4results about How to "Good dustproof" patented technology

The utility model relates to an ultrasonic gas meter flow regulator. The flow regulator is characterized in that the flow regulator is mounted at a flow channel air inlet of the flow channel and sequentially comprises a scattering layer, a developing layer and a rectifying layer which are integrally formed through injection molding or are assembled and connected in a split manner. The utility model aims to change the original gas flow field distribution, stabilize the flow field characteristics of the metering module and improve the metering precision of the ultrasonic gas meter, and has the characteristics of strong adaptability, convenience in installation and positioning, good flow field stability, high precision and the like.

The utility model relates to the technical field of currency counters, and discloses a one-and-a-half-opening sorting currency counter with a thickness measuring function, which comprises a one-and-a-half-opening sorting currency counter main body, a storage groove and a heat dissipation opening, the top of the one-and-half-opening sorting currency counting machine body is provided with an integrally-formed storage groove, an opening in one side in the storage groove is connected with a display screen through a damping rotating shaft, an inner cavity is formed in the one-and-half-opening sorting currency counting machine body, and one end of the top in the inner cavity is provided with a correlation type laser distance measuring sensor through a screw. A magnetic head infrared is installed at the other end of the top in the inner cavity through a screw, a cash outlet table is arranged in the inner cavity, cash outlet wheels are installed at the two ends of the cash outlet table through reserved openings, and an automatic zero clearing sensor is embedded in the position, located between the cash outlet wheels, of one side of the cash outlet table. The one-and-a-half-opening sorting currency counter has the function of measuring the thickness of paper money, after use is completed, the display screen can be conveniently rotated into the storage groove, storage is facilitated, and the dustproof and waterproof effects are remarkable.

The utility model belongs to the field of high -power test equipment especially relates to a heat pipe radiator for test equipment, including heat conduction matrix, heat pipe, heat dissipation matrix, heat conduction matrix is connected with heat dissipation matrix, it is equipped with a plurality of through -hole in the middle heat conduction matrix, the fixed connection of heat pipe has on heat dissipation matrix, the evaporation section of heat pipe is close to heat conduction matrix, the fixed connection of a plurality of radiating fins has on heat dissipation matrix, and the condensation section of radiating fin is close to heat pipe. Advantage is: has high -efficient heat dissipation, good dustproof, space utilization high -efficient, the advantage that heat is conducted downward, can effectively solve the heat dissipation problem of high -power test power supply equipment under special working condition, improves the operating stability and life of equipment.

The utility model discloses a multimode multicore non -contact light connector, including light connector plug and light connector socket, be provided with the connecting jack on the light connector socket, and light connector plug is inserted through the guiding structure and is set in the connecting jack of light connector socket, light connector socket and light connector plug all are provided with the optical fiber line, when light connector socket is connected with light connector head, the position of optical fiber line and optical fiber line corresponds, the end of corresponding place of optical fiber line and optical fiber line is provided with the collimating lens, and the collimating lens has the gap between collimating lens, and then reach the effect of non -contact transmission, the utility model discloses through non -contact transmission avoided the end face physical attrition and pollution of traditional connector because of repeatedly plugging, improved the service life and reliability of connector significantly, eliminated the light loss fluctuation and instability caused by end face contact badly, ensured that the light signal transmission performance is long -term stable.