5results about How to "Flexible size" patented technology

The utility model provides a photovoltaic module horizontal and vertical mixed installation waterproof system for a pitched roof, which comprises a plurality of first photovoltaic modules, a plurality of first drainage grooves, a plurality of second photovoltaic modules and a plurality of second drainage grooves, and the plurality of first photovoltaic modules and the first drainage grooves are arranged along the longitudinal direction perpendicular to the length direction of the pitched roof. The plurality of second photovoltaic modules and the second drainage grooves are transversely arranged in parallel with the length direction of the sloping roof; a first drainage groove is formed below a longitudinal frame of any first photovoltaic module, a second drainage groove is formed below a transverse frame of any first photovoltaic module, a first drainage groove is formed below a longitudinal frame of any second photovoltaic module, and a second drainage groove is formed below a transverse frame of any second photovoltaic module; the first drainage grooves and the second drainage grooves are formed in the same plane parallel to the sloping roof, and any second drainage groove is at least communicated with one first drainage groove; and the first photovoltaic module and the second photovoltaic module are arranged on the same plane parallel to the sloping roof.

This utility model discloses a structure combining a reservoir intelligent inspection drone airport with a cultural wall. The structure includes a cultural wall with a canopy. A drone support is mounted on the canopy, and a drone airport kit is installed on the support. Tempered glass is installed around the drone support to enhance the protection of the reservoir intelligent inspection drone airport. This utility model solves the problems of difficult location selection and protection for reservoir intelligent inspection drone airports. It not only constructs a drone airport to facilitate drone inspection functions but also improves the landscape effect of the reservoir. Furthermore, the reservoir intelligent inspection drone airport and the cultural wall share power supply, communication, lightning protection, and grounding facilities, which facilitates unified maintenance and saves investment.

This utility model relates to the field of battery technology and discloses a single cell and a battery pack, which improves the effective connection area of ​​the current collector and enhances battery performance. The single cell includes: a housing having an inner cavity and a through hole; an electrode assembly disposed in the inner cavity; a terminal post passing through the through hole; and a current collector located axially between the electrode assembly and the terminal post, including a central portion connected to and electrically conductive with the terminal post and an edge structure connected to and electrically conductive with the electrode assembly; the edge structure includes at least two connecting portions and at least two welding portions, the connecting portions and welding portions circumferentially surrounding the central portion and alternately arranged; the welding portions and the central portion are respectively connected to the two ends of the connecting portions radially; a first gap is provided between the welding portion and the central portion, and a second gap is provided between the welding portion and the adjacent connecting portion; the first gap and the second gap penetrate the current collector axially, and the first gap between each welding portion and the central portion connects the welding portion to the second gap between the welding portion and the adjacent connecting portion.

The utility model belongs to the technical field of power batteries, and particularly relates to a battery cell group module, a battery pack and an electric device. The battery cell group module comprises a plurality of battery cell stacking bodies which are arranged along a first direction, and each battery cell stacking body comprises a plurality of battery cells which are arranged along a second direction; the connecting beams are arranged at the two ends, distributed in the first direction, of the battery cell stacking body; the two side plate groups are distributed on the two sides of the battery cell stacking bodies in the second direction, each side plate group comprises a plurality of side plate sections which are distributed in the first direction and are detachably connected, and the side plate sections located on the two sides of the same battery cell stacking body are detachably connected with the connecting beams located at the two ends of the corresponding battery cell stacking body and clamp and fix the battery cell stacking bodies during connection; and hoisting holes are formed in the connecting beams and / or the side plate sections. The side plate sections and the connecting beams are assembled flexibly, the space utilization rate can be increased, the lifting appliance can be directly connected and matched with the lifting holes to achieve lifting and transferring, and lifting and transferring are convenient.

The application discloses a passive wireless sensing label with multi-axis sensing function and belongs to the technical field of sensing; the device comprises a film layer, a first antenna layer, a piezoelectric layer and a second antenna layer which are sequentially stacked from top to bottom; an RFID chip and an RFID antenna are installed in the first antenna layer; the RFID chip is in signal connection with the RFID antenna; the piezoelectric layer is in signal connection with the RFID chip; the RFID chip is connected with a sensing structure, and the sensing structure is installed on the first antenna layer or the second antenna layer; the number of the sensing structure is two, the two sensing structures are horizontally arranged on the same plane, and the two sensing structures are perpendicular to each other. The passive wireless sensing label has the advantages of convenient manufacturing, low cost, flexible size, high starting sensitivity, flexible adjustment of sensing parameters and the like.