CN115076940B - Electric heating control method for air conditioner and electric heating control device for air conditioner - Google Patents
Electric heating control method for air conditioner and electric heating control device for air conditioner Download PDFInfo
- Publication number
- CN115076940B CN115076940B CN202210733557.0A CN202210733557A CN115076940B CN 115076940 B CN115076940 B CN 115076940B CN 202210733557 A CN202210733557 A CN 202210733557A CN 115076940 B CN115076940 B CN 115076940B
- Authority
- CN
- China
- Prior art keywords
- electric heating
- current
- air conditioner
- preset
- temperature
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 133
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010438 heat treatment Methods 0.000 claims description 19
- 238000007791 dehumidification Methods 0.000 claims description 8
- 238000010257 thawing Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- 238000005070 sampling Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 claims 4
- 238000004378 air conditioning Methods 0.000 claims 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 231100000817 safety factor Toxicity 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
Classifications
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
-
- 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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- 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
-
- 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
- F24F11/65—Electronic processing for selecting an operating mode
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
- F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
- F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/873—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling refrigerant heaters
-
- 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
-
- 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
- F24F2110/12—Temperature of the outside air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/50—Load
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Fluid Mechanics (AREA)
- Thermal Sciences (AREA)
- Air Conditioning Control Device (AREA)
Abstract
Description
技术领域technical field
本发明涉及空调机电加热技术领域，尤其涉及一种空调机的电加热控制方法和空调机的电加热控制装置。The invention relates to the technical field of electric heating for air conditioners, in particular to an electric heating control method for an air conditioner and an electric heating control device for an air conditioner.
背景技术Background technique
空调机已经成为人们生活和工作不可缺少的电器之一。随着人们的生活质量的提高，用户对空调机的质量的要求也越来越高。空调的主要功能是调节室内温度，对温度的调节的功能的好坏直接影响用户体验。Air conditioners have become one of the indispensable electrical appliances for people's life and work. With the improvement of people's quality of life, users have higher and higher requirements for the quality of air conditioners. The main function of the air conditioner is to adjust the indoor temperature, and the quality of the temperature adjustment function directly affects the user experience.
作为调节室温的智能设备，制热功能是空调的基本功能之一。空调执行制热功能时，尤其是在室外环境温度较低的情况下，会出现外机的冷凝器换热不足，内机的换热器供热量锐减，进而使得空调调节的室温舒适性体验变差。当前国内空调普遍装有电加热，通过开启电加热，提升内机出风温度，改善舒适性体验。但是目前对于空调器电加热的开启或关闭等控制，多数基于室内外温度等的检测技术，缺乏整机的电器安全因素考量。As a smart device to adjust the room temperature, the heating function is one of the basic functions of the air conditioner. When the air conditioner performs the heating function, especially when the outdoor ambient temperature is low, the heat exchange of the condenser of the outdoor unit will be insufficient, and the heat supplied by the heat exchanger of the indoor unit will drop sharply, which will make the room temperature adjusted by the air conditioner more comfortable. The experience gets worse. At present, domestic air conditioners are generally equipped with electric heating. By turning on the electric heating, the temperature of the air outlet from the internal unit can be increased to improve the comfort experience. However, at present, for the control of turning on or off the electric heating of the air conditioner, most of them are based on the detection technology of indoor and outdoor temperature, etc., and lack the consideration of the electrical safety factors of the whole machine.
发明内容Contents of the invention
有鉴于此，本发明旨在提供一种空调机的电加热控制方法，通过综合整机的温度、电流等因素，对室内加热功能进行智能调节，解决了目前对于空调器电加热的开启或关闭等控制，多数基于室内外温度等的检测技术，缺乏整机的电器安全因素考量的问题。In view of this, the present invention aims to provide an electric heating control method for an air conditioner, which intelligently adjusts the indoor heating function by integrating factors such as the temperature and current of the whole machine, and solves the current problem of turning on or off the electric heating of the air conditioner. Most of the control is based on the detection technology of indoor and outdoor temperature, etc., which lacks the consideration of electrical safety factors of the whole machine.
