Abstract: The battery support frame comprises a support frame body and a back panel. The support frame body has a channel for the battery box to enter into or exit from the support frame body. The back panel is used to connect the support frame body to an electric vehicle. At least one locking slot extending in an X direction is provided on the back panel. The channel for entry and exit of the battery box on the support frame body enables the support frame body to be connected to an electric vehicle by means of the back panel. The locking slot is configured to extend in the X direction, effectively increasing the area of the locking slot, and accordingly increasing the contact area between the locking slot and the locking shaft. The invention improves stress uniformity between the locking slot and the locking shaft, and prevents a concentration of stress.

Abstract: A magnetostriction-based vibration suppression apparatus for a steel pipe of a power transmission tower includes a lantern ring, four spoiler cups, and two control boxes; the lantern ring is fixedly sleeved on the steel pipe; mouths of the spoiler cups face outwards, and bottoms thereof are hinged on the lantern ring; the four spoiler cups are squarely distributed; and the two control boxes are symmetrically and fixedly mounted on the lantern ring; the control boxes are arranged as follows: the spoiler cups are arranged in pairs as a group, and each control box is arranged between two spoiler cups; each control box is provided therein with two groups of inerter units corresponding one-to-one to the spoiler cups. The vortex is avoided using a structure such as a spoiler cup, and the vibration kinetic energy of the steel pipe is consumed, thereby achieving an effective vibration reduction effect.

Abstract: Provided is an electrical connection device (1) including a connector (2) having a hollow connecting cavity (21), each of two opposite sides of the connecting cavity is connected to a conductive plug (22) electrically coupled with the connecting cavity (21). The connecting cavity (21) is form by a plurality of flexible conductive materials. When in use, the grid-like connecting cavity (21) made of the flexible conductive materials can be elongated, compressed, or radially twisted, and is adaptive to changes in relative displacement at various angles at various angles in the axial direction or radial direction between different electrical connecting bases, thereby preventing degradation of performance of electrical connection due to the changes in relative displacement.

Abstract: This application provides a yolk core-shell structured composite material, a preparation method of the material, and a secondary battery containing the material. The yolk core-shell structured composite material includes a core and a shell. A cavity exists between the core and the shell. The core includes a phosphorus-doped silicon material, and the shell includes a nitrogen-doped carbon material. This application can improve a capacity and a capacity retention rate of the battery.

Abstract: Disclosed are a locking mechanism, a battery bracket, an electric vehicle, and a method for locking and unlocking a battery pack. The locking mechanism comprises a lock base and a lock tongue; the lock tongue is rotatably mounted on the lock base around a rotary shaft; the lock base is provided with an accommodating cavity; the lock tongue is rotated so that a lock shaft located within the accommodating cavity is in a locked state and an unlocked state. When the lock shaft moves in the accommodating cavity, the lock tongue may be driven to rotate downward, preventing the lock tongue from rotating upward and causing the lock shaft to convert into the unlocked state, and improving the reliability of fixing a battery pack.

Abstract: Provided are an elastic member, a limiting member, a limiting guide device, and an electric automobile comprising same. The limiting guide device comprises an elastic member (201) and an limiting member (101) which match each other. The elastic member (201) is fixed to an inner side wall of a quick-change support (200) of the electric automobile or an outer side wall of a quick-change battery box (100) of the electric automobile, and the elastic member (201) is used for elastically limiting the movement of the quick-change battery box (100) in the quick-change support (200). The elastic member (201) can elastically limit the movement of the quick-change battery box (100) in the quick-change support (200), thereby preventing the battery box (100) from being damaged.

Abstract: A light emitting diode includes an n-type structure, a p-type structure, and an active-region sandwiched between the n-type structure and the p-type structure; a p-contact layer formed on the p-type structure; and a p-ohmic contact of a thickness in the range of 0.2-100 nm formed on the p-contact layer, wherein the p-ohmic contact comprises one or more layer of metal oxide.

Abstract: A fluid conduit disinfector includes a conduit with a fluid disinfection channel defined by inner side surface of the conduit, wherein the inner side surface of the conduit is reflective with a germicidal ultraviolet (GUV) light reflectance R of 50%-99%; a GUV light source for emitting GUV light into the fluid disinfection channel; a fan for forcing a fluid to be disinfected to flow through the fluid disinfection channel, and a filter for filtering particles from the fluid. The fluid disinfection channel may include a first section, a second section and a third section, wherein the first section has a cylindrical shape with a first diameter, the third section has a cylindrical shape with a third diameter larger than the first diameter, the second section has a truncated conical shape and is positioned between the first section and the third section.

Abstract: A DUV light source module includes a print circuit board, an array of DUV light-emitting diodes (LEDs), a plurality of DUV LED drivers for driving the DUV light-emitting diodes, and a pair of electrical connectors for connecting the DUV LED drivers hence the DUV light-emitting diodes to a power source, and A DUV light source device includes the DUV light source module, a reflector, a heat sink, a heat pipe, a radiator and a fan.

Abstract: An electrical connection device. The electrical connection device comprises a vehicle side electrical connector comprising a first mounting seat, a first high-voltage assembly and a first low-voltage assembly; and a battery side electrical connector comprising a second mounting seat, a second high-voltage assembly and a second low-voltage assembly. The first high-voltage assembly comprises a first high-voltage pole, a flexible electrical connector and a high-voltage plug, wherein the first high-voltage pole includes an electrical contact end and a wiring end; wherein one end of the flexible electrical connector is in a floating electrical connection with the wiring end of the first high-voltage pole, the high-voltage plug is in a floating electrical connection with the other end of the flexible electrical connector.

