WO2019137526A1 - Control method for air conditioner power supply - Google Patents
Control method for air conditioner power supply Download PDFInfo
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- WO2019137526A1 WO2019137526A1 PCT/CN2019/071620 CN2019071620W WO2019137526A1 WO 2019137526 A1 WO2019137526 A1 WO 2019137526A1 CN 2019071620 W CN2019071620 W CN 2019071620W WO 2019137526 A1 WO2019137526 A1 WO 2019137526A1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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Abstract
A control method for an air conditioner power supply; the air conditioner may be selectively powered by one or more from among mains electricity, a solar energy power supply device, and a storage battery. The control method mainly comprises the following steps: obtaining the temperature of the environment in which an air conditioner is located as well as a preset target temperature; calculating the absolute value of the difference between the environmental temperature and the target temperature; determining whether the absolute value is greater than a temperature threshold; when the absolute value is greater than the temperature threshold, selecting a first power supply sequence to supply power to the air conditioner; when the absolute value is less than or equal to the temperature threshold, selecting a second power supply sequence that is different from the first power supply sequence to supply power to the air conditioner.
Description
本发明属于供电控制技术领域，具体提供一种空调供电的控制方法。The invention belongs to the technical field of power supply control, and specifically provides a control method for air conditioning power supply.
巴基斯坦以及其他欠发达国家和地区，由于电网供电不足、发电能力有限，通常采用周期性限电或者停电的方法来保障电网稳定。通常地，在用电高峰时平均供电时长仅为3至5小时，而停电时长则为2至3小时甚至更长，致使一些家用电器无法正常使用。尤其是在炎炎夏日，空调无法正常使用导致室内温度偏高，用户体验非常差。In Pakistan and other less developed countries and regions, due to insufficient power supply and limited power generation capacity, periodic power cuts or power outages are often used to ensure grid stability. Generally, the average power supply duration is only 3 to 5 hours at the peak of power consumption, and the power failure time is 2 to 3 hours or even longer, causing some household appliances to fail to function properly. Especially in the hot summer days, the air conditioner is not working properly, resulting in high indoor temperature and poor user experience.
与此相关，中国发明专利申请CN105485858A公开了一种空调器的控制方法，该控制方法首先计算空调器的目标温度与环境温度之间的差值，然后将该差值与预定阈值进行比较，接下来根据太阳能供电装置和储能部件的电压大小来判断如何给空调器供电。然而，该方法主要根据太阳能供电装置和储能部件的电压大小来确定供电策略，没有充分考虑空调器的当前工况，不能最大限度地满足用户的使用需求。In connection with this, the Chinese invention patent application CN105485858A discloses a control method for an air conditioner, which first calculates a difference between a target temperature of the air conditioner and an ambient temperature, and then compares the difference with a predetermined threshold, and then connects According to the voltage of the solar power supply device and the energy storage component, how to supply power to the air conditioner is determined. However, the method mainly determines the power supply strategy according to the voltage of the solar power supply device and the energy storage component, and does not fully consider the current working condition of the air conditioner, and cannot satisfy the user's use requirement to the maximum extent.
相应地，本领域需要一种新的空调供电控制方法来解决上述问题。Accordingly, there is a need in the art for a new air conditioning power supply control method to address the above problems.
发明内容Summary of the invention
为了解决现有技术中的上述问题，即为了解决欠发达地区由于电网供电能力有限导致空调无法在夏天正常使用的问题，本发明提供了一种空调供电的控制方法，所述空调能够选择性地由市电、太阳能供电装置和蓄电池中的一个或多个供电，其特征在于，所述控制方法包括以下步骤：In order to solve the above problems in the prior art, in order to solve the problem that the air conditioner cannot be normally used in the summer due to the limited power supply capacity of the power grid in the underdeveloped area, the present invention provides a control method for the air conditioning power supply, which can selectively Powered by one or more of a commercial power supply, a solar power supply device, and a battery, wherein the control method includes the following steps:
获取所述空调所在的环境温度和预设的目标温度；Obtaining an ambient temperature of the air conditioner and a preset target temperature;
计算所述环境温度和所述目标温度之间差的绝对值；Calculating an absolute value of a difference between the ambient temperature and the target temperature;
判断所述绝对值是否大于温度阈值；Determining whether the absolute value is greater than a temperature threshold;
当所述绝对值大于所述温度阈值时，选用第一供电顺序为所述空调供电；When the absolute value is greater than the temperature threshold, the first power supply sequence is selected to supply power to the air conditioner;
当所述绝对值小于或等于所述温度阈值时，选用不同于所述第一供电顺序的第二供电顺序为所述空调供电。When the absolute value is less than or equal to the temperature threshold, power is supplied to the air conditioner by using a second power supply sequence different from the first power supply sequence.
在上述控制方法的优选技术方案中，所述第一供电顺序为：市电、太阳能供电装置、蓄电池。In a preferred technical solution of the above control method, the first power supply sequence is: a commercial power supply, a solar power supply device, and a storage battery.
在上述控制方法的优选技术方案中，“选用第一供电顺序为所述空调供电”的步骤具体包括：In the preferred technical solution of the foregoing control method, the step of “selecting the first power supply sequence to supply power to the air conditioner” specifically includes:
判断市电是高电平还是低电平；Determine whether the mains is high or low;
当市电为高电平时，选择市电为所述空调供电；When the utility power is at a high level, the utility power is selected to supply power to the air conditioner;
当市电为低电平时，判断太阳能供电装置是否能够供电；When the utility power is low, it is determined whether the solar power supply device can supply power;
当太阳能供电装置能够供电时，选择太阳能供电装置为所述空调供电；When the solar power supply device is capable of supplying power, the solar power supply device is selected to supply power to the air conditioner;
当太阳能供电装置不能供电时，选择蓄电池为所述空调供电。When the solar power supply device is unable to supply power, the battery is selected to supply power to the air conditioner.
