Abnormal detection method and device for pipeline connection and multi-connection air conditioner
A technology of abnormal connection and detection method, applied in the field of multi-connected air conditioners, can solve problems such as abnormal connection of pipelines and difficulty in troubleshooting.
Active Publication Date: 2021-05-14
NINGBO AUX ELECTRIC +1
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Problems solved by technology
[0003] The problem to be solved by the present invention is to provide a method and device for detecting abnormal pipeline connections and a multi-connection air conditioner, so as to improve the problem that the existing multi-connection air conditioners have abnormal pipeline connections and are not easy to troubleshoot.
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[0046] In order to make the above objects, features and advantages of the present invention more comprehensible, specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0047] Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without making creative efforts belong to the protection scope of the present invention.
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The present invention relates to the technical field of air conditioners, and specifically provides a pipeline connection abnormality detection method, device, and air conditioner. The pipeline connection abnormality detection method acquires each indoor The temperature of the inlet pipe, the temperature of the middle pipe and the temperature of the outlet pipe of the machine, and then determine the abnormal indoor unit in the indoor unit according to the abnormality of the temperature of the inlet pipe, the temperature of the middle pipe, and the temperature of the outlet pipe, and then according to the temperature of the inlet pipe, the temperature of the middle pipe The temperature difference between the temperature and the outlet pipe temperature determines whether the pipeline connection of the abnormal indoor unit is abnormal. When it is determined that the pipeline connection is abnormal, it can be determined whether the gas-liquid circulation in the pipeline is abnormal according to the temperature difference between the inlet pipe temperature, the outlet pipe temperature and the middle pipe temperature. Furthermore, the abnormal type of pipeline connection is identified, which solves the problems of untimely identification of gas-liquid pipeline mismatch and difficulty in later investigation in the prior art.
Description
technical field [0001] The present invention relates to the technical field of air conditioners, in particular to a method and device for detecting abnormalities in pipeline connections and a multi-connected air conditioner. Background technique [0002] Multi-connected air-conditioning units often require one outdoor unit to drive multiple indoor units, so as to ensure the different needs of customers. Wherein, each internal unit is connected with a gas pipe and a liquid pipe. However, the air-conditioning system, especially the multi-connected unit, has problems such as multiple series of internal units, multiple platforms, and inconsistent gas-liquid pipes; during maintenance or installation, gas-liquid pipe mismatch may occur, resulting in a certain indoor unit being connected to two air pipes at the same time or Two liquid tubes. In this case, the long-term operation of the unit will seriously affect the customer experience and the reliability of the unit; at the same...
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IPC IPC(8): F24F11/38F24F11/64F24F11/61F24F11/67
CPCF24F11/38F24F11/61F24F11/64F24F11/67
Inventor 肖旭东
Owner NINGBO AUX ELECTRIC