Abstract: An electric vehicle running control system is provided. The electric vehicle running control system comprises a heating circuit coupled with an in-vehicle battery and configured to heat the in-vehicle battery. The vehicle running control system further comprises a load capacitor and a first current storage element. The first current storage element may be coupled with the load capacitor and the heating circuit respectively configured to reduce interference between the heating circuit and the load capacitor.

Abstract: A mounting structure for an in-vehicle power battery may be provided. The mounting structure may comprise an upper cover (3), a suspension tray (1) and a bracket device (2) for supporting at least a part of a peripheral bottom portion of the suspension tray (1). The suspension tray (1) may be hermetically connected with the upper cover (3), forming a sealed space for receiving the power battery. The bracket device (2) may be detachably fixed to a bottom surface of the body floor. Further, a vehicle (100) comprising the mounting structure described above may also be provided.

Abstract: A method of joining an amorphous alloy material to a heterogeneous material and a composite formed by the same are provided. The method comprises steps of: placing a pre-formed piece made of one of the amorphous alloy material and the heterogeneous material into a mold; heating the other of the amorphous alloy material and the heterogeneous material to a predetermined temperature, and casting the other of the amorphous alloy material and the heterogeneous material into the mold to form a transition connection part joining the amorphous alloy material to the heterogeneous material and having a fusion welded structure, a microstructure reinforcing connection structure and a composite connection structure; and cooling the amorphous alloy material and the heterogeneous material at a rate higher than a critical cooling rate of the amorphous alloy material to obtain a composite formed by joining the amorphous alloy material to the heterogeneous material by the transition connection part.

Abstract: A distributed battery management device and a method thereof are provided. The method comprises: receiving, by a battery management control module, a first identification distribution request from a first data acquisition module; activating, by the battery management control module, the first data acquisition module for monitoring one or more batteries; and sending, by the battery management control module, a first identification message corresponding to the first identification distribution request, to the first data acquisition module. The device comprises: a battery management control module; and a first data acquisition module communicatively coupled with the battery management control module, wherein the battery management control module and the first data acquisition module are configured to communicate with each other to identify the data acquisition module.

Abstract: A device for moving a vehicle-mounted object and a vehicle having the same are provided. The device comprises a housing with an opening, a cover frame mounted on the housing, a cover with a surface for mounting the vehicle-mounted object thereon, the cover being coupled with the cover frame and being capable of pivoting to either expose or cover at least a part of the opening, and a platform slidably fitted within the housing, being coupled with the cover and movable between a first position to cause the cover to pivot to expose at least a part of the opening, and a second position to cause the cover to pivot to cover at least a part of the opening.

Abstract: A method of joining an amorphous alloy material to a heterogeneous material and a composite formed by the same are provided. The method comprises steps of: placing a pre-formed piece made of one of the amorphous alloy material and the heterogeneous material into a mold; heating the other of the amorphous alloy material and the heterogeneous material to a predetermined temperature, and casting the other of the amorphous alloy material and the heterogeneous material into the mold to form a transition connection part joining the amorphous alloy material to the heterogeneous material and having a fusion welded structure, a microstructure reinforcing connection structure and a composite connection structure; and cooling the amorphous alloy material and the heterogeneous material at a rate higher than a critical cooling rate of the amorphous alloy material to obtain a composite formed by joining the amorphous alloy material to the heterogeneous material by the transition connection part.

Abstract: An electric vehicle running control system is provided. The electric vehicle running control system comprises: a heating circuit (11); a load capacitor (C12); a switchgear (20) connected with the heating circuit (11) and the load capacitor (C12) respectively; and a switch control module (200) connected with the switchgear (20) for controlling the switchgear (20) to switch off when the heating circuit (11) is connected with an in-vehicle battery (5) to form a heating loop for heating the in-vehicle battery (5).

Abstract: A mounting structure for an in-vehicle power battery may be provided. The mounting structure may comprise an upper cover (3), a suspension tray (1) and a bracket (2) for supporting at least a peripheral bottom portion of the suspension tray (1). The suspension tray (1) may be hermetically connected with the upper cover, forming a sealed space for receiving the power battery. The bracket (2) may be detachably fixed to a bottom surface of a body floor in a vehicle. Further, a vehicle (100) comprising the mounting structure described above is also provided.

Abstract: A quasi-resonant device for a switching power, a quasi-resonant system for a switching power, and a method for a quasi-resonant control of a switching power are provided. The quasi-resonant device includes: a degaussing time sampling module, configured to sample a degaussing time Tds of a secondary coil of the transformer according to a feedback signal output by the switching power after the switching tube is turned off; a valley sampling module, configured to sample a resonant valley signal of the quasi-resonant module according to the feedback signal; a time producing module, configured to produce a time T with a predetermined ratio D by processing the degaussing time Tds; and a logic processing module, configured to obtain a first valley signal after the time T, and the first valley signal works as a switching signal T? to turn on the switching tube.