在上述控制方法的优选技术方案中，所述第二供电顺序为：太阳能供电装置、市电、蓄电池。In a preferred technical solution of the above control method, the second power supply sequence is: a solar power supply device, a commercial power source, and a storage battery.
在上述控制方法的优选技术方案中，“选用第二供电顺序为所述空调供电”的步骤具体包括：In the preferred technical solution of the foregoing control method, the step of “selecting the second power supply sequence to supply power to the air conditioner” specifically includes:
判断太阳能供电装置是否能够供电；Determining whether the solar power supply device can supply power;
当太阳能供电装置能够供电时，选择太阳能供电装置为所述空调供电；When the solar power supply device is capable of supplying power, the solar power supply device is selected to supply power to the air conditioner;
当太阳能供电装置不能供电时，判断市电是高电平还是低电平；When the solar power supply device is unable to supply power, determine whether the commercial power is high or low;
当市电为高电平时，选择市电为所述空调供电；When the utility power is at a high level, the utility power is selected to supply power to the air conditioner;
当市电为低电平时，选择蓄电池为所述空调供电。When the utility power is low, the battery is selected to supply power to the air conditioner.
在上述控制方法的优选技术方案中，当选择太阳能供电装置为所述空调供电时，所述空调的压缩机按照下列公式实时调节工作频率：In a preferred technical solution of the above control method, when the solar power supply device is selected to supply power to the air conditioner, the compressor of the air conditioner adjusts the operating frequency in real time according to the following formula:
f＝f
max*(U/U
n)
f=f max *(U/U n )
其中，f为空调压缩机的实时工作频率，U
n为空调压缩机的额定电压，U为太阳能供电装置的瞬时电压，f
max为空调压缩机的最高频率。
Where f is the real-time operating frequency of the air conditioner compressor, U n is the rated voltage of the air conditioner compressor, U is the instantaneous voltage of the solar power supply device, and f max is the highest frequency of the air conditioner compressor.
在上述控制方法的优选技术方案中，当选择市电为所述空调供电时，所述空调的压缩机按照最高工作频率运行。In a preferred embodiment of the above control method, when the mains is selected to supply power to the air conditioner, the compressor of the air conditioner operates at the highest operating frequency.
在上述控制方法的优选技术方案中，当选择蓄电池为所述空调供电时，所述空调的压缩机按照最低工作频率运行。In a preferred embodiment of the above control method, when the battery is selected to supply power to the air conditioner, the compressor of the air conditioner operates at a lowest operating frequency.
在上述控制方法的优选技术方案中，所述温度阈值为10℃。In a preferred embodiment of the above control method, the temperature threshold is 10 °C.
在上述控制方法的优选技术方案中，所述蓄电池是UPS的蓄电池。In a preferred embodiment of the above control method, the battery is a battery of the UPS.
本领域技术人员能够理解的是，在本发明的优选技术方案中，提供了两种不同的供电顺序，其中，第一供电顺序为市电、太阳能供电装置、蓄电池， 第二供电顺序为太阳能供电装置、市电、蓄电池。具体而言，在本发明的控制方法中，首先获取空调所在的环境温度和预设的目标温度，并计算环境温度和目标温度之间差的绝对值，然后判断该绝对值是否大于温度阈值，当该绝对值大于温度阈值时，证明此时空调的工作状态不理想，没有达到客户期望的效果——例如制冷效果，因此选用第一供电顺序为空调供电，即优选由功率最强劲的市电为空调供电，压缩机以最高频率运行，然后才是太阳能供电装置，最后是蓄电池；相反，当该绝对值小于或等于温度阈值时，证明此时空调的工作状态比较理想，基本达到了客户期望的效果——例如制冷效果，因此选用第二供电顺序为空调供电，即优选由成本最低的太阳能供电装置为空调供电，压缩机以与太阳能供电装置的电压匹配的频率运行，然后才是成本最高的市电，最后是蓄电池。由于采用上述技术方案，本发明能够根据空调的实际运行效果来灵活调整供电策略，从而在及时满足用户需求的前提下最大程度地降低供电成本，并减少易损耗部件(即，蓄电池)的寿命折损。It can be understood by those skilled in the art that in the preferred technical solution of the present invention, two different power supply sequences are provided, wherein the first power supply sequence is a commercial power supply, a solar power supply device, a storage battery, and the second power supply sequence is solar power supply. Equipment, mains, and batteries. Specifically, in the control method of the present invention, first, an ambient temperature at which the air conditioner is located and a preset target temperature are obtained, and an absolute value of a difference between the ambient temperature and the target temperature is calculated, and then it is determined whether the absolute value is greater than a temperature threshold. When the absolute value is greater than the temperature threshold, it proves that the working state of the air conditioner is not ideal at this time, and the effect expected by the customer is not achieved, for example, the cooling effect, so the first power supply sequence is selected to supply the air conditioner, that is, the power source with the strongest power is preferred. Powering the air conditioner, the compressor runs at the highest frequency, then the solar power supply device, and finally the battery; on the contrary, when the absolute value is less than or equal to the temperature threshold, it proves that the working state of the air conditioner is ideal, basically meeting the customer expectation. The effect, such as the cooling effect, therefore the second power supply sequence is used to power the air conditioner, ie the air conditioner is preferably powered by the lowest cost solar power supply, the compressor operates at a frequency matching the voltage of the solar power supply, and then the cost is highest The mains, and finally the battery. By adopting the above technical solution, the present invention can flexibly adjust the power supply strategy according to the actual operation effect of the air conditioner, thereby minimizing the power supply cost and reducing the life span of the consumable parts (ie, the battery) under the premise of satisfying the user's demand in time. damage.