为达到上述目的，本发明的技术方案是这样实现的：In order to achieve the above object, technical solution of the present invention is achieved in that way:
一种空调机的电加热控制方法，包括：An electric heating control method for an air conditioner, comprising:
S100、实时检测空调机的运行参数；S100, detecting the operating parameters of the air conditioner in real time;
S200、根据所述空调机的运行参数，当同时满足电加热启动的预设启动条件时，所述空调机通过手动操作启动电加热功能；S200. According to the operating parameters of the air conditioner, when the preset starting conditions for starting the electric heating are met at the same time, the air conditioner manually starts the electric heating function;
所述预设启动条件包括：负载条件、时间条件、负荷条件、电流条件和电加热投入保护条件；The preset starting conditions include: load conditions, time conditions, load conditions, current conditions and electric heating input protection conditions;
S300、当满足所述预设启动条件时，并且，室外环境温度To和室内环境温度Ti超出预设温度范围时，所述空调机自动启动电加热功能；S300. When the preset startup condition is met, and the outdoor ambient temperature To and the indoor ambient temperature Ti exceed the preset temperature range, the air conditioner automatically starts the electric heating function;
S400、根据所述空调机的运行参数和接收到的控制信号，当满足电加热的预设关闭条件时，所述电加热功能关闭。S400. According to the operating parameters of the air conditioner and the received control signal, when the preset shutdown condition of the electric heating is satisfied, the electric heating function is turned off.
进一步地，在步骤S100中，所述运行参数包括：用户设定温度Ts，室内环境温度Ti、室外环境温度To和室内机风机转速，室内机电流值、室外机电流值和采样周期K ms。Further, in step S100, the operating parameters include: user-set temperature Ts, indoor ambient temperature Ti, outdoor ambient temperature To, indoor unit fan speed, indoor unit current value, outdoor unit current value, and sampling period K ms.
进一步地，在步骤S200中：Further, in step S200:
所述负载条件：室内机风机的风速在预设风速以上；The load condition: the wind speed of the indoor fan is above the preset wind speed;
所述时间条件：根据空调机的运行情况和模式，间隔相应的预设启动时间启动电加热功能；The time condition: according to the operating conditions and modes of the air conditioner, start the electric heating function at the corresponding preset start time;
所述负荷条件：室内环境温度Ti与设定温度Ts的温差处于预设温差阈值范围内。The load condition: the temperature difference between the indoor ambient temperature Ti and the set temperature Ts is within the preset temperature difference threshold range.
所述电流条件：包括室内机电流Ii和室外机电流Io满足预设电流范围；The current conditions: include that the indoor unit current Ii and the outdoor unit current Io meet the preset current range;
所述电加热投入保护条件：室内机电流Ii和室外机电流Io处于预设电流范围的临界过流界限。The electric heating input protection condition: the current Ii of the indoor unit and the current Io of the outdoor unit are within the critical overcurrent limit of the preset current range.
进一步地，所述预设风速为低速挡风速；Further, the preset wind speed is a low-speed blocking wind speed;
所述时间条件包括：The time conditions include:
首次制热开机、除制冷模式/除湿模式之外的模式转到制热模式时，电加热启动；When the heating is turned on for the first time, and when the mode other than the cooling mode/dehumidification mode is switched to the heating mode, the electric heating starts;
空调制冷或除湿模式下，压缩机连续运行时间≥3min后，转入制热模式，当满足室内风机连续运行时间≥10min后，电加热启动；In the cooling or dehumidification mode of the air conditioner, after the continuous running time of the compressor ≥ 3 minutes, it will switch to the heating mode, and when the continuous running time of the indoor fan is ≥ 10 minutes, the electric heating will start;
制热运行过程中，电加热退出后，间隔时间≥5min电加热再启动；During the heating operation, after the electric heating exits, the electric heating restarts at an interval of ≥5 minutes;
所述预设温差阈值为1℃，所述负荷条件为室内环境温度Ti与设定温度Ts的温差≤1℃；The preset temperature difference threshold is 1°C, and the load condition is that the temperature difference between the indoor ambient temperature Ti and the set temperature Ts is ≤1°C;
所述电流条件包括：The current conditions include:
当Io≤Iol时，电加热投入使用；When Io≤Iol, electric heating is put into use;
当Iol＜Io≤Iol+α，电加热维持前一运行状态；When Iol<Io≤Iol+α, the electric heater maintains the previous operating state;
电加热退出状态下，Io连续维持在Iol＜Io≤Iol+α范围内达5min以上时，进入内机电流限制条件判断：In the state of electric heating exit, when Io is continuously maintained in the range of Iol<Io≤Iol+α for more than 5 minutes, enter the judgment of the current limiting condition of the internal machine:
当Ii＜Iil–β时，电加热启动；When Ii<Iil–β, electric heating starts;
当Iil–β≤Ii＜Iil时，压缩机目标频率按照2Hz/调频周期，执行压缩机降频，直至满足Io≤Iol时，电加热启动；When Iil–β≤Ii<Iil, the target frequency of the compressor is 2Hz/frequency modulation cycle, and the frequency reduction of the compressor is performed until Io≤Iol is satisfied, and the electric heating is started;
其中，Io-室外机电流，Iol-室外机限制电流，α-室外机电流安全系数，Among them, Io-outdoor unit current, Iol-outdoor unit limit current, α-outdoor unit current safety factor,
Ii-室内机电流，Iil-室内机限制电流，β-室内机电流安全系数；Ii-indoor unit current, Iil-indoor unit limited current, β-indoor unit current safety factor;
所述电加热投入保护条件包括：The protection conditions for the electric heating input include:
当Iil–β≤Ii＜Iil，并且Io≤Iol，电加热启动时，执行电流过流保护功能。When Iil–β≤Ii<Iil, and Io≤Iol, when the electric heating is started, the current overcurrent protection function is performed.
