Abstract:
A die casting apparatus (100) for amorphous alloy comprises a stationary die (1) and a movable die (2); a sealed cabin (4) difining a sealing chamber (40); a protecting gas supplying device connected with the sealed cabin (4) for supplying the protecting gas into the sealing chamber (40); a melting device (5) for receiving and melting amorphous alloy; a feed sleeve (6) having a molten material inlet (60), with a plunger (7) positioned therein for injecting the molted amorphous alloy from the melting device (5) into a die chamber via the molten material inlet (60); a driving device (8) connected with the plunger (7) for driving the plunger (7) in the feed sleeve (6); and a gas purifying device (10) communicated with the sealed cabin (4) for purifying the gas from the sealed cabin (4). A method of die casting an amorphous alloy comprises the steps of purifying a sealing chamber (40) defined in a sealed cabin (4); supplying protecting gas into the sealing chamber (40) to maintain the protecting gas in the sealing chamber (40) to a positive pressure; feeding amorphous alloy into a melting device (5) to obtain the molten amorphous alloy; feeding the molten amorphous alloy into a die chamber (3); and opening the mated stationary and movable dies to extract at least a component. The apparatus and method use positive pressure protecting gas without the need to form high degree vacuum, thus reducing manufacturing and maintenance costs.
Abstract:
A lifting device for vehicle-mounted equipment and a vehicle having the same are provide. The lifting device comprises: a housing (1) adapted to disposed in a dashboard having an opening; a cover-flipping mechanism (6) disposed pivotably in the housing (1) and having a first end with a cover plate (7) for opening and closing the opening; and a lifting-box assembly (3), onto which the vehicle-mounted equipment is adapted to be mounted, the lifting-box assembly (3) being disposed in the housing (1), connected to a second end of the cover-flipping mechanism (6), and configured to be vertically movable between an extended position, in which the cover plate (7) opens the opening and the vehicle-mounted equipment is extended out of the dashboard through the opening, and a retracted position, in which the vehicle-mounted equipment is retracted into the dashboard through the opening and the cover plate (7) closes the opening.
Abstract:
An LED chip and a method for manufacturing the same are provided. The method comprises steps of: a) providing an epitaxial wafer including a substrate, and a buffer layer, an n-type semiconductor layer, a light-emitting layer and a p-type semiconductor layer formed on the substrate sequentially; b) forming a conductive layer on the epitaxial wafer, and etching the conductive layer to form a plurality of first grooves in the conductive layer; c) providing a mold having a plurality of protrusions corresponding to the plurality of first grooves, and forming a phosphor layer on a surface of the mold having the plurality of protrusions; d) pressing the mold on the conductive layer vertically, so as to insert the plurality of protrusions into the corresponding first grooves; and e) performing a heat treatment, and removing the mold.
Abstract:
A pixel array and a pixel unit are provided. A pixel array comprises: a plurality of pixel rows (100), each pixel row (100) comprising a plurality of pixel units (101), in which a length of a pixel unit (101) is twice of a height of the pixel unit (101), any two adjacent pixel rows (100) are staggered, and a staggered distance between the any two adjacent pixel rows (100) is equal to the height of the pixel unit (101). A pixel array comprises: a plurality of pixel columns (200), each pixel column (200) comprising a plurality of pixel units (201), in which a height of each pixel unit (201) is twice of a length of the pixel unit (201), any two adjacent pixel columns (200) are staggered, and a staggered distance between the any two adjacent pixel columns (200) is equal to the length of the pixel unit (201).
Abstract:
A wheel-speed sensor mounting device may be provided. The wheel-speed sensor mounting device may comprise a reducer case (5) having a first mounting hole (501), a mounting shell (2) mounted within the first mounting hole (501) and having a first end (21) extended into the reducer case (5) and a second end (22), a wheel-speed sensor (1) which is mounted within the mounting shell (2) and has a first end (11) extended out of the first end (21) of the mounting shell (2) to oppose to a sensing metal ring (4) mounted in the reducer case (5) and a second end (12) having a lead-out wire (101), and a sealing member (3) for sealing the second end (22) of the mounting shell (2), and the lead-out wire (101) passing through the sealing member (3) to extend out of the reducer case (5).
Abstract:
A battery module comprises a battery pack including a plurality of cells (1) and a plurality of connectors (2) for electrically connecting adjacent cells respectively; a case (3) housing the battery pack; and a sampling unit fixed to the case and including : a BIC (battery information collection) module (4) fixed onto the case; a wiring trough (6) fixed onto the case; a signal sampling terminal (7); and a sampling wire disposed within the wiring trough (6) and having a first end electrically connected to the BIC module (4) and a second end electrically connected to the signal sampling terminal (7).
Abstract:
An electricity supply system is provided. The electricity supply system comprises: a battery module (1), comprising at least two in-series modules (11), each in-series module (11) comprising at least two battery groups connected in series; a control module (2) connected with the battery module (1), comprising: an IGBT module (23), a relay module (22) comprising a plurality of relays K, in which each in-series module (11) is connected to the relay module (22), and the relay module (22) is connected to the IGBT module (23), a relay control module (21) configured for controlling an ON or OFF of each relay K so as to select one or more in-series modules (11 ) to work with the IGBT module (23); and a distribution box (3) connected with the control module (2). The electricity supply system may realize heating battery groups in batches and equilibrium of voltage between battery groups.
Abstract:
A touch detecting method, a touch detecting assembly, a touch sensitive device and a portable electronic apparatus are provided. The touch sensitive device comprises: a substrate (100); a plurality of induction units (200) not intersecting with each other, each induction unit (200) comprising a first electrode (210) and a second electrode (220); and a control chip (300) connected with the first electrodes (210) and the second electrodes (220) respectively. The control chip (300) is configured to applying a level signal to the first electrodes (210) and/or the second electrodes (220) to charge a self capacitor, to calculate a ratio between a first resistor and a second resistor when the touch is detected on the induction unit (200), and to determine a touch position according to the ratio between the first resistor and the second resistor.
Abstract:
An electric bus is provided. The electric bus comprises: a body (2); a chassis; and a battery system configured to supply electric power for the electric bus, disposed at a middle part of the body (2), under a floor (28) of the body (2) and in a rear cabin of the electric bus. The battery system includes: a first battery group (15) disposed above two front wheel caps (18, 27) of the middle part of the body (2); a second battery group (10) disposed under a floor part of a seat region of the middle part of the body (2); and a third battery group (5) disposed in the rear cabin under a floor part of a rear seat region of the body (2) and behind a rear seat.
Abstract:
A method of identifying a translation gesture and a device using the same are provided. The method may comprise: detecting one or more induction signals induced by one or more pointing objects that come into contact with a touch-sensitive surface in at least one direction; determining the number of the pointing objects that come into contact with the touch-sensitive surface; recording a touch status and a movement track of each pointing object if the number of the pointing objects is larger than a predetermined number; determining whether the pointing objects move in a same direction according to the touch status and the movement track of each pointing object; and determining that the pointing objects perform a translation gesture if the pointing objects move in the same direction.