Abstract:
A film and a method for preparing the film are provided. A substrate is provided, and a film is formed on at least a part of a surface of the substrate by magnetron sputtering a target under a protective gas and a reactive gas. The target includes polytetrafluoroethylene and magnesium fluoride, and the reactive gas includes at least one selected from a group consisting of CF 4 and SiF 4 .
Abstract:
A protective device and a protective system for a battery assembly are provided. The battery assembly comprises N cells, and the protective device comprises: a constant current source module (100), comprising M (1
Abstract:
A pixel cell, a method for manufacturing the same and an image sensor comprising the same are provided. The pixel cell comprises: a substrate (101); a photodiode (103), a pass transistor (107) and a floating diffusion structure (104) respectively formed on the substrate (101), in which the pass transistor (107) is formed between the photodiode (103) and the floating diffusion structure (104); and a PINNED structure (105), formed on the substrate (101) and connected with the floating diffusion structure (104), in which a reset voltage of the floating diffusion structure (104) is higher than a depletion voltage of the PINNED structure (105).
Abstract:
A dock with a sound box, comprises: an upper shell (1) having a loudspeaker hole (41) and an inverter tube hole (53) formed thereon; a lower shell (2) engaged with the upper shell to define a sound cavity (9); a loudspeaker (4) disposed in the sound cavity and coupled to the loudspeaker hole; an inverter tube (5) configured to boost a sound; and a closed box (6) defining an interior cavity therein. The inverter tube comprises a first tube segment (51) and a second tube segment (52), wherein, the second tube segment is bent and extended to the upper shell to couple with the inverter tube hole. The interior cavity is divided into a first chamber (61) and a second chamber (62) by a baffle plate (7). The first chamber and the second chamber are communicated with each other via a communication pipe (8) penetrating through the baffle plate.
Abstract:
A paste for an NFC magnetic sheet is provided, which comprises: a magnetic powder; an organic carrier; and a nanoscale alumina powder; wherein a weight ratio of the nanoscale alumina powder to the magnetic powder ranges from about 0.0005 to about 0.005. A method of preparing the paste for the NFC magnetic sheet and an NFC magnetic sheet are also provided.
Abstract:
An assembly for power connection and signal acquisition is provided. The assembly comprises: a power connection member comprising a holder (2), a plurality of connection pieces (3) disposed in the holder (2) and a protection shell (4) mounted on the holder (2) to protect the plurality of connection pieces (3); and a patch panel (1). The patch panel (1) comprises: a trough (15) defining a plurality of cable slots (151); a sampling cable (10) received in each of the cable slots (151), wherein a sampling terminal (14) is disposed at an end of the sampling cable (10) for electrically connecting the sampling cable (10) with each of the connection pieces (3); a protection cover (18) mounted on the trough (15) to protect the sampling cable (10) received in the cable slot (151).
Abstract:
A PTC electric heating assembly, an electric heating device and an electric vehicle are provided. The PTC electric heating assembly (2) comprises a first electrode assembly including a first fixed electrode; a second electrode assembly including a second fixed electrode; a PTC heating module (20) disposed between the first electrode assembly and the second electrode assembly; and an insulating layer (23) disposed on an outer surface of each of the first electrode assembly and the second electrode assembly; wherein an inner surface of at least one of the first fixed electrode and the second fixed electrode facing to the PTC heating module (20) is a vertical surface, an outer surface of the at least one of the first fixed electrode and the second fixed electrode facing to the insulating layer (23) is an inclined surface.
Abstract:
A transmitting device, a wireless charging system comprising the transmitting device and a method for controlling a charging process of the wireless charging system are provided. The transmitting device comprises: a transmitting coil (6) configured to transmit an electric energy of the transmitting device; an oscillation and FM module (5) configured to generate an LC resonance between the transmitting coil and the oscillation and FM module and to adjust a capacitance of the LC resonance so as to change a resonant frequency of the LC resonance; a first detecting module (2) configured to detect a voltage and a current of the transmitting device; a control module (3) configured to output a control signal to control the resonant frequency of the LC resonance according to a predetermined FM mode; a first communicating module (4) configured to communicate with the receiving device wirelessly; and a power module (1) configured to supply a drive power to the transmitting device. The transmitting device, the wireless charging system and the method for controlling a charging process of the wireless charging system can improve the charging efficiency.
Abstract:
A power system of an electric vehicle, an electric vehicle comprising the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: a battery group; a battery heater connected with the battery group, in which the battery heater comprises an output power adjusting module configure to adjust a heating power of the battery heater; a battery management device connected with the battery group and the battery heater respectively, and configured to control the battery heater to heat the battery group in different heating modes, to control the output power adjusting module to adjust the heating power of the battery heater according to a temperature of the battery group and to control the battery heater to heat the battery group intermittently; a motor controller connected with a motor and an electric distribution box respectively; and an isolation inductor.
Abstract:
A power system of an electric vehicle, an electric vehicle comprising the same and a method for heating a battery group of the electric vehicle are provided. The power system comprises: a battery group (101); a battery heater (102) for heating the battery group; a battery management device (103), configured to control the battery heater to heat the battery group in a running heating mode or in a parking heating mode according to a temperature and a residual electric quantity of the battery group when the temperature of the battery group is lower than a first heating threshold and the residual electric quantity of the battery group is larger than a parking electric quantity threshold, and to adjust a heating power of the battery heater according to a real-time temperature of the battery group; an electric distribution box (104); a motor (105); a motor controller (106); an isolation inductor (L2).