2results about How to "Lower fixed costs" patented technology

The present application relates to a new ventilation structure for BIPV module, comprising a photovoltaic assembly matched with a building wall, the back of the photovoltaic assembly is installed on the facade of the building wall in parallel through a plurality of steel columns, a ventilation gap is formed between the photovoltaic assembly and the building wall, the bottom of the ventilation gap is transversely inserted with an air inlet channel for constituting a contraction air inlet, and the top is longitudinally inserted with an exhaust chimney as an air outlet. The present application modifies the air duct between the photovoltaic assembly and the building wall in a simple way, so that the natural convection in the ventilation gap can be accelerated to a high wind speed level similar to the forced convection condition, without any mechanical fan device, and the ventilation cooling of the BIPV module can be enhanced without increasing the power consumption. In addition, the improved ventilation structure of the present application can be easily realized without a large amount of installation work, and the related fixed cost is far lower than the modification of a single solar panel.

The application provides a kind of verification equipment and verification method for MEMS sensor, it is related to MEMS sensor verification equipment technical field.Verification equipment includes shell, test mechanism, driving mechanism and signal output unit, the sealed cavity is formed in the inside of shell, test mechanism is located in sealed cavity and includes center axis and multiple two two opposite connecting arms, the inside of each connecting arm is formed with gas pipeline, gas pipeline is configured to controllably pass into gas, one end of each connecting arm is connected with center axis, the other end is equipped with test seat, test seat is used to install MEMS sensor, driving mechanism is connected to the center axis of test mechanism, driving mechanism is set to drive all connecting arms of test mechanism to rotate around center axis by preset angle, signal output unit is connected with the MEMS sensor currently connected on test seat and is used to output the detection signal of MEMS sensor.The verification equipment of the application can realize the verification of multiple types of MEMS sensors by controlling different verification conditions, and the structure is simple, the cost is lower.