368results about How to "Large design space" patented technology

The invention provides an infrared detector of a microbridge structure and a method for manufacturing the infrared detector of the microbridge structure. The detector comprises a reading circuit substrate, a microbridge leg, a heat sensitive layer, an infrared reflection layer and an infrared absorption layer. The infrared absorption layer is supported by and arranged above the heat sensitive layer, a resonant cavity for incoming infrared light is formed by the infrared absorption layer and the infrared reflection layer, and the microbridge leg is arranged below the infrared reflection layer and electrically connected with the reading circuit substrate. Through the structure, the infrared absorptivity of the device can be improved while thermal conductance of the device can be reduced, the filling rate of the device is improved, the defects of the resonant cavity are overcome, and thus the thermal isolation effect and the responsivity of the device are improved and the performance of the device is optimized.

The invention discloses a reinforcing ribs contained sandwich structure composite material and its making method. The composite material is composed of an internal core material, reinforcing ribs, and a one-time-formed fiber fabric reinforced resin composite material layer, wherein the internal core material is a lightweight buoyancy material having a compressive strength of above 0.5MPa; each of the reinforcing ribs is formed by a lightweight material internal model connected with the internal core material through an adhesive, and a fiber fabric layer coated on the external surface of the lightweight material internal model; the fiber fabric is a glass fiber, a carbon fiber, a Kevlar fiber, an ultrahigh molecular weight polyethylene fiber or a basalt fiber; and a resin is a cured substance of a polyester resin, a vinyl resin, an epoxy resin, a phenolic resin and the like. The making method has the advantages of one-time-forming of a product having the reinforcing ribs and the sandwich structure, increase of the rigidity design space of the composite material, reduction of sequent secondary processing, reduction of the defect appearance possibility, scarce generation of the volatilization of harmful gases, and personnel health protection.

The invention discloses a PC/PET (polycarbonate/polyethylene terephthalate) alloy material which has low shrinkage and is easy to coat. The PC/PET alloy material comprises components in percentage by weight as follows: 30%-60% of PC, 15%-35% of PET, 15%-20% of acrylonitrile-butadiene-styrene, 10%-25% of inorganic filler, 1%-10% of a toughening agent, 0.1%-1% of a chain extender and 0.2%-4% of an assistant. According to the PC/PET alloy material, specific quantities of the components are combined to produce ideal synergistic effect, so that the alloy material not only has excellent comprehensive mechanical property, but also has ultra-low shrinkage rate, a product does not require polishing processing, primer coating can be directly avoided, and the coating cost is saved. The invention discloses a preparation method of the PC/PET alloy material. According to the preparation method, the preparation can be realized by adopting conventional equipment, namely a double-screw extruder, and through control of feeding position and temperature, the preparation is simple and easy to control.

A bearing arrangement for opposite journals of cylinders, rolls or drums having actuators that permit a displacement of the cylinders, rolls or drums in a direction perpendicular to an axis of rotation of said cylinders, rolls or drums, each of said journals being received in a frame wall via a rotary bearing for being placed against and removed from said frame wall whereby a centered rotary bearing (6) is received in a bearing housing (1), the bearing housing (1) is arranged through a linear bearing unit (7) on a connecting structure (2) for longitudinal displacement relative to the connecting structure (2), and the connecting structure (2) is connected to the frame wall (10).

The invention relates to a method for manufacturing a novel lithium iron battery. The novel lithium iron lithium ion battery is manufactured by combining an anode active substance made of a FeF3/V2O5 composite material and LiMn2O4 with a carbon cathode, wherein the anode active substance is prepared by ballmilling 5 to 85 mass percent of LiMn2O4 and 95 to 15 mass percent of FeF3/V2O5 composite material for 1 and 8 hours; before the anode active substance is prepared, the FeF3/V2O5 composite material is prepared first, namely V2O5 accounting for 1 to 50 percent of the total mass of the composite material and FeF3 accounting for 99 to 50 percent of the total mass of the composite material are subjected to high-energy ball mill for 1 to 8 hours and the ground V2O5 and FeF3 are annealed at the temperature of between 100 and 600 DEG C for 1 to 12 hours to form the FeF3/V2O5 composite material. The method has the advantages of improving the conductivity of the material, prolonging the service life of the battery, improving a discharging platform substantially and enhancing the large-current discharging capacity of the battery, along with high safety performance of the battery.

