51results about How to "Solve the lack of layout space" patented technology

The invention relates to the technical field of integrated spaceflight devices, in particular to a plate frame type satellite device suitable for a high earth orbit satellite. The plate frame type satellite device comprises an electronic cabin top plate, an electronic cabin front plate, an electronic cabin rear plate, electronic cabin side plates, an electronic cabin partition plate, a main force-bearing front plate, a main force-bearing rear plate, main force-bearing side plates, a bottom plate, a transition sleeve and a cushion plate. According to the plate frame type satellite device, a central force-bearing barrel is omitted, a plate frame is used as the main force-bearing structure, and uniform transition of whole satellite mechanical loads from a box type plate frame platform to a round carrying butt-joint ring is achieved; the plate frame type satellite device has the characteristics of being simple, flexible, high in expandability and suitable for an electric propulsion satellite platform; the satellite space utilization efficiency is effectively improved, and the effective load bearing capacity is improved.

The invention discloses an electronic gear shifter and a vehicle. The electronic gear shifter comprises a gear shift panel, a gear shift lever and a gear controller. The gear shift panel is used for displaying gear position information; the gear shift lever is capable of propelling forwards and reversely from an original position and automatically returning to the original position after propelling forwards or reversely; the gear controller is used for determining a target gear according to a stroke of the gear shift lever in forward or reverse propelling from the original position and displaying target gear information through the gear shift panel after the vehicle is put into the target gear. By the electronic gear, the problem of insufficient arrangement space of the gear shifter is effectively solved, and user experience is improved.

An image capturing optical lens assembly includes, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element. The first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof. The second lens element has negative refractive power. The third lens element has refractive power. The forth lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave or planar in a paraxial region thereof. The fifth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof.

The invention discloses a supercritical carbon dioxide boiler heating system and a heating method. The supercritical carbon dioxide boiler heating system comprises a boiler, a spiral tube coil superheater, a separator, an external heat exchanger, an external reheater, a flue, a convection superheater and a convection reheater. The spiral tube coil superheater is installed inside a hearth of the boiler and is of a spiral tube coil structure, and a spiral tube coil provides a supercritical carbon dioxide circulating channel. The external reheater is installed inside the external heat exchanger. The convection superheater and the convection reheater are installed inside the flue. The upper end of the hearth communicates with an inlet of the separator. A flue gas outlet of the separator communicates with one end of the flue. A solid particle outlet of the separator communicates with an inlet of the external heat exchanger, and an outlet of the external heat exchanger communicates with the hearth of the boiler. The spiral tube coil superheater and the convection superheater are arranged in parallel. The external reheater and the convection reheater are arranged in parallel.

The invention discloses a wall-arranged direct-flow pulverized coal combustion device with side secondary air, relates to a direct-flow pulverized coal combustion device and aims to solve the problem that the four corners of a direct-flow combustor with side secondary air are difficult to arrange tangentially and the problems of flag formation and high temperature corrosion caused by the deflection of pulverized coal airflow due to different air replenishing conditions on both sides of pulverized coal airflow. Primary and secondary air nozzles arranged on four water-cooled walls of a hearth are combined with a side secondary air nozzle to form a combustor; an included angle between the central line of the primary air nozzle and the water-cooled wall on which the primary air nozzle is positioned in a fire side facing direction is alpha 2; an included angle between the central line of the secondary air nozzle and the water-cooled wall on which the secondary air nozzle is positioned in the fire side facing direction is alpha 1; an included angle between the central line of the side secondary air nozzle and the primary air nozzle is alpha 3; and over fire air nozzles are arranged on the water-cooled walls or corners of the hearth and arranged above the combustor. The mixing of pulverized coal and the air is reasonably organized to realize air-covered pulverized coal combustion, prevent the pulverized coal airflow from being deflected and contribute to stable combustion, low load and low NOx emission of a boiler. The device is used on a coal-fired boiler.

The invention provides an air conditioning system for a vehicle and the vehicle. The vehicle includes a vehicle body, and the air conditioning system is arranged on the vehicle body. The air conditioning system includes a second heat exchanger assembly and a first heat exchanger assembly, wherein in the longitudinal direction of the vehicle body, the second heat exchanger assembly and the first heat exchanger assembly are arranged in a front-rear mode. By application of the technical scheme, the first heat exchanger assembly and the second heat exchanger assembly can be arranged more flexibly.

The invention discloses a forecabin module structure of an electric four-wheel drive automobile chassis, which comprises a first assistant frame providing installation supporting, a forecabin combined support which can be installed on the frame and provide the installation supporting, a first motor which provides driving force to automobile front wheels and is firmly connected on the first assistant frame by a plurality of suspension structures, as well as a direct current transformer, a charging machine, a whole vehicle controller and a first motor controller which are respectively installed on the forecabin combined support, wherein the forecabin combined support comprises a plurality of parallel horizontal tubes and a plurality of parallel longitudinal tubes, the multiple longitudinal tubes are arranged on the horizontal tubes in a staggered manner, a first metal plate is disposed on the horizontal tubes, and a second metal plate is disposed on the longitudinal tubes. By implementing the forecabin module structure of the electric four-wheel drive automobile chassis provided by the invention, the effective installation supporting and sufficient space can be provided, heat dissipation efficiency can be increased, electromagnetic interference can be avoided, and arrangement space and protection performance of power batteries can be increased.

