Abstract: This disclosure discloses a pressing apparatus, a battery production line, and a pressing method. The pressing apparatus is configured to press a workpiece queue. The pressing apparatus includes: a placement table, configured to support the workpiece queue, where the workpiece queue includes a plurality of workpieces arranged along a first direction; and at least one pressing assembly, where each pressing assembly includes a first presser and a stopper arranged opposite the first presser, where the first presser is configured to apply an acting force along the first direction to the workpiece queue, the stopper is configured to block the workpiece queue, and the first presser and the stopper are constructed to be capable of moving towards or away from each other along the first direction, where the pressing assembly is constructed to be capable of moving along a second direction intersecting the first direction.

Abstract: A pre-stacking mechanism for battery module and a battery production line are described. The pre-stacking mechanism for battery module includes a workbench, a multi-row pre-stacking mechanism, and a single-row pre-stacking mechanism. The multi-row pre-stacking mechanism is configured to pre-stack multi-row battery cells to form a multi-row battery module. The single-row pre-stacking mechanism is configured to pre-stack single-row battery cells to form a single-row battery module. Both the single-row pre-stacking mechanism and the multi-row pre-stacking mechanism are disposed on the workbench. The pre-stacking mechanism for battery module in the embodiments of this disclosure can improve the efficiency of the battery production line.

Abstract: Embodiments describe techniques for assigning a large volume of open items associated with a external entity to a diverse range of allocation methods. A user may define a planned target resource amount for each allocation method and an allocation strategy configuration. The open item matching tool may receive these information and begin assigning open items to the different allocation methods in a manner that satisfies the constraints provided in the allocation strategy configuration.

Abstract: An electrical connector includes a bracket having a plurality of mating frames arranged side by side in a lateral direction and opening forward and plural transition modules inserted forward to be at least partially accommodated in the mating frame, wherein the bracket defines plural heat dissipation grooves each located between two adjacent frames and plural heat dissipation fins each located in a corresponding heat dissipation groove, the heat dissipation groove opening through in a front-rear direction.

Abstract: The present invention discloses an underwater vacuum cleaner impeller, and relates to the field of underwater vacuum cleaners. The underwater vacuum cleaner impeller includes a vacuum cleaner body, and an improved impeller mounted inside the vacuum cleaner body. The improved impeller includes a mounting base mounted inside the vacuum cleaner body, and a rotary head is rotatably disposed inside the mounting base. An arc-shaped vortex blade is mounted on a back surface of the rotary head, and a guide nozzle is mounted on an end of the arc-shaped vortex blade. In the underwater vacuum cleaner impeller, by starting a drive motor, the rotary head drives the arc-shaped vortex blade to rotate, and a water drainage amount of the single-cavity arc-shaped vortex blade is larger.

Abstract: The present disclosure provides a display substrate, a manufacturing method thereof and a display apparatus. The display substrate includes a base substrate, an active structure layer disposed on the base substrate and a source-drain structure layer disposed on the active structure layer. The active structure layer includes a first active layer and a second active layer. A material of the first active layer includes low-temperature polysilicon and a material of the second active layer includes oxide semiconductors. The source-drain structure layer includes a first source-drain electrode and a second source-drain electrode, wherein the first source-drain electrode overlaps with a first side surface of the first active layer through a first via hole and the second source-drain electrode overlaps with a second side surface of the second active layer through a second via hole.

Abstract: The patent discloses a storage basket with high strength and bearing capacity, including a second metal basket body, wherein two sides of the second metal basket body are fixedly assembled with first metal basket bodies; the first metal basket bodies are assembled and arranged on the two sides of the second metal basket body, so that the first metal basket bodies and the second metal basket body are connected into a whole to form the storage basket; and two side edges, connected to each other, of the first metal basket bodies and the second metal basket body are welded with each other to form a whole or are connected into a whole through Z-shaped connecting components. The storage basket of the patent has high strength and bearing capacity and can assist in finishing more tasks that require load bearing.

