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Air Conditioning System and Its Clock Synchronization Method and Device

A clock synchronization, air conditioning system technology, applied in transmission systems, digital transmission systems, time division multiplexing systems, etc., can solve problems such as complex clock control logic, and achieve the effect of solving complex control logic and simplifying control logic.

Active Publication Date: 2019-08-06
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides an air conditioning system and its clock synchronization method and device, so as to at least solve the technical problem that the control logic of the clock synchronization of the air conditioning system is relatively complicated

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  • Air Conditioning System and Its Clock Synchronization Method and Device
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Embodiment Construction

[0024] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0025] It should be noted that the terms "first" and "second" in the description and claims of the present invention and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence. It is to be understood that the data so used are interchangeable under appropriate ...

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Abstract

The invention discloses an air conditioning system and a clock synchronization method and device thereof. The method comprises a step of obtaining a synchronization frame which is a data frame for clock synchronization, a step of broadcasting the synchronization frame through a CAN bus such that a node device connected to the CAN bus executes clock synchronization through the synchronization frame. According to the air conditioning system and the clock synchronization method and device thereof, a technical problem of the complex control logic of the clock synchronization of the air conditioning system is solved.

Description

technical field [0001] The invention relates to the field of air conditioning, in particular to an air conditioning system and a method and device for clock synchronization thereof. Background technique [0002] Air-conditioning systems, especially for multi-node air-conditioning systems, such as multi-connected systems, due to their complex control logic, use time-based logic control, such as time timing or calculation of day and night control algorithms, must use a clock, if the device is If the clocks cannot be synchronized, it may lead to abnormal control of the unit. Therefore, the system needs to synchronize the clocks to ensure that every device in the system is at the same time. The air-conditioning system in the prior art usually performs clock synchronization through the RS485 line, especially when there are multiple devices in the air-conditioning system, the control logic leading to data synchronization is relatively complicated. [0003] Aiming at the relativel...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04J3/06H04L12/40
CPCH04J3/0658H04L12/40006H04L2012/40215
Inventor 王文灿唐杰刘志辉邓忠文黄强
Owner GREE ELECTRIC APPLIANCES INC