10results about How to "Avoid misconnection" patented technology

The utility model relates to the technical field of fuel cells, in particular to an electrical connection structure for voltage inspection of a metal single cell. Comprising an electrical connection device, the electrical connection device comprises a plugging main body and a plurality of inspection lines, the plugging main body comprises a comb tooth structure, the comb tooth structure comprises a plurality of comb tooth units arranged at intervals, and each comb tooth unit comprises an internal comb tooth structure, an inspection line limiting groove and an external comb tooth structure used for separating single battery inspection pieces one by one. The internal comb tooth structure and the external comb tooth structure are both provided with slopes, the inclination angle alpha of the slopes is 10-30 degrees, and the end of the external comb tooth structure extends out of the side face of the plug-in body. And one ends of a plurality of inspection lines penetrate through the plugging main body at intervals and then are fixed in the inspection line limiting grooves. The connecting structure provided by the utility model has a combing and guiding function, so that pile short circuit caused by extrusion due to improper installation of the two inspection sheets of the adjacent single batteries can be effectively prevented, and the safety risk of pile burning due to short circuit is reduced.

The utility model discloses a kind of anti-misconnection terminal block structures of frequency conversion cabinet, it is related to electrical equipment technical field, including terminal block base, anti-misconnection terminal block, coding identification component, locking mechanism and wiring verification module;Terminal block base is provided with several terminal installation grooves along length direction, and the inner wall of each installation groove is equipped with positioning boss;Anti-misconnection terminal block is detachably installed in terminal installation groove, including wiring terminal main body and the anti-miscode structure of being set to the outer side of wiring terminal main body, anti-miscode structure is positioned with positioning boss cooperation;Coding identification component includes the color mark area and coding recess groove being set to terminal block base, and the coding plug-in unit being cooperatively installed in coding recess groove;Locking mechanism is set between anti-misconnection terminal block and terminal block base;Wiring verification module is integrated in terminal block base interior.The utility model is positioned by multiple anti-misdesign, and terminal misinstallation, misconnection is completely eliminated from physical structure, and human wiring error rate is greatly reduced.

The invention discloses a self-adaptive relay platen row and column coordinate detection method, and belongs to the field of computer vision and industrial automatic detection. The method comprises the following steps: firstly, acquiring an initial detection frame of a pressing plate block by using a deep learning model, and executing asymmetric center point compensation according to categories to determine a feature center point; then dynamically deriving a scale adaptive threshold based on a global minimum neighborhood distance, and constructing a global convex hull and an edge point cloud to establish a physical contour reference; then, a multi-criterion judgment condition recursive fitting algorithm is adopted to extract a row-column biaxial frame from the fragmented point set, and row and column attributes are automatically decoupled and judged through maximum included angle search and slope analysis; and finally, projecting the feature points to a biaxial intersection point, realizing accurate mapping from space coordinates to logic numbers, and outputting a row-column logic index. According to the method, the problem of difficulty in row and column identification caused by a complex shooting view angle, perspective deformation and pressing plate installation deviation is effectively solved, and the accuracy and robustness of state identification of the relay voltage plate for electric power inspection are remarkably improved.

The invention discloses a terminal electricity utilization information acquisition system based on a safety component. The system comprises a cabinet body, a cabinet door and a safety lock assembly integrated with a password input device and provided with an electric control spring bolt. And a main control unit electrically connected with the password input device and the electric control spring bolt is arranged in the cabinet body. A processing module responsible for logic control, a password module for storing verification passwords and an authority module for storing operation authority are integrated in the main control unit. A connection management device is arranged in the cabinet body, the connection management device comprises an instruction input device and an electric connection switching assembly, and the instruction input device is electrically connected with the main control unit. And the main control unit unlocks the safety lock assembly after verifying the identity and authority of an operator according to the received unlocking password, and controls selective single-point electric connection between the electric connection switching assembly and the target acquisition terminal according to a received authority instruction. According to the invention, hierarchical authorization can be realized, and the security of a terminal system is remarkably improved.

This invention discloses a method for constructing a road triangulation structure based on road markings extracted from road laser point clouds, belonging to the field of intelligent transportation and high-precision map construction. The method includes the following steps: First, robustly separating low points on the road surface from high points on non-road surfaces through a local slice reference system and tangential neighborhood soft support test; second, proposing a minimum-area rectangle centerline fitting strategy, utilizing the geometric prior of the marking strips to suppress lateral fitting drift, and constructing a high-precision road skeleton; third, reconstructing the trajectory of curb contour points using a constraint generation method based on the road skeleton, ensuring the parallelism and continuity of edges and lane lines; finally, constructing a semantically meaningful TIN triangulation network through unified diagonal rules. This invention can effectively address point cloud quality fluctuations and ensures strict alignment between the road skeleton and edge facilities through geometric constraints, and implements an automated modeling method based on topological logic, making it suitable for scenarios such as autonomous driving simulation, high-precision map production, and road holographic perception.

