83results about How to "Reduce life expectancy" patented technology

A system and method for providing route information to a driver of a vehicle given a predetermined destination having more than one route available to reach the predetermined destination includes receiving a driver input indicating a vehicle operating preference. Operating characteristics for the vehicle, such as a predicted time to reach the predetermined destination, are determined for at least some of the routes. One of the routes is selected based at least in part on the determined operating characteristics and the vehicle operating preference. An informational output is provided to the driver indicating the selected route.

An LED downlight lighting module is provided including an LED module having one or more single LEDs on a first printed circuit board, a heat sink, and a second printed circuit board. In an embodiment, the first printed circuit board is in good thermal contact with the heat sink such that heat from the LEDs is dissipated through the heat sink. In an embodiment, the second printed circuit board is adapted to accommodate a power and control circuitry for the LEDs, and is thermally insulated from the heat sink and from the first printed circuit board, and thus from the LED module. According to an aspect, the LEDs serve as the principal heat generating component on the printed circuit board, thus helping to increase the light output from the LEDs and/or increase the lifespan of the LED downlight lighting module.

A storage device that includes: a flash memory device being a main storage medium; a cache memory for use for the flash memory device; and a control circuit. In the storage device, based on a write command and address information provided from outside, the control circuit selects either the flash memory device or the cache memory as a writing destination of input data.

A multi-voltage power supply system, such as a 14V/42V dual-voltage system for vehicular applications, includes a battery arrangement and an intelligent switching regulator for providing at least a first output at a first potential and a second output at a second potential higher than the first potential. The battery arrangement includes a plurality of segments each providing an output substantially equal to the first potential. The switching regulator selectively conFIG. s each of the segments as a first part having a potential difference determined with respect to the first potential and a reference potential, e.g., ground, such that the power supply system provides the first and second outputs while minimizing degradation of the segments.

The invention discloses a durable power distribution automatic cabinet, which comprises a cabinet body, wherein the bottom of the cabinet body is provided with a supporting plate; the middle of the upper surface of the supporting plate is provided with a placement groove adaptive to the cabinet body; the bottom end of the cabinet body is arranged in the placement groove; the bottom of the supporting plate is fixedly provided with supporting rods which are evenly distributed; the bottom of the supporting rod is fixedly provided with an embedding plate; the bottom of the embedding plate is fixedly provided with spacing columns which are in annular array distribution; and a division plate is fixedly installed in the cabinet body and independently segments the inner cavity of the cabinet body into a first wiring chamber and a second wiring chamber. One side of the cabinet body is provided with a regulation box, so that temperature in the cabinet body can be lowered when the durable power distribution automatic cabinet is used, heat generated in the working process of an electric appliance component in the cabinet body is emitted, and a situation that the operation of equipment is affected since the heat is accumulated in the cabinet body is avoided so as to be favorable for prolonging the service life of the equipment.

In a backlight assembly and a liquid crystal display device using the backlight assembly, a lamp assembly is mounted on a receiving container and includes lamps. The lamps are connected in parallel and are turned on by the power voltage supplied from a lamp driving module. Sensors are disposed in the receiving container to face the lamps, and detect operation state of the lamps to output sensing signals. A voltage cut-off module is disposed outside of the receiving container, provides the lamp driving module with a voltage cut-off signal when at least one of the sensing signals has an amplitude smaller than a reference signal. The deterioration of the lamps may be prevented, and the life expectancy of lamps may be increased.

The invention discloses a distribution network automatic ring main unit with high heat dissipation. The distribution network automatic ring main unit comprises a machine cabinet; a base is fixedly connected with the bottom surface of the machine cabinet; a storage battery is fixedly connected with the middle position of the top surface of the machine cabinet; a solar panel is arranged above the storage battery; the bottom surface of the solar panel is fixedly connected above the machine cabinet through a supporting block; storage boxes are fixedly connected above the left and right side surfaces of the machine cabinet respectively; a motor is arranged on the bottom surface of the inner cavity of each storage box; the motor is fixedly connected with the bottom surface of each storage box; the output shaft of the motor is connected with a rotary shaft through a coupler; one end, far from the motor, of the rotary shaft is movably connected with the inner wall of each storage box; wiring wheels are fixedly inserted and connected in the rotary shaft; and ventilation boxes are arranged on the left and right side surfaces of the machine cabinet. By virtue of the setting of the ventilation boxes, the interior of the machine cabinet can be ventilated to realize a heat dissipation effect at any time; by virtue of heat dissipation fans, heat dissipation is accelerated; and by virtue of a telescopic apparatus, the machine cabinet is effectively protected from rain water, so that the problem of poor heat dissipation of the automatic ring main unit is solved.

