机的初始风速档位降低至第二风速档位，第二风速档位小于或等于第一风速档位。Further, the preset shutdown temperature conditions include: T2<△T<T3, where T3 is the third temperature difference threshold; the initial wind speed gear of the internal fan is controlled to be reduced to the target wind speed gear corresponding to the shutdown temperature condition, including: when When T2<ΔT<T3, control the initial wind speed gear of the internal fan to decrease to the second wind speed gear, and the second wind speed gear is less than or equal to the first wind speed gear.
进一步的，控制方法还包括：当内风机以目标风速档位运行的设定时长内的温差值不满足停机温度条件时，控制内风机由目标风速档位升高至第四风速档位，第四风速档位大于目标风速档位。Further, the control method also includes: when the temperature difference value within the set time period of the internal fan running at the target wind speed gear does not meet the shutdown temperature condition, controlling the internal fan to increase from the target wind speed gear to the fourth wind speed gear, the first The fourth wind speed gear is greater than the target wind speed gear.
进一步的，第四风速档位为初始风速档位。Further, the fourth wind speed gear is the initial wind speed gear.
根据本发明的第二个方面，还提供了一种空调的控制装置，控制装置包括：获取单元，用于获取空调所处空间的室内温度；档位控制单元，用于当室内温度与目标室内温度的温差值满足预设的停机温度条件时，控制内风机的初始风速档位降低至停机温度条件对应的目标风速档位；压机控制单元，用于当内风机以目标风速档位运行的设定时长内的温差值仍满足停机温度条件时，控制关闭压缩机。According to the second aspect of the present invention, there is also provided an air conditioner control device, the control device includes: an acquisition unit, used to acquire the indoor temperature of the space where the air conditioner is located; When the temperature difference value meets the preset shutdown temperature condition, the initial wind speed gear of the internal fan is controlled to be reduced to the target wind speed gear corresponding to the shutdown temperature condition; the compressor control unit is used to operate the internal fan at the target wind speed gear When the temperature difference within the set time still meets the shutdown temperature condition, the compressor is controlled to be shut down.
进一步的，预设的停机温度条件包括：T1<△T<T2，其中，T1为第一温差阈值，T2为第二温差阈值，△T为温差值；档位控制单元具体用于：当T1<△T<T2时，控制内风机的初始风速档位降低至第一风速档位。Further, the preset shutdown temperature conditions include: T1<△T<T2, where T1 is the first temperature difference threshold, T2 is the second temperature difference threshold, and △T is the temperature difference value; the gear position control unit is specifically used for: when T1 When <ΔT<T2, control the initial wind speed gear of the internal fan down to the first wind speed gear.
进一步的，预设的停机温度条件包括：T2<△T<T3，其中，T3为第三温差阈值；档位控制单元具体用于：当T2<△T<T3时，控制内风机的初始风速档位降低至第二风速档位，第二风速档位小于或等于第一风速档位。Further, the preset shutdown temperature conditions include: T2<△T<T3, where T3 is the third temperature difference threshold; the gear position control unit is specifically used to control the initial wind speed of the internal fan when T2<△T<T3 The gear is lowered to the second wind speed gear, and the second wind speed gear is less than or equal to the first wind speed gear.
进一步的，档位控制单元还用于：当内风机以目标风速档位运行的设定时长内的温差值不满足停机温度条件时，控制内风机由目标风速档位升高至第四风速档位，第四风速档位大于目标风速档位。Further, the gear control unit is also used for: when the temperature difference value within the set time period of the internal fan running at the target wind speed gear does not meet the shutdown temperature condition, control the internal fan to increase from the target wind speed gear to the fourth wind speed gear position, the fourth wind speed gear is greater than the target wind speed gear.
进一步的，第四风速档位为初始风速档位。Further, the fourth wind speed gear is the initial wind speed gear.
本发明明通过室内温度和目标室内温度的温差值，结合降低风档等方式，可以确定在向室内减少冷量输送的情况下的室内温度的变化，从而可以类比的判断出压缩机停机以后的室内温度的变化，进而精确控制压缩机的启停运行，避免压缩机频繁启停，提高用户的舒适度。The invention uses the temperature difference between the indoor temperature and the target indoor temperature, combined with lowering the windshield, etc., to determine the change in the indoor temperature when the cooling capacity is reduced to the indoor, so that the temperature after the compressor stops can be judged by analogy. Changes in indoor temperature, and then accurately control the start and stop operation of the compressor, avoid frequent start and stop of the compressor, and improve user comfort.
应当理解的是，以上的一般描述和后文的细节描述仅是示例性和解释性的，并不能限制本发明。It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention.
附图说明Description of drawings
此处的附图被并入说明书中并构成本说明书的一部分，示出了符合本发明的实施例，并与说明书一起用于解释本发明的原理。The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description serve to explain the principles of the invention.
图1是根据一示例性实施例所示出的本发明空调控制方法的流程图；Fig. 1 is a flow chart of an air conditioner control method of the present invention shown according to an exemplary embodiment;
图2是根据一示例性实施例所示出的本发明空调控制装置的结构框图。Fig. 2 is a structural block diagram of an air conditioner control device according to an exemplary embodiment of the present invention.
