37results about How to "Low operating precision requirements" patented technology

The invention provides a method for improving the photoelectric performance of perovskite. The method comprises the following steps of: S1, dissolving a certain amount of quaternary ammonium salt in asolvent to obtain a solution A; S2, immersing a perovskite film in the solution A for a certain period of time; and S3, removing the residual solvent on the surface of the soaked perovskite film by adopting air flow, and performing annealing. According to the method for improving the photoelectric performance of perovskite, the perovskite film obtained by the method of the invention is compact inthe surface and good in stability, and the device prepared based on the processed film shows the excellent photoelectric performance. The method is convenient to operate, and is suitable for large-scale production in factories.

The invention provides a grid mesh electrode and a preparation method thereof. The grid mesh electrode comprises an electrode frame. The electrode frame comprises a first winding part and a second winding part which are arranged opposite to each other. The grid mesh electrode further comprises a grid mesh hole defined by the electrode frame, and a grid mesh. Te grid mesh is arranged in the grid mesh hole. The grid mesh is composed of a plurality of metal wires arranged in parallel relative to one another. The two ends of the plurality of metal wires are respectively fixed on the first windingpart and the second winding part. The grid mesh formed by parallel metal wires is adopted instead of a mesh metal net. In this way, the grid mesh electrode is formed through the simple winding processinstead of the metal net attaching process higher on the operation precision requirement. The grid mesh electrode has at least one of the following advantages: low cost, simple preparation, high passing rate and the like.

The invention provides an assembled pier using mixed reinforcements of ordinary steel bars and screw-thread steel bars. The assembled pier using the mixed reinforcement of the ordinary steel bar and the screw-thread steel bar comprises a concrete pile cap (1), assembled pier bodies (2), a through longitudinal bars (6) and an unbonded prestressing tendon (7) and is characterized in that the throughlongitudinal bars (6) are obtained by mixing the ordinary steel bars and the screw-thread steel bars; and the through longitudinal bars (6) and the unbonded prestressing tendon (7) connect the concrete pile cap (1) with each assembled pier body (2) to form a complete pier system.

The invention relates to an interaction control method and device based on virtual reality. The method comprises the steps that when it is detected that a visual focus is located in a control area corresponding to a control object, the visual focus is displayed on the control object; when duration of the visual focus located in the control area reaches a first preset value, an operation corresponding to the control object is executed. Due to the fact that when it is detected that the visual focus is located in the control area corresponding to the control object, the visual focus is displayed on the control object, and when duration of the visual focus located in the control area reaches the first preset value, the operation corresponding to the control object is executed, according to the interaction control method and device based on the virtual reality, the requirement of the operation precision of a user can be lowered, and therefore the user experience can be improved.

The embodiment of the invention relates to the field of solar power generation, and discloses a solar cell bus bar, a solar cell module and a method for manufacturing the solar cell module. The technical solution of the invention is as follows: a pure aluminum bus bar is adopted, the bus bar and the electrode layer of the solar cell are welded by using an ultrasonic welding method; the contact surfaces of the two are firmly combined; formation of good ohmic contact is realized, and the bus bar can better transmit electric power generated by the solar cell. Compared with the prior art that expensive conductive adhesives or conductive silver paste is required to be coated and then imported hot melt tin welding equipment with a complex structure is used for welding, the bus bar has the advantages that the material and equipment cost is lower, the requirement on the operation precision is lower, and the production cost of the thin film solar cell is reduced.

The invention discloses a dynamic shaft hole assembling device and method based on multi-camera visual servo, and belongs to the field of mechatronics. The dynamic shaft hole assembling device comprises a mechanical part and a control part, wherein the mechanical part comprises an operation platform, an assembly robot, a tool flange, a driving shaft support, a driving shaft, a camera holder, a linear guide rail, an assembling hole, an assembling platform and a tripod; the assembly robot and the linear guide rail are fixed to the operation platform; the linear guide rail can drive the assembling platform to do linear motion, and the assembling platform can drive a to-be-assembled hole to do linear motion; and the control part comprises a main control computer, a robot controller and depth cameras. According to the dynamic shaft hole assembling device, the position deviation of the moving assembling hole and the driving shaft can be automatically recognized, and the position deviation isautomatically adjusted by means of a visual servo controller, so that dynamic shaft hole assembling of the moving assembling hole is achieved, and more efficient automatic assembling can be achieved.