The invention discloses a distribution automation cabinet with a function of heat dissipation regulation. The cabinet comprises a cabinet body, a pushing door is hinged to the front side of the cabinet body through hinges, an observation window is fixed in the front of the pushing door, a handle is fixed below the observation window in the front of the pushing door, a rubber sleeve sleeves the surface of the handle, and a first fixed plate and a second fixed plate are respectively, from top to bottom, fixed on the left and right sides of the inner wall of the cabinet body. In this invention, motors, a rotation shaft, fan blades, a first bevel gear, second bevel gears, rotating rods and supporting plates are provided; the start of the motors is controlled by a switch, if the switch is on, the motors and the rotation shaft rotate, and the fan blades and the first bevel gear rotate simultaneously, and the two engaged second bevel gears rotate, wherein the two second bevel gears are driven to rotate in opposite directions; and then a box cover is lifted up, so the wind generated by the rotation of the fan blades is discharged out of the cabinet body, and the heat of electronic components in the cabinet can be dissipated.

The invention discloses a distribution network automation cabinet with highly-efficient heat radiation, comprising a base. The lower surface of the base is fixedly connected to supporting legs, and the upper surface of the base is fixedly connected to a cabinet body. The internal part of the cabinet body is fixedly provided with an inner core. One side face of the cabinet body is fixedly connectedto a heat radiation casing. The surface of the heat radiation casing is fixedly connected to an air pump. The inner wall of the heat radiation casing is fixedly connected to a water casing. One end of the air pump is fixedly connected to a first through pipe, and one end of the first through pipe traverses through the surface of the heat radiation casing and is communicated with the inner cavityof the water casing. The invention is advantageous in that with the arrangement of the water casing, air filtering is conducted, and dust in the air can be absorbed by water molecules, and thereby dust can be absorbed by water in the process of air flowing, and the problem that a lot of dust is accumulated in the device can be prevented; as the specific heat capacity of water is quite large, heatabsorption of air can be conducted by water, and the air temperature can be reduced, and heat radiation effect can be greatly enhanced.

The invention discloses a circuit fault isolation control cabinet. The circuit fault isolation control cabinet comprises a cabinet body and a burial seat, wherein two sides of the top portion of an inner chamber of the cabinet body are respectively connected with a first fixing board, the top portion of the first fixing board is connected with a supporting rod, the top portion of the supporting rod is connected with a baffle board, the bottom portion of the first fixing board is provided with a first mounting bolt, the top portion and the bottom portion of the front surface of the mounting board are respectively connected with a nut, the back surface of the mounting board is provided with first slots with equal distances, the top portion and the bottom portion of the back surface of a clamping board are respectively provided with a threaded rod, the bottom portion of a second fixing board is connected with the supporting rod, the top portion of the second fixing board is provided with a second mounting bolt, one side of the bottom portion of a baffle door is connected with a mounting block, the bottom portion of the supporting rod is sleeved in a limit sleeve, and the bottom portion of the limit sleeve is provided with a fastening bolt. The circuit fault isolation control cabinet is advantaged in that the antitheft effect is improved, and a problem of influence of the poor antitheft effect on practicality of the control cabinet is solved.

The invention provides an engine fuel system and a control method. The system comprises an engine electronic control unit, a manipulating fuel pump, an electric fuel delivery pump, a fuel delivery pump and a diesel oil filter, wherein the engine electronic control unit is used for controlling the electric fuel delivery pump to work in a pre-starting stage of an engine and controlling the electric fuel delivery pump to stop working after the engine is started; one end of the electric fuel delivery pump is connected to an oil inlet of the manipulating fuel pump, and the other end of the electric fuel delivery pump is connected to an oil outlet of the fuel delivery pump; the diesel oil filter is connected with the oil outlet of the fuel delivery pump by a low-pressure oil inlet pipe; an end opening of the top of the diesel oil filter is provided with an automatic exhaust screw; the electric fuel delivery pump is used for exhausting air in a low-pressure oil way by the automatic exhaust screw in the pre-starting stage of the engine. By adopting the engine fuel system, when air exists in the low-pressure oil way of the engine in a communication system, the engine still can start automatically and successfully, and an electric fuel delivery pump with very high reliability is not needed.

