Method and device for judging connected relation and multi-split air conditioner
A connection relationship, judgment device technology, applied in heating methods, lighting and heating equipment, space heating and ventilation, etc., can solve problems such as trouble, mismatched connection relationships, waste of time, etc.
Inactive Publication Date: 2015-05-13
GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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Problems solved by technology
[0003] In the related technology, the connection relationship between the signal control line and the connection pipe between the indoor unit and the outdoor unit has been one-to-one correspondence during the production of the one-to-many air conditioner, and cannot be changed. During installation, it is easy to wrongly connect the signal control line and the connecting pipe, so that the connection relationship between the signal control line and the connecting pipe between the outdoor unit and the indoor unit of the one-to-many air conditioner does not match, resulting in the fan of the indoor unit not working normally. In this way, the signal control line and connecting pipe must be disassembled and reinstalled, which will be very troublesome and time-consuming
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[0037] In order to understand the above-mentioned purpose, features and advantages of the present invention more clearly, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.
[0038] In the following description, many specific details are set forth in order to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described here. Therefore, the protection scope of the present invention is not limited by the specific details disclosed below. EXAMPLE LIMITATIONS.
[0039] figure 1 A schematic flowchart showing a method for judging the connection relationship between the indoor and outdoor unit signal control lines and connecting pipes according to an embodimen...
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The invention provides a method for judging the connected relation of an indoor and outdoor unit signal control line and a connecting tube, a device for judging the connected relation of the indoor and outdoor unit signal control line and the connecting tube and a multi-split air conditioner. The method comprises the steps that after any indoor unit in multiple indoor units of the multi-split air conditioner sends a fan control signal, the real-time parameter of a fan of the any indoor unit is detected; whether the real-time parameter of the fan of the any indoor unit changes or not is judged, when the judgment result is yes, it is judged that the connected relation of a signal control line between an outdoor unit of the multi-split air conditioner and the any indoor unit and the connecting tube is matched, and otherwise it is judged that the connected relation of signal line between the outdoor unit and the any indoor unit and the connecting tube is not matched. According to the technical scheme, the control logic of the output signal of the signal control line is changed so that the signal control line can be matched with the connecting tube, and the fan of the correct indoor unit can be controlled.
Description
technical field [0001] The present invention relates to the technical field of air conditioning, in particular to a method for judging the connection relationship between indoor and outdoor unit signal control lines and connecting pipes, a device for judging the connection relationship between indoor and outdoor unit signal control lines and connecting pipes, and a Multiple air conditioners. Background technique [0002] At present, there are at least two indoor units of one-to-many air conditioners, and even five, six or more indoor units of some one-to-many air conditioners. When the indoor units are controlled to work normally, the indoor The unit sends the fan control signal to the outdoor unit through the signal control line between the indoor unit and the outdoor unit. After receiving the fan control signal, the outdoor unit opens the regulating valve corresponding to the indoor unit to control the rotation of the fan, thereby making the The indoor unit can work norma...
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IPC IPC(8): F24F11/00
CPCF24F11/30
Inventor 申孟亮侯泽飞杨兆勇
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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