8results about How to "Play a foolproof role" patented technology

The present invention discloses a dual-frequency dual-polarization omnidirectional antenna, comprising a first antenna substrate, a first antenna radiating unit, a second antenna substrate and the second antenna radiating unit, wherein the first antenna radiating unit is attached to the surface of the first antenna substrate, the second antenna radiating unit is attached to the surface of the second antenna substrate, a first through slot with an upper end opening is provided at a center right position of the upper end of the first antenna substrate, a second through slot with an lower end opening is provided at a center left position of the lower end of the second antenna substrate, the second antenna substrate is vertically inserted into the first through slot through the second through slot and vertically connected with the first antenna substrate in a cross direction, and does not affect the lead-out of a feed line, the first antenna radiating unit generates -45° polarized radiation, and the second antenna radiating unit generates +45° polarized radiation, thereby realizing the dual-frequency dual-polarization omnidirectional radiation of the antenna.

The utility model discloses a kind of prevent fool tooling for magnetic steel installation, including substrate, multiple positioning guide grooves are opened in annular array on the substrate, and prevent fool device is set in the left and right sides of positioning guide groove;The prevent fool device includes bearing, longitudinal setting pivot is set in the bearing, the top of the pivot is set to drag plate, prevent fool magnet is fixedly set on the drag plate, when motor magnetic steel is passed from top to bottom in positioning guide groove, if the magnetism with prevent fool magnet is same, then repel each other, prevent fool magnet is in the state of inclination under the action of pivot, if the magnetism with prevent fool magnet is different, then attract each other, prevent fool magnet is perpendicular to motor magnetic steel under the action of pivot.The utility model can prompt the motor magnetic steel of installation by setting prevent fool device, avoid installation error, prevent fool effect is played to the installation of motor magnetic steel, to improve the product quality of motor.

This application provides a terminal block assembly, an end cap assembly, an energy storage device, and an electrical device to reduce the cost of terminals and improve product competitiveness. The terminal block assembly includes a terminal block, pins, and a conductive element. The pins include a first pin portion and a second pin portion. The first pin portion is fixedly connected to the terminal block, and the second pin portion is fixedly connected to the first pin portion and intersects with the first pin portion. The conductive element is fixedly connected to the second pin portion, and the material of the conductive element is different from the material of the pins.

The utility model discloses a cover plate with a self-adaptive screen brightness adjusting structure, which comprises a cover plate main body and an FPC (Flexible Printed Circuit) plate body, an annular shielding ink layer is arranged on the outer ring of the cover plate main body, a photosensitive window is arranged on the shielding ink layer, a photosensitive unit is arranged at the lower part of the photosensitive window, and the FPC plate body is arranged on the FPC plate body. The photosensitive unit comprises a photosensitive glass substrate, a transparent front electrode layer is arranged on the upper surface of the photosensitive glass substrate, and an amorphous silicon layer is arranged on the upper surface of the transparent front electrode layer. By means of the light sensing unit below the light sensing open window, the light sensing unit can generate currents with different magnitudes under different ambient light, the change of the brightness of the ambient light and the change of the currents generated by the light sensing unit are in positive correlation, and therefore a main control chip of the screen assembly can calculate the change of the external ambient light by monitoring the change value of the currents. Finally, the brightness of the display screen is adjusted to match the ambient light brightness, and the overall power consumption is further reduced.

The utility model discloses a backlight module capable of preventing an EMI (Electro-Magnetic Interference) shielding film from being reversely pasted, which comprises a lower frame, an FPC (Flexible Printed Circuit) and a rectangular EMI shielding film, the FPC is bent to the lower surface of the lower frame, and a component area is arranged on the FPC; the rectangular EMI shielding film is attached to the lower surface of the FPC, the rectangular EMI shielding film comprises a rectangular black aluminum foil and an insulating layer arranged on the upper surface of the black aluminum foil, the insulating layer completely covers the lower surface of the component area, the rectangular black aluminum foil is attached to the lower frame and the lower surface of the FPC, and the rectangular black aluminum foil is attached to the lower frame and the lower surface of the FPC. And a fool-proof gap is arranged at one vertex angle of the rectangular black aluminum foil. Due to the fact that the fool-proof notch is formed in one vertex angle of the rectangular black aluminum foil, namely, the design that the notch is formed in the right-angle position of one end of the rectangular black aluminum foil is adopted, an assembling worker can clearly check whether the drawing is pasted reversely or not when checking the drawing after pasting, the fool-proof effect is achieved, and meanwhile operation of the assembling worker is facilitated.

The utility model discloses an inner container fool-proof assembly tool which comprises a base, a tool upper cover is installed in the base, a fool-proof key is arranged above the tool upper cover, an installation groove is formed in one side of the fool-proof key, the installation groove is used for containing a rear-end inner container protection sleeve, a plurality of fool-proof blocks are arranged on the periphery of the rear-end inner container protection sleeve, and the fool-proof blocks are arranged in the installation groove. The plurality of fool-proof blocks are matched with the fool-proof key and are used for positioning the position of the rear-end liner protective sleeve in the mounting groove; a mounting hole is formed in the rear-end inner container protective sleeve and is used for mounting a signal terminal and a power terminal; the front-end inner container protective sleeve is matched with the fool-proof key; the positioning device is used for positioning the position of the rear-end inner container protection sleeve on the front-end inner container protection sleeve. According to the utility model, the fool-proof key and the fool-proof block are arranged, so that the assembly of product assemblies with smaller volumes by workers becomes simple, the assembly efficiency of the workers is improved, the working hours are saved, and the rate of defective products is reduced.

The utility model discloses a machining positioning and clamping device which comprises a bottom plate, at least one set of product clamping assembly is arranged on the bottom plate, each product clamping assembly comprises an extruding and pushing clamping block and a product fixing block, the product fixing blocks are fixed on the bottom plate, the extruding and pushing clamping blocks are arranged in sliding grooves of the bottom plate, and the product fixing blocks are fixed on the bottom plate. One surface of the outer side of the extruding and pushing clamping block is a stress inclined surface, a T-shaped groove is formed in the stress inclined surface, a pressing block is arranged on one side of the stress inclined surface, a T-shaped inclined surface bulge matched with the T-shaped groove is arranged on the pressing block, the pressing block is connected to the bottom plate through an adjusting screw, and a rebounding piece is arranged on the bottom side of the pressing block. Compared with the prior art, the utility model has the advantages that the fool-proof key position groove is arranged, so that the accurate alignment of a product is facilitated, the product can be quickly installed for processing, the fool-proof effect is achieved, and the positioning accuracy and the efficiency are high.

The utility model discloses a kind of lithium battery pole assembling foolproof system, including turntable and the assembling mechanism located in the side of turntable, clamp for positioning battery top cover is equipped on turntable, assembling mechanism includes base, transmission assembly is equipped on base, the output end of transmission assembly is equipped with mounting block, mounting block is equipped with positive electrode sucking disc and negative electrode sucking disc, assembling mechanism still includes two for inductive positive pole and negative pole color color sensor;Mounting block is equipped with positive electrode material taking part and negative electrode material taking part, positioning block is equipped below mounting block, positive electrode positioning seat and negative electrode positioning seat are equipped on positioning block, positioning groove is respectively equipped on positive electrode positioning seat and negative electrode positioning seat, two positioning grooves are respectively corresponding to can be combined to accommodate positive pole and negative pole.The utility model prevents misplacing in positive pole and negative pole assembling transfer process by the different color and size of positive pole and negative pole positioning determination, also plays the role of foolproof.