The invention belongs to the field of materials, and in particular relates to a thermoplastic fiber-reinforced composite material, a preparation method and application of the material, and a method for preparing a case shell using the material as a raw material. The thermoplastic fiber reinforced composite material of the present invention includes thermoplastic fiber fabric and thermoplastic resin. Using the thermoplastic fiber-reinforced prepreg/sheet provided by the present invention to prepare the casing of a case can greatly improve the strength and impact resistance of the case compared with the traditional hard case. The thickness of the shell is reduced to reduce the weight of the luggage itself. Compared with the traditional hard box, it can reduce the weight by about 40%, and greatly improves the impact resistance of the luggage, reducing the damage of the luggage during use and consignment. Compared with traditional soft cases, it solves the shortcomings of soft cases and bags that are not pressure-resistant and waterproof, and leather cases are easy to be scratched and damaged, and are difficult to repair or have high repair costs.

The invention discloses an intelligent tracked mite eliminating instrument for beds. The intelligent tracked mite eliminating instrument comprises a mite eliminating instrument body, a traveling device and a control unit. The mite eliminating instrument body comprises a mite eliminating device and a shell, and the control unit is respectively connected with the mite eliminating device and the traveling device. The intelligent tracked mite eliminating instrument is characterized in that the traveling device is a tracked traveling device which is arranged at the bottom of the mite eliminating instrument body, the mite eliminating device is arranged at the bottom of the mite eliminating instrument body, and the mite eliminating instrument body is driven by the tracked traveling device to move automatically under the action of the control unit. The intelligent tracked mite eliminating instrument is suitable for moving on soft surfaces of beds, sofas and the like without raising wrinkles or damaging bed sheets or sinking into beddings and is convenient to move and effective in mite eliminating and bactericidal effects. The control unit is capable of setting a certain automatic route for the mite eliminating instrument and setting a traveling speed of the mite eliminating instrument, and accordingly mite eliminating effects and efficiency can be improved beneficially.

The invention belongs to the field of mobile communication, and relates to a wireless communication module, in particular to a high-performance small-sized module of a code division multiple access (CDMA) evolution-data optimized (EV-DO) mobile terminal. The small-sized module is applicable to a third generation (3G) user terminal. The wireless communication module is characterized in that: board-level connection is carried out by ball grid array (BGA) package; the level of integration is high; the size is small; good electrical performance and an external interface function are realized; and requirements of a customer can be well met. The wireless communication module comprises a radio frequency front end, a transmitting and receiving channel, a base band processing part, a memory and a power manager, wherein the base band processing part and the radio frequency front end are placed on a top layer of a circuit board; a shielding cover is arranged on the top layer to guarantee an excellent electromagnetic compatibility function of the module; the memory is placed on a bottom layer of the circuit board; and the bottom layer adopts an advanced BGA technology to guarantee reliable connection during the application of the module.

The invention mainly relates to a method for verifying a password code in a fuzzy mode. The method includes the following steps that (1) a plurality of candidate information units are displayed in a hashed mode, information units of the password code serve as the candidate information units, and the distance between graphic user interfaces where every two adjacent candidate information units are located at any moment is not larger than a default maximum value; (2) setting of the relative position relation of a target selection area and the candidate information units is accepted, so that the number of the candidate information units covered by the target selection area can reach two or more, and the candidate information units covered by the target selection area are determined to be a selected information unit set; (3) the information units of the password code are compared with the selected information unit set, and when the selected information unit set comprises an information unit of a preset code, it is determined that a user selects the correct information unit in the preset code. The code verifying design achieved in the method integrates fuzzification of plaintext expression with feasibility of user operations and has the advantages of being safe and reliable.