进一步地，满足所述电加热投入保护条件，执行电流过流保护功能的方法包括：Further, the method for implementing the current overcurrent protection function if the electric heating input protection condition is met includes:
电加热投入后的前3min内，压缩机目标频率禁止升频；Within the first 3 minutes after the electric heating is put into use, the target frequency of the compressor is forbidden to be increased;
电加热投入后的3min后，压缩机目标频率执行常规精确控温逻辑，控制压缩机正常运行。After 3 minutes after the electric heating is turned on, the target frequency of the compressor executes the conventional precise temperature control logic to control the normal operation of the compressor.
进一步地，所述空调机自动启动电加热功能的方法包括：Further, the method for automatically starting the electric heating function of the air conditioner includes:
当室外环温To＜-3℃且室内环温Ti＜32℃持续预设时间时，电加热功能自动开启。When the outdoor ambient temperature To<-3°C and the indoor ambient temperature Ti<32°C for the preset time, the electric heating function will be automatically turned on.
进一步地，所述预设关闭条件包括：负载条件、信号条件、负荷条件、室内热负荷条件、电流条件和运行模式条件中的至少一项；Further, the preset shutdown conditions include: at least one of load conditions, signal conditions, load conditions, indoor heat load conditions, current conditions and operating mode conditions;
所述负载条件：室内机风速＜低风档或室内风机停机；The load conditions: indoor unit wind speed < low wind speed or indoor fan shutdown;
所述信号条件：用户按键关闭电加热功能；The signal condition: the user presses a button to turn off the electric heating function;
所述负荷条件：当室外环温To＜-3℃且室内环温Ti＜32℃持续预设时间时，电加热功能自动开启后，则The load condition: when the outdoor ambient temperature To < -3°C and the indoor ambient temperature Ti < 32°C for a preset time, after the electric heating function is automatically turned on, then
当室外环境温度To≥-3℃，电加热关闭；When the outdoor ambient temperature To≥-3°C, the electric heating is turned off;
当室内环境温度Ti≥32℃，并且持续预设时间时，电加热关闭；When the indoor ambient temperature Ti≥32°C and lasts for a preset time, the electric heating is turned off;
所述室内热负荷条件：Ti-Ts≥1℃时，电加热关闭；The indoor heat load condition: when Ti-Ts≥1°C, the electric heating is turned off;
所述电流条件包括：室外机电流Io与室外机限制电流Iol的差值或室内机电流Ii与室内机限制电流Iil的差值超出预设范围；The current conditions include: the difference between the outdoor unit current Io and the outdoor unit limited current Iol or the difference between the indoor unit current Ii and the indoor unit limited current Iil exceeds a preset range;
所述运行模式条件：除制热模式和除霜模式之外的运行模式。Said operating mode condition: an operating mode other than heating mode and defrosting mode.
进一步地，所述预设关闭条件的所述电流条件包括：Further, the current conditions of the preset closing conditions include:
Io＞Iol+α时，电加热关闭；When Io>Iol+α, the electric heating is turned off;
在满足所述电流条件中的当Iil–β≤Ii＜Iil时，压缩机目标频率按照2Hz/调频周期，执行压缩机降频，直至满足Io≤Iol时，电加热启动后，当Ii＞Iil时，电加热关闭。When Iil–β≤Ii<Iil in the above current conditions is satisfied, the target frequency of the compressor is 2Hz/frequency modulation period, and the frequency reduction of the compressor is performed until Io≤Iol is satisfied. After the electric heating is started, when Ii>Iil , the electric heating is turned off.
