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

The invention discloses a method for controlling a variable frequency air conditioner . The method comprises the following steps: an air conditioner is turned on to operate under a refrigeration mode; after the operation time of a compressor of the air conditioner reaches set operation time, the present indoor temperature detected by an indoor temperature sensor is obtained as the first indoor temperature; the difference value between the first indoor temperature and set compensation temperature serves as the second indoor temperature; the temperature difference between the second indoor temperature and the present indoor target temperature is calculated to obtain the indoor temperature difference; the room temperature PID operation is performed according to the indoor temperature difference to obtain the first target frequency; the second indoor temperature is compared with set comfortable temperature; and the room temperature PID control or the dual PID control is performed according to the comparison result. The indoor temperature adjusting comfort of the air conditioner and the low-power-consumption energy conservation of the air conditioner are taken into consideration, and the problem of uncomfortable refrigeration due to blowing out of cold wind by a traditional variable frequency air conditioner is solved.

The invention discloses an air conditioner control method. The method includes: when a received air conditioner control instruction is an energy-saving comfortable refrigeration instruction and a current indoor temperature is not lower than a set indoor environment temperature threshold, controlling a variable-frequency air conditioner to operate according to an original variable-frequency control mode of the variable-frequency air conditioner; otherwise, acquiring a compressor target frequency calculated according to an original variable-frequency control mode, and judging whether the compressor target frequency is smaller than a first set compressor frequency or not; if yes, controlling the compressor to operate by the first set compressor frequency, and controlling an outdoor fan to operate by a set rotating speed; if not, controlling the compressor and the outdoor fan to operate according to the original variable-frequency control mode; in the original variable-frequency control mode, executing room temperature PID control or dual PID control including coil temperature PID control on the compressor, wherein a coil target temperature adopted in coil temperature PID control is determined according to real-time indoor humidity. By application of the air conditioner control method, energy saving and refrigeration comfort of the air conditioner are improved.

The invention discloses a method and a device for realizing air conditioner refrigerating control based on a distance. The method comprises the following steps: in the refrigerating operation of an air conditioner, the room-temperature PID operation is performed to obtain a first frequency; a real-time distance from an indoor heat source to the air conditioner is determined, a real-time wind speed corresponding to the real-time distance is determined, and a frequency corresponding to the real-time wind speed is obtained as a second frequency; the coil temperature PID operation is performed according to a temperature difference between a real-time coil temperature and a coil target temperature to obtain a third frequency, the coil target temperature is determined according to an indoor real-time humidity, and when the real-time humidity is high, the coil target temperature is low; if a real-time indoor environment temperature is not lower than a set comfortable temperature, a smaller value in the first frequency and the second frequency is selected as a target frequency; and if the real-time indoor environment temperature is lower than the set comfortable temperature, a smaller value in the first frequency, the second frequency and the third frequency is selected as the target frequency. The method can realize the energy conservation and the comfortable control of the air conditioner.

The invention discloses a control method of a wall-mounted type air conditioner. The control method comprises the steps that when a refrigeration energy-saving comfort instruction is received and the current indoor temperature is not smaller than an indoor environment temperature threshold value, the air conditioner runs according to an original frequency converting control mode; if not, the compressor target frequency calculated out according to the original frequency converting control mode is obtained, and whether the compressor target frequency is smaller than the first set compressor frequency or not is judged; if yes, a compressor is controlled to run according to the first set compressor frequency, 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 frequency converting mode. In the original frequency converting control mode, indoor temperature PID control or dual PID control comprising coil pipe temperature PID control is executed on the compressor, the coil pipe target temperature adopted in coil pipe PID control is determined according to the indoor real-time humidity, and compensation is carried out on the indoor temperature in indoor temperature PID control. By applying the control method, the energy saving and refrigeration comfort of the air conditioner are improved.

The invention discloses a method and device of refrigeration control and a variable-frequency air conditioner. The method comprises the following steps that in the refrigeration operating process, the indoor temperature is detected, the indoor temperature difference is calculated, and indoor temperature PID operation is conducted according to the indoor temperature difference, so that a first target frequency is obtained; the indoor temperature is compared with a set comfortable temperature; if the indoor temperature is not lower than the comfortable temperature, a compressor is controlled according to the first target frequency; if the indoor temperature is lower than the comfortable temperature, the coil pipe temperature of an evaporator of the variable-frequency air conditioner is detected, the temperature difference between the coil pipe temperature and a coil pipe target temperature is calculated, the coil pipe temperature difference is obtained, and coil pipe temperature PID operation is conducted according to the coil pipe temperature difference, so that a second target frequency is obtained; the compressor is controlled according the smaller one of the first target frequency and the second target frequency; and the coil pipe target temperature is determined according to the indoor target temperature, and when the indoor target temperature is low, the target coil pipe temperature is low. By adoption of the method and device of refrigeration control and the variable-frequency air conditioner, more reasonable and comfortable control can be achieved.

