Multi-split air conditioner refrigerant control method and device, air conditioner and storage medium
A control method and multi-connection technology, applied in heating and ventilation control systems, heating methods, mechanical equipment, etc., can solve the problem of high requirements for system refrigerant quantity control, large load variability, and failure of multi-connection system refrigerant quantity control Requirements and other issues to achieve the effect of ensuring comfort, improving user experience, and ensuring operating results
Active Publication Date: 2020-02-14
NINGBO AUX ELECTRIC
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Problems solved by technology
[0003] As people's requirements for the operation effect of air-conditioning systems are increasing day by day, traditional air conditioners can no longer meet market demand, especially for multi-connected air-conditioning units, due to their relatively large amount of refrigerant and the relatively large variability of indoor operating loads. The requirements for the control of the amount of refrigerant in the system are even higher
When the indoor operating load varies greatly, the control of the refrigerant volume of the multi-connected system cannot meet the requirements, and the operation effect of the multi-connected air conditioner unit will be affected, thereby affecting the user's comfortable experience
Method used
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[0052] 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.
[0053] It should be noted that in the following description, the use of suffixes such as "module", "component" or "unit" used to represent elements is only for facilitating the description of the present invention, and has no specific meaning in itself. Therefore, 'module', 'part' or 'unit' may be used in combination.
[0054] First aspect, such as figure 1 As shown, a multi-connected refrigerant control method according to an embodiment of the present invention includes the following steps:
[0055] S10: Obtain the temperature of the coil, the temperature of the refrigerant cooling plate and the temperature of the power module board;
[0056] S20: When the difference between the temperature of the refrigerant cooling plate and the tempe...
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The invention discloses a multi-split air conditioner refrigerant control method and device, an air conditioner and a storage medium. The method comprises the following steps of acquiring a coil pipetemperature, a refrigerant cooling plate temperature and a power module plate temperature; and when the difference between the refrigerant cooling plate temperature and the coil pipe temperature is smaller than a first preset temperature threshold, controlling the multi-split air conditioner refrigerant according to the refrigerant cooling plate temperature and the power module plate temperature.According to the method, according to the coil pipe temperature, the refrigerant cooling plate temperature and the power module plate temperature, the running state of the current multi-split air conditioner system is obtained, and then the multi-split air conditioner system is effectively adjusted, so that the refrigerant amount of the multi-split air conditioner system is controlled to meet therequirement, the running effect of themulti-split air conditioner air conditioning unit is guaranteed, and the user experience is improved.
Description
technical field [0001] The present invention relates to the technical field of air conditioning, in particular to a multi-connected refrigerant control method and device, an air conditioner and a storage medium. Background technique [0002] The multi-connected air conditioner unit is an annular pipe network system composed of a compressor, an electronic expansion valve, other valve bodies and a series of pipelines. Since the multi-split unit can intelligently adjust the temperature and precisely control the temperature, and each indoor function can be adjusted independently, it can meet the needs of different spaces and different air-conditioning loads. In addition, the multi-line also has the advantages of energy saving and convenient installation. Therefore, the use of multi-line is more and more widely used. [0003] As people's requirements for the operation effect of air-conditioning systems are increasing day by day, traditional air conditioners can no longer meet m...
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IPC IPC(8): F24F11/30F24F11/52F24F11/64F24F11/65F24F11/84F24F11/88F24F140/20
CPCF24F11/30F24F11/52F24F11/64F24F11/65F24F11/84F24F11/88F24F2140/20
Inventor 陈东任小辉吉金浩
Owner NINGBO AUX ELECTRIC