下面参照附图来描述本发明的优选实施方式，附图中：DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings in which:
图1是本发明的空调供电的控制系统原理图；1 is a schematic diagram of a control system for an air conditioning power supply of the present invention;
图2是本发明的空调供电的控制方法的步骤流程图；2 is a flow chart showing the steps of the air conditioning power supply control method of the present invention;
图3是本发明的第一供电顺序示意图；3 is a schematic diagram of a first power supply sequence of the present invention;
图4是本发明的第二供电顺序示意图。4 is a schematic diagram of a second power supply sequence of the present invention.
附图标记列表：List of reference signs:
1、市电；2、太阳能供电装置；3、蓄电池；4、UPS控制单元；5、空调；51、压缩机；52、微控制单元；6、市电检测电路；7、第一开关；8、第二开关。1, the city power; 2, solar power supply device; 3, battery; 4, UPS control unit; 5, air conditioning; 51, compressor; 52, micro control unit; 6, mains detection circuit; 7, the first switch; , the second switch.
本领域技术人员应当理解的是，本节实施方式仅仅用于解释本发明的技术原理，并非用于限制本发明的保护范围。例如，虽然本发明的控制方法是结合附图1中所示的控制系统来描述说明的，但是本发明的控制方法还可以通过其他任意可行的控制系统来实现本领域技术人员可以根据需要对其作出调整，以便适应具体的应用场合，调整后的技术方案仍将落入本发明的保 护范围。It should be understood by those skilled in the art that the embodiments of the present invention are merely used to explain the technical principles of the present invention and are not intended to limit the scope of the present invention. For example, although the control method of the present invention is described in conjunction with the control system shown in FIG. 1, the control method of the present invention can also be implemented by any other feasible control system to enable those skilled in the art to Adjustments are made to suit the specific application, and the adjusted technical solution will still fall within the scope of the present invention.
需要说明的是，在本发明的描述中，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。此外，在本发明的描述中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域技术人员而言，可根据具体情况理解上述术语在本发明中的具体含义。It should be noted that in the description of the present invention, the terms "first", "second", and "third" are used for descriptive purposes only, and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, the terms "mounted", "connected", and "connected" are to be understood broadly, and may be, for example, a fixed connection or a detachable connection, or Connected integrally; can be mechanical or electrical; can be directly connected or indirectly connected through an intermediate medium, which can be the internal communication between the two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood on a case-by-case basis.
此外，还需要说明的是，在本发明的描述中UPS为不间断电源，即为受电负载提供不间断的电源。由于通过不间断电源为受电负载是本领域技术所熟知且经常使用的技术手段，所以此处不再做过多说明。In addition, it should also be noted that in the description of the present invention, the UPS is an uninterruptible power supply, that is, an uninterrupted power supply for the received load. Since the uninterruptible power supply is a power receiving load that is well known and frequently used in the art, no further explanation will be given here.
如图1所示，本发明的空调供电的控制系统主要包括市电1、太阳能供电装置2、蓄电池3、UPS控制单元4、空调5、市电检测电路6、第一开关7和第二开关8。其中，第二开关8的一端与空调5相连接，第二开关8的另一端能够选择地与市电1或UPS控制单元4相连接。UPS控制单元4又与太阳能供电装置2和蓄电池3分别相连接，当UPS控制单元4与空调5通过第二开关8连通时，UPS控制单元4能够使太阳能供电装置2和蓄电池3择一地或共同为空调5供电，并且UPS控制单元4还能够使太阳能供电装置2为蓄电池3充电。As shown in FIG. 1, the air conditioning power supply control system of the present invention mainly comprises a mains 1, a solar power supply device 2, a battery 3, a UPS control unit 4, an air conditioner 5, a mains detection circuit 6, a first switch 7, and a second switch. 8. One end of the second switch 8 is connected to the air conditioner 5, and the other end of the second switch 8 is selectively connectable to the mains 1 or the UPS control unit 4. The UPS control unit 4 is connected to the solar power supply device 2 and the battery 3 respectively. When the UPS control unit 4 communicates with the air conditioner 5 through the second switch 8, the UPS control unit 4 can enable the solar power supply device 2 and the battery 3 to be alternatively or The air conditioner 5 is collectively powered, and the UPS control unit 4 is also capable of causing the solar power supply unit 2 to charge the battery 3.
继续参阅图1，市电检测电路6分别与市电1、第二开关8和空调5的微控制单元52相连接。在这里，市电检测电路6用于检测市电1的电平高低，并根据市电1的电平高低控制第二开关8的切换位置状态。具体地，当市电检测电路6检测到市电1为高电平时，市电检测电路6控制第二开关8切换到第一位置与L1和N1接通，此时市电1为空调5供电；当市电检测电路6检测到市电1为低电平时，市电检测电路6控制第二开关8切换到第二位置与L2和N2接通，此时太阳能供电装置2和/或蓄电池3为空调5供电。需要说明的是，高电平表示市电1输出电压不为零，低电平表示市电1输出电压为零或接近于零。蓄电池3可以是任何能够储存电能的装置，例如锂电池、铅酸蓄电池、镍镉电池等。With continued reference to FIG. 1, the mains detection circuit 6 is coupled to the mains 1, second switch 8, and micro-control unit 52 of the air conditioner 5, respectively. Here, the commercial power detecting circuit 6 detects the level of the commercial power 1, and controls the switching position state of the second switch 8 in accordance with the level of the commercial power 1. Specifically, when the mains detection circuit 6 detects that the mains 1 is at a high level, the mains detection circuit 6 controls the second switch 8 to switch to the first position and is connected to L1 and N1. At this time, the mains 1 supplies power to the air conditioner 5. When the mains detection circuit 6 detects that the mains 1 is at a low level, the mains detection circuit 6 controls the second switch 8 to switch to the second position and is connected to L2 and N2, at this time, the solar power supply device 2 and/or the battery 3 Powering the air conditioner 5. It should be noted that the high level indicates that the mains 1 output voltage is not zero, and the low level indicates that the mains 1 output voltage is zero or close to zero. The battery 3 can be any device capable of storing electrical energy, such as a lithium battery, a lead acid battery, a nickel cadmium battery, or the like.