The invention provides a method for producing a microcrystal glass ceramics composite board. The method comprises the following steps of: 1) applying powder and stamping to form a green brick; 2) forming a ground coat layer and a printing layer; 3) carrying out primary firing; 4) dispersing microcrystal glass fusion blocks; 5) carrying out secondary firing; and 6) edging and polishing, wherein a die cavity of a stamping mould used in step 1) has a concave-convex pattern, and the distance d between the raised place of the concave-convex pattern and the reference surface of the die cavity and the distance d between the recessed place of the concave-convex pattern and the reference surface of the die cavity are 0.22-1.1mm. The concave-convex pattern, the pattern of the printing layer and the color combination on the upper surface of a green brick layer of the glass ceramics composite board endow the product with an aesthetic feeling, the concave-convex surface texture transition is continuous and natural, the pattern effect can be combined in multiple ways, the designable space is large, abundant color and gloss matching decorating effects are provided, and the optical refraction of the surface crystallite glass layer ensures that the product has a three-dimensional feeling.

The invention discloses an aluminum foam sandwich plate with a gradient interface and a manufacturing method thereof, which belong to the technical field of porous metallic materials and laminar composite materials. The manufacturing method comprises the steps of firstly, uniformly mixing aluminite powder or aluminum alloy powder and foaming agent titanium hydride powder to obtain mixed powder; then sequentially filling lower panel alloy powder, the mixed powder and upper panel alloy powder into a steel mold, wherein the three powder is distributed in a layered way; then putting the steel mold into a hot press machine so as to be hot-press densified to obtain a foamable sandwich plate prefabricated member; and finally heating and foaming the prefabricated member to obtain the foam sandwich plate with the gradient interface. According to the method, the densification of the aluminum foam prefabricated member and a compounding process of aluminum foam and panels are completed at the same time within one working procedure, so that the process flow is short, and the manufacturing cost is low; commercially available metal sheets have no need to be used, so that a material selection range and a design space are wide; and the aluminum foam sandwich plate with the gradient interface prepared through the invention is hopefully applied widely in the fields of automobiles, rail trains, buildings, electronics and national defense and military industry.

The invention discloses an oil-electricity dual-power driving device of a hydraulic lifting system of an aerial operation car, which comprises a gearbox, a force extractor, a universal joint transmission device and a dual-power coupling device sequentially input by a first power source. The dual-power coupling device also comprises a second power source, and the second power source and the first power source are merged and output to the same hydraulic pump. Compared with a traditional oil-electricity dual-power driving hydraulic lifting system of the aerial operation car, the invention saves one hydraulic pump and can achieve high selection possibility of system structures and control modes. Accordingly, the invention can provide a wider design space for further optimizing the energy-saving environmental-protection performance of the hydraulic lifting system of the aerial operation car.

The invention relates to a parameter optimization method based on Pareto optimality under a dual-mode configuration multi-target condition, and belongs to the field of new energy vehicles. The method comprises the following steps: S1, constructing a steady-state kinetic equation under different configuration modes of a dual-mode configuration and a mode switching strategy based on transmission efficiency maximization; S2, establishing a hybrid power transmission system transient kinetic equation considering the rotational inertia of components; S3, based on a dynamic programming algorithm, constructing economic evaluation indexes including working condition related economic cost and transmission system part cost and a dynamic property evaluation index quantified by hundred kilometers of acceleration time; and S4, constructing a multi-objective optimization function through a Chebyshev aggregation method, and obtaining the economic cost related to the dual-mode configuration related working condition, the power transmission system part cost and the optimal Pareto leading edge of the dynamic property taking the acceleration performance as an evaluation index based on a multi-objective evolutionary algorithm MOEA/D. According to the method, a wider design space is provided for configuration optimization.

