43results about How to "Meet the restrictions" patented technology

An underground combination service entrance apparatus for temporary and permanent service comprising two enclosures. A utility enclosure contains a meter socket and the second enclosure contains a breaker panel. The breaker panel on the customer side and the meter on the utility side meet NEC requirements and the local utility company regulations. An optional section in the utility enclosure provides a raceway space for routing wiring. Knockout holes are provided on the utility enclosure for installation of a hub for running wires to and from the service apparatus. The enclosures can be semi-flushed mounted. The two enclosures are isolated from each other, fastened together, and mounted on a wall. A removable hood is provided to weatherproof the customer enclosure for temporary use.

The invention discloses a tire type metro replaced laying machine and a span changing method thereof. The tire type metro replaced laying machine comprises a portal structure, a lifting structure, a span changing structure, an electrical system, a hydraulic system and a walking device. The walking device comprises a supporting frame. Walking mechanisms are arranged on the two sides of the supporting frame, and each walking mechanism comprises a walking frame and a walking wheel set. Wheel faces of each walking wheel set comprise a cylindrical wheel face and a conical wheel face connected withthe cylindrical wheel face, wherein the outer diameters of the conical wheel face are large inside and small outside. The span changing mechanism is further arranged and used for realizing span changing. According to the tire type metro replaced laying machine, the temporary track laying process of metro track laying is reduced through the walking device, the cost input is reduced, the construction period is ensured, the walking device rotates by 0-45 degrees in the circuit direction to adapt to walking on different-radius pipe walls, and the limiting requirements for special conditions of small curves, station platforms and civil air defense doors can be met.

The present disclosure relates to a wireless charging method and a terminal. The method includes: the terminal obtains a voltage threshold supported by a power management chip, multiple output voltages supported by a wireless charger and their corresponding upper limit values ​​of output current; and the voltage threshold to determine the voltage conversion coefficient, and send a charging request to the wireless charger, wherein the charging request includes a requested voltage and a requested current, and the requested voltage is the maximum output voltage not greater than the product of the voltage threshold and the reciprocal of the voltage conversion coefficient, and the requested current is not It is greater than the upper limit of the output current corresponding to the requested voltage; the terminal generates a charging signal under the excitation of the wireless signal output by the wireless charger, and performs voltage and current conversion on the charging signal according to the voltage conversion coefficient and current conversion coefficient to obtain the input of the power management chip signal, where the current conversion factor is the reciprocal of the voltage conversion factor. The solution provided by the present disclosure can effectively improve charging efficiency and reduce charging time.

The invention provides a mutual-shooting imaging system for a deep-space exploration lander and a deep-space exploration rover. The system consists of a landform physiognomy camera, a cameral pointing mechanism holder, a panorama camera and a mast holder; the landform physiognomy camera is installed on the camera pointing mechanism holder, and the panorama camera is installed on the mast holder; the cameral pointing mechanism holder is installed on the lander, the yaw angle scope is -175 DEG to +175 DEG, and the pitch angle copse is -60 DEG to +60 DEG; and the mast holder is installed on the rover, the yaw angle scope is -178.5 DEG to +178.5 DEG, and the pitch angle copse is -60 DEG to +90 DEG. According to the system, the lander and the rover are both provided with a camera for cooperative working with a corresponding mechanism moving part, the two cameras respectively perform static shooting on the lander and the rover, and also perform following shooting on movement state of the rover on moon surface, so that the quantity of cameras configured to an imaging system.

The invention relates to a constant-stable offshore nuclear power platform. A fixed ballast tank is arranged at the bottom of the nuclear power platform. After the nuclear power platform is in place, solid ballast is poured into the fixed ballast tank so that the center of gravity of the nuclear power platform is located below the buoyancy center. The upper part of the fixed ballast tank is connected to the bottom of the buoyant tank through trusses and braces, and the upper periphery of the buoyant tank is connected to the bottom of the deck through several columns, which are used as the main support structure and stability maintenance structure of the nuclear power platform; the middle of the top of the buoyant tank is connected to the bottom of the deck There is a cylindrical nuclear island cabin between the decks, the upper end of the nuclear island cabin runs through the deck, and the nuclear island cabin hatch cover and anti-collision protection structure are set on the deck; the nuclear island cabin contains small nuclear reactor containment and internal circuit facilities After the nuclear power platform is in place, the sea level is higher than the immersion height of the nuclear reactor containment. The invention has constant stability, good safety, simple structure and low engineering cost, and can provide stable, reliable and clean energy for the development of offshore oil and gas fields, sea islands and shore users.