The inverter refrigerator is under the control of the #inverter, the compressor speed can be fast or slow, so the cooling capacity of the refrigerator can be large or small, fast or slow, when the refrigerator is just turned on or the temperature in the refrigerator is higher than the set When the temperature in the inverter refrigerator reaches the set temperature, the compressor of the #inverter refrigerator will be in a high-speed operation state, so the cooling capacity is large, so that the temperature in the refrigerator quickly reaches the set temperature; when the temperature in the refrigerator reaches the set temperature, the compressor will In a low-speed operation state, the cooling capacity at this time is very small, and the power consumption is also very small, so as to maintain the temperature in the refrigerator unchanged.
Therefore, the frequency conversion refrigerator has a fast cooling speed and a small temperature difference, which is particularly beneficial to the freezing and preservation of food, especially the quick-freezing effect of some meat products. The speed of the compressor of the ordinary fixed-frequency refrigerator is always the same, so the cooling capacity is also the same. It maintains the temperature in the refrigerator within a certain range by controlling the on and off of the compressor, so the temperature difference in the refrigerator is large. It is not good for the freezing and preservation of food, and the effect is not as good as that of the inverter refrigerator.
Compared with the conventional computer refrigerator, the #inverter refrigerator increases the monitoring of the press, which consists of the main power circuit, auxiliary power circuit, main control chip (CPU) circuit, crystal oscillator circuit, reset circuit, operation display circuit, interface circuit, and fan circuit. , Temperature sensor circuit, switch circuit, heater circuit, lighting circuit, valve circuit, buzzer circuit, frequency conversion control circuit and frequency conversion compressor. Under the control of the microprocessor, the frequency of the output drive signal adjusts the speed of the inverter compressor through the inverter control circuit board, thereby realizing the precise control of the temperature of the refrigerator compartment, freezer compartment, variable temperature room and ice maker. Circuit design is generally subdivided by function for fault analysis and maintenance. Conventionally divided into 4 circuit boards: display board (man-machine interface), main control board, power board, frequency conversion board.
Advantages of inverter refrigerators
1. Good cooling effect
Compared with ordinary refrigerators,#inverter refrigerators have the most significant advantages of improving refrigeration efficiency and saving electricity and energy. In addition, the temperature fluctuation range can be controlled to a smaller range while cooling quickly, so as to achieve better fresh-keeping and moisturizing effects.
2. Low power consumption
The quick-freezing capacity of #inverter refrigerators is 20% higher than that of ordinary refrigerators, and the power consumption is also lower than that of ordinary refrigerators. The average power consumption per day is only 0.4 to 0.5 degrees. In addition, because of the use of frequency conversion technology, the refrigerator does not realize instantaneously when the refrigerator is turned on or off, but realizes a smooth transition of rotation speed, thereby effectively reducing the noise of startup and shutdown.
3. Frequency conversion control
The super fresh-keeping, mute, energy-saving and power-saving inverter refrigerator is based on the original ordinary refrigerator, using a special inverter compressor and driver, and adding a inverter control system. Because the inverter compressor can realize stepless speed change, it can automatically adjust the speed according to the actual needs of the refrigerator.
Disadvantages of inverter refrigerators
1. The price is slightly expensive
Because the inverter refrigerator adopts the high technology of #inverter compressor, the price is relatively expensive, especially the inverter refrigerator. Therefore, everyone must choose whether to buy an #inverter refrigerator according to their own needs.
2. Increased maintenance difficulty
First of all, the complex design of the circuit control board leads to frequent failures of the control circuit, and the probability of the circuit board failure is greater than that of the simple one without frequency conversion compression. Secondly, the complicated piping design leads to frequent failures of the piping circuit, which increases the failure of the system piping. , The shortcomings of the variable frequency compressor oil return lead to its multiple faults running at part load, and the low speed of the variable frequency compressor makes the return air speed slow down, resulting in the problem of poor oil return.
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