具体实施方式detailed description
以下描述和附图充分地示出本发明的具体实施方案，以使本领域的技术人员能够实践它们。其他实施方案可以包括结构的、逻辑的、电气的、过程的以及其他的改变。实施例仅代表可能的变化。除非明确要求，否则单独的部件和功能是可选的，并且操作的顺序可以变化。一些实施方案的部分和特征可以被包括在或替换其他实施方案的部分和特征。本发明的实施方案的范围包括权利要求书的整个范围，以及权利要求书的所有可获得的等同物。在本文中，各实施方案可以被单独地或总地用术语“发明”来表示，这仅仅是为了方便，并且如果事实上公开了超过一个的发明，不是要自动地限制该应用的范围为任何单个发明或发明构思。本文中，诸如第一和第二等之类的关系术语仅仅用于将一个实体或者操作与另一个实体或操作区分开来，而不要求或者暗示这些实体或操作之间存在任何实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法或者设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法或者设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法或者设备中还存在另外的相同要素。本文中各个实施例采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似部分互相参见即可。对于实施例公开的方法、产品等而言，由于其与实施例公开的方法部分相对应，所以描述的比较简单，相关之处参见方法部分说明即可。The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. Herein, various embodiments may be referred to individually or collectively by the term "invention", which is for convenience only and is not intended to automatically limit the scope of this application if in fact more than one invention is disclosed. A single invention or inventive concept. Herein, relational terms such as first and second etc. are used only to distinguish one entity or operation from another without requiring or implying any actual relationship or relationship between these entities or operations. order. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method or apparatus comprising a set of elements includes not only those elements but also other elements not expressly listed elements, or also include elements inherent in such a process, method, or apparatus. Without further limitations, an element defined by the phrase "comprising a ..." does not exclude the presence of additional identical elements in the process, method or apparatus comprising said element. Various embodiments herein are described in a progressive manner, each embodiment focuses on the differences from other embodiments, and the same and similar parts of the various embodiments may be referred to each other. As for the methods, products, etc. disclosed in the examples, since they correspond to the methods disclosed in the examples, the description is relatively simple, and for relevant details, please refer to the description of the methods.
图1是根据一示例性实施例所示出的本发明空调控制方法的流程图。Fig. 1 is a flowchart of an air conditioner control method according to an exemplary embodiment of the present invention.
如图1所示，本发明提供了一种空调的控制方法，可用于空调在将室内温度调节至目标室内温度、以及将室内温度维持在目标室内温度的过程中的压缩机的启停控制；具体的，本发明控制方法的主要步骤包括：As shown in FIG. 1 , the present invention provides a control method of an air conditioner, which can be used for the start-stop control of the compressor in the process of adjusting the indoor temperature to the target indoor temperature and maintaining the indoor temperature at the target indoor temperature; Specifically, the main steps of the control method of the present invention include:
S101、获取空调所处空间的室内温度；S101. Obtain the indoor temperature of the space where the air conditioner is located;
在本实施例中，本发明主要以夏季工况中的温度调节和压缩机启停控制为例，在夏季工况，室内温度一般高于用户感到舒适的温度，因此，为了使室内温度降低至用户感到舒适的温度，用户一般控制空调运行制冷模式或者除湿模式，以对室内环境进行制冷降温，直至达到该舒适的温度，因此，在夏季工况，本发明的控制方法是用于空调运行制冷模式过程中的压缩机的启停控制。In this embodiment, the present invention mainly takes the temperature adjustment and compressor start-stop control in summer working conditions as an example. In summer working conditions, the indoor temperature is generally higher than the user’s comfortable temperature. Therefore, in order to reduce the indoor temperature to The temperature that the user feels comfortable, the user generally controls the air conditioner to operate in the cooling mode or the dehumidification mode to cool down the indoor environment until the comfortable temperature is reached. Compressor start and stop control during mode.
应当理解的是，在冬季工况中，空调一般控制空调运行制热模式运行，以使室内环境温度升温至用户感到舒适的温度，因此，本发明的控制方法还可用于空调运行制热模式中的压缩机的启停控制。It should be understood that in winter working conditions, the air conditioner generally controls the operation of the air conditioner in the heating mode so that the indoor ambient temperature rises to a temperature that the user feels comfortable with. Therefore, the control method of the present invention can also be used in the air conditioner in the heating mode Compressor start-stop control.
在本实施例中，空调设置有温度传感器，可用于获取空调所处空间的实时室内温度，并可将相关温度数据传输至空调的电脑板等控制元器件；本发明即将该实时室内温度作为步骤S101中所获取的室内温度。In this embodiment, the air conditioner is provided with a temperature sensor, which can be used to obtain the real-time indoor temperature of the space where the air conditioner is located, and can transmit the relevant temperature data to the control components such as the computer board of the air conditioner; the present invention will use the real-time indoor temperature as a step The indoor temperature obtained in S101.
或者，空调所处的空间中单独设置有一温度传感器，可用于获取空调所处空间的实时室内温度，该温度传感器与空调可通过数据网络等方式进行数据通讯，从而将测得的相关温度数据传输至空调的电脑板等控制元器件。该独立的温度传感器检测并传输的实施室内温度也可以作为步骤S101中所获取的室内温度。Alternatively, a temperature sensor is separately installed in the space where the air conditioner is located, which can be used to obtain the real-time indoor temperature of the space where the air conditioner is located. The temperature sensor and the air conditioner can communicate with each other through a data network, etc., so as to transmit the measured temperature data. To the control components such as the computer board of the air conditioner. The actual indoor temperature detected and transmitted by the independent temperature sensor may also be used as the indoor temperature acquired in step S101.
