2results about How to "Much loss" patented technology

The application relates to a multi-connected air conditioner control method and device, electronic equipment and a readable storage medium. The method comprises the following steps: when the air conditioner running mode is a heating mode, determining a shutdown indoor unit with a shutdown running state in the indoor unit, and controlling the shutdown indoor unit to be disconnected with a refrigerant pipeline; determining a terminal indoor unit in the shutdown indoor unit; and performing a refrigerant recovery operation on the pipeline corresponding to the terminal indoor unit. By disconnecting the shutdown indoor unit with the refrigerant pipeline, the refrigerant can be prevented from entering the indoor unit to cause heat loss; meanwhile, by recovering the refrigerant in the terminal indoor unit, the refrigerant can be prevented from accumulating in the refrigerant pipeline, and the refrigerant recovery in the terminal indoor unit can drive the refrigerant in the refrigerant pipeline of the non-terminal indoor unit to circulate to a certain extent, so that the refrigerant recovery is ensured, and excessive heat loss of the system caused by the refrigerant recovery of too many indoor units is avoided.

This invention relates to the field of LC connector testing technology and discloses a B-value testing device for LC fiber optic connectors. This invention solves the problem that existing LC connector B-value testing using mechanized equipment does not consider the influence of the fiber cladding mode on the test data. The invention utilizes an electric push rod, a first push plate, a second push plate, and a compression spring. Activating the electric push rod causes the upper clamping block to move upwards and outwards. This raises one end of the output and input fibers connected to the upper clamping block to a certain height, then pulls one end towards the other. Since the lower clamping block remains stationary, the movement of the upper clamping block causes the output and input fibers to be squeezed into a loop. Due to the special shape of this loop, a signal attenuation effect is generated, thereby eliminating the additional optical signal brought by the cladding mode and avoiding deviations in the test values. Furthermore, the looping is controlled mechanically, making it easier to control the loop diameter compared to manual looping, preventing excessively large loop diameters and excessive losses.