The present invention discloses a test platform for high-frequency cable, comprising conductive contacts and clamps for pressing a conductor of the cable on the conductive contact, and comprising a splitter seat, which comprises a top surface and a plurality of varied sides, the conductive contacts are respectively arranged on the sides, the clamps are arranged at a peripheral of the splitter seat and is opposite to the conductive contact, the splitter seat is further provided with a splitter channel, and the splitter channel slantingly connects the top surface to the sides. The present invention adopts a splitter seat with a polyhedral structure, which may shorten the stripped length, and prevent for vertically bending the core, thereby reducing the damage to the cable structure to the greatest extent, and greatly increasing the test frequency.

The invention discloses a control method of an extended-range driving system. Torque required by the controller is calculated in advance, and output parameters of the whole vehicle controller are determined. The whole vehicle controller determines the most suitable working mode of the vehicle according to real-time vehicle condition information and vehicle attributes collected by the vehicle condition sensor, and outputs a driving mode instruction and a driving torque instruction to the driving device and the power generation device, so that the working condition of the extended-range drivingsystem is optimal; the working modes comprise a pure electric driving working mode, a driving charging working mode and a parking charging working mode. The control methodconforms to the latest definition of the extended-range electric vehicle, the driving device and the power generation device are arranged in an integrated mode or a separated mode, the problem that the arrangement space of the whole vehicle is insufficient is effectively solved, and the cost of the whole vehicle is reduced. A speed increasing mechanism is additionally arranged between the engine and the generator, and the charging efficiency and endurance mileage of the whole vehicle are improved through the controller.

The invention discloses a production method of a 3D curved lens. The production method comprises the following steps: a step of injection molding: a melt is injected in from one side of a die cavity, and when 10%-40% of the volume of the die cavity is filled with the melt, auxiliary gas is injected into the die cavity; a step of compression: when 45%-90% of the volume of the die cavity is filled with the melt, the auxiliary gas is exhausted, compression of the inside of the die cavity is started, and the 3D curved lens is obtained. A finally obtained 3D curved lens product can replace glass to serve as parts such as a screen, a back cover and the like of a 3C (computer, communication and consumer electronics) product, and can be applied to the fields of high-end smarkphones and tablet personal computers, wearable equipment, dash boards, industrial computers and the like.

A two-section thin shell type high-stability integrated structure comprises shell section sheets, strengthening ribs, strengthening cover plates, upper strengthening corner boxes, lower strengtheningcorner boxes, a honeycomb bottom plate, a star sensor support, a camera connecting piece and an upper end face. The shell section sheets are symmetrically arranged relative to the symmetry axis of thehoneycomb bottom plate. The upper portions of the shell section sheets are connected with the upper end face, and the lower portions of the shell section sheets are connected with the honeycomb bottom plate. The strengthening ribs are arranged on the two sides of the shell section sheets. The upper strengthening corner boxes are distributed at the included angle position between the upper end face and the surfaces of the shell section sheets in the circumferential direction, and the lower strengthening corner boxes are distributed at the included angle position between the surfaces of the shell section sheets and the honeycomb bottom plate in the circumferential direction. The star sensor support and the camera connecting piece are arranged on the upper end face, and the strengthening cover plates are arranged in the included angles between the side faces of the strengthening ribs and the upper end face. Through the two-section thin shell type structure, sufficient layout space is provided for an optical camera, meanwhile, an integrated installing plane is provided for the optical camera and the star sensor support, and the requirements for rigidity, strength and micron-order heatstability design are met.

The invention discloses a fixing support shared by an automobile transmission shaft and a silencer. The fixing support is of an integrated structure and comprises a first connecting plate, a cylindrical supporting sleeve and a second connecting plate, wherein the first connecting plate is connected with an engine cylinder body, the cylindrical supporting sleeve is used for supporting the automobile transmission shaft, and the second connecting plate is connected with the silencer. The first connecting plate and the second connecting plate are connected to the outer wall of the cylindrical supporting sleeve. According to the fixing support, the arrangement space for an engine room can be saved, fixing strength between the automobile transmission shaft and the silencer can be improved, and the assembly technology can be simplified.

The invention relates to a novel urea box mounting device. The novel urea box mounting device comprises an urea box and a fixing bracket; and the urea box is fixed on a wing plate of a vehicle throughthe fixing bracket. The urea box is mounted in the wing plate, so that the problem of insufficient arrangement space of the floor bottom is effectively solved; and meanwhile, as the wing plate is nearer a cabin, the pipeline is shortened, and the cost is reduced.