7results about How to "Solve the wiring problem" patented technology

The utility model relates to the technical field of oxygen content detection of oxygen production workshops, and discloses a workshop early warning equipment guiding device for detecting oxygen content, which is used for connecting an output end of the workshop early warning equipment guiding device with a detection adjusting device for motion transmission. A second gas detector is connected to the side face of the longitudinal extending support, a fan is arranged in the area among the side face of the outer frame, the top face of the cross beam and the bottom face of the guiding device, the fan is electrically connected with the detection adjusting device and the second gas detector, and the output end of the fan is located outside the workshop. According to the workshop early warning equipment for detecting the oxygen content, the two mounting frames synchronously move along with driving of the movable sliding block, the first gas detector is driven to do one-way motion, and when the mounting frames move to the other end of the notch, the motor rotates reversely to drive the mounting frames to do reverse motion; the first gas detector is matched with the second gas detector to detect the oxygen content of the local area and the whole in the workshop.

The present invention discloses an intelligent panel cabinet structure with a hidden conductive joint, comprising: a first side panel, a second side panel, a first layer panel and a first panel support combination; the first side panel comprises a first concave-shaped installation groove arranged at one end of the first side panel in a direction perpendicular to the ground, a first concave-shaped conductive groove opposite to the first installation groove, a first through hole penetrating the first side panel and a second through hole arranged in a direction pointing to the first through hole along the first conductive groove; the first side panel also comprises a first conductive element, the first conductive element comprises a first conductive sheet, a first wire and a first conductive plug; a driver is arranged at one end of the first conductive groove close to the ground, one end of the driver is connected to the first copper bar in the first conductive groove, and the other end is connected to a power supply. By arranging electronic components on the first layer panel and arranging circuits inside the first side panel and the first layer panel, the problem of wiring of electronic components is solved, which is both beautiful and safe.

The invention discloses a control circuit of a robot system. The control circuit comprises an MCU main control module, an air pressure detection module connected with the MCU main control module, an IMU inertial navigation module, a communication module and a band-type brake motor control module, and a power management module connected with the MCU main control module and used for supplying power to the whole circuit. The communication module comprises a CAN communication unit, an RS485 communication unit and an RS232 communication unit which are connected with the MCU main control module; and the MCU main control module is also connected with an IO expansion interface. The power management module, the IO expansion interface, the air pressure detection module, the IMU inertial navigation module, the CAN communication unit, the RS485 communication interface, the RS232 communication interface and other communication interfaces are integrated, so that multifunctional integrated control of the robot is achieved.

The present invention discloses a protective device for a supersonic wind tunnel flow calibration pressure measuring hose. Along the wind tunnel airflow direction, the protective device is located behind the scimitar bracket of the wind tunnel test section, and includes an inner layer protective mechanism and an outer layer protective mechanism, wherein the inner layer protective mechanism is placed as a whole in the outer layer protective mechanism; the outer layer protective mechanism is composed of a rear protective cover, a mounting base, a front protective cover and a cover plate, and has a connected chamber inside to accommodate the inner layer protective mechanism. After the pressure measuring hoses led out from the cross pressure measuring rack are bundled, they pass through the protective device, enter the wind tunnel resident chamber and are connected to the wind tunnel pressure measuring system. The protective device uses a metal bellows to protect the pressure measuring hose, which moves back and forth with the lead screw and works together with the outer layer protective mechanism to avoid the influence and damage of the supersonic airflow on the pressure measuring hose, effectively protect the pressure measuring hose of the flow calibration mechanism, solve the wiring problem of multiple pressure measuring tubes in the flow channel of the supersonic wind tunnel, and ensure the reliable acquisition of the pressure measurement data of the supersonic wind tunnel test.

The application discloses a standard phase belt integer slot short-pitch lap winding symmetrical 4-branch connection method, which comprises the following steps: 1) dividing positive and negative phase belts, and dividing p-pole pairs into j normal pole pairs and k special pole pairs; 2) connecting coils under the j normal pole pairs according to normal winding pitch y1; 3) performing phase-to-phase exchange on lower-layer coil edges under the k special pole pairs; and 4) recombining the upper and lower-layer coil edges under the k special pole pairs and constructing winding branches. The winding formed by the method of phase-to-phase exchange of the lower-layer coil edges can weaken high-order harmonics, the branches of each phase are completely symmetrical in electric potential and magnetic potential, and there is no circulating current between the parallel branches; the three-phase branches are also completely symmetrical; the connection problem of the short-pitch lap winding symmetrical 4-branch is solved, the advantages of the lap winding are still embodied, the copper consumption of the motor winding is significantly reduced, and the theoretical limitation that the short-pitch symmetrical 4-branch winding cannot be connected under the odd number of pole pairs is broken through.

The utility model relates to the technical field of floating object salvage equipment, in particular to a water surface floating object salvage and collection all-in-one machine which comprises a collection barrel, a pressure sensor is arranged in the collection barrel, a control box is fixed to the left side of the collection barrel, and propeller floating pipes are arranged at the front end and the rear end of the bottom of the collection barrel. A hollow floating pipe is fixed to the end, away from the collecting barrel, of each propeller floating pipe through a connecting pipe, propellers are rotationally connected to the left ends of the two propeller floating pipes through rotating shafts, a camera is arranged on the rear side of the right end of the collecting barrel, a conveying belt is arranged at the right end of the collecting barrel, and a plurality of solar panels are arranged at the right end of the conveying belt. Two collecting plates are further arranged at the right end of the conveying belt, and a collecting fan is arranged in each collecting plate. Steering is achieved through forward and reverse rotation of the motor, compared with a traditional differential method, the method has the advantage of being faster in steering, and therefore the automation degree of equipment is improved.

The application discloses a phase sequence adaptive grid-connection control method and system of a chain SVG device, and the method comprises the following steps: 1) obtaining three-phase line voltage input by the SVG to obtain three-phase voltage synchronization signals; 2) taking the three-phase voltage as the input of a software phase-locked loop, and using the d and q axis components of the output voltage to judge the voltage phase sequence; if the voltage phase sequence is a negative sequence, then adjusting the voltage of any two phases to adjust the three-phase voltage to a positive sequence; 3) obtaining the data of the SVG three-phase current and the three-phase synchronization voltage when the SVG high-voltage switch is closed; 4) obtaining the corresponding line sequence relationship between the three-phase synchronization voltage and the three-phase input voltage according to the data of the SVG three-phase current and the three-phase synchronization voltage when the high-voltage switch is charged; and 5) adjusting the line sequence of the three-phase current collection signals output by the SVG, calculating three-phase modulation waves, and distributing the three-phase modulation waves to the three-phase converter chains. The application has the advantages of automatically correcting the phase sequence of the synchronization voltage, improving the debugging efficiency and the like.