The invention discloses a PTC heating type air conditioner heating control method and device. The PTC heating type air conditioner heating control method comprises the steps that the temperature set by a user is obtained, and the current environment temperature is obtained; the required power of the current PI according to the current environment temperature and the user set temperature are calculated, and the reference duty ratio of the required power is calculated through a constant power algorithm; the current PI controls the PWN to output a reference duty ratio so as to control the current heating power of a PTC heater; and after the PTC heater operates for one unit of heating time at the current heating power, the current environment temperature is obtained again, and the heating power of the PTC heater is adjusted. According to the PTC heating type air conditioner heating control method, the influence of curve change of the resistance caused by the change of the PTC along with the temperature can be avoided, so that the advantages of fast heating response, stable system control and good heating effect are realized.

    本发明公开了一种PTC加热型空调制热控制方法及装置,包括:获取用户设定温度,获取当前环境温度;根据当前环境温度、用户设定温度计算出当前PI的需求功率,通过恒功率算法计算出需求功率的参考占空比;当前PI控制PWN输出参考占空比,从而控制PTC加热器的当前发热功率;PTC加热器以当前发热功率运行一个单位的加热时间之后,重新获取当前环境温度,调整PTC加热器的发热功率。本发明能够不再受PTC随温度变化而使电阻作曲线变化的影响,从而实现制热响应快,系统控制稳定,制热效果好的优点。


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    Title :

    PTC heating type air conditioner heating control method and device


    Additional title:

    一种PTC加热型空调制热控制方法及装置


    Contributors:
    ZHU CHENQING (author) / FANG YUNZHOU (author) / SHEN SHUIWEN (author)

    Publication date :

    2021-05-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F24F Klimatisierung , AIR-CONDITIONING / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / F24H FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, IN GENERAL , Erhitzer für flüssige oder gasförmige Stoffe, z.B. Wasser- oder Lufterhitzer mit Vorrichtungen zur Wärmeerzeugung, allgemein



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