Abstract: A fixing structure of an automobile caliper cover is used for fixing a caliper cover body to an automobile caliper. The fixing structure includes a first fixing member and a second fixing member. The first fixing member includes a connection bracket, a first bent portion fixedly connected to the connection bracket, and a second bent portion cooperating with the first bent portion and fixing the connection bracket to the car caliper; and the first bent portion and the second bent portion are fixedly connected; and/or the second fixing member includes a connection bracket and a fixing buckle fixedly connected to the connection bracket, in which the fixing buckle is used for fixing the connection bracket to the automobile caliper. The connection bracket has at least one bent portion to enhance a strength of the connection bracket and facilitate fastening installation of the connection bracket.

Abstract: A vehicle side electrical connector. The vehicle side electrical connector comprises a first mounting seat, a first high-voltage assembly and a first low-voltage assembly; wherein the first high-voltage assembly comprises of a first high-voltage pole, wherein the first high-voltage pole includes an electrical contact end and a wiring end, wherein the first high-voltage assembly comprises a flexible electrical connector and a high-voltage plug, one end of the flexible electrical connector is in a floating electrical connection with the wiring end of the first high-voltage pole, and the other end of the flexible electrical connector is in a floating electrical connection with the high-voltage plug; the flexible electrical connector adapts the relative displacement change in axial, radial and all directions between the first high-voltage pole and the high-voltage plug through a flexible cavity. By means of the vehicle side electrical connector, the first high-voltage assembly can be prevented from hard damage.

Abstract: A battery side electrical connector. The battery side electrical connector including a second mounting seat, a second high-voltage assembly and a second low-voltage assembly, wherein the second high-voltage assembly and the second low-voltage assembly are configured to be inserted through the second mounting seat, the second high-voltage assembly includes a second high-voltage pole, the second mounting seat is provided with a high-voltage mounting hole, wherein the second high-voltage pole is configured to be inserted through the high-voltage mounting hole, wherein outer wall surface of the second high-voltage pole is provided with a positioning section which is used to limit the movement of the second high-voltage pole relative to the second mounting seat along axial direction of the high-voltage mounting hole. By means of the battery side electrical connector, the second high-voltage assembly can be prevented from hard damage.

Abstract: The present invention relates to mobile devices for disinfecting an object. The mobile device includes: one or more light sources for generating a disinfection light; a display; one or more processors coupled to the one or more light sources and display; and a non-transitory computer-readable medium comprising one or more sequences of instructions which, when executed by the one or more processors, causes steps to be performed including: determining a required dosage of the disinfection light; determining an exposure time of the disinfection light that corresponds to the required dosage of the disinfection light; illuminating the disinfection light on the surface; and displaying a disinfection map on the display to report a result of a disinfection process performed by the illumination of the disinfection light.

Abstract: A continuous feeding device for predatory mites, including a feeding part and an isolation part to solve problems existing in the prior art of accurately controlling a feeding quantity of predatory mites, and reducing a number of the feeding devices required for feeding predatory mites, thereby reducing a feeding cost of predatory mites.

Abstract: The present application provides a negative electrode plate, a secondary battery, a battery module, a battery pack, and a power consuming device. The negative electrode plate may include a main body region and at least one low-thermal-conductivity edge region; and the low-thermal-conductivity edge region and the main body region respectively may have thermal conductivities of ?2 and ?1, where ?2<?1.

Abstract: A visual positioning system, comprising a first visual sensor (501), a second visual sensor (502), and a position obtaining unit (503), wherein the first visual sensor (501) is used for obtaining a first image (G11) of a first position (A) of a target apparatus (7), a second visual sensor (502) is used for obtaining a second image of a second position (B) of the target apparatus (7), and the position obtaining unit (503) is used for obtaining position information of the target apparatus (7) according to the first image (G11) and the second image. Further disclosed are a battery swapping device and a battery swapping control method. Relatively high positioning accuracy is obtained in a visual manner, and accurate positioning between the battery swapping device and a vehicle for battery swap is implemented.

Abstract: A clamping vehicle lane control method and system, an electronic device and a storage medium. A clamping vehicle lane (1) has a vehicle carrying plane (11) that is used to carry an electric vehicle (9) and that can be raised and lowered. The clamping vehicle lane control method comprises: controlling the vehicle carrying plane (11) to be raised and lowered between any two heights among an initial height, a battery removal height, and a battery installation height. The height of the vehicle carrying plane (11) is controlled so that the vehicle carrying plane (11) may meet battery replacement requirements of each stage, thus shortening the overall battery replacement time, and improving the efficiency of battery replacement.

Abstract: An electrode assembly, a battery, a battery module, a battery pack and a powered device are provided. The electrode assembly comprises a first electrode piece, a second electrode piece with opposite polarity to the first electrode piece, and a separator arranged between the first electrode piece and the second electrode piece; the electrode assembly is obtained by winding the first electrode piece, the second electrode piece and the separator; and the separator comprises a base film and a coating provided on at least part of the surface of the base film, and the coating comprises a hydraulic inorganic material capable of hardening upon reaction with water. The present application can solve the problem of central hole collapse in the electrode assembly and the battery, and improve the safety performance and cycle performance of the battery.

Abstract: A battery swapping method, comprising: taking out a battery pack having insufficient electricity from an electric vehicle and placing the battery pack at a first position; overturning the taken-out battery pack having insufficient electricity to a second position from the first position in a first direction; putting the battery pack insufficient electricity located at the second position into a charging compartment for charging and/or taking out a battery pack having full electricity from the charging compartment and placing the battery pack having full electricity at a third position, overturning the taken-out battery pack having full electricity to a forth position from the third position in a second direction; and putting the battery pack having full electricity located at the forth position into the electric vehicle. The battery swapping method simplify battery swapping process and increasing battery swapping speed.