摘要:
A piston cylinder and a forklift having the same are provided. The piston cylinder includes: a cylinder body (1); a piston rod assembly (2) movable with respect to the cylinder body (1) and including: a piston rod (20); a first piston (21) disposed within and slidable with respect to the cylinder body (1), fitted over the piston rod (20) movably, and having a buffer groove (4) formed in an end surface thereof; and a second piston (22) located within the cylinder body (1) and fixed to the piston rod (20), and adapted to enter into the buffer groove (4) to be fitted therein and come out therefrom, and having a damping structure (221) to buffer the second piston (22) during entering of the second piston (22) into the buffer groove (4); and a stop member (3) disposed in the cylinder body (1) and configured to stop the first piston (21).
摘要:
A motor control system of an electric vehicle, a controlling method for the motor control system and an electric vehicle are provided. The motor control system includes: an IGBT module, connected with a motor of the electric vehicle; a detection module, configured to detect a motor speed; a drive module, configured to drive IGBTs in the IGBT module to turn on or off so as to control the motor to work or stop working; a first control module; a second control module communicated with the first control module; and a channel selection module, configured to select a channel of the second control module when the first control module has a fault. When the second control module is selected, it sends a second control signal to the drive module according to the motor speed at a predetermined time before the first control module has the fault, so as to control the motor to stop working.
摘要:
An LED support assembly and an LED module are provided. The LED support assembly includes: a metal heat sink(10), a first ceramic substrate(20)and a second ceramic substrate(30), the metal heat sink(10)defines an upper surface(11);the first ceramic substrate(20)is adapted to support a LED chip(40)and disposed on the upper surface(11)of the metal heat sink;the second ceramic substrate(30)is adapted to support electrodes(51,52)of the LED chip(40)and surrounds the first ceramic substrate(20).
摘要:
A method for selective metallization of a surface of a polymer article is provided. The polymer article contains a base polymer and at least one metal compound dispersed in the base polymer. The method includes gasifying at least a part of a surface of the polymer article by irradiating the surface with an energy source,and forming at least one metal layer on the surface of the polymer article by chemical plating. The metal compound contains a tin oxide doped with at least one doping element selected from a group including: V,Sb,In,and Mo.
摘要:
A solar cell support assembly includes: a first supporting (1), a second supporting members (7), a beam (2) pivotably connected to the first supporting member (1) and configured to mount the solar cell thereon, a first swing bar (4) connected to the beam (2) and configured to rotate the beam (2); a second swing bar (6) pivotably connected to the second supporting member (7); a first pushrod (51) pivotably connected to the first swing bar (4) and the second swing bar (6); a second pushrod (52) pivotably connected to the first swing bar (4) and the second swing bar (6); and a driving device (9) pivotably connected to the second swing bar (6) and configured to drive the second swing bar (6) to rotate relative to the second supporting member (7).
摘要:
An emergency starting device used for a vehicle, a vehicle and a method for starting a vehicle are provided. The emergency starting device used for the vehicle includes an emergency battery (101); a connector (102), configured to connect with a storage battery (104) of a vehicle; and a control module (103), connected with the emergency battery (101) and the connector (102) respectively, and configured to identify a power status of the storage battery (104) when obtaining a connecting signal indicating that the connector (102) is connected with the storage battery (104), and to control the emergency battery (101) according to the power status, thus the vehicle may be started safely and effectively.
摘要:
An integrated hybrid power assembly and a vehicle are provided. The integrated hybrid power assembly includes a transmission(100) comprising a front housing(120)and a rear housing (110); a drive motor(200) comprising a motor housing(210) integral to the rear housing(110) and a motor cover(220) mounted to the motor housing(210); a speed reducer(300) comprising a reducer housing(310) which is connected to the rear housing(110) and integral to the motor cover (220), and a reducer cover(320) mounted to the reducer housing(310); and a starting motor(400) mounted to the transmission(100).
摘要:
The present disclosure discloses a composite material. The composite material contains an epoxy resin, a nylon, a curing agent and a mold release agent. The mold release agent contains polytetrafluoroethylene. A substrate including the composite material, a method for preparing the substrate, a shell of an electronic device including the substrate and a method for preparing the shell are also provided.
摘要:
An abrasive is provided. The abrasive contains a silicon carbide, an elastomer, a coupling agent and an auxiliary agent. The silicon carbide includes an end embedded in the elastomer and another end exposed out of the elastomer. A method for preparing an abrasive is also provided.
摘要:
A driving system of an electric vehicle and a method for controlling the same are provided. The driving system comprises: a power battery (100); a plurality of first in-wheel motors (200) connected with the power battery (100); a plurality of first motor controllers (300) controlling the plurality of first in-wheel motors (200) respectively; a plurality of second in-wheel motors (400) connected with the power battery (100); a plurality of second motor controllers (500) controlling the plurality of second in-wheel motors (400) respectively; and a vehicle management system controller (600) connected with the plurality of first motor controllers (300) and the plurality of second motor controllers (500) respectively, and configured to control the plurality of first in-wheel motors (200) and the plurality of second in-wheel motors (400) to start or stop during a running of the electric vehicle.