JP2014181857A5 - - Google Patents

Claims (11)

A smoothing circuit for smoothing a DC voltage converted from an AC voltage by a rectifier circuit;
A power supply circuit that converts the DC voltage smoothed by the smoothing circuit into a plurality of desired DC voltages;
An inverter drive module that drives an internal drive circuit using a DC voltage generated by the power supply circuit, converts the DC voltage smoothed by the smoothing circuit into a desired voltage and frequency, and applies the same to a compressor;
An inverter circuit drive controller that operates on the DC voltage generated by the power supply circuit and controls the inverter drive module;
A control main controller that operates with a DC voltage generated by the power supply circuit and performs air conditioning control of the air conditioner;
With
The control main controller is communicating the same data with the inverter circuit drive controller, wherein when communication with the inverter circuit drive controller is not established, the supply to the front Symbol inverter circuit drive controller Control the DC voltage to be reset,
An air conditioner control device. The control main Control If malfunction La has occurred, the supply of the DC voltage to the inverter circuit drive controller and the inverter driver module is stopped to stop the operation of the compressor,
The air conditioner control device according to claim 1. The power supply circuit includes an on / off relay capable of turning on / off the supply of a DC voltage in a voltage output unit to the inverter circuit drive controller,
The air conditioner control device according to claim 1 or 2, wherein The control main controller operates the on / off relay to perform the reset operation.
The air conditioner control device according to claim 3. The ON / OFF relay is ON / OFF driven by a transistor having a base current limiting resistor and an emitter bias resistor.
The air conditioner control device according to claim 3 or 4, wherein the control device is an air conditioner control device. The power supply circuit includes a voltage converter capable of turning on and off a DC voltage output by operating the control main controller in a voltage output unit to the inverter circuit drive controller.
The air conditioner control device according to claim 1 or 2, wherein The control main controller performs the reset operation by operating the voltage converter,
The air conditioner control device according to claim 6. The voltage converter is driven on and off by a transistor having a base current limiting resistor and an emitter bias resistor.
The air conditioner control device according to claim 6 or 7, wherein Display means for displaying an operating state of the inverter circuit drive controller;
With
The control main controller, when the reset operation to the inverter circuit drive controller has reached a predetermined number of times or more, displays on the display means that the inverter circuit drive controller is in a malfunctioning state,
The air conditioner control device according to any one of claims 1 to 8, wherein In the air conditioner having an indoor unit and an outdoor unit that are connected by a refrigerant pipe and communicate information with each other, the display means disposed in a remote controller that gives an operation command to the indoor unit includes the inverter circuit Display that the drive controller is in a malfunctioning state,
The air conditioner control device according to claim 9. In the air conditioner having an indoor unit and an outdoor unit that are connected by a refrigerant pipe and communicate information with each other, the display means arranged in the outdoor unit has a malfunction of the controller for driving the inverter circuit. To show that it is in a state,
The air conditioner control device according to claim 9 or 10, characterized in that