S102、判断室内温度和目标室内温度的温差值是否满足预设的停机温度条件，如果是，则执行步骤S103，如果否，则维持当前运行状态不变，本次流程结束；S102. Determine whether the temperature difference between the indoor temperature and the target indoor temperature satisfies the preset shutdown temperature condition. If yes, perform step S103. If not, maintain the current operating state unchanged, and this process ends;
在本实施例中，空调预设有停机温度条件，可用于根据停机温度条件判断是否控制压缩机停机；具体的，空调的压缩机可以停机的前提是室内环境温度已经满足用户的舒适度需要，即室内温度等于或者接近于目标室内温度，这样，压缩机在停机之后，室内温度可以维持在目标室内温度一定时间，从而在保证用户舒适度的情况下，起到节能降耗的目的。In this embodiment, the air conditioner is preset with a shutdown temperature condition, which can be used to determine whether to control the shutdown of the compressor according to the shutdown temperature condition; specifically, the premise that the compressor of the air conditioner can be stopped is that the indoor ambient temperature has met the user's comfort requirements, That is, the indoor temperature is equal to or close to the target indoor temperature. In this way, after the compressor stops, the indoor temperature can be maintained at the target indoor temperature for a certain period of time, so as to save energy and reduce consumption while ensuring user comfort.
较佳的，本发明将室内温度和目标室内温度的温度差作为判断压缩机是否可以停机的温度条件，其中，室内温度为步骤S101中所获取的室内温度，目标室内温度为用户通过遥控器或者控制面板所设置的期望达到的室内温度；或者，目标室内温度为空调开机运行时默认的目标室内温度；又或者，目标室内外温度为空调上一次关机时的设定温度。Preferably, the present invention uses the temperature difference between the indoor temperature and the target indoor temperature as the temperature condition for judging whether the compressor can be stopped, wherein the indoor temperature is the indoor temperature obtained in step S101, and the target indoor temperature is the temperature obtained by the user through the remote control or The desired indoor temperature set by the control panel; or, the target indoor temperature is the default target indoor temperature when the air conditioner is turned on; or, the target indoor and outdoor temperature is the set temperature when the air conditioner was turned off last time.
这样，在室内温度和目标室内温度的温差值较小时，说明当前的实时室内温度低于或者等于目标室内温度，室内环境温度已经满足用户的舒适度需要，出于节能的目的，空调可以停止压缩机的运行；而在室内温度和目标室内温度较大时，则说明当前实时室内温度尚未达到目标室内温度，室内环境温度暂不能满足用户的舒适度需要，空调仍需要控制压缩机的运行，以继续对室内环境进行制冷降温，即，在室内温度和目标室内温度的温差值不满足预设的停机温度条件时，空调维持当前运行状态不变，压缩机继续对冷媒进行压缩作业。In this way, when the temperature difference between the indoor temperature and the target indoor temperature is small, it means that the current real-time indoor temperature is lower than or equal to the target indoor temperature, and the indoor ambient temperature has met the comfort requirements of the user. For the purpose of energy saving, the air conditioner can stop compressing When the indoor temperature and the target indoor temperature are relatively large, it means that the current real-time indoor temperature has not reached the target indoor temperature, and the indoor ambient temperature cannot meet the user's comfort requirements for the time being, and the air conditioner still needs to control the operation of the compressor to Continue to cool down the indoor environment, that is, when the temperature difference between the indoor temperature and the target indoor temperature does not meet the preset shutdown temperature condition, the air conditioner maintains the current operating state and the compressor continues to compress the refrigerant.
一般的，在夏季工况，室内温度大多大于用户所设定的目标室内温度，此时，室内温度和目标室内温度之间的温差值为正值；而在冬季工况，室内温度一般小于用户所设定的目标室内温度，此时，室内温度和目标室内温度之间的温差值为负值。而对于本发明的控制方法，空调在制冷模式运行时是将室内温度先降低至目标室内温度以下，之后，根据室内温度和目标室内温度的温差值判断是否要控制压缩机停机，这样，室内温度和目标室内温度的温差值也为负值，因此，为了便于温差值与预设的停机温度条件的比较，本发明的温差值一般为室内温度目标室内温度的差值的绝对值。Generally, in summer working conditions, the indoor temperature is mostly higher than the target indoor temperature set by the user. At this time, the temperature difference between the indoor temperature and the target indoor temperature is positive; while in winter working conditions, the indoor temperature is generally lower than the user’s target indoor temperature. The set target indoor temperature, at this time, the temperature difference between the indoor temperature and the target indoor temperature is a negative value. For the control method of the present invention, when the air conditioner is running in cooling mode, the indoor temperature is first lowered to below the target indoor temperature, and then it is judged whether to control the compressor to stop according to the temperature difference between the indoor temperature and the target indoor temperature. In this way, the indoor temperature The temperature difference with the target indoor temperature is also a negative value. Therefore, in order to facilitate the comparison between the temperature difference and the preset shutdown temperature condition, the temperature difference in the present invention is generally the absolute value of the difference between the indoor temperature and the target indoor temperature.
