32results about How to "Achieve comfortable cooling effect" patented technology

The invention discloses a control method for a wall-mounted inverter air-conditioner. The control method comprises the steps: when a received air-conditioner control instruction is a refrigeration energy conservation and comfort instruction, and when the current room temperature is not lower than a preset room environment temperature threshold, the inverter air-conditioner is controlled to operate according to an original inverter control mode of the inverter air-conditioner; or else, a compressor target frequency calculated according to the original inverter control mode is obtained, and the compressor target frequency is judged to be smaller than a first preset compressor frequency or not; if yes, a compressor is controlled to operate with the first preset compressor frequency, and an outdoor fan is controlled to operate with a preset rotation speed; and if not, the compressor and the outdoor fan are controlled to operate according to the original inverter control mode. In the original inverter control mode, room temperature PID (Proportion Integration Differentiation) control or fuzzy control is performed on the compressor, and room temperature is compensated during room temperature PID control. By adopting the control method, the energy-saving performance and refrigeration comfort of the air-conditioner are improved.

The invention discloses a variable frequency air conditioner refrigeration control method and device based on distance. The variable frequency air conditioner refrigeration control method comprises the steps that air conditioner refrigeration operation is conducted, specifically, room temperature PID operation is conducted according to the temperature difference between the real-time indoor environment temperature and the set target temperature, and a first frequency is obtained; a heat source of a room where an air conditioner is located is detected, the real-time distance between the heat source and the air conditioner is determined, the real-time air speed corresponding to the real-time distance is determined, and a frequency corresponding to the real-time air speed is determined to serve as a second frequency; if the real-time indoor environment temperature is not lower than the set comfortable temperature, the smaller one of the first frequency and the second frequency is selected as a target frequency; if the real-time indoor environment temperature is lower than the set comfortable temperature, a target frequency is selected according to fuzzy control based on the real-time coil temperature; and a compressor of the air conditioner is controlled to operate according to the target frequency. By means of the variable frequency air conditioner refrigeration control method and device based on the distance, energy saving and comfortable control over the air conditioner can be achieved.

The invention discloses an air conditioner control method. The air conditioner control method includes that enabling an air conditioner to enter a refrigerating mode, detecting the indoor temperature, and comparing with a set comfortable temperature; if the indoor temperature is higher than or equal to the comfortable temperature, calculating the indoor temperature difference, carrying out room temperature PID operation according to the indoor temperature difference to obtain a first target frequency, and controlling a compressor according to the first target frequency; if the indoor temperature is smaller than the comfortable temperature, detecting the temperature of an air conditioner evaporator coil, if the coil temperature is larger than a target coil temperature, controlling the compressor according to the first target frequency; if the coil temperature is less than or equal to the target coil temperature, lowering the current running frequency of the compressor to obtain a second target frequency, and controlling the compressor according to the smaller value of the second target frequency and first target frequency; detecting the human body temperature in the refrigerating process, and increasing the indoor target temperature when the human body temperature is abnormal. The air conditioner control method is capable of solving the problem of uncomfortable refrigeration of an existing air conditioner due to blowing cold air and capable of controlling flexibly according to the human body temperature.

The invention discloses a variable frequency air conditioner frequency control method and device. The variable frequency air conditioner frequency control method comprises the steps that air conditioner refrigeration operation is conducted, specifically, room temperature PID operation is conducted according to the temperature difference between the real-time indoor environment temperature and the set target temperature, and a first frequency is obtained; a heat source of a room where an air conditioner is located is detected, the real-time distance between the heat source and the air conditioner is determined, and a frequency corresponding to the real-time distance is determined to serve as a second frequency; if the real-time indoor environment temperature is not lower than the set comfortable temperature, the smaller one of the first frequency and the second frequency is selected as a target frequency; if the real-time indoor environment temperature is lower than the set comfortable temperature, a target frequency is selected according to fuzzy control based on the real-time coil temperature; and a compressor of the air conditioner is controlled to operate according to the target frequency. By means of the variable frequency air conditioner frequency control method and device, energy saving and comfortable control over the air conditioner can be achieved.

The invention discloses a method and device for achieving refrigeration control of an air conditioner. The method comprises the steps that the air conditioner operates in a refrigeration manner, room temperature PID operation is carried out according to the temperature difference of the real-time indoor environment temperature and the set indoor target temperature, and the first frequency is obtained; the real-time distance between a target in a room where in the air conditioner is located and the air conditioner is acquired, the real-time air speed corresponding to the real-time distance and the frequency corresponding to the real-time air speed are determined, and the frequency serves as the second frequency; coil temperature PID operation is carried out according to the temperature difference of the real-time coil temperature and the set coil target temperature, and the third frequency is obtained; if the real-time indoor environment temperature is not smaller than the set comfortable temperature, the smaller value in the first frequency and the second frequency is selected as the target frequency; if the real-time indoor environment temperature is smaller than the set comfortable temperature, the smaller value in the first frequency, the second frequency and the third frequency is selected as the target frequency; and operation of a compressor of the air conditioner is controlled according to the target frequency. By means of the method and device, energy-saving and comfortable control of the air conditioner can be achieved.

The invention discloses a method for controlling an air conditioner. The method comprises the steps that when a received air-conditioner control instruction is a refrigeration energy-saving comfortable instruction and the current indoor temperature is not lower than an indoor environment temperature threshold value, the variable frequency air conditioner is controlled to run according to the original variable frequency control manner of the variable frequency air conditioner; or else, the target frequency of a compressor worked out according to the original variable frequency control manner is obtained, and whether the target frequency of the compressor is smaller than the first set frequency of the compressor or not is judged; if yes, the compressor is controlled to run at the first set frequency of the compressor, and an outdoor fan is controlled to run at the set rotating speed; and if not, the compressor and the outdoor fan are controlled to run according to the original variable frequency control manner. In the original variable frequency control manner, room temperature PID control or fuzzy control is performed on the compressor. By the application of the method for controlling the air conditioner, the energy-saving performance and refrigeration comfort of the air conditioner are improved.

The invention discloses a control method and device for variable frequency air conditioner refrigeration and a variable frequency air conditioner. The control method comprises the steps that in the refrigeration operation process, indoor temperature is detected, an indoor temperature difference is calculated, and room temperature PID operation is performed according to the indoor temperature difference, so that first target frequency is obtained; the indoor temperature and set comfortable temperature are compared; if the indoor temperature is not smaller than the comfortable temperature, a compressor is controlled according to the first target frequency; if the indoor temperature is smaller than the comfortable temperature, the coil temperature of a variable frequency air conditioner evaporator is detected and compared with set coil target temperature; if the coil temperature is larger than the coil target temperature, the compressor is controlled according to the first target frequency; if the coil temperature is not larger than the coil target temperature, the current operation frequency of the compressor is lowered, so that second target frequency is obtained, and the compressor is controlled according to the smaller value of the second target frequency and the first target frequency. By applying the control method and device for variable frequency air conditioner refrigeration and the variable frequency air conditioner, the problem that an existing variable frequency air conditioner blows cold air, so refrigeration is uncomfortable can be solved.