进一步参阅图1，UPS控制单元4还通过第一开关7与市电检测电路6通信连接。以便市电检测电路6在第一开关7闭合时还能够通过UPS控制 单元4实时监测太阳能供电装置2和蓄电池3的瞬时电压。本领域技术人员能够理解的是，在第一开关7闭合且市电1是高电平时，市电1能够为蓄电池3充电。本领域技术人员还能够理解的是，市电检测电路6还能够根据检测到的市电1、太阳能供电装置2或蓄电池3的电压通过微控制单元52控制压缩机51的转速。此外，需要说明的是，虽然图中并未示出，但是第一开关7优选地通过UPS控制单元4控制通断，或者本领域技术人员也可以根据需要，使第一开关7手动操作。并且UPS控制单元4和市电检测电路6通信连接，以便市电检测电路6检测到市电1为低电平时发送信号给UPS控制单元4，进而控制第一开关7闭合。Referring further to FIG. 1, the UPS control unit 4 is also communicatively coupled to the mains detection circuit 6 via a first switch 7. The mains detection circuit 6 can also monitor the instantaneous voltages of the solar power supply unit 2 and the battery 3 in real time through the UPS control unit 4 when the first switch 7 is closed. It will be understood by those skilled in the art that the mains 1 can charge the battery 3 when the first switch 7 is closed and the mains 1 is high. It will also be understood by those skilled in the art that the mains detection circuit 6 is also capable of controlling the rotational speed of the compressor 51 via the micro control unit 52 based on the detected mains 1, solar power supply 2 or battery 3 voltage. Further, it should be noted that although not shown in the drawings, the first switch 7 is preferably controlled to be turned on and off by the UPS control unit 4, or the first switch 7 can be manually operated as needed by those skilled in the art. And the UPS control unit 4 and the mains detection circuit 6 are communicatively connected, so that the mains detection circuit 6 detects that the mains 1 is low, and sends a signal to the UPS control unit 4, thereby controlling the first switch 7 to be closed.
需要说明的是，空调5在不工作的状态下，第一开关7处于断开，第二开关8与L1和N1接通。或者本领域技术人员也可以根据需要，对第一开关7和第二开关8在空调5不工作时的位置状态进行适当调整，例如在空调5不工作时使第一开关7接通，使第二开关8与L2和N2接通。It should be noted that when the air conditioner 5 is not in operation, the first switch 7 is turned off, and the second switch 8 is turned on with L1 and N1. Alternatively, the person skilled in the art can appropriately adjust the position state of the first switch 7 and the second switch 8 when the air conditioner 5 is not working, for example, when the air conditioner 5 is not working, the first switch 7 is turned on, so that the first switch 7 is turned on. The second switch 8 is connected to L2 and N2.
本领域技术人员能够理解的是，太阳能供电装置2和蓄电池3可以是独立于空调5的电源供给设备，也可以是与空调5集成在一起或与空调5成套出售的电源供给设备。It will be understood by those skilled in the art that the solar power supply device 2 and the battery 3 may be power supply devices independent of the air conditioner 5, or may be power supply devices integrated with the air conditioner 5 or sold with the air conditioner 5.
下面参照图2至图4并结合图1来对本发明的空调供电的控制方法进行详细说明。The control method of the air conditioner power supply of the present invention will be described in detail below with reference to Figs. 2 to 4 and Fig. 1 .
如图2所示，本发明的空调供电的控制方法主要包括以下步骤：As shown in FIG. 2, the air conditioning power supply control method of the present invention mainly includes the following steps:
步骤S110，获取空调5所在的环境温度和预设的目标温度；Step S110, obtaining an ambient temperature of the air conditioner 5 and a preset target temperature;
步骤S120，计算环境温度和目标温度之间差的绝对值；Step S120, calculating an absolute value of a difference between the ambient temperature and the target temperature;
步骤S130，判断绝对值是否大于温度阈值；Step S130, determining whether the absolute value is greater than a temperature threshold;
步骤S140，当绝对值大于温度阈值时，选用第一供电顺序为空调5供电；Step S140, when the absolute value is greater than the temperature threshold, the first power supply sequence is selected to supply power to the air conditioner 5;
步骤S150，当绝对值小于或等于温度阈值时，选用不同于第一供电顺序的第二供电顺序为空调5供电。Step S150: When the absolute value is less than or equal to the temperature threshold, the second power supply sequence different from the first power supply sequence is selected to supply power to the air conditioner 5.