应当理解的是，本发明空调对室内环境的制冷方式并不是将室内温度降低至设定温度时或者之前就执行控制方法的相关流程步骤，而是在将室内温度降低至目标室内温度以下之后，执行本发明的相关流程步骤。这样，在压缩机停机之后，室内的实际温度要低于设定温度，可以延长室内环境因受室外环境热量的影响而升温的时间，从而使室内环境温度可以在较长时间内保持在用户感到舒适的目标室内温度的范围内。It should be understood that the cooling method of the air conditioner of the present invention for the indoor environment is not to execute the relevant process steps of the control method when the indoor temperature is lowered to the set temperature or before, but after the indoor temperature is lowered to below the target indoor temperature, Execute the relevant process steps of the present invention. In this way, after the compressor stops, the actual indoor temperature will be lower than the set temperature, which can prolong the time for the indoor environment to heat up due to the influence of the outdoor ambient heat, so that the indoor ambient temperature can be kept at the user's feeling for a long time. Comfortable target room temperature range.
在本发明的一实施例中，预设的停机温度条件包括：T1<△T<T2，其中，T1为第一温差阈值，T2为第二温差阈值，△T为温差值。因此，当确定的温差值△T大于第一温差阈值T1且小于第二温差阈值△T时，即满足预设的停机温度条件。In an embodiment of the present invention, the preset shutdown temperature conditions include: T1<ΔT<T2, wherein T1 is the first temperature difference threshold, T2 is the second temperature difference threshold, and ΔT is the temperature difference value. Therefore, when the determined temperature difference value ΔT is greater than the first temperature difference threshold T1 and smaller than the second temperature difference threshold ΔT, the preset shutdown temperature condition is satisfied.
例如，空调预设的第一温差阈值T1为0.5℃，第二温差阈值T2为1℃，用户所设定的目标室内温度为25℃，在空调运行一段时间的制冷模式之后，室内温度降低至目标室内温度以下，此时，温度传感器所检测到的当前室内温度为24.3℃，此时，两者之间的温差值为0.7℃，满足0.5℃(T1)＜0.7℃(△T)＜1℃(T2)的停机温度条件，此时，室内环境温度可满足用户的舒适度需要，且压缩机停机的话对室内环境的温度影响较小。For example, the first temperature difference threshold T1 preset by the air conditioner is 0.5°C, the second temperature difference threshold T2 is 1°C, and the target indoor temperature set by the user is 25°C. After the air conditioner operates in cooling mode for a period of time, the indoor temperature drops to Below the target indoor temperature, at this time, the current indoor temperature detected by the temperature sensor is 24.3°C, at this time, the temperature difference between the two is 0.7°C, satisfying 0.5°C (T1)<0.7°C (△T)<1 °C (T2) shutdown temperature condition, at this time, the indoor ambient temperature can meet the user's comfort requirements, and the compressor shutdown will have little impact on the indoor ambient temperature.
而如果检测到的当前室内温度为24.8℃，室内温度与目标室内温度之间的温差值则为0.2℃，不能满足0.5℃<△T<1℃的停机温度条件，此时，空调需要保持压缩机的当前运行状态不变，以继续对室内环境进行制冷降温。However, if the detected current indoor temperature is 24.8°C, the temperature difference between the indoor temperature and the target indoor temperature is 0.2°C, which cannot meet the shutdown temperature condition of 0.5°C<△T<1°C. At this time, the air conditioner needs to keep compressing The current running status of the machine remains unchanged, so as to continue to cool down the indoor environment.
在本发明的实施例中，本发明的所预设的停机温度条件不仅包括T1<△T<T2，还包括T2<△T<T3，其中，T3为第三温差阈值，且大于T2。In an embodiment of the present invention, the preset shutdown temperature conditions of the present invention include not only T1<ΔT<T2, but also T2<ΔT<T3, wherein T3 is the third temperature difference threshold and is greater than T2.
例如，空调预设的第二温差阈值T2为1℃，第三温差阈值T3为1.5℃，用户所设定的目标室内温度为25℃，在空调运行一段时间的制冷模式之后，室内温度降低至目标室内温度以下，此时，温度传感器所检测到的当前室内温度为23.8℃，此时，两者之间的温差值为1.2℃，满足1℃(T2)＜1.2℃(△T)＜1.5℃(T3)的停机温度条件，此时，室内环境温度可满足用户的舒适度需要，且压缩机停机的话对室内环境的温度影响较小。For example, the second temperature difference threshold T2 preset by the air conditioner is 1°C, the third temperature difference threshold T3 is 1.5°C, and the target indoor temperature set by the user is 25°C. After the air conditioner operates in cooling mode for a period of time, the indoor temperature drops to Below the target indoor temperature, at this time, the current indoor temperature detected by the temperature sensor is 23.8°C, at this time, the temperature difference between the two is 1.2°C, satisfying 1°C (T2)<1.2°C (△T)<1.5 °C (T3) shutdown temperature condition, at this time, the indoor ambient temperature can meet the user's comfort requirements, and the compressor shutdown will have little impact on the indoor ambient temperature.
而如果检测到的当前室内温度为23℃，室内温度与目标室内温度之间的温差值则为2℃，则满足△T＞T3停机温度条件，此时，可以控制压缩机直接停机，而无需在通过内风机降挡的相关步骤进行判断。However, if the detected current indoor temperature is 23°C, and the temperature difference between the indoor temperature and the target indoor temperature is 2°C, then the condition of △T>T3 shutdown temperature is met. At this time, the compressor can be controlled to stop directly without Judgment is made in the related steps of downshifting through the internal fan.