A control device for a switching voltage regulator having a high-side switch and a low-side switch to supply a switching voltage to a load includes a comparator configured to compare the switching voltage with a reference voltage to provide an enable signal to the low-side switch, and a spike detection circuit configured to receive the switching voltage and output an offset control signal to execute a time shift to the enable signal.

A measuring device for determining an operating state variable of a rotating structural element, in particular a bearing, which has a plurality of components. Specifically, the measuring device has a permanent magnet, an encoder ring for manipulating the magnetic field which is generated by the permanent magnet, a magnetic field sensor, a radio unit for transmitting measurement signals from the magnetic field sensor to an evaluation unit, and an energy converter unit for converting rotation energy into electrical energy. The encoder ring is produced from a ferromagnetic and non-premagnetized material.

The invention relates to a system and a method for preparing ethylene through acetylene hydrogenation. The system comprises a mixed pressure increasing unit, a catalyst protection unit, a hydrogenation reaction unit, a cryogenic separation unit, a vacuum filtration unit, a revolving bed generation unit and a vacuum low-pressure distillation unit. The method comprises steps as follows: acetylene and hydrogen are mixed under increased pressure; feed gases obtained after mixing are sequentially introduced into the catalyst protection unit and the hydrogenation reaction unit for a reaction; gaseous products obtained after the reaction are separated, a product ethylene, byproducts and surplus hydrogen are obtained, and the surplus hydrogen is sent to the reaction unit; slurry in a slurry reactor is led out and separated by the vacuum filtration unit, and a solid-phase material and a liquid-phase material are obtained; the solid-phase material is treated by the revolving bed generation unit, and a regenerated catalyst is obtained; the liquid-phase material is treated by the vacuum low-pressure distillation unit, and a solvent is recovered. The system and the method have the advantages as follows: operating flexibility is high, energy consumption of a compressor is low, the service life of the catalyst is long and the adaptive capacity is high.

A production method of a cement-based foamed concrete insulation block is characterized by comprising the following steps: preparing cordierite powder and spinel type ferrite; preparing infrared radiating ceramic powder; performing surface treatment on hollow glass microbeads; pre-foaming polystyrene masterbatch; and with fly ash and cement as main raw materials and the infrared radiating ceramicpowder, the hollow glass microbeads and the foamed polystyrene masterbatch as auxiliary materials, preparing mortar; then filling into a mould, vibrating, autoclaving and drying to obtain the cement-based foamed concrete insulation block. The cement-based foamed concrete insulation block contains a large number of uniformly distributed micropores, shows high physical and mechanical properties, hasthe characteristics of light weight, good insulation, high specific strength and the like, and has a very high infrared radiation characteristic and very high adiabaticity.

The invention concerns a method of reconditioning a slip ring transmitter of the gold wire type which has a slip ring, in particular a gold ring, for use with a gold wire board as the circuit board, including the steps: removing a gold wire board from the slip ring transmitter, and fitting a multi-brush board as a replacement for the gold wire board.

The invention provides a manufacturing method of a semiconductor device. The method comprises the following steps: performing ion irradiation treatment on a back of a silicon substrate to promote an activation rate of anodic impurities of the semiconductor device, improve the breakover voltage drop of the semiconductor device and lower the breakover loss; and forming an extra compound center in the silicon substrate after annealing the silicon substrate through the ion irradiation treatment, thereby reducing the minority carrier lifetime of the semiconductor device and achieving an aim of lowering the switch loss of the semiconductor device. Furthermore, a metal layer is directly deposited on the back of the silicon substrate after injecting the impurity ions into the back of the silicon substrate; and then the annealing process is performed on the silicon substrate, namely, the impurity activation of the semiconductor device and the metal alloy process are integrated, the aims of impurity activation and metal alloying are realized at the same time through the annealing process after the deposition of the metal layer without additionally performing the annealing process after the impurity ion injection; the process step is reduced, and the treatment cost is saved.