The invention discloses a leading-out process for an anode and a cathode of an end cap-type tantalum capacitor. The leading-out process comprises the following steps: (1) getting a tantalum core preform with the anode and the cathode; (2) enabling a high-temperature adhesive tape of which the width is equal to that of the tantalum core preform to cling to the bottom part of a tantalum core, and then, preheating the tantalum core; (3) burying the preheated tantalum core in epoxy resin powder for 2s-5s, and then, tearing off the high-temperature adhesive tape at the bottom part of the tantalum core; (4) solidifying epoxy resin; (5) solidifying cathode silver paste; (6) solidifying anode silver paste; (7) separating the tantalum core to become a whole individual with specified dimensions; (8) electroplating the tantalum core obtained in the step (7). The leading-out process disclosed by the invention has the beneficial effects that an anode and cathode leading-out process for a traditional tantalum capacitor is improved; without an anode and cathode soldering lug or a leading-out wire, the middle part of the tantalum capacitor is insulated by utilizing the epoxy resin; the anode and the cathode of the capacitor are directly led out by the silver paste at both ends, so that the design space of the tantalum capacitor is enlarged.

The invention discloses a coaxial composite welding method of laser spot welding and resistance spot welding, belonging to the technical field of welding. The method solves the problem of poor welding spot performance when the laser spot welding technology is,applied to an aluminum alloy material. The welding method of the invention is based on the existing resistance spot welding method of the base material to be welded. A top electrode in the laser spot welding method uses a hollow electrode. When performing the resistance spot welding on the base material to be welded, a laser beam passes through the center of the hollow electrode to perform the laser spot welding on the base material to be welded, so as to realize the coaxial composite of the laser spot welding and the resistance spot welding. The method of the invention is used as a welding technology.

The invention discloses a damping coupling which comprises a flange plate, a driven piece, a disk hub, a damping disk and damping springs, wherein the flange plate is connected with the driven piece through a first rivet; the disk hub consists of a disk hub web plate and a disk hub core plate; a disk hub core at the left side of the disk hub web plate is sleeved with a first damping washer; a disk hub core at the right side of the disk hub web plate is sequentially sleeved with a second damping washer, a positioning washer, a butterfly-shaped spring and a damping disk from left to right; the driven piece, the disk hub web plate and the damping disk are provided with elongated holes in corresponding positions in the circumferential direction; the damping springs are arranged in the elongated holes; the driven piece, the disk hub and the damping disk are connected through a second rivet; and the disk hub can rotate an angle alpha relative to the driven piece and the damping disk. The invention can effectively cut down the gear shift impact of a transmission, reduce adverse effects of the vibration of a transmission system on an electromotor and improve the reliability and the service life of the electromotor and parts of the transmission system.

The invention relates to an electronically-controlled common rail heavy oil injector which comprises an injector body, an electro-hydraulic control member and a nozzle member. In the electro-hydrauliccontrol member, a ring groove is formed in the middle of the outer side of a guide sleeve, a transverse through hole is formed in the middle of the groove to directly communicate with a middle hole of the guide sleeve, the two sides of the ring groove are provided with seal rings, and the interior of the oil injector is divided into three chambers. A control valve core guide section is provided with three ring grooves, and the second ring groove is in communication with the transverse through hole in the middle of the guide sleeve. An electromagnetic component is in contact with cooling oil,a cooling oil circuit is isolated from a fuel oil circuit by means of dynamic sealing, static sealing and drainage manners, and corroding and thermal damage of heavy oil to electronic components can be effectively prevented; and a sinking groove is formed in the middle of the top end of an orifice plate, a ball valve seat guide sleeve can be sleeved with the sinking groove of the orifice plate tobe in clearance fit with a ball valve seat, and a certain guiding ability for axial movement of the ball valve seat is achieved.

The connection and joint piece (1) comprises a housing (3) and a sleeve (12), made from a multi-piece injection moulded plastic part. The sleeve (12) comprises an outer piece (14), forming an outer seal and an inner piece (15), forming an inner seal and a region with spring tongues (24, 25) and locking tabs (26, 27). The sleeve (12) is a multi-component injection moulded piece. In the assembled state the sleeve (12) is located in the central cavity (4) of the connector piece (1) and encloses one end (6) of a well tube (2).