S103、控制内风机的初始风速档位降低至停机温度条件对应的目标风速档位；S103, controlling the initial wind speed gear of the internal fan to be reduced to the target wind speed gear corresponding to the shutdown temperature condition;
在本实施例中，为了避免压缩机的频繁启停的问题，本发明在温差值满足预设的停机温度条件时，压缩机暂不停机，而是将室内机的内风机的风速档位从初始风速档位降低至停机温度所对应的目标风速档位。这样，可以模拟压缩机停机之后空调对室内环境的制冷量的变化，如压缩机停机之后，压缩机向空调系统输送的冷媒减少甚至为零，因此，室内机从室内环境中的吸收的热量减少，输送的冷空气也减少，制冷效果降低；同样效果的，当室内机的内风机的风速档位降低之后，由于流经室内机的空气流量减少，因此，室内机向室内环境所输送的冷空气也是减少的，从而可以模拟出压缩机停机之后的制冷效果。这样，就可以根据风机降挡之后的温差值变化情况，判断处压缩机停机之后的室内温度变化情况。In this embodiment, in order to avoid the problem of frequent startup and shutdown of the compressor, the present invention does not stop the compressor temporarily when the temperature difference meets the preset shutdown temperature condition, but changes the wind speed gear of the indoor fan of the indoor unit from The initial wind speed gear is reduced to the target wind speed gear corresponding to the shutdown temperature. In this way, the change of the cooling capacity of the air conditioner to the indoor environment after the compressor is stopped can be simulated. For example, after the compressor is stopped, the refrigerant delivered to the air conditioning system by the compressor is reduced or even zero. Therefore, the heat absorbed by the indoor unit from the indoor environment is reduced. , the cold air delivered is also reduced, and the cooling effect is reduced; for the same effect, when the wind speed gear of the indoor fan of the indoor unit is lowered, the air flow through the indoor unit is reduced, so the cold air delivered by the indoor unit to the indoor environment The air is also reduced, so that the cooling effect after the compressor is stopped can be simulated. In this way, the change of the indoor temperature after the compressor stops can be judged according to the change of the temperature difference after the downshift of the fan.
采用这种类比模拟的目的在于，压缩机的频繁启停的原因是压缩机停机之后室内温度变化幅度过快的情况下，如夏季室内温度迅速升高，就会导致压缩机需要重新启动，启停之间的时间间隔较短，因此，如果可以保证压缩机启停之间的时间间隔不至于过短，就可以起到保护压缩机的作用，因此，本发明通过风速降挡的方式模拟压缩机停机之后的温度变化情况，这样，在风速降档之后室内温度变化幅度过快时，则说明压缩机停机之后的温度变化也会较快，压缩机会出现频繁启停的问题，此时，压缩机就应保持运行，不停机；而在风速降档之后温度变化幅度较小时，则说明压缩机停机之后的温度变化也会较小，压缩机停机之后不会需要马上重启，此时，压缩机就可以进行停机节能。The purpose of using this analogy simulation is that the reason for the frequent start and stop of the compressor is that when the indoor temperature changes too quickly after the compressor stops, such as the rapid rise of the indoor temperature in summer, the compressor needs to be restarted. The time interval between the stop and stop is relatively short, therefore, if the time interval between the start and stop of the compressor can be guaranteed not to be too short, it can protect the compressor. In this way, when the indoor temperature changes too quickly after the wind speed is downshifted, it means that the temperature change will be faster after the compressor stops, and the compressor will start and stop frequently. At this time, the compressor The machine should keep running without shutting down; and when the temperature change is small after the wind speed is downshifted, it means that the temperature change after the compressor stops will be small, and the compressor will not need to be restarted immediately after the stop. At this time, the compressor Just can carry out shutdown energy-saving.
在本实施例中，空调预存有停机温度条件与当前目标风速档位的对应关系，例如，对应关系包括，当停机温度条件为T1<△T<T2时，其对应第一风速档位；当停机温度条件为T2<△T<T3时，其对应第二风速档位，第二风速档位小于或等于第一风速档位。停机温度条件中的温差值越大，则降挡的目标风速档位就越低。In this embodiment, the air conditioner pre-stores the corresponding relationship between the shutdown temperature condition and the current target wind speed gear. For example, the corresponding relationship includes, when the shutdown temperature condition is T1<ΔT<T2, it corresponds to the first wind speed gear; When the shutdown temperature condition is T2<ΔT<T3, it corresponds to the second wind speed gear, and the second wind speed gear is less than or equal to the first wind speed gear. The larger the temperature difference value in the shutdown temperature condition, the lower the target wind speed gear for downshifting.
例如，本发明控制方法所应用的某一空调的风速档位共分为1～5个档位，每一风速档位所对应的风速依次增大。空调在制冷模式时以四档的风速向室内环境送风，停机温度条件为2℃<△T<3℃所对应关系的第一风速档位为三档，因此，当温度差满足该停机温度条件时，则控制内风机的风速档位从四档降低至三档，内风机的风速降低至三档所对应的风速；或者，停机温度条件为T2<△T<T3所对应的第二风速档位为二档，因此，当温度差满足该停机温度条件时，则控制内风机的风速档位从四档降低至二档，内风机的风速降至二档所对应的风速。For example, the wind speed gears of a certain air conditioner used in the control method of the present invention are divided into 1 to 5 gears, and the wind speed corresponding to each wind speed gear increases sequentially. When the air conditioner is in cooling mode, it sends air to the indoor environment at the fourth gear speed. The shutdown temperature condition is 2℃<△T<3℃. The first wind speed gear is the third gear. Therefore, when the temperature difference meets the condition, then control the wind speed gear of the internal fan to be reduced from the fourth gear to the third gear, and the wind speed of the internal fan is lowered to the wind speed corresponding to the third gear; or, the shutdown temperature condition is the second wind speed corresponding to T2<△T<T3 The gear position is the second gear. Therefore, when the temperature difference meets the shutdown temperature condition, the wind speed gear of the control internal fan is lowered from the fourth gear to the second gear, and the wind speed of the inner fan is reduced to the corresponding wind speed of the second gear.