一种空调机的电加热控制装置，通过如上述任意一项所述的空调机的电加热控制方法控制电加热启动和关闭的装置，所述控制装置包括：An electric heating control device for an air conditioner, a device for controlling the start-up and shutdown of electric heating through the electric heating control method for an air conditioner according to any one of the above, the control device includes:
处理器；processor;
检测器，包括温度传感器、电流传感器和时钟，所述检测器接收所述温度传感器检测的温度信号、所述电流传感器检测的电流信号和时钟发送的时间信号，并将所述温度信号、所述电流信号和所述时间信号传送到所述处理器；The detector includes a temperature sensor, a current sensor and a clock, the detector receives the temperature signal detected by the temperature sensor, the current signal detected by the current sensor and the time signal sent by the clock, and the temperature signal, the transmitting the current signal and the time signal to the processor;
控制器，所述处理器对接收到所述温度信号、所述电流信号和所述时间信号进行处理，产生控制指令，所述控制器根据所述控制指令控制压缩机和室内风机的运行。A controller, the processor processes the received temperature signal, the current signal and the time signal to generate a control instruction, and the controller controls the operation of the compressor and the indoor fan according to the control instruction.
进一步地，所述温度传感器包括室外温度传感器和室内温度传感器；Further, the temperature sensor includes an outdoor temperature sensor and an indoor temperature sensor;
所述电流传感器包括室外电流传感器和室内电流传感器。The current sensors include outdoor current sensors and indoor current sensors.
相对于现有技术，本发明所述的一种空调机的电加热控制方法，具有以下优势：Compared with the prior art, the electric heating control method of an air conditioner according to the present invention has the following advantages:
本技术方案优点在于通过综合温度、电流等因素的整体考量，实现了电加热的智能控制，保证了空调机的安全性。The technical solution has the advantage of realizing the intelligent control of electric heating and ensuring the safety of the air conditioner through the overall consideration of factors such as temperature and current.
附图说明Description of drawings
构成本发明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：The drawings constituting a part of the present invention are used to provide a further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention, and do not constitute an improper limitation of the present invention. In the attached picture:
图1为本发明实施例所述的空调机的电加热控制方法的流程图；Fig. 1 is a flowchart of an electric heating control method for an air conditioner according to an embodiment of the present invention;
图2为本发明实施例所述的检测控制示意图；Fig. 2 is a schematic diagram of the detection control described in the embodiment of the present invention;
图3为本发明实施例所述的电加热投入保护示意图。Fig. 3 is a schematic diagram of the electric heating input protection described in the embodiment of the present invention.
具体实施方式Detailed ways
需要说明的是，在不冲突的情况下，本发明中的实施例及实施例中的特征可以相互组合。It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.
在本发明中涉及“第一”、“第二”、“上”、“下”等的描述仅用于描述目的，而不能理解为指示或暗示其相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”、“上”、“下”的特征可以明示或者隐含地包括至少一个该特征。另外，各个实施例之间的技术方案可以相互结合，但是必须是以本领域普通技术人员能够实现为基础，当实施例之间的技术方案能够实现结合的，均在本发明要求的保护范围之内。Descriptions referring to "first", "second", "upper", "lower", etc. in the present invention are for descriptive purposes only, and should not be construed as indicating or implying their relative importance or implying the indicated technology number of features. Thus, features defined as "first", "second", "upper" and "lower" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the technical solutions between the embodiments can be combined, they are all within the scope of protection required by the present invention. Inside.
下面将参考附图并结合实施例来详细说明本发明。The present invention will be described in detail below with reference to the accompanying drawings and examples.
如图1至图3所示，一种空调机的电加热控制方法，包括：As shown in Figures 1 to 3, an electric heating control method for an air conditioner includes:
S100、实时检测空调机的运行参数；S100, detecting the operating parameters of the air conditioner in real time;
所述运行参数包括：用户设定温度Ts，室内环境温度Ti、室外环境温度To和室内机风机转速，室内机电流值、室外机电流值和采样周期K ms。The operating parameters include: user-set temperature Ts, indoor ambient temperature Ti, outdoor ambient temperature To, indoor unit fan speed, indoor unit current value, outdoor unit current value and sampling period K ms.
