A control method, device and multi-connection system for automatic refrigerant injection
A multi-connection, refrigerant technology, used in refrigerators, refrigeration components, refrigeration and liquefaction, etc., can solve the problem of abnormal communication and unable to ensure normal perfusion.
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Embodiment 1
[0028] figure 1 is a flow chart of a control method for automatically filling refrigerant according to an embodiment of the present invention, such as figure 1 As shown, the method includes the following steps:
[0029] Step S101 , in the process of automatically pouring refrigerant on multiple connections, if a communication abnormality is detected, an abnormal value is determined according to the abnormal state of the internal and external units. The abnormal status of the internal and external units may include: the number of internal units with abnormal communication, the capacity of the internal units, and the capacity of the external units.
[0030] Specifically, when the multi-connection system is powered on and reset, the capacity of the external machine, the capacity of the internal machine, and the number of the internal machine can be recorded. When abnormal communication is detected, obtain the number of internal units, capacity of internal units, and capacity of...
Embodiment 2
[0049] figure 2 It is the processing flow chart of the abnormal communication of the internal machine during the automatic perfusion process according to the embodiment of the present invention, such as figure 2 shown, the process includes:
[0050] In step S201, if the multi-connection system needs to perform automatic filling of refrigerant, the system is powered on and reset, and records the capacity of the external unit, the capacity of the internal unit, and the number of the internal and external units.
[0051] Step S202, when abnormal communication between internal and external units is detected, the number of internal units with abnormal communication and the capacity of internal units are recorded, and the abnormal value M is calculated accordingly, where M=sum of capacity of internal units with abnormal communication / capacity of external units. It should be noted that the sum of the capacity of the internal units with abnormal communication refers to the total ca...
Embodiment 3
[0070] corresponds to figure 1 The control method for automatically pouring refrigerant is introduced, and this embodiment provides a control device for automatically pouring refrigerant, such as image 3 The shown structural block diagram of the control device for automatic filling of refrigerant, the device includes:
[0071] The communication detection module 10 is used to determine the abnormal value according to the abnormal state of the internal and external machines if abnormal communication is detected during the process of automatic refrigerant perfusion in the multi-connection;
[0072] The first adjustment module 20 is connected to the communication detection module 10, and is used for adopting a first strategy to adjust the operation of multiple connections when the abnormal value is less than or equal to a preset threshold and lasts for a first preset period of time, so as to ensure that automatic perfusion continues to be performed operate;
[0073] The second ...
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