40results about How to "Guaranteed cooling area" patented technology

The invention discloses an engine splash guard assembly used for a vehicle. The engine splash guard assembly used for the vehicle comprises a splash guard and a first radiating piece, wherein the shape of the splash guard is adaptive to the shape of the bottom of an engine; a through hole is formed in the splash guard and is formed in a position corresponding to an oil pan of the engine; the first radiating piece is arranged on the splash guard and covers the through hole; a plurality of first air vents are formed in the first radiating piece; a first air guide vane is arranged in each first air vent. According to the engine splash guard assembly used for the vehicle, the first air guide vanes of the first radiating piece are used for guiding air into a chassis by the corresponding first air vents, the heat of the chassis of the vehicle is dissipated, and the engine splash guard assembly has the advantages that the heat dispersion is good, muddy water is effectively prevented from splashing, the service life of a chassis piece is prolonged, the structure is simple, and the like.

The invention discloses a wire distribution cabinet with the temperature intelligently controlled. The wire distribution cabinet comprises a cabinet body, a heat dissipating assembly, ONU equipment, clamping equipment, household appliances and a household appliance storage rack. The cabinet body comprises a main cabinet body, a first door plate and a second door plate. An opening is formed in one side of the main cabinet body, the first door plate and the second door plate are arranged on the side, with the opening, of the main cabinet body, and a first wire bundle buckling fixing plate, a second wire bundle buckling fixing plate, a winding assembly and a draught fan control unit are arranged in the main cabinet body. The winding assembly comprises a winding base plate, base plate fixing bolts, an ONU input winder, an input winder fixing bolt, an ONU output winder and an output winder fixing bolt. The winding base plate comprises a base plate body, a first installation vertical rod and a second installation vertical rod, and is fixed to the inner wall of the cabinet body through the base plate fixing bolts, wherein the first installation vertical rod and the second installation vertical rod are arranged on the left side and the right side of the base plate body. According to the wire distribution cabinet, the space of the cabinet body can be fully utilized, the communication equipment installation demand for connection of optical fibers can be met, and intelligent cooling can be achieved.

The present invention discloses an electromobile control device. The invention aims to provide an electromobile controller which is good in sealing property, convenient in maintenance, simple in process, and improves the production efficiency. The electromobile controller with a sawtooth shaped muck bar comprises a housing with an integral hollow cavity structure, a circuit board and an end cover. An inner cavity of the housing is provided with the muck bar which supports a power tube on the circuit board. The side face of the muck bar is provided with a groove. The upper surface and the lower surface of the groove are respectively provided with sawtooth shaped threads. The muck bar is connected to the housing through a fastener with a thread structure. The controller has the advantages of good sealing and waterproof performance, simple installation, convenient maintenance, good heat elimination, and good anti-vibration ability, and is a substitute product for the prior electromobile controller.

The invention discloses a rib-based ion wind cooling device. The rib-based ion wind cooling device comprises a cooling heat sink and ion wind electrodes, wherein ribs are arranged on the metal heat sink, an external enveloping surface of the metal heat sink is a rotation body, a side surface of the metal heat sink is encircled by a plurality of layers of ion wind electrodes at equal distance, surface electric field effect is formed among the ribs of the heat sink by applying a high voltage between the ion wind electrodes and the metal heat sink, so that ion wind cooling is achieved. The distance among the ribs on the surfaces of the metal heat sink is relatively small, an electric field effect similar to a smooth metal surface is formed, the cooling area is expanded, meanwhile, the kineticenergy loss of ionic wind directly blowing a planar electrode is prevented, and the ion wind forced cooling power and efficiency are improved. Comapred with a traditional ion wind cooling device, therib-based ion wind cooling device has the advantages that ion wind directly blows the ribs, the cooling area is expanded, and the heat exchange efficiency is high by cooperation of hot air flowing and ion flow flowing direction.

The invention relates to a compact type PWM (pulse-width modulation) optical fiber converter, which comprises a shell, a circuit board and a power supply module, wherein the circuit board and the power supply module are installed inside the shell; and the circuit board is provided with a power supply converting circuit, a PWM level converting circuit, a PWM converting circuit and a PWM feedback converting circuit, wherein the input end of the power supply converting circuit is connected with the power supply module. The compact type optical fiber converter adopts a modulation design; a PWM level signal is converted into an optical signal through the PWM level converting circuit and the PWM converting circuit and the optical signal is converted into a PWM level signal through the PWM feedback converting circuit, so the mutual conversion between the PWM level signal and the optical signal is realized; furthermore, two upper and lower IGBTs (insulated gate bipolar translators) of one same bridge arm adopt communication interlocking connection, so that the condition that the one same bridge arm is communicated at the same time is prevented, the GBT miscommunication caused by factors such as interference during the transmission process of the PWM signal is changed, and the fault rate of the IGBT is reduced; and meanwhile, the power supply converting circuit can provide two kinds of power supply output synchronously.

The invention discloses a triple-play optical fiber distribution box structure, which comprises a box body, a heat dissipation module, ONU equipment, clamping equipment for clamping the ONU equipment, household equipment and a household equipment storage frame, wherein the box body comprises a box body main body, a first door panel and a second door panel; one side of the box body main body is provided with an opening, and the first door panel and the second door panel are arranged on the side having the opening of the box body main body; a first wire harness buckle fixing plate and a second wire harness buckle fixing plate are arranged inside the box body main body; the heat dissipation module comprises an air splitting box body, and an air intake box, a draught fan storage room, an air guiding slope and an air inducing tube which are connected in sequence from bottom to top; one side, close to the ONU equipment, of the air inducing tube is provided with an ONU cooling air guiding tube communicated with the air inducing tube; and a plurality of ONU air blowing guiding tubes are arranged on the ONU cooling air guiding tube. The triple-play optical fiber distribution box structure can make full use of the box body space, has good heat dissipation effect, and can meet the installation requirements of communication equipment required for triple-play optical fiber access.

The invention provides a semiconductor device capable of ensuring a heat dissipation area on a surface of a mounted wiring substrate, and a mounting structure of the semiconductor device. The semiconductor device (A1) is provided with a semiconductor element (3), a first pin (1), a plurality of second pins (2), and a sealing resin (5). The first pin (1) has: a mounting section (110) on which the semiconductor element (3) is mounted, the mounting part (110) having a rectangular shape when viewed in the thickness direction; four connecting parts (130) extending from four corners of the mountingpart (110); and four first terminal sections (120) connected to the tips of the connection sections (130), respectively. A portion of each of the first terminal portions (120) is exposed from the sealing resin (5). When the second pins (2) are observed along the thickness direction, a plurality of second pins (2) are arranged between the adjacent first terminal parts (120) and are respectively configured, and each second pin (2) is provided with a second terminal part (220) partially exposed out of the sealing resin (5) and a connecting part (210) extending from the second terminal part (220)to the mounting part (110). The connecting part width dimension (W1) of the connecting part (130) is greater than the connecting part width dimension (W2) of the connecting part (210) of the second pin (2) adjacent to the connecting part (130).