Compressor heat exchanger characteristics
The compact structure, important lightness, small size, and high efficiency are characteristics that the heat exchangers for tandem compressors should possess. This is also the main basis for choosing the heat exchangers in the cooling system design.
The automatic control and protection system unit adopts a PLC programmable controller as the central control processor, and carries out scan monitoring and protection control for all the operating parameters of the unit according to the procedures. The input signals such as pressure, temperature, pressure difference, flow rate, etc. are automatically collected at regular intervals. Once the operating parameter value exceeds the specified value, the controller will follow the stipulations of the program and output corresponding alarm signals and perform protection actions to ensure the unit is always safe. Work under normal conditions.
The current domestic production of piston-type air source car has the following advantages compared to: (1) choose the same load quality models, when the exhaust pressure is the same, the new model's displacement can be increased at least 2 times. For example, with the same selection of 15t heavy-duty trucks, the displacement of the new model exhaust pressure at 15MPa can reach 20m/min or more, while the exhaust volume of the existing vehicle exhaust pressure is only 10m when the exhaust pressure is 15MPa.
(2) The number of components of the tandem compressor set assembled on the new model is small, the total number of consumable parts such as the valve is also greatly reduced, the operation reliability is high, and the maintenance cost is reduced.
(3) When the tandem compressor set assembled on the new model works, vibration and amplitude are greatly reduced, which reduces the loss to the vehicle.
(4) The new model is equipped with a complete PLC automatic control system and cooling system, which greatly improves the self-control capability.
(5) The special function parameters of new models can be changed according to different application requirements, and it is easy to achieve serialization.
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