Cooling machine device for constant temperature thermoelectric frequency conversion industry
A cooling machine, industrial technology, applied in the direction of refrigerators, compressors, refrigeration components, etc., can solve the problems of inapplicability, increase the cooling rate of refrigerant volume, power consumption compressors, etc., to achieve a wide range of applications, improve accuracy, The effect of low power consumption
Active Publication Date: 2010-04-28
威士顿精密工业股份有限公司
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Problems solved by technology
[0003] However, the frequency of the fixed-frequency compressor is fixed (60Hz), that is, the rate of the circulating refrigerant is fixed. When the temperature of the cooling liquid rises rapidly, it is impossible to increase the cooling rate of the refrigerant to achieve a rapid decrease. The purpose of temperature, and when the temperature of the coolant is lowered, the purpose of increasing the temperature of the coolant can only be achieved by stopping the operation of the fixed-frequency compressor, which makes the temperature difference of the coolant larger, so it is not suitable for precision High industrial equipment, and the fixed-frequency compressor must be started and stopped frequently, which consumes power and easily causes loss of the compressor, and there are problems and deficiencies that need to be solved
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[0020] In order to make it easier for those of ordinary skill in the art to deeply understand the device content of the present invention and the functional effects that can be achieved, a specific embodiment is now listed, and the detailed description is as follows in conjunction with the accompanying drawings:
[0021] A constant temperature, differential temperature type frequency conversion industrial cooler device, please refer to figure 1 Shown: is block configuration figure of the present invention, and figure 2 Shown: is the control circuit schematic diagram of the present invention. The refrigerant circulation circuit 10 of the cooler includes a condenser 11 (including a cooling fan), an inverter compressor 12, a liquid receiver 13, a refrigerant window 14, a plate evaporator 15, an electronic expansion valve 16, a dryer 17, and a high and low pressure protector 18. The coolant circulation circuit 20 of the cooler includes a coolant tank 21, a pump 22, a pressure ga...
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The invention relates to a constant-temperature and differential- temperature variable-frequency industrial cooler device, especially replacing the traditional constant-frequency compressor with a variable-frequency compressor and simultaneously cooperating with the output of a microcomputer to control voltage to make the variable- frequency compressor able to regulate the frequency (30Hz-120Hz) with the temperature difference, able to control the temperature of cooling fluid (in constant temperature mode) according to the user-set temperature value, or according to the room temperature plus the user- set temperature difference, thus achieving the purposes of improving accuracy, low noises, low electricity consumption and wide application range, and additionally, able to arrange a heater in a cooling fluid tank to make temperature compensation and avoid supercooling of the cooling fluid.
Description
technical field [0001] The invention relates to a fixed temperature, differential temperature type frequency conversion industrial cooler device, mainly related to an industrial cooler device with high requirements on the temperature difference accuracy of the cooling liquid, utilizing the adjustable frequency characteristics of the frequency conversion compressor, when the temperature of the cooling liquid When it is high, the voltage is controlled by the microcomputer, the frequency of the inverter compressor is increased, and the cooling rate of the refrigerant is increased; otherwise, the frequency of the inverter compressor is reduced, and the cooling rate of the refrigerant is reduced, so as to achieve the function of small temperature difference. Background technique [0002] Traditional industrial chiller devices generally use fixed-frequency compressors to circulate refrigerant. [0003] However, the frequency of the fixed-frequency compressor is fixed (60Hz), that ...
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IPC IPC(8): F25B1/00F25B49/02
Inventor 周庆龙
Owner 威士顿精密工业股份有限公司