或者，空调还可以预存停机温度条件与降挡档数的对应关系，例如，对应关系包括，当停机温度条件为T1<△T<T2时，其对应关系第一降档党数；当停机温度条件为T2<△T<T3时，其对应第二降档档数，第二降档档数大于或等于第一降挡档数位。也即，停机温度条件中的温差值越大，则降挡档的档数就越大。Alternatively, the air conditioner can also pre-store the corresponding relationship between the shutdown temperature condition and the number of downshifts. For example, the correspondence includes, when the shutdown temperature condition is T1<△T<T2, the corresponding relationship is the first downshift number; when the shutdown temperature When the condition is T2<ΔT<T3, it corresponds to the second downshift gear number, and the second downshift gear number is greater than or equal to the first downshift gear number. That is, the greater the temperature difference value in the shutdown temperature condition, the greater the number of downshifts.
例如，前一实施例中所应用的某一空调：空调在制冷模式时以四档的风速向室内环境送风，停机温度条件为0.5℃<△T<1℃所对应关系的第一降档档数为1，因此，当温度差满足该停机温度条件时，则控制内风机的风速档位从四档降低1档，即降低至三档，内风机的风速降低至三档所对应的风速；或者，停机温度条件为T2<△T<T3所对应的第二风速档位为2，因此，当温度差满足该停机温度条件时，则控制内风机的风速档位从四档降低2档，即降低至二档，内风机的风速降至二档所对应的风速。For example, for a certain air conditioner used in the previous embodiment: when the air conditioner is in the cooling mode, it sends air to the indoor environment at the fourth-speed wind speed, and the shutdown temperature condition is the first downshift of the relationship corresponding to 0.5°C<△T<1°C The gear number is 1. Therefore, when the temperature difference meets the shutdown temperature condition, the wind speed gear of the control internal fan is lowered from the fourth gear by one gear, that is, it is lowered to the third gear, and the wind speed of the internal fan is reduced to the wind speed corresponding to the third gear. ; Or, the second wind speed gear corresponding to the shutdown temperature condition T2<△T<T3 is 2, therefore, when the temperature difference satisfies the shutdown temperature condition, the wind speed gear of the control internal fan is lowered from the fourth gear to 2 gears , that is, down to the second gear, the wind speed of the internal fan will drop to the corresponding wind speed of the second gear.
在本实施例中，为了保持对室内环境的制冷效果，在步骤S103的降挡操作中，室内机的内风机需要仍向室内环境送风，因此，内风机的风速档数的下限为最小风档，即实施例中的一档。In this embodiment, in order to maintain the cooling effect on the indoor environment, the indoor fan of the indoor unit needs to still supply air to the indoor environment during the downshift operation in step S103. file, that is, a file in the embodiment.
S104、判断内风机以目标风速档位运行的设定时长内的温差值是否满足停机温度条件，如果是，则执行步骤S105，如果否，则执行步骤S106；S104. Judging whether the temperature difference within the set duration of the internal fan running at the target wind speed gear meets the shutdown temperature condition, if yes, execute step S105, and if not, execute step S106;
在本实施例中，在执行步骤S104的步骤之前，需要在步骤S103的降档操作之后，通过温度传感器重复多次检测室内温度，并进一步确定室内温度与目标室内温度的温差值，如果在设定时长内的温差值仍然满足步骤S102中的停机温度条件，则说明内风机降档之后的室内环境温度变化较小，因此，可以确定压缩机停机之后的室内环境温度变化也较小，此时，压缩机可以停机。而如果在设定时长内的温差值不满足该停机温度条件，则说明内风机降档之后的室内温度变化较大，因此，可以确定压缩机停机之后的室内环境温度变化也较大，此时，压缩机不能停机。In this embodiment, before performing step S104, it is necessary to repeatedly detect the indoor temperature through the temperature sensor after the downshift operation in step S103, and further determine the temperature difference between the indoor temperature and the target indoor temperature. If the temperature difference value within the fixed time still satisfies the stop temperature condition in step S102, it means that the indoor ambient temperature changes little after the internal fan is downshifted. Therefore, it can be determined that the indoor ambient temperature changes little after the compressor stops. At this time , the compressor can be shut down. And if the temperature difference value within the set time does not meet the shutdown temperature condition, it means that the indoor temperature changes greatly after the internal fan is downshifted. Therefore, it can be determined that the indoor ambient temperature changes after the compressor stops. , the compressor cannot be shut down.
在实施例中，在设定时长内，温度传感器可能获取多个室内温度值，从而计算得到多个温差值，较佳的，为了提高判断的精确性，可以根据满足停机温度条件的温差值与不满足停机温度条件的温差值之间的比例关系确定是否可以压缩机停机，例如，当满足停机温度条件的温差值的所占比例较大时，则可控制压缩机停机；而当不满足停机温度条件的温差值的所占比例较大时，则维持压缩机的开启状态。In the embodiment, within the set duration, the temperature sensor may obtain multiple indoor temperature values, thereby calculating multiple temperature difference values. Preferably, in order to improve the accuracy of judgment, the temperature difference value that meets the shutdown temperature condition and the The proportional relationship between the temperature difference values that do not meet the shutdown temperature conditions determines whether the compressor can be stopped. For example, when the proportion of the temperature difference values that meet the shutdown temperature conditions is large, the compressor can be controlled to stop; When the proportion of the temperature difference value of the temperature condition is large, the compressor is maintained in the ON state.