S200、根据所述空调机的运行参数，当同时满足电加热启动的预设启动条件时，所述空调机通过手动操作启动电加热功能；S200. According to the operating parameters of the air conditioner, when the preset starting conditions for starting the electric heating are met at the same time, the air conditioner manually starts the electric heating function;
所述预设启动条件包括：负载条件、时间条件、负荷条件、电流条件和电加热投入保护条件；The preset starting conditions include: load conditions, time conditions, load conditions, current conditions and electric heating input protection conditions;
所述负载条件：室内机风机的风速在预设风速以上，所述预设风速优选为低速挡风速；The load condition: the wind speed of the indoor unit fan is above the preset wind speed, and the preset wind speed is preferably a low-speed wind speed;
化霜运行时，内风机采用微弱风运行，但电加热允许投入使用，便于提供热量，利于室外机化霜。During the defrosting operation, the indoor fan operates with weak wind, but the electric heating is allowed to be used, which is convenient to provide heat and is beneficial to the defrosting of the outdoor unit.
所述时间条件：根据空调机的运行情况和模式，间隔相应的预设启动时间启动电加热功能；The time condition: according to the operating conditions and modes of the air conditioner, start the electric heating function at the corresponding preset start time;
所述时间条件包括：The time conditions include:
1.首次制热开机、除制冷模式/除湿模式之外的模式转到制热模式时，电加热启动；1. When the heating is turned on for the first time, and the mode other than the cooling mode/dehumidification mode is switched to the heating mode, the electric heating starts;
2.空调制冷或除湿模式下，压缩机连续运行时间≥3min后，转入制热模式，当满足室内风机连续运行时间≥10min后，电加热启动；2. In the cooling or dehumidification mode of the air conditioner, after the continuous running time of the compressor is ≥ 3 minutes, it will switch to the heating mode. When the continuous running time of the indoor fan is ≥ 10 minutes, the electric heating will start;
3.制热运行过程中，电加热退出后，间隔时间≥5min电加热再启动；3. During the heating operation, after the electric heating exits, the electric heating restarts at an interval of ≥5 minutes;
所述预设温差阈值为1℃，所述负荷条件为室内环境温度Ti与设定温度Ts的温差≤1℃；The preset temperature difference threshold is 1°C, and the load condition is that the temperature difference between the indoor ambient temperature Ti and the set temperature Ts is ≤1°C;
所述负荷条件：室内环境温度Ti与设定温度Ts的温差处于预设温差阈值范围内。The load condition: the temperature difference between the indoor ambient temperature Ti and the set temperature Ts is within the preset temperature difference threshold range.
所述电流条件：包括室内机电流Ii和室外机电流Io满足预设电流范围；The current conditions: include that the indoor unit current Ii and the outdoor unit current Io meet the preset current range;
所述电流条件包括：The current conditions include:
当Io≤Iol时，电加热投入使用；When Io≤Iol, electric heating is put into use;
当Iol＜Io≤Iol+α，电加热维持前一运行状态；When Iol<Io≤Iol+α, the electric heater maintains the previous operating state;
电加热退出状态下，Io连续维持在Iol＜Io≤Iol+α范围内达5min以上时，进入内机电流限制条件判断：In the state of electric heating exit, when Io is continuously maintained in the range of Iol<Io≤Iol+α for more than 5 minutes, enter the judgment of the current limiting condition of the internal machine:
当Ii＜Iil–β时，电加热启动；When Ii<Iil–β, electric heating starts;
当Iil–β≤Ii＜Iil时，压缩机目标频率按照2Hz/调频周期，执行压缩机降频，直至满足Io≤Iol时，电加热启动；When Iil–β≤Ii<Iil, the target frequency of the compressor is 2Hz/frequency modulation cycle, and the frequency reduction of the compressor is performed until Io≤Iol is satisfied, and the electric heating is started;
其中，Io-室外机电流，Iol-室外机限制电流，α-室外机电流安全系数，在本实施例中优选α＝0.51；Wherein, Io-outdoor unit current, Iol-outdoor unit limited current, α-outdoor unit current safety factor, preferably α=0.51 in this embodiment;
Ii-室内机电流，Iil-室内机限制电流，β-室内机电流安全系数，在本实施例中优选β＝11；Ii-indoor unit current, Iil-indoor unit limited current, β-indoor unit current safety factor, preferably β=11 in this embodiment;
所述电加热投入保护条件：室内机电流Ii和室外机电流Io处于预设电流范围的临界过流界限。The electric heating input protection condition: the current Ii of the indoor unit and the current Io of the outdoor unit are within the critical overcurrent limit of the preset current range.