在步骤S110中，环境温度指的是空调5的室内机所处的环境温度，即室内温度。目标温度指的是用户预期达到的室内温度，或室内温度达到平衡程度时空调5的室内机冷风出口的温度。具体地，通过设置在空调5的室内机进风口处的温度传感器来获取环境温度，通过与空调5的微控制单元52通信连接的空调遥控器来设定目标温度。此外，本领域技术人员还可以通过 其他任意可行的方式和装置获取空调5的室内机所在的环境温度，例如设置在室内其他任意位置且与空调5的微控制单元52通信连接的温度传感器。In step S110, the ambient temperature refers to the ambient temperature at which the indoor unit of the air conditioner 5 is located, that is, the indoor temperature. The target temperature refers to the indoor temperature reached by the user, or the temperature of the indoor air-cooling outlet of the air conditioner 5 when the indoor temperature reaches a balance level. Specifically, the ambient temperature is acquired by a temperature sensor provided at the indoor air inlet of the air conditioner 5, and the target temperature is set by the air conditioner remote controller communicably connected to the micro control unit 52 of the air conditioner 5. In addition, those skilled in the art can obtain the ambient temperature of the indoor unit of the air conditioner 5 by any other feasible means and device, for example, a temperature sensor that is disposed at any other position in the room and is communicably connected to the micro control unit 52 of the air conditioner 5.
在步骤S120中，通过空调5的微控制单元52计算环境温度和目标温度之间差的绝对值。本领域技术人员能够理解的是，上述的温度传感器与微控制单元52之间通信连接，以便温度传感器将检测到环境温度和空调遥控器设定的目标温度发送给微控制单元52。In step S120, the absolute value of the difference between the ambient temperature and the target temperature is calculated by the micro control unit 52 of the air conditioner 5. Those skilled in the art can understand that the above temperature sensor is in communication connection with the micro control unit 52, so that the temperature sensor transmits the detected ambient temperature and the target temperature set by the air conditioner remote controller to the micro control unit 52.
在步骤S130中，通过空调5的微控制单元52判断上述绝对值是否大于温度阈值。当绝对值大于温度阈值时，则判定空调5的工作状态不理想，未达到用户期望的制冷效果，执行步骤S140，优选由输出功率最强劲的市电1为空调5供电，压缩机51以最高频率运行，然后才是太阳能供电装置2，最后是蓄电池3。当绝对值小于或等于温度阈值时，则判定空调5的工作状态比较理想，基本达到了客户期望的制冷效果，执行步骤S150，优选由供电成本最低的太阳能供电装置2为空调5供电，压缩机51以与太阳能供电装置2的电压匹配的频率运行，然后才是供电成本最高的市电1，最后是蓄电池3。其中，温度阈值为预设的数值，在本发明的优选实施方案中温度阈值为10℃。或者本领域技术人员也可以根据实际需要，将温度阈值设置为其他任意可行的数值，例如5℃、8℃、12℃等。In step S130, it is judged by the micro control unit 52 of the air conditioner 5 whether or not the above absolute value is greater than the temperature threshold. When the absolute value is greater than the temperature threshold, it is determined that the operating state of the air conditioner 5 is not satisfactory, and the cooling effect desired by the user is not reached. Step S140 is performed, and the air conditioner 5 is preferably powered by the commercial power 1 with the strongest output power, and the compressor 51 is the highest. The frequency is run, then the solar power supply 2, and finally the battery 3. When the absolute value is less than or equal to the temperature threshold, it is determined that the working state of the air conditioner 5 is ideal, and the cooling effect desired by the customer is substantially achieved. Step S150 is performed, preferably, the solar power supply device 2 with the lowest power supply cost supplies power to the air conditioner 5, and the compressor is powered. 51 operates at a frequency matching the voltage of the solar power supply unit 2, and then is the power supply 1 with the highest power supply cost, and finally the battery 3. Wherein the temperature threshold is a preset value, and in a preferred embodiment of the invention the temperature threshold is 10 °C. Or the person skilled in the art can set the temperature threshold to any other feasible value according to actual needs, for example, 5 ° C, 8 ° C, 12 ° C, and the like.
在步骤S140中，当绝对值大于温度阈值时，选用第一供电顺序为空调5供电。其中，第一供电顺序为：市电1、太阳能供电装置2、蓄电池3。In step S140, when the absolute value is greater than the temperature threshold, the first power supply sequence is selected to supply power to the air conditioner 5. The first power supply sequence is: mains 1, solar power supply 2, and battery 3.
在步骤S150中，当绝对值小于或等于温度阈值时，选用第二供电顺序为空调5供电。其中，太阳能供电装置2、市电1、蓄电池3。In step S150, when the absolute value is less than or equal to the temperature threshold, the second power supply sequence is selected to supply power to the air conditioner 5. Among them, solar power supply device 2, mains 1, and battery 3.
如图3所示，步骤S140具体还包括以下步骤：As shown in FIG. 3, step S140 specifically includes the following steps:
步骤S141，判断市电1是高电平还是低电平；Step S141, determining whether the main power 1 is a high level or a low level;
步骤S142，当市电1为高电平时，选择市电1为空调5供电；Step S142, when the mains 1 is at a high level, the mains 1 is selected to supply power to the air conditioner 5;
步骤S143，当市电1为低电平时，判断太阳能供电装置2是否能够供电；Step S143, when the commercial power 1 is at a low level, it is determined whether the solar power supply device 2 can supply power;
步骤S144，当太阳能供电装置2能够供电时，选择太阳能供电装置2为空调5供电；Step S144, when the solar power supply device 2 is capable of supplying power, the solar power supply device 2 is selected to supply power to the air conditioner 5;
步骤S145，当太阳能供电装置2不能供电时，选择蓄电池3为空调5供电。In step S145, when the solar power supply device 2 cannot supply power, the battery 3 is selected to supply power to the air conditioner 5.