Abstract: An electrical connector includes: an insulating housing comprising a mating slot; a row of lower terminals arranged along a first direction and located at a lower side of the mating slot, each of the lower terminals including a fixing portion, an elastic arm, a soldering portion, the row of lower terminals including plural pairs of first signal terminals, plural pairs of second signal terminals, and plural grounding terminals, the pairs of first signal terminals and the pairs of second signal terminals being arranged alternately with each other and being separated by the grounding terminals; and a row of upper terminals located at an upper side of the mating slot, wherein, viewed in the first direction, the first signal terminals are aligned with each other, the second signal terminals are aligned with each other, and the second signal terminals protrude deeper into the mating slot than the first signal terminals.

Abstract: The present disclosure provides a display substrate and a display device: The display substrate has a display area, an edge area arranged on at least one side of the display area, and a transition area arranged between the display area and the edge area, the display substrate includes: a base substrate, a plurality of sub-pixels and a redundant line located on the base substrate, the plurality of sub-pixel being arranged in an array in the display area, the redundant line extending along a column direction of the sub-pixels and passing through the transition area; each sub-pixel includes: a pixel driving circuit; the pixel driving circuit includes a storage capacitor; at least a part of second electrodes of storage capacitors extend from the display area to the transition area and are electrically connected with the redundant line.

Abstract: Disclosed is a blade apparatus for wind power generation, which includes: a blade body, one end thereof being provided with a blade-root connecting portion; and a blade root assembly, including a plurality of blade root segments arranged in a circumferential direction of the blade body to form a body of revolution, each blade root segment being detachably connected to a corresponding portion of the blade-root connecting portion. The blade root assembly with a plurality of blade root segments is adopted, so that the dimension of a single blade root segment is greatly reduced, thus effectively reducing the difficulties in manufacture and transportation. Meanwhile, the overall dimension of the blade root assembly can be further increased to match with a larger blade body, which is beneficial to further improve the swept area of blade and generated output of wind power generation device.

Abstract: A pixel driving circuit, a driving method thereof and a display panel are provided. The pixel driving circuit includes a driving transistor, a capacitor having two terminals connected to a first power terminal and a gate electrode of the driving transistor, and a light emitting device. The pixel driving circuit includes: a reset module; a data writing module; a threshold compensation module including a compensation transistor configured to electrically connect second and gate electrodes of the driving transistor together in the data writing phase; a light emitting control module including a first gating transistor configured to electrically connect the second electrode of the driving transistor and the light emitting device in the reset phase and disconnect the second electrode from the light emitting device in the data writing phase. The compensation transistor and the first gating transistor are oxide transistors, and the driving transistor is a low-temperature polysilicon transistor.

Abstract: Provided is a display panel. The display panel includes a base substrate and a plurality of pixel circuits disposed on the base substrate. At least two pixel circuits in a same column are coupled with a same first initial power line, such that only a small quantity of signal lines need to be disposed on the base substrate.

Abstract: An electrical connector includes an outer frame and an inner connector assembly. The inner connector assembly includes: a mating frame with a vertical mating slot; two vertical terminal modules fixed together and received in the mating frame, each terminal module including an insulating housing and a row of terminals protruding into the mating slot and located at two sides of the mating slot, each row of the terminals including plural pairs of signal terminals and plural grounding terminals; a shielding member attached to a side of the insulating housing; and an absorbing member attached to a side of the shielding member away from the terminals, wherein the shielding member includes plural grounding fingers pressing against corresponding grounding terminals, and the absorbing member covers at least a part of the shielding member while has no contact with the grounding terminals.