所述电加热投入保护条件包括：The protection conditions for the electric heating input include:
当Iil–β≤Ii＜Iil，并且Io≤Iol，电加热启动时，执行电流过流保护功能。When Iil–β≤Ii<Iil, and Io≤Iol, when the electric heating is started, the current overcurrent protection function is performed.
进一步地，满足所述电加热投入保护条件，执行电流过流保护功能的方法包括：Further, the method for implementing the current overcurrent protection function if the electric heating input protection condition is met includes:
电加热投入后的前3min内，压缩机目标频率禁止升频(但可按精确控温逻辑执行降频)；Within the first 3 minutes after the electric heating is put into use, the target frequency of the compressor is forbidden to increase (but the frequency can be reduced according to the precise temperature control logic);
电加热投入后的3min后，压缩机目标频率执行常规精确控温逻辑，控制压缩机正常运行。After 3 minutes after the electric heating is turned on, the target frequency of the compressor executes the conventional precise temperature control logic to control the normal operation of the compressor.
S300、当满足所述预设启动条件时，并且，室外环境温度To和室内环境温度Ti超出预设温度范围时，所述空调机自动启动电加热功能；S300. When the preset startup condition is met, and the outdoor ambient temperature To and the indoor ambient temperature Ti exceed the preset temperature range, the air conditioner automatically starts the electric heating function;
所述空调机自动启动电加热功能的方法包括：The method for automatically starting the electric heating function of the air conditioner includes:
当室外环温To＜-3℃且室内环温Ti＜32℃持续预设时间时，电加热功能自动开启。When the outdoor ambient temperature To<-3°C and the indoor ambient temperature Ti<32°C for the preset time, the electric heating function will be automatically turned on.
S400、根据所述空调机的运行参数和接收到的控制信号，当满足电加热的预设关闭条件时，所述电加热功能关闭。所述预设关闭条件包括：负载条件、信号条件、负荷条件、室内热负荷条件、电流条件和运行模式条件中的至少一项；S400. According to the operating parameters of the air conditioner and the received control signal, when the preset shutdown condition of the electric heating is satisfied, the electric heating function is turned off. The preset shutdown conditions include: at least one of load conditions, signal conditions, load conditions, indoor heat load conditions, current conditions and operating mode conditions;
所述负载条件：室内机风速＜低风档或室内风机停机；The load conditions: indoor unit wind speed < low wind speed or indoor fan shutdown;
所述信号条件：用户按键关闭电加热功能；The signal condition: the user presses a button to turn off the electric heating function;
所述负荷条件：当室外环温To＜-3℃且室内环温Ti＜32℃持续预设时间时，电加热功能自动开启后，则The load condition: when the outdoor ambient temperature To < -3°C and the indoor ambient temperature Ti < 32°C for a preset time, after the electric heating function is automatically turned on, then
当室外环境温度To≥-3℃，电加热关闭；When the outdoor ambient temperature To≥-3°C, the electric heating is turned off;
当室内环境温度Ti≥32℃，并且持续预设时间时，电加热关闭；When the indoor ambient temperature Ti≥32°C and lasts for a preset time, the electric heating is turned off;
所述室内热负荷条件：Ti-Ts≥1℃时，电加热关闭；The indoor heat load condition: when Ti-Ts≥1°C, the electric heating is turned off;
所述电流条件包括：室外机电流Io与室外机限制电流Iol的差值或室内机电流Ii与室内机限制电流Iil的差值超出预设范围；The current conditions include: the difference between the outdoor unit current Io and the outdoor unit limited current Iol or the difference between the indoor unit current Ii and the indoor unit limited current Iil exceeds a preset range;
所述电流条件包括：The current conditions include:
Io＞Iol+α时，电加热关闭；When Io>Iol+α, the electric heating is turned off;
在满足所述电流条件中的当Iil–β≤Ii＜Iil时，压缩机目标频率按照2Hz/调频周期，执行压缩机降频，直至满足Io≤Iol时，电加热启动后，当Ii＞Iil时，电加热关闭。When Iil–β≤Ii<Iil in the above current conditions is satisfied, the target frequency of the compressor is 2Hz/frequency modulation period, and the frequency reduction of the compressor is performed until Io≤Iol is satisfied. After the electric heating is started, when Ii>Iil , the electric heating is turned off.
