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air conditioner

A technology of air conditioners and motors, used in refrigerators, mechanical equipment, computer control, etc.

Active Publication Date: 2021-03-12
MITSUBISHI ELECTRIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the above-mentioned conventional technology, when the microcomputer malfunctions, the operation of the controlled equipment is immediately stopped.

Method used

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Embodiment approach

[0017] First, the configuration of the air conditioner 1 according to the embodiment will be described. figure 1 It is a figure which shows the structure of the air conditioner 1 which concerns on embodiment. exist figure 1 In order to explain the air conditioner 1, the commercial power supply 2 and the display part 3 which displays information are shown together with the air conditioner 1. The air conditioner 1 has a power generation unit 4 connected to the commercial power supply 2 to generate a DC voltage based on the AC voltage supplied from the commercial power supply 2 . The power generation unit 4 has a plurality of diodes and capacitors.

[0018] The air conditioner 1 further includes: a power supply circuit unit 5 connected to the power generation unit 4, a fan 6 used for supplying air to the outside of the air conditioner 1, a motor 7 for driving the fan 6, and a control for rotating the motor 7. The main control unit 8. In the embodiment, the motor 7 drives the ...

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Abstract

The air conditioner (1) has: a main control unit (8); a motor drive control unit (9); an inverter output unit (12), which outputs to the motor (7) a Signal to make the motor (7) rotate. The main control unit (8) sends an instruction to rotate the motor (7) to the motor drive control unit (9) every first time. The motor drive control unit (9) outputs an instruction to rotate the motor (7) to the inverter output unit (12) based on the instruction from the main control unit (8), and receives the instruction from the main control unit (8) from the end. When the first time elapses from the instruction to rotate the motor (7), if no new instruction to rotate the motor (7) is received from the main control unit (8), the inverter output unit ( 12) Outputting an instruction to continue the operation based on the instruction to rotate the motor (7) received last from the main control unit (8).

Description

technical field [0001] The present invention relates to air conditioners. Background technique [0002] The conventional air conditioner has a 1st controller and a 2nd controller which control, and a 1st controller and a 2nd controller each have a microcomputer (for example, refer patent document 1). [0003] Patent Document 1: Japanese Patent Application Laid-Open No. 59-226902 [0004] In the conventional technology described above, when the microcomputer malfunctions, the operation of the controlled equipment is immediately stopped. In an air conditioner having a main control unit and a motor drive control unit, it is required to provide that the operation is not stopped immediately when the communication between the main control unit and the motor drive control unit becomes abnormal, even when the communication becomes abnormal. An air conditioner that continues to operate. Contents of the invention [0005] The present invention has been made in view of the above c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/63
CPCG05B15/02G05B19/0428G05B2219/24139G05B2219/2614F24F11/32F24F11/56F24F11/61F24F11/65F25B2600/021H02P3/06
Inventor 大野嘉仁
Owner MITSUBISHI ELECTRIC CORP