Abstract: A logo device for a vehicle is disclosed. The logo device comprises a first shell including a transparent region forming a logo pattern and a nontransparent region and a second shell connected with the first shell. The first shell and the second shell form a sealed cavity therebetween. A bottom plate is disposed in the sealed cavity, and a light guide plate disposed between the bottom plate and the first shell. The light guide plate includes one or more grooves disposed thereon. A circuit board is disposed between the bottom plate and the second shell, including a plurality of illuminating elements thereon. The one or more grooves on the light guide plate receives the plurality of illuminating elements. The light guide plate is configured to direct at least a part of the light generated by the illuminating element toward the transparent region of the first shell.

Abstract: A contact piece of a gold finger comprises: a first main body segment; a second main body segment; and a transition segment connected to the first main body segment and the second main body segment, respectively, in a vertical direction, in which an upper edge and a lower edge of the transition segment are inclined with respect to a lateral direction respectively. A gold finger and a connector comprising the same are also provided.

Abstract: A negative active material, a method for preparing the negative active material and a lithium ion battery comprising the same are provided. The negative active material may comprise: a core, an intermediate layer consisting of a first material and an outmost layer consisting of a second material, which is coated on a surface of the intermediate layer. The first material may be at least one selected from the group consisting of the elements that form alloys with lithium, and the second material may be at least one selected from the group consisting of transition metal oxides, transition metal nitrides and transition metal sulfides.

Abstract: A hydraulic system of an electric vehicle may comprise: an oil container; a first and a second clutch driving circuits connected in parallel; an internal pump driven by a driving system of the electric vehicle; a first check valve connected in series at an outlet side of the internal pump; an external pump driven by an external pump motor; and a second check valve connected in series at an outlet side of the external pump. The first check valve and the internal pump connected in series and the second check valve and the external pump connected in series are connected in parallel between the oil container and the first and second clutch driving circuits.

Abstract: A method for controlling a rotation rate of an electric motor includes the s following steps: determining if an absolute value of a difference between an objective rotation rate of the electric motor and an actual rotation rate of the electric motor is greater than or equal to a predetermined value, and if yes, compensating a q axis current of the electric motor to adjust the rotation rate.

Abstract: A negative active material, a method of preparing the negative active material and a lithium ion battery comprising the negative active material are provided. The negative active material may comprise: a core (1) composed of a carbon material; and a plurality of composite materials (2) attached to a surface of the core (1), each of which may comprise a first material (21) and a second material (22) coated on the first material (21), in which the first material (21) may be at least one selected from the elements that may form an alloy with lithium, and the second material (22) may be at least one selected from the group consisting of transition metal oxides, transition metal nitrides and transition metal sulfides.

Abstract: A light emitting diode (LED) structure, a LED device and methods for forming the same are provided. The LED structure comprises a LED wafer; and a phosphor layer having a flat surface and formed above a light emitting surface of the LED wafer, in which the phosphor layer is formed by centrifugal spin coating.

Abstract: A control integrated circuit for controlling a switch power supply, including: a voltage collecting module, configured to collect a feedback voltage based on an output voltage of the switch power supply; an error amplifying module, configured to compare the feedback voltage with a reference voltage and generate an error voltage; a time collecting module, configured to obtain a degaussing time signal based on the feedback voltage; and a constant voltage and current module, configured to collect a peak current feedback signal of a switch transistor, generate a control signal based on the error voltage, the degaussing time signal and the peak current feedback signal, wherein the control signal is for controlling an operating frequency and a duty ratio of the switch transistor, and control the switch transistor according to the control signal.

Abstract: An LED lamp is provided. The LED lamp includes a heat radiation member having a cavity therein; an LED module disposed in the cavity; a mounting frame disposed in the cavity and being above the LED module; and a lens mounted on the mounting frame.

Abstract: A battery spacer is provided. The battery spacer (2) comprises a first spacing plate (22) and a second spacing plate (22?) aligned with and spaced from each other in a longitudinal direction and a plurality of beams (211) parallel to and spaced from each other in a transverse direction. Each beam (211) is connected between the first and second spacing plates (22, 22) in the longitudinal direction and protrudes outwardly from a plane formed by back surfaces of the first and second spacing plates (22, 22). The beams (211) are configured to securely receive at least tabs of cell cores between neighboring beams (211). A battery protecting device and a power battery are provided as well.

Abstract: An electric vehicle and a power system and a motor controller for an electric vehicle are provided. The power system includes a power battery; a charging-discharging socket; a bidirectional DC/DC module connected with the power battery; a driving control switch connected with the power battery and the bidirectional DC/DC module; a bidirectional DC/AC module connected with the driving control switch and the power battery; a motor control switch connected with the bidirectional DC/AC module and a motor; a charging-discharging control module connected with the bidirectional DC/AC module and the charging-discharging socket; and a controller module connected with and configured to control the driving control switch, the motor control switch and the charging-discharging control module according to a current operation mode of the power system.