Abstract: This application provides a module tray and a battery production device. The module tray includes: a tray body; a reference member mounted on the tray body and configured for supporting and positioning a battery module in a first direction; a sliding member slidably mounted on the tray body along the first direction and configured to clamp the battery module in cooperation with the reference member; and an adjustment mechanism connected to the sliding member, where the adjustment mechanism is configured to drive the sliding member to move along the first direction and lock a position of the sliding member, and the adjustment mechanism is mounted on the tray body.

Abstract: Provided are a battery cell testing probe mechanism, a testing apparatus, and a battery production line. The battery cell testing probe mechanism includes a connecting member and multiple test members. The connecting member is configured to connect to an external structure, and at least one test member is slidably connected to the connecting member along a first direction. Each test member corresponds to an electrode terminal of a battery cell and performs relevant data collection on the corresponding electrode terminal. When battery cells of different dimensions are tested, one or more test members can be moved relative to the connecting member along the first direction to adjust spacings between the test members, thereby meeting the testing requirements for the spacing between electrode terminals of battery cells of different dimensions and improving testing efficiency.

Abstract: A metal mesh plate structure having a metal mesh plate and an outer frame; the outer frame has a first clamping part and a second clamping part, the first clamping part and the second clamping part clamp the periphery of the metal mesh plate; the second clamping part of the outer frame is provided with a reinforcing folding part integrally bent with the second clamping part, and the outer wall of the reinforcing folding part is provided with at least one buckle; a reinforcing frame body is clamped with the reinforcing folding part of the outer frame; the inner wall of the reinforcing frame body is provided with a clamping groove matched with the buckle, and the buckle on the reinforcing folding part is clamped into the clamping groove on the reinforcing frame body to fixedly connect the reinforcing folding part with the reinforcing frame body.

Abstract: An electrical connector includes: a housing defining a longitudinal direction; a row of first terminals being retained in the housing and having plural pairs of signal terminals and plural grounding terminals; a row of second terminals retained in the housing opposite to the row of the first terminals; and a first grounding member retained in the housing, wherein the first grounding member has a longitudinal ridge, plural shielding portions, and plural grounding tails extending from the longitudinal ridge, the shielding portions face and shield corresponding pairs of signal terminals of the row of first terminals, respectively, spanning from a rear end to a front end of corresponding signal terminals, and the grounding tails contact corresponding grounding terminals of the row of first terminals, respectively.

Abstract: A low dielectric sealing glass powder for a miniature radio-frequency glass insulator is made of the following raw materials expressed in molar percentages: SiO2: 70.5-74.0%, B2O3: 20.5-23.5%, Ga2O3: 0.5-2.0%, P2O5: 0.25-2.0%, Li2O: 0.4-6.0%, K2O: 0.1-1.5%, LaB6: 0.05-1.0%, and NaCl: 0.03-0.3%. The raw material components are simple, and the preparation method is easy to implement. The dielectric constant and dielectric loss of the prepared glass powder are low, and the melting and molding temperature is low, which are convenient for large-scale industrial production. The melting and molding temperature of the low dielectric sealing glass powder ranges from 1320° C. to 1360° C., and the obtained glass has a dielectric constant ranging from 3.8 to 4.1 and a dielectric loss ranging from 4×10?4 to 10×10?4 at a frequency of 1 MHz, and a sealing temperature ranging from 900° C. to 950° C.

Abstract: A pixel driving circuit, a driving method thereof and a display panel are provided. The pixel driving circuit includes a driving transistor, a capacitor having two terminals connected to a first power terminal and a gate electrode of the driving transistor, and a light emitting device. The pixel driving circuit includes: a reset module; a data writing module; a threshold compensation module including a compensation transistor configured to electrically connect second and gate electrodes of the driving transistor together in the data writing phase; a light emitting control module including a first gating transistor configured to electrically connect the second electrode of the driving transistor and the light emitting device in the reset phase and disconnect the second electrode from the light emitting device in the data writing phase. The compensation transistor and the first gating transistor are oxide transistors, and the driving transistor is a low-temperature polysilicon transistor.