所述运行模式条件：除制热模式和除霜模式之外的运行模式。Said operating mode condition: an operating mode other than heating mode and defrosting mode.
一种空调机的电加热控制装置，通过如上述任意一项所述的空调机的电加热控制方法控制电加热启动和关闭的装置，所述控制装置包括：处理器、检测器和控制器。An electric heating control device for an air conditioner, a device for controlling the startup and shutdown of the electric heating by using the electric heating control method for an air conditioner according to any one of the above, the control device includes: a processor, a detector and a controller.
检测器包括温度传感器、电流传感器和时钟，所述检测器接收所述温度传感器检测的温度信号、所述电流传感器检测的电流信号和时钟发送的时间信号，并将所述温度信号、所述电流信号和所述时间信号传送到所述处理器；所述温度传感器包括室外温度传感器和室内温度传感器。所述电流传感器包括室外电流传感器和室内电流传感器。The detector includes a temperature sensor, a current sensor and a clock, the detector receives the temperature signal detected by the temperature sensor, the current signal detected by the current sensor and the time signal sent by the clock, and the temperature signal, the current The signal and the time signal are transmitted to the processor; the temperature sensor includes an outdoor temperature sensor and an indoor temperature sensor. The current sensors include outdoor current sensors and indoor current sensors.
所述处理器对接收到所述温度信号、所述电流信号和所述时间信号进行处理，产生控制指令，所述控制器根据所述控制指令控制压缩机和室内风机的运行。The processor processes the received temperature signal, the current signal and the time signal to generate a control instruction, and the controller controls the operation of the compressor and the indoor fan according to the control instruction.
本领域技术人员在考虑说明书及实践这里公开的发明后，将容易想到本发明的其它实施方案。本申请旨在涵盖本发明的任何变型、用途或者适应性变化，这些变型、用途或者适应性变化遵循本发明的一般性原理并包括本公开未公开的本技术领域中的公知常识或惯用技术手段。说明书和实施例仅被视为示例性的，本发明的真正范围和精神由下面的权利要求指出。Other embodiments of the invention will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the present invention, these modifications, uses or adaptations follow the general principles of the present invention and include common knowledge or conventional technical means in the technical field not disclosed in this disclosure . The specification and examples are to be considered exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
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精确结构，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 precise constructions which have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210733557.0A CN115076940B (en) | 2022-06-27 | 2022-06-27 | Electric heating control method for air conditioner and electric heating control device for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210733557.0A CN115076940B (en) | 2022-06-27 | 2022-06-27 | Electric heating control method for air conditioner and electric heating control device for air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115076940A CN115076940A (en) | 2022-09-20 |
| CN115076940B true CN115076940B (en) | 2023-08-11 |
Family
ID=83255036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210733557.0A Active CN115076940B (en) | 2022-06-27 | 2022-06-27 | Electric heating control method for air conditioner and electric heating control device for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115076940B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238937A (en) * | 1986-04-09 | 1987-10-19 | Sanyo Electric Co Ltd | Method of controlling air conditioner |
| KR20100008026A (en) * | 2008-07-15 | 2010-01-25 | 삼성전자주식회사 | Method of protecting compressor in air conditioner |
| CN103542495A (en) * | 2013-10-31 | 2014-01-29 | Tcl空调器(中山)有限公司 | Heating protection method and device for air conditioner |
| CN104236010A (en) * | 2013-06-20 | 2014-12-24 | 广东美的集团芜湖制冷设备有限公司 | Control method of air conditioner |
| CN106440278A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioner and electric heating protection method and device for air conditioner |
| CN107514742A (en) * | 2017-07-27 | 2017-12-26 | 青岛海尔空调器有限总公司 | Electric heating control method and air conditioner for zoned air-supply air conditioner |
| CN113007857A (en) * | 2021-04-19 | 2021-06-22 | 宁波奥克斯电气股份有限公司 | Operation control method and device for electric heater of air conditioner, air conditioner and computer readable storage medium |
| CN113465022A (en) * | 2021-07-08 | 2021-10-01 | 宁波奥克斯电气股份有限公司 | Electric auxiliary heat control method and device and multi-split air conditioner |
| CN113483407A (en) * | 2021-05-26 | 2021-10-08 | 海信（山东）空调有限公司 | Control method, device and system of PTC electric heater and air conditioner |