如图1所示，在步骤S142中，市电检测电路6检测到市电1为高电平， 使第一开关7断开，使第二开关8与L1和N1接通，市电1为空调5供电。同时，市电检测电路6发送信号给微控制单元52，微控制单元52控制压缩机51以最高的工作频率运行，以便空调5能够迅速降低室温并使室温达到目标温度。其中，压缩机51最高的工作频率记做f
max。
As shown in FIG. 1, in step S142, the mains detection circuit 6 detects that the mains 1 is at a high level, turns off the first switch 7, and turns on the second switch 8 and L1 and N1, and the mains 1 is Air conditioner 5 is powered. At the same time, the mains detection circuit 6 sends a signal to the micro control unit 52, which controls the compressor 51 to operate at the highest operating frequency so that the air conditioner 5 can quickly lower the room temperature and bring the room temperature to the target temperature. Among them, the highest operating frequency of the compressor 51 is denoted as f max .
继续参阅图1，在步骤S144中，市电检测电路6检测到市电1为低电平，使第一开关7闭合，使第二开关8与L2和N2接通，太阳能供电装置2为空调5供电。同时，微控制单元52控制压缩机51按照下列公式实时调节工作频率：With continued reference to FIG. 1, in step S144, the mains detection circuit 6 detects that the mains 1 is at a low level, the first switch 7 is closed, the second switch 8 is connected to L2 and N2, and the solar power supply device 2 is an air conditioner. 5 power supply. At the same time, the micro control unit 52 controls the compressor 51 to adjust the operating frequency in real time according to the following formula:
f＝f
max*(U/U
n)
f=f max *(U/U n )
其中，f为压缩机51的实时工作频率，U
n为压缩机51的额定电压，U为太阳能供电装置的瞬时电压。
Where f is the real-time operating frequency of the compressor 51, U n is the rated voltage of the compressor 51, and U is the instantaneous voltage of the solar power supply device.
进一步参阅图1，在步骤S145中，使第一开关7闭合，使第二开关8与L2和N2接通，蓄电池3为空调5供电。同时，微控制单元52控制压缩机51以最低的工作频率运行，以便蓄电池3的储电量使空调5尽量能够坚持工作到来电(市电1为高电平)。其中，压缩机51最低的工作频率记做f
min。需要说明的是，在蓄电池3为空调5供电的同时，太阳能供电装置2可选择地为蓄电池3充电。
Referring further to FIG. 1, in step S145, the first switch 7 is closed, the second switch 8 is turned on with L2 and N2, and the battery 3 supplies power to the air conditioner 5. At the same time, the micro control unit 52 controls the compressor 51 to operate at the lowest operating frequency, so that the storage capacity of the battery 3 enables the air conditioner 5 to adhere to the incoming call as much as possible (the mains 1 is high). Among them, the lowest operating frequency of the compressor 51 is denoted as f min . It should be noted that while the battery 3 supplies power to the air conditioner 5, the solar power feeding device 2 can selectively charge the battery 3.
如图4所示，步骤S150具体还包括以下步骤：As shown in FIG. 4, step S150 specifically includes the following steps:
步骤S151，判断太阳能供电装置2是否能够供电；Step S151, determining whether the solar power supply device 2 can supply power;
步骤S152，当太阳能供电装置2能够供电时，选择太阳能供电装置2为空调5供电；Step S152, when the solar power supply device 2 is capable of supplying power, the solar power supply device 2 is selected to supply power to the air conditioner 5;
步骤S153，当太阳能供电装置2不能供电时，判断市电1是高电平还是低电平；Step S153, when the solar power supply device 2 cannot supply power, determine whether the commercial power 1 is high level or low level;
步骤S154，当市电1为高电平时，选择市电1为空调5供电；Step S154, when the mains 1 is at a high level, the mains 1 is selected to supply power to the air conditioner 5;
步骤S155，当市电1为低电平时，选择蓄电池3为空调5供电。In step S155, when the commercial power 1 is at a low level, the battery 3 is selected to supply power to the air conditioner 5.
如图1所示，在步骤S152中，使第一开关7断开，使第二开关8与L2和N2接通，太阳能供电装置2为空调5供电。同时，微控制单元52控制压缩机51按照下列公式实时调节工作频率：As shown in FIG. 1, in step S152, the first switch 7 is turned off, the second switch 8 is turned on with L2 and N2, and the solar power supply device 2 supplies power to the air conditioner 5. At the same time, the micro control unit 52 controls the compressor 51 to adjust the operating frequency in real time according to the following formula:
f＝f
max*(U/U
n)。
f = f max * (U / U n ).
继续参阅图1，市电检测电路6检测到市电1为高电平，使第一开关7断开，使第二开关8与L1和N1接通，市电1为空调5供电。同时，市电 检测电路6发送信号给微控制单元52，微控制单元52控制压缩机51以最高的工作频率运行。其中，压缩机51最高的工作频率记做f
max。
Continuing to refer to FIG. 1, the mains detection circuit 6 detects that the mains 1 is at a high level, turns off the first switch 7, turns the second switch 8 on with L1 and N1, and the mains 1 supplies power to the air conditioner 5. At the same time, the mains detection circuit 6 sends a signal to the micro control unit 52, which controls the compressor 51 to operate at the highest operating frequency. Among them, the highest operating frequency of the compressor 51 is denoted as f max .
进一步参阅图1，在步骤S155中，使第一开关7闭合，使第二开关8与L2和N2接通，蓄电池3为空调5供电。同时，微控制单元52控制压缩机51以最低的工作频率运行。其中，压缩机51最低的工作频率记做f
min。需要说明的是，在蓄电池3为空调5供电的同时，太阳能供电装置2可选择地为蓄电池3充电。
Referring further to FIG. 1, in step S155, the first switch 7 is closed, the second switch 8 is turned on with L2 and N2, and the battery 3 supplies power to the air conditioner 5. At the same time, the micro control unit 52 controls the compressor 51 to operate at the lowest operating frequency. Among them, the lowest operating frequency of the compressor 51 is denoted as f min . It should be noted that while the battery 3 supplies power to the air conditioner 5, the solar power feeding device 2 can selectively charge the battery 3.