The invention discloses a variable-frequency air conditioner frequency control method and control device and a variable-frequency air conditioner. The method comprises the following steps: with the air conditioner being in refrigeration operation, performing an indoor temperature PID calculation to obtain a first frequency; detecting a heat source in a room where the air conditioner is located, determining the real-time distance between the heat source and the air conditioner, and determining a frequency corresponding to the real-time distance as a second frequency; performing a coil temperature PID calculation according to the temperature difference between a real-time coil temperature and a target coil temperature to obtain a third frequency, wherein the target coil temperature is determined according to a target indoor temperature and meets the condition that the target coil temperature is low when the target indoor temperature is low; if a real-time indoor environment temperature is not lower than a set comfortable temperature, selecting the lower frequency of the first frequency and the second frequency as a target frequency; and if the real-time indoor environment temperature is lower than a set comfortable temperature, selecting the lowest frequency of the first frequency, the second frequency and the third frequency as the target frequency. Through application of the method and the device, energy conservation and conform control of the air conditioner can be realized.

The invention discloses a frequency control method and device for a variable-frequency air conditioner. The frequency control method for the variable-frequency air conditioner comprises the steps that the air conditioner operates in a refrigerating mode, and indoor temperature PID operation is conducted, so that a first frequency is obtained; the real-time distance between a target in the room where the air conditioner is located and the air conditioner is obtained, and the frequency corresponding to the real-time distance is determined and used as a second frequency; coil pipe temperature PID operation is conducted according to the difference between the real-time coil pipe temperature and a coil pipe target temperature, so that a third frequency is obtained, the coil pipe target temperature is determined according to the indoor target temperature, and when the indoor target temperature is low, the coil pipe target temperature is also low; if the real-time indoor environment temperature is not lower than a set comfortable temperature, the smaller one of the first frequency and the second frequency is used as the target frequency; and if the real-time indoor environment temperature is lower than the set comfortable temperature, the smaller one of the first frequency, the second frequency and the third frequency is used as the target frequency. By applying the frequency control method and device for the variable-frequency air conditioner, control over energy saving and comfort of the air conditioner can be achieved.

The invention discloses a frequency control method and device for a variable-frequency air conditioner. The frequency control method for the variable-frequency air conditioner comprises the steps that the air conditioner operates in a refrigerating mode, and indoor temperature PID operation is conducted, so that a first frequency is obtained; the real-time distance between a target in the room where the air conditioner is located and the air conditioner is obtained, and the frequency corresponding to the real-time distance is determined and used as a second frequency; coil pipe temperature PID operation is conducted according to the difference between the real-time coil pipe temperature and a coil pipe target temperature, so that a third frequency is obtained, the coil pipe target temperature is determined according to the real-time humidity in the room, and when the real-time humidity is high, the coil pipe target temperature is low; if the real-time indoor environment temperature is not lower than a set comfortable temperature, the smaller one of the first frequency and the second frequency is used as the target frequency; and if the real-time indoor environment temperature is lower than the set comfortable temperature, the smaller one of the first frequency, the second frequency and the third frequency is used as the target frequency. By applying the frequency control method and device for the variable-frequency air conditioner, control over energy saving and comfort of the air conditioner can be achieved.

The invention discloses an air conditioner refrigeration control method and device based on distance. The 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 indoor 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; coil temperature PID operation is conducted according to the temperature difference between the real-time coil temperature and the set coil target temperature, and a third frequency is obtained; 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, the smallest of the first frequency, the second frequency and the third frequency is selected as a target frequency; and a compressor of the air conditioner is controlled to operate according to the target frequency. By means of the 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 a variable-frequency air conditioner control method which comprises the following steps: powering on an air conditioner and enabling the air conditioner to run in the refrigeration mode; when the air conditioner is under the room temperature PID control, acquiring the current indoor temperature detected by an indoor temperature sensor and taking the acquired current indoor temperature as first room temperature; taking the difference between the first indoor temperature and the set compensation temperature as second indoor temperature; calculating the temperature difference between the second indoor temperature and the current indoor target temperature to acquire indoor temperature; carrying out indoor temperature PID calculation according to the indoor temperature, so as to acquire first target frequency; comparing the second indoor temperature with the set comfortable temperature; according to the comparison result, determining whether the room temperature PID control or the dual PID control is executed, wherein the dual PID control comprises the coil temperature PID control; and determining the coil pipe target temperature adopted in the coil temperature PID control according to the real-time indoor humidity. Through application of the variable-frequency air conditioner control method disclosed by the invention, both the indoor temperature regulation comfort and the low-power-consumption energy saving property of the air conditioner can be taken into account, thereby achieving the more reasonable control.