| WO2022013980A1 (en) * | 2020-07-15 | 2022-01-20 | 三菱電機株式会社 | Air conditioning apparatus |
-
2022
- 2022-06-27 CN CN202210733557.0A patent/CN115076940B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62238937A (en) * | 1986-04-09 | 1987-10-19 | Sanyo Electric Co Ltd | Method of controlling air conditioner |
| KR20100008026A (en) * | 2008-07-15 | 2010-01-25 | 삼성전자주식회사 | Method of protecting compressor in air conditioner |
| CN104236010A (en) * | 2013-06-20 | 2014-12-24 | 广东美的集团芜湖制冷设备有限公司 | Control method of air conditioner |
| CN103542495A (en) * | 2013-10-31 | 2014-01-29 | Tcl空调器(中山)有限公司 | Heating protection method and device for air conditioner |
| CN106440278A (en) * | 2016-10-21 | 2017-02-22 | 珠海格力电器股份有限公司 | Air conditioner and electric heating protection method and device for air conditioner |
| CN107514742A (en) * | 2017-07-27 | 2017-12-26 | 青岛海尔空调器有限总公司 | Electric heating control method and air conditioner for zoned air-supply air conditioner |
| WO2022013980A1 (en) * | 2020-07-15 | 2022-01-20 | 三菱電機株式会社 | Air conditioning apparatus |
| CN113007857A (en) * | 2021-04-19 | 2021-06-22 | 宁波奥克斯电气股份有限公司 | Operation control method and device for electric heater of air conditioner, air conditioner and computer readable storage medium |
| CN113483407A (en) * | 2021-05-26 | 2021-10-08 | 海信（山东）空调有限公司 | Control method, device and system of PTC electric heater and air conditioner |
| CN113465022A (en) * | 2021-07-08 | 2021-10-01 | 宁波奥克斯电气股份有限公司 | Electric auxiliary heat control method and device and multi-split air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115076940A (en) | 2022-09-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106679111B (en) | Automatic cleaning treatment method and system for heat exchanger of air conditioner | |
| US6769482B2 (en) | System and method for switching-over between heating and cooling modes | |
| CN105042798B (en) | A kind of method for controlling air conditioner | |
| JPH07332740A (en) | Air conditioner operation control method | |
| CN108644979A (en) | Control method, control system and the air conditioner of air conditioner | |
| EP3561406B1 (en) | Heating control method and device for air conditioner | |
| CN112880148B (en) | Control method, device, electronic device and storage medium for air conditioner | |
| CN110986304A (en) | A kind of air conditioner startup control method, control device and air conditioner system | |
| CN112856710A (en) | Air conditioner control method and air conditioner | |
| JP3080187B2 (en) | Control device for air conditioner | |
| CN112050440A (en) | Control method of fresh air conditioner | |
| JPS629137A (en) | air conditioner | |
| CN115076940B (en) | Electric heating control method for air conditioner and electric heating control device for air conditioner | |
| CN109210692A (en) | Automatic air conditioner control method and air conditioner | |
| CN105066365A (en) | Air conditioner radio-frequency remote control method | |
| CN114543316A (en) | Control method and control system of air conditioner, electronic equipment and storage medium | |
| CN114264049A (en) | One-key intelligent control method and air conditioning system provided with same | |
| CN114413407B (en) | Air conditioner control method, control device, air conditioner and storage medium | |
| CN106765900A (en) | The control method of wall-hanging air conditioner | |
| CN110397985A (en) | An air conditioner and its control method | |
| CN112050443A (en) | Purification control method of fresh air conditioner | |
| JPH09243210A (en) | Air conditioner control method and device | |
| WO2024045900A1 (en) | Air conditioner and cooling control method therefor | |
| JPH03129238A (en) | Air conditioner air volume control method | |
| JPH11173632A (en) | Control method of air conditioner |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 315191 No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee after: NINGBO AUX ELECTRIC Co.,Ltd. Country or region after: China Patentee after: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. Address before: No. 1166 Mingguang North Road, Jiangshan Town, Ningbo, Zhejiang, Yinzhou District Patentee before: NINGBO AUX ELECTRIC Co.,Ltd. Country or region before: China Patentee before: AUX AIR CONDITIONING LIMITED BY SHARE Ltd. |
|
| CP03 | Change of name, title or address |