综上所述，在本发明的优选实施方案中，通过获取空调所在的环境温度和预设的目标温度，并计算环境温度和目标温度之间差的绝对值。然后判断绝对值是否大于温度阈值，当绝对值大于温度阈值时，证明此时空调5的工作状态不理想，没有达到客户期望的制冷效果，因此选用第一供电顺序为空调5供电，即优选由功率最强劲的市电1为空调5供电，压缩机51以最高频率运行，然后才是太阳能供电装置2，最后是蓄电池3；相反，当该绝对值小于或等于温度阈值时，证明此时空调5的工作状态比较理想，基本达到了客户期望的效果——例如制冷效果，因此选用第二供电顺序为空调5供电，即优选由成本最低的太阳能供电装置2为空调5供电，压缩机51以与太阳能供电装置2的电压匹配的频率运行，然后才是成本最高的市电1，最后是蓄电池3。由于采用上述技术方案，本发明能够根据空调5的实际运行效果来灵活调整供电策略，从而在及时满足用户需求的前提下最大程度地降低供电成本，并减少易损耗部件(即，蓄电池3)的寿命折损。因此本发明不仅能够保证空调5正常工作，还能够使得空调5在制冷效果理想时通过太阳能供电装置2供电，从而缓解了电网负荷，为需要用电的其它设备提供了用电保障，大大地缓解了欠发达国家或地区的用电压力。In summary, in a preferred embodiment of the present invention, the absolute value of the difference between the ambient temperature and the target temperature is calculated by obtaining the ambient temperature at which the air conditioner is located and the preset target temperature. Then, it is judged whether the absolute value is greater than the temperature threshold. When the absolute value is greater than the temperature threshold, it is proved that the working state of the air conditioner 5 is not ideal at this time, and the cooling effect desired by the customer is not achieved. Therefore, the first power supply sequence is selected to supply power to the air conditioner 5, that is, preferably The most powerful mains 1 supplies power to the air conditioner 5, the compressor 51 operates at the highest frequency, then the solar power supply 2, and finally the battery 3; conversely, when the absolute value is less than or equal to the temperature threshold, the air conditioner is proved The working state of 5 is ideal, basically achieving the effect desired by the customer - for example, the cooling effect, so the second power supply sequence is selected to supply power to the air conditioner 5, that is, the air conditioner 5 is preferably powered by the lowest cost solar power supply device 2, and the compressor 51 is It operates at a frequency matching the voltage of the solar power supply unit 2, and then is the most expensive mains 1, and finally the battery 3. By adopting the above technical solution, the present invention can flexibly adjust the power supply strategy according to the actual operation effect of the air conditioner 5, thereby minimizing the power supply cost and reducing the lossy components (ie, the battery 3) under the premise of satisfying the user's demand in time. Life is broken. Therefore, the present invention can not only ensure the normal operation of the air conditioner 5, but also enable the air conditioner 5 to supply power through the solar power supply device 2 when the cooling effect is ideal, thereby alleviating the load on the power grid, providing power protection for other devices requiring power consumption, and greatly alleviating The voltage used in less developed countries or regions.
本领域技术人员能够理解的是，在本发明其他任何可行的实时方案中，本领域技术人员也可以根据需要，将第一供电顺序和第二供电顺序进行适当调整。例如，将第一供电顺序调整为“市电1、太阳能供电装置2和蓄电池3”三者同时为空调5供电；将第二供电顺序调整为“市电1”、“太阳能供电装置2和蓄电池3”。Those skilled in the art can understand that in any other feasible real-time solution of the present invention, those skilled in the art can also appropriately adjust the first power supply sequence and the second power supply sequence as needed. For example, the first power supply sequence is adjusted to "mains 1, solar power supply 2 and battery 3" simultaneously supplying power to the air conditioner 5; the second power supply sequence is adjusted to "mains 1", "solar power supply 2 and battery" 3".
本领域技术人员能够理解的是，市电1、太阳能供电装置2和蓄电池3为空调5供电的切换方式可以是通过相应的控制模块和控制程序自动控制，也可以是通过用户手动操作。It can be understood by those skilled in the art that the switching mode of the mains 1, the solar power supply device 2 and the battery 3 for supplying power to the air conditioner 5 may be automatically controlled by a corresponding control module and a control program, or may be manually operated by a user.
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。Heretofore, the technical solutions of the present invention have been described in conjunction with the preferred embodiments shown in the drawings, but it is obvious to those skilled in the art that the scope of the present invention is obviously not limited to the specific embodiments. Those skilled in the art can make equivalent changes or substitutions to the related technical features without departing from the principles of the present invention, and the technical solutions after the modifications or replacements fall within the scope of the present invention.
Claims (10)
- 一种空调供电的控制方法，所述空调能够选择性地由市电、太阳能供电装置和蓄电池中的一个或多个供电，An air conditioning power supply control method, the air conditioner being selectively capable of being powered by one or more of a mains, a solar power supply, and a battery,其特征在于，所述控制方法包括以下步骤：The method of controlling comprises the steps of:获取所述空调所在的环境温度和预设的目标温度；Obtaining an ambient temperature of the air conditioner and a preset target temperature;计算所述环境温度和所述目标温度之间差的绝对值；Calculating an absolute value of a difference between the ambient temperature and the target temperature;判断所述绝对值是否大于温度阈值；Determining whether the absolute value is greater than a temperature threshold;当所述绝对值大于所述温度阈值时，选用第一供电顺序为所述空调供电；When the absolute value is greater than the temperature threshold, the first power supply sequence is selected to supply power to the air conditioner;当所述绝对值小于或等于所述温度阈值时，选用不同于所述第一供电顺序的第二供电顺序为所述空调供电。When the absolute value is less than or equal to the temperature threshold, power is supplied to the air conditioner by using a second power supply sequence different from the first power supply sequence.