The invention relates to the technical field of deicing systems, and provides a power transmission line deicing system which can realize autonomous walking, is less dependent on an unmanned aerial vehicle in the deicing process, is more energy-saving, is better in use sustainability, is easier to get close to and get away from an electric wire needing to be deiced, is better in practicability, and is higher in practicability. Comprising a plurality of first motors and a basic mounting frame, a plurality of rope penetrating holes are formed in the basic mounting frame, traction ropes are arranged in the rope penetrating holes, the traction ropes are provided with a lifting frame, a gradually-changed lifting plate is mounted in the lifting frame, the basic mounting frame is connected with two left frames and two right frames, the two left frames are connected with left wheel frames, and the two right frames are connected with right wheel frames. The two left wheel carriers are connected with left change gears, left springs are arranged between the two left wheel carriers and the two left frames, the two right frames are connected with right wheel carriers, right change gears are connected in the two right wheel carriers, right springs are arranged between the two right wheel carriers and the two right frames, and the traction ropes are connected with the left wheel carriers and the right wheel carriers respectively.

The invention relates to a photosensitive component manufacturing method, a photosensitive component, a camera module and a mobile terminal. The method comprises the following steps: providing a circuit board; arranging a first electric connection part on the circuit board, wherein the photosensitive chip is fixedly arranged on the circuit board, and second electric connection part corresponding to the first electric connection part is arranged on the surface, far away from the circuit board, of the photosensitive chip; placing a circuit board on which a photosensitive chip is fixed, so that the opening area of the photosensitive chip and the circuit board in the direction of injecting the insulating layer is increased; and forming an insulating layer between the side surface of the photosensitive chip and the circuit board, wherein the insulating layer is used for forming a conductive structure electrically connected with the first electric connection part and the second electric connection part. After the photosensitive chip is fixedly arranged on the circuit board, the circuit board on which the photosensitive chip is fixed is placed, so that the opening area of the photosensitive chip and the circuit board in the direction of injecting the insulating layer is increased, the glue is conveniently injected into the glue dispensing needle nozzle to form the insulating layer, the risk of poor electrical connection can be effectively reduced in the subsequent process, and the yield of the camera module is improved.

The invention provides an electrical coupler comprising a first terminal portion and a second terminal portion. The first terminal portion comprises: a first terminal portion bracket; two sets of brush swing arms, wherein one ends of the two sets of brush swing arms are respectively rotatably connected to the two ends of the first terminal portion bracket, and the other ends of each brush swing arm are respectively provided with at least one brush; and a first connecting terminal. The second terminal portion comprises: a second terminal portion bracket, wherein the middle part of one side surface of the second terminal portion bracket protrudes outwards to form two inclined planes which are inclined from the middle part to the two ends; two conductive plates, which are laid on the two inclined surfaces respectively; and a second connecting terminal. When the two terminal portions are coupled, the brushes of the two sets of brush swing arms are respectively in contact with the two conductive plates, and can slide to the two ends along the two conductive plates. According to the electric coupler, the electric brush, the brush swing arm and the lead plate are matched, so that a deviation error correction mechanism during coupling alignment is provided, and the requirement on the operation precision of a drive device of the coupler is reduced.

The invention discloses a material transmission method, a transmission device, a transmission system and a readable storage medium. The method includes: controlling the transmission of the material to be transmitted to the transmission surface of the first transmission mechanism; controlling the lifting mechanism to drive the material to be transmitted along the first Direction movement, so that the material to be conveyed is separated from the conveying surface; judge whether there is material at the first baffle; wherein, the first baffle is set at the discharge position of the first transmission mechanism; when there is no material at the first baffle, Controlling the lifting mechanism to move along the second direction, so that the materials to be conveyed fall onto the conveying surface; wherein, the first direction is opposite to the second direction; controlling the first conveying mechanism to convey the materials to the first baffle. By implementing the invention, when the detection equipment docked with the output end of the conversion platform is waiting for the material to be transported to be transported to the detection position, the running distance of the material to be detected is shortened from the first baffle to the detection position. The distance can improve the detection efficiency of the detection equipment.