The utility model relates to test machine interface technical field discloses a kind of test machine interface foolproof mechanism, including substrate, fixed hole is equipped on the substrate, for installing and fixing to substrate;A plurality of first mounting hole and second mounting hole are provided on the substrate, the width between the first mounting hole is greater than the width between the second mounting hole, and first mounting hole and second mounting hole are separated by separation groove;It further includes first connector and second connector, the first connector is adapted to install in second mounting hole, and the second connector is adapted to install in first mounting hole.In the utility model, by the width difference of first mounting hole and second mounting hole, the size difference of first connector and second connector, the identification is pasted in the label slot, multi-dimension avoids external control mechanism and sorting machine sorting interface misconnection, guarantees equipment connection and operating accuracy, reduces the risk of equipment failure, sorting anomaly etc. due to misconnection.

The utility model discloses a kind of multi-structure low-voltage single-phase current transformer, including the current transformer body consisting of closed housing and built-in mutual inductance component, the window shape of the current transformer body is compatible with the cross-sectional shape of cable or copper bar, the cable or copper bar passes through the window and is installed on the current transformer body, and the top surface of the current transformer body is equipped with the foolproof wiring port and screw wiring port connected with mutual inductance component.This utility model is a kind of multi-structure compatible double-wiring selectable integrated low-voltage single-phase current transformer, cable / copper bar one-key switching installation and screw / foolproof terminal can be selected wiring can be realized, while the utility model structure is simple, low in cost, improve wiring efficiency and operation safety, solve the existing low-voltage single-phase CT installation compatibility, secondary wiring no selection, screw wiring loose problem.

This invention provides a split-type explosion-proof robot control cabinet based on an external air source, relating to the fields of industrial automation and explosion-proof safety technology. It includes an explosion-proof cabinet and a positive-pressure cabinet, connected via a docking interface. An external air source is input into the positive-pressure cabinet to form a positive-pressure airflow, dissipating heat from the cabinet and maintaining an internal pressure higher than the external environment. The explosion-proof cabinet is a sealed cavity. After the positive-pressure airflow exits from the positive-pressure cabinet, it flows over the outer surface of the explosion-proof cabinet, further dissipating heat. This invention achieves dual explosion-proof protection by independently designing and collaboratively operating the explosion-proof cabinet and the positive-pressure cabinet. The positive-pressure cabinet prevents the infiltration of external flammable gases through dynamic pressure control. The two modules achieve physical isolation and functional linkage through a quick-connect interface, balancing explosion-proof performance with modular maintenance requirements.

The invention provides a pig feed production quality tracing method based on cloud computing. Comprising the steps of whole-process data acquisition and structuring of multi-source heterogeneous process parameters and quality detection indexes, sliding window segmentation normalization and time alignment processing, causal relationship identification based on Granger causal test and information transfer entropy, and dynamic optimization of a causal atlas by an improved time-aware structure equation model. According to the method, the accuracy and the analysis efficiency of feed production abnormity traceability are remarkably improved, key influence procedures can be conveniently and rapidly positioned, and the accuracy and the analysis efficiency of feed production abnormity traceability are improved, so that the accuracy and the analysis efficiency of the feed production abnormity traceability are improved, and the accuracy and the analysis efficiency of the feed production abnormity traceability are improved. And quality control and process optimization are facilitated.

The utility model discloses a kind of refrigerators of convenient maintenance, it is related to refrigerator technical field, including mounting plate and connecting plate, the upper surface of mounting plate is equipped with refrigeration compressor by connecting plate, the front and rear both sides of connecting plate are equidistantly installed with first tooth block, the front and rear both sides of mounting plate are installed with vertical plate, the opposite side of movable plate is equidistantly installed with second tooth block;The upper surface of mounting plate is equipped with wire harness limiting groove in left and right sides. The refrigerator of convenient maintenance, by the pre-positioning cooperation of positioning column and positioning hole, rotating threaded rod on vertical plate, drive movable plate to move along guide telescopic rod, make first tooth block and second tooth block staggered engagement, realize the quick locking and loosening of refrigeration compressor, dismounting and resetting time when repairing can be greatly shortened without complex tool;Meanwhile, engagement structure can be transverse and longitudinal limit to compressor, ensure installation stable.