- 根据权利要求1所述的空调供电的控制方法，其特征在于，所述第一供电顺序为：市电、太阳能供电装置、蓄电池。The air conditioning power supply control method according to claim 1, wherein the first power supply sequence is: a commercial power supply, a solar power supply device, and a storage battery.
- 根据权利要求2所述的空调供电的控制方法，其特征在于，“选用第一供电顺序为所述空调供电”的步骤具体包括：The method for controlling the power supply of the air conditioner according to claim 2, wherein the step of: "selecting the first power supply sequence to supply power to the air conditioner" comprises:判断市电是高电平还是低电平；Determine whether the mains is high or low;当市电为高电平时，选择市电为所述空调供电；When the utility power is at a high level, the utility power is selected to supply power to the air conditioner;当市电为低电平时，判断太阳能供电装置是否能够供电；When the utility power is low, it is determined whether the solar power supply device can supply power;当太阳能供电装置能够供电时，选择太阳能供电装置为所述空调供电；When the solar power supply device is capable of supplying power, the solar power supply device is selected to supply power to the air conditioner;当太阳能供电装置不能供电时，选择蓄电池为所述空调供电。When the solar power supply device is unable to supply power, the battery is selected to supply power to the air conditioner.
- 根据权利要求1所述的空调供电的控制方法，其特征在于，所述第二供电顺序为：太阳能供电装置、市电、蓄电池。The air conditioning power supply control method according to claim 1, wherein the second power supply sequence is: a solar power supply device, a commercial power source, and a storage battery.
- 根据权利要求4所述的空调供电的控制方法，其特征在于，“选用第二供电顺序为所述空调供电”的步骤具体包括：The method for controlling the power supply of the air conditioner according to claim 4, wherein the step of: "selecting the second power supply sequence to supply power to the air conditioner" comprises:判断太阳能供电装置是否能够供电；Determining whether the solar power supply device can supply power;当太阳能供电装置能够供电时，选择太阳能供电装置为所述空调供电；When the solar power supply device is capable of supplying power, the solar power supply device is selected to supply power to the air conditioner;当太阳能供电装置不能供电时，判断市电是高电平还是低电平；When the solar power supply device is unable to supply power, determine whether the commercial power is high or low;当市电为高电平时，选择市电为所述空调供电；When the utility power is at a high level, the utility power is selected to supply power to the air conditioner;当市电为低电平时，选择蓄电池为所述空调供电。When the utility power is low, the battery is selected to supply power to the air conditioner.
- 根据权利要求2至5中任一项所述的空调供电的控制方法，其特征在于，当选择太阳能供电装置为所述空调供电时，所述空调的压缩机按照下列 公式实时调节工作频率：The air conditioning power supply control method according to any one of claims 2 to 5, characterized in that, when the solar power supply device is selected to supply power to the air conditioner, the air conditioner compressor adjusts the operating frequency in real time according to the following formula:f＝f max*(U/U n) f=f max *(U/U n )其中，f为空调压缩机的实时工作频率，U n为空调压缩机的额定电压，U为太阳能供电装置的瞬时电压，f max为空调压缩机的最高频率。 Where f is the real-time operating frequency of the air conditioner compressor, U n is the rated voltage of the air conditioner compressor, U is the instantaneous voltage of the solar power supply device, and f max is the highest frequency of the air conditioner compressor.
- 根据权利要求2至5中任一项所述的空调供电的控制方法，其特征在于，当选择市电为所述空调供电时，所述空调的压缩机按照最高工作频率运行。The air conditioning power supply control method according to any one of claims 2 to 5, characterized in that, when the mains is selected to supply power to the air conditioner, the compressor of the air conditioner operates at the highest operating frequency.
- 根据权利要求2至5中任一项所述的空调供电的控制方法，其特征在于，当选择蓄电池为所述空调供电时，所述空调的压缩机按照最低工作频率运行。The air conditioning power supply control method according to any one of claims 2 to 5, characterized in that, when the battery is selected to supply power to the air conditioner, the compressor of the air conditioner operates at a lowest operating frequency.
- 根据权利要求1至5中任一项所述的空调供电的控制方法，其特征在于，所述温度阈值为10℃。The air conditioning power supply control method according to any one of claims 1 to 5, wherein the temperature threshold is 10 °C.
- 根据权利要求1至5中任一项所述的空调供电的控制方法，其特征在于，所述蓄电池是UPS的蓄电池。The air conditioning power supply control method according to any one of claims 1 to 5, characterized in that the battery is a battery of a UPS.
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| CN111854062A (en) * | 2020-07-21 | 2020-10-30 | 广东多乐信电器有限公司 | Control method of solar air cooler |
| CN114234415A (en) * | 2021-11-25 | 2022-03-25 | 青岛海尔空调器有限总公司 | Method and device for controlling air conditioner, air conditioner and storage medium |
| CN114371772B (en) * | 2021-11-26 | 2023-10-20 | 天津市英贝特航天科技有限公司 | Method, device and equipment for high-low temperature self-adaptive power-on time sequence |
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| WO2012085605A1 (en) * | 2010-12-23 | 2012-06-28 | JAKAB, Tamás | Adsorption thermal compressor technology and apparatuses |
| CN104374023A (en) * | 2014-11-10 | 2015-02-25 | 江苏创兰太阳能空调有限公司 | Frequency conversion solar air conditioner |
| CN105485858A (en) * | 2016-01-05 | 2016-04-13 | 青岛海尔空调器有限总公司 | Control method for air conditioner and air conditioner |
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