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A kind of air conditioner and AC voltage detection method

A technology for AC voltage and voltage detection, which is applied in the direction of measuring current/voltage, space heating and ventilation, instruments, etc., can solve problems such as AC voltage detection, and achieve the effect of improving reliability and perfecting AC voltage detection

Active Publication Date: 2022-01-11
HISENSE (SHANDONG) AIR CONDITIONING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The invention proposes an air conditioner to solve the technical problem in the prior art that the AC voltage cannot be detected when the driving MCU is not powered

Method used

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  • A kind of air conditioner and AC voltage detection method
  • A kind of air conditioner and AC voltage detection method
  • A kind of air conditioner and AC voltage detection method

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Embodiment Construction

[0042] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0043] In the description of this application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientations or positional relationships indicated by "top", "bottom", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying Refe...

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Abstract

The invention discloses an air conditioner and an AC voltage detection method. The main control MCU of the air conditioner is configured to receive a first voltage detection signal sent by an AC voltage detection module when the air conditioner is connected to an AC power supply and is not turned on. ; If the first voltage detection signal exceeds the preset range, output a fault signal and refuse to start, so that the air conditioner can accurately detect the AC voltage in the standby state, thereby improving the reliability of the outdoor unit controller.

Description

technical field [0001] The present application relates to the field of air conditioning control, and more specifically, to an air conditioner and an AC voltage detection method. Background technique [0002] In air-conditioning products, the outdoor unit controller uses two chips to implement control: the main control MCU and the driver MCU. The main control MCU and the driver MCU can communicate with each other to realize different functions respectively. Among them, the AC bus voltage detection function is performed by the driving MCU, and the detection result is notified to the main control MCU by means of communication. In this type of design, in order to achieve low standby power consumption, when the air conditioner is connected to the AC power supply but does not receive a power-on command, the power supply of the circuit driving the MCU side is disconnected, and only after receiving the power-on command, the The power supply of the circuit driving the MCU side is t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F24F11/88F24F11/38F24F11/64F25B13/00G01R19/25
CPCF24F11/88F24F11/64F24F11/38F25B13/00G01R19/2503
Inventor 刘思聪高思云陈建兵
Owner HISENSE (SHANDONG) AIR CONDITIONING CO LTD