How does the inverter compressor controller protect the compressor operation?

Release Time:

2022-03-14 10:40

How does the inverter compressor controller protect the compressor operation?

The compressor is equipped with sensors. If the measured value of one of the sensors exceeds the set shutdown standard, the compressor will stop working and display a shutdown alarm signal on the compressor controller.

Motion controller is the key component of motion control system. Domestic inverter compressor controller can be roughly divided into 3 kinds:

1 is a motion controller that uses microprocessors such as microcontrollers as the control core. These motion controllers are slow, low-precision, and relatively low-cost, and can only be applied to contour motion control that does not require high-speed operations and trajectories.

2 is a motion controller with a dedicated chip (ASIC) as the core processor. This motion controller has a relatively simple structure. In most cases, it only outputs pulse signals and works in an open-loop control manner. These controllers do not provide a continuous interpolation function or a feed forward function, and therefore cannot be used, especially in the case of large continuous motion of small segments.

3 is an open motion controller based on the PC bus using DSP or FPGA as the core processor. These open motion controllers use DSP chip as the core processor of the motion controller, PC as the information processing platform, and the motion controller is embedded in the PC in the form of plug-in, that is, the mode of "PC motion controller. This motion controller has the characteristics of information processing ability, openness, accurate trajectory control and good versatility. However, this method has the following disadvantages: the motion control card is inserted into a PCI or ISA slot on the computer's motherboard, so the PC is configured as a host computer for each specific application. This undoubtedly limits the volume, cost and operating environment of the device, so it is difficult to operate independently and miniaturize.

The inverter compressor controller is an intelligent dual power switching system with functions such as programmable, automatic measurement, LCD screen, and digital communication. When used in conjunction with low-voltage air circuit breakers, it is especially suitable for automatic conversion and protection on the side of two-way low-voltage input lines.

The executive component of the inverter compressor controller is the frame air circuit breaker. The two circuit breakers do not need an adapter. The controller directly monitors the power status and automatically controls the switching between the public power supply and the standby power supply.

1. The controller provides automatic switching control and protection for the two-way low-voltage entry line.

2. Suitable for multi-type frame circuit breaker;

3. The electrical interlock of the controller, the mechanical interlock of the circuit breaker, and the two circuit breakers cannot be closed at the same time.

4. Manual and automatic conversion function;

5. The controller directly connects the two wires to the circuit breaker without an adapter in the middle;

6. The controller or monitoring center displays the power parameters of the two-way power supply, and allows setting and changing all parameters of the controller.

7. The power supply mode can be set to priority, two-way priority or no priority.

8. Self-starting oil machine function;

9. RS-232C and RS-485 communication interface.