或者，夏季工况的风机降挡之后，室内温度一般是逐渐上升的，因此，可以仅检测达到设定时长的单一时刻的室内温度，此时，室内温度和目标室内温度的温差值是设定时长内的最大温差值，因此，可根据该最大温差值判断是否满足停机温度条件，进而控制压缩机的启停。Or, after the fan is downshifted in summer, the indoor temperature generally rises gradually. Therefore, the indoor temperature can only be detected at a single moment when it reaches the set time. At this time, the temperature difference between the indoor temperature and the target indoor temperature is the set value. The maximum temperature difference value within the duration, therefore, it can be judged according to the maximum temperature difference value whether the shutdown temperature condition is met, and then the start and stop of the compressor can be controlled.
S105、控制关闭压缩机。S105, controlling to turn off the compressor.
在内风机以目标风速档位运行的设定时长内的温差值仍满足停机温度条件的情况下，说明在内风机降挡、制冷量减少的情况下室内温度变化幅度较小，因此，如果压缩机停机，室内环境温度也可以在一定时间中维持在适宜的温度范围内，并能满足空调节能以及保护压缩机启停的需要，此时，可以控制压缩机关闭。If the temperature difference within the set period of time when the internal fan is running at the target wind speed level still meets the shutdown temperature condition, it means that the range of indoor temperature changes is small when the internal fan is downshifted and the cooling capacity is reduced. Therefore, if the compression When the air conditioner is shut down, the indoor ambient temperature can also be maintained within a suitable temperature range for a certain period of time, which can meet the needs of energy saving of the air conditioner and protection of the start and stop of the compressor. At this time, the compressor can be controlled to shut down.
S106、控制内风机由目标风速档位升高至第四风速档位。S106. Control the internal fan to increase from the target wind speed gear to the fourth wind speed gear.
在内风机以目标风速档位运行的设定时长内的温差值不满足停机温度条件的情况下，说明在内风机降挡、制冷量减少的情况下室内温度变化幅度较大，因此，如果压缩机停机，室内环境温度则会产生较大幅度的波动且不能维持在用户感舒适的温度范围内，此时，空调维持当前的运行状态不变。If the temperature difference within the set duration of the internal fan running at the target wind speed level does not meet the shutdown temperature condition, it means that the indoor temperature changes greatly when the internal fan is downshifted and the cooling capacity is reduced. Therefore, if the compression If the air conditioner is shut down, the indoor ambient temperature will fluctuate greatly and cannot be maintained within the comfortable temperature range for the user. At this time, the air conditioner will maintain the current operating state unchanged.
同时，由于空调需要继续对室内环境进行降温制冷，而在步骤S103中调节之后的内风机的风速档位要小于调整之前的风速档位，空调的出风量减少，制冷效率降低，因此，为了保证空调对室内环境的制冷效果，在步骤S106中，不仅维持压缩机当前的运行状态不变，同时，还可以通过升高风速档位等方式，以增大室内机向室内环境的送风量，以加快室内环境的降低。At the same time, because the air conditioner needs to continue cooling and cooling the indoor environment, and the wind speed gear of the internal fan after the adjustment in step S103 is smaller than the wind speed gear before the adjustment, the air output of the air conditioner is reduced, and the cooling efficiency is reduced. Therefore, in order to ensure For the cooling effect of the air conditioner on the indoor environment, in step S106, not only the current operating state of the compressor is maintained, but also the air supply volume of the indoor unit to the indoor environment can be increased by increasing the wind speed gear, etc. To speed up the reduction of the indoor environment.
较佳的，第四风速档位为初始风速档位，即，将内风机的风速档位提高至执行本次流程之前的初始风速档位，此时，初始风速档位大于目标风速档位，可以有效提高空调的送风量，增强空调的制冷效率。Preferably, the fourth wind speed gear is the initial wind speed gear, that is, the wind speed gear of the internal fan is increased to the initial wind speed gear before performing this process, and at this time, the initial wind speed gear is greater than the target wind speed gear, It can effectively increase the air supply volume of the air conditioner and enhance the cooling efficiency of the air conditioner.
一般的，在室内温度达到或者接近于目标室内温度时，定频空调多采用步骤S105中的关闭压缩机的节能方式，而对于现有的变频空调，其节能方式主要是降低压缩机的频率，因此，较佳的，在步骤S105中，当内风机以目标风速档位运行的设定时长内的温差值仍满足停机温度条件时，也可以采用控制降低空调的压缩机的运行频率的方式调节压缩机的运行状态。这样，对于采用本发明控制方法的变频压缩机，可以避免因室内温度波动所导致的压缩机频繁升降频的温度，同样可以达到保护压缩机、减少压机劳损的效果。Generally, when the indoor temperature reaches or is close to the target indoor temperature, the fixed-frequency air conditioner mostly adopts the energy-saving method of turning off the compressor in step S105, while for the existing inverter air conditioner, the energy-saving method is mainly to reduce the frequency of the compressor, Therefore, preferably, in step S105, when the temperature difference value within the set time period of the internal fan running at the target wind speed gear still meets the shutdown temperature condition, it can also be adjusted by controlling the operating frequency of the compressor of the air conditioner to reduce The operating status of the compressor. In this way, for the frequency conversion compressor adopting the control method of the present invention, it can avoid the temperature of the compressor frequently increasing and decreasing the frequency caused by the indoor temperature fluctuation, and can also achieve the effect of protecting the compressor and reducing the strain of the compressor.
