Control method and device of dual-combined power supply system and dual-combined power supply system
A control method and co-supply technology, applied in heating system, control input related to air characteristics, space heating and ventilation control input, etc., can solve problems such as poor heating effect
Active Publication Date: 2022-06-28
NINGBO AUX ELECTRIC +1
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Problems solved by technology
[0004] The problem solved by the invention is the problem that the overall indoor heating effect is poor under the condition of low water temperature in the existing floor heating and air conditioning dual supply system
Method used
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Embodiment Construction
[0043] 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.
[0044] figure 1It is a structural schematic diagram of the combined air-conditioning and floor heating dual supply system of the present invention, showing that the dual supply system includes an outdoor unit, and the outdoor unit is connected to multiple air-conditioning indoor units and floor heating water modules at the same time. The refrigerant pipeline is between the outdoor unit and the indoor unit of the air conditioner, and the water module and the indoor pipeline connected to it are the waterway, which includes outlet water and return water.
[0045] Both the water module and the indoor unit are equipped with electronic expansion valves, and the water module drives the water cycle through the water pump and exchanges heat with th...
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The present invention provides a control method and device for a dual-supply system, and the dual-supply system. The method includes: if a combined heating command of an air conditioner and floor heating is received, obtaining the return water temperature of the floor heating, the temperature of the outlet water of the floor heating, and the output of the floor heating water pump. The duty cycle and the opening quantity of the thermal valve; if the floor heating return water temperature is within the preset temperature range, the floor heating return water is calculated according to the floor heating return water temperature, the floor heating outlet water temperature, the floor heating pump output duty cycle and the number of thermal valve openings The first duration required for the temperature to rise to the upper limit of the preset temperature range; if the first duration is greater than the duration threshold, floor heating operation is prohibited; if the return water temperature of the floor heating is lower than the lower limit of the preset temperature range, floor heating operation is prohibited. The invention can avoid low-temperature floor heating from consuming heating output, and improves user comfort during use.
Description
technical field [0001] The present invention relates to the technical field of air conditioning, in particular to a control method and device for a dual supply system and the dual supply system. Background technique [0002] Floor heating and air-conditioning combined supply system refers to the multi-connected outdoor unit connected to the air-conditioning indoor unit and the water machine module of the floor heating at the same time. Only the air conditioner is turned on when cooling, and the combination of air conditioner and floor heating is turned on when heating. [0003] When heating, if the temperature of the floor heating water is low and the ambient temperature is low, the heating capacity of the floor heating will be low (caused by the low ambient temperature), and the low-temperature water circulates in the system for a long time (caused by the low water temperature), and the floor heating is stored at this stage The large cooling capacity leads to a slow rise in...
Claims
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IPC IPC(8): F24D19/10F24F11/64F24F110/10
Inventor 宋磊刘合心陈华
Owner NINGBO AUX ELECTRIC