图2是根据一示例性实施例所示出的本发明空调控制装置的结构框图。Fig. 2 is a structural block diagram of an air conditioner control device according to an exemplary embodiment of the present invention.
如图2所示，本发明还提供了一种空调的控制装置，可用于控制空调执行前述实施例中的控制方法的相关流程步骤；具体的，控制装置包括：As shown in FIG. 2 , the present invention also provides an air conditioner control device, which can be used to control the air conditioner to execute the relevant process steps of the control method in the foregoing embodiment; specifically, the control device includes:
获取单元201，用于获取空调所处空间的室内温度；An acquisition unit 201, configured to acquire the indoor temperature of the space where the air conditioner is located;
档位控制单元202，用于当室内温度与目标室内温度的温差值满足预设的停机温度条件时，控制内风机的初始风速档位降低至停机温度条件对应的目标风速档位；Gear control unit 202, configured to control the initial wind speed gear of the internal fan to decrease to the target wind speed gear corresponding to the shutdown temperature condition when the temperature difference between the indoor temperature and the target indoor temperature meets the preset shutdown temperature condition;
压机控制单元203，用于当内风机以目标风速档位运行的设定时长内的温差值仍满足停机温度条件时，控制关闭压缩机。The compressor control unit 203 is used to control to shut down the compressor when the temperature difference value within the set time period of the internal fan running at the target wind speed gear still satisfies the shutdown temperature condition.
在一实施例中，预设的停机温度条件包括：T1<△T<T2，其中，T1为第一温差阈值，T2为第二温差阈值，△T为温差值；In one embodiment, the preset shutdown temperature conditions include: T1<ΔT<T2, where T1 is the first temperature difference threshold, T2 is the second temperature difference threshold, and ΔT is the temperature difference value;
档位控制单元202具体用于：当T1<△T<T2时，控制内风机的初始风速档位降低至第一风速档位。The gear control unit 202 is specifically configured to: when T1<ΔT<T2, control the initial wind speed gear of the internal fan to decrease to the first wind speed gear.
在一实施例中，预设的停机温度条件包括：T2<△T<T3，其中，T3为第三温差阈值；In one embodiment, the preset shutdown temperature conditions include: T2<ΔT<T3, wherein T3 is the third temperature difference threshold;
档位控制单元202具体用于：当T2<△T<T3时，控制内风机的初始风速档位降低至第二风速档位，第二风速档位小于或等于第一风速档位。The gear control unit 202 is specifically used for: when T2<ΔT<T3, control the initial wind speed gear of the internal fan to decrease to the second wind speed gear, the second wind speed gear is less than or equal to the first wind speed gear.
在一实施例中，档位控制单元202还用于：当内风机以目标风速档位运行的设定时长内的温差值不满足停机温度条件时，控制内风机由目标风速档位升高至第四风速档位，第四风速档位大于目标风速档位。In one embodiment, the gear position control unit 202 is also used to control the internal fan to increase from the target wind speed gear to The fourth wind speed gear, the fourth wind speed gear is greater than the target wind speed gear.
在本实施例中，第四风速档位为初始风速档位。In this embodiment, the fourth wind speed gear is the initial wind speed gear.
应当理解的是，本发明并不局限于上面已经描述并在附图中示出的流程及结构，并且可以在不脱离其范围进行各种修改和改变。本发明的范围仅由所附的权利要求来限制。It should be understood that the present invention is not limited to the processes and structures that have been described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748741.1ACN107621048B (en) | 2017-08-28 | 2017-08-28 | Control method and device of air conditioner |
| PCT/CN2018/096354WO2019042042A1 (en) | 2017-08-28 | 2018-07-20 | Control method and device for air conditioner |
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710748741.1ACN107621048B (en) | 2017-08-28 | 2017-08-28 | Control method and device of air conditioner |
| Publication Number | Publication Date |
|---|---|
| CN107621048Atrue CN107621048A (en) | 2018-01-23 |
| CN107621048B CN107621048B (en) | 2020-02-04 |
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710748741.1AActiveCN107621048B (en) | 2017-08-28 | 2017-08-28 | Control method and device of air conditioner |
| Country | Link |
|---|---|
| CN (1) | CN107621048B (en) |
| WO (1) | WO2019042042A1 (en) |
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| TR01 | Transfer of patent right | Effective date of registration:20200916 Address after:266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Co-patentee after:QINGDAO HAIER (JIAOZHOU) AIR CONDITIONER Co.,Ltd. Patentee after:QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Address before:266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before:QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. | |
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right | Effective date of registration:20201102 Address after:266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee after:QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee after:QINGDAO HAIER (JIAOZHOU) AIR CONDITIONER Co.,Ltd. Patentee after:Haier Smart Home Co., Ltd. Address before:266101 Haier Industrial Park, Haier Road, Laoshan District, Shandong, Qingdao, China Patentee before:QINGDAO HAIER AIR CONDITIONER GENERAL Corp.,Ltd. Patentee before:QINGDAO HAIER (JIAOZHOU) AIR CONDITIONER Co.,Ltd. |