45results about How to "Designed for easy implementation" patented technology

The invention provides a liquid crystal display substrate and a preparation method thereof and a liquid crystal display device, which belong to the technical field of alignment films and can be used for solving the problem of difficulty in miniaturizing and realizing narrow frame design for a liquid crystal display device due to the presence of a Halo region on the edge part of the conventional alignment film. The liquid crystal display substrate comprises a substrate and an alignment film arranged on the substrate, wherein the substrate is provided with a display region for displaying; the substrate is provided with a retaining wall positioned on the periphery of the display region; the alignment film covers the display region, and the outer edge of the alignment film is contacted with the retaining wall; and the thickness of the alignment film is smaller than or equal to the height of the retaining wall. The liquid crystal display substrate preparation method provided by the invention is used for preparing the liquid crystal display substrate. The liquid crystal display device provided by the invention comprises the liquid crystal display substrate. The liquid crystal display substrate and the preparation method can be applied to a liquid crystal display device, in particular to a thin film transistor array liquid crystal display device.

A frame structure is provided for a motor vehicle having at least two longitudinal girders, each having a first longitudinal section and a second longitudinal section, which are at an angle to one another, so that in the installed state of the frame structure in a motor vehicle, the first longitudinal section lies essentially horizontally below a floor plate of the vehicle body and the second longitudinal section extends essentially upward and, viewed in the forward travel direction, the first longitudinal section is arranged behind the second longitudinal section. It is provided that beginning in the area of the transition from the second longitudinal section to the first longitudinal section or an area adjacent thereto, the longitudinal girders extend at least partially away from one another in the direction of the first longitudinal section. Furthermore, the invention relates to a rear frame structure and a vehicle body.

The invention discloses a single-ended input and differential output parallel dual-frequency low noise amplifier (LNA) and a design method thereof. The LNA can be applied to a digital TV, wireless communication and a navigation receiver and mainly comprises an input matching network, a main amplification circuit, an output network and a single-ended to differential circuit. The main amplification circuit adopts a cascode structure and has favorable reverse isolation degree; the input matching network enables the LNA to realize impedance matching and noise matching simultaneously in input stage and dual frequency ranges, and thus the noise performance of the circuit is improved at the same time of ensuring the maximum power transmission; and the singled-ended to differential circuit ensures that the LNA can be directly cascaded with a front-end antenna and a rear-end mixer circuit and easy to integrate. The LNA disclosed by the invention not only has a simple design, but also ensures that the system power consumption and area are reduced due to parallel dual-frequency receiving.

Disclosed is a high-frequency high-voltage transformer structure. A magnetic core of a transformer comprises two U-shaped magnetic cores (1) in butt joint, primary windings (5) and secondary windings (4) are respectively provided with a two-section structure and are wound on two primary winding frameworks (3) and two secondary winding frameworks (2) respectively, and the secondary winding frameworks (2) are sleeved outside the primary winding frameworks (3) to form a coaxial structure. The two primary winding frameworks and the two secondary winding frameworks are sleeved on magnetic arms in the height direction of the U-shaped magnetic cores (1), the primary windings are connected in series, the secondary windings are connected in series, and magnetic force lines generated by the windings are in the same direction in the magnetic cores by a series connection direction. The primary windings and the magnetic cores (1) of the transformer are insulated by the primary winding frameworks (3), and the secondary windings and the primary windings are insulated by the wall thicknesses of the secondary winding frameworks (2) and gaps among the primary windings (5) and the inner walls of the secondary winding frameworks. By the aid of a set of fixtures (6 and 7), the two magnetic cores in butt joint are clamped, and the transformer is fixed.

The invention discloses a coal gasification furnace for recycling industrial wastewater. The coal gasification furnace comprises a pressure-bearing furnace body, the top of the furnace body is provided with a top cover which is connected by a flange, a waste water burning nozzle and mounting openings of three coal burning nozzles surrounding the waste water burning nozzle are arranged in the center of the top cover, a reactor is isolated in the inner part of the furnace body by a water cooling wall, and a chilling water spraying ring is arranged below the slag opening in the bottom of the reactor, and a chilling chamber is provided with a descending pipe and an ascending sleeve pipe. The invention further relates to a gasification process using the gasification furnace.

The invention provides a preparation method of hydroxyl-terminated polymethylphenyl siloxane with controllable viscosity, which comprises the following steps: A) mixing methylphenylcyclosiloxane and methylcyclosiloxane, and dehydrating under vacuum conditions to obtain a dehydrated material; B) adding a double-hydroxy-terminated siloxane end-capping agent and a basic catalyst into the dehydrated material, heating to 90-110 DEG C, reacting for 3-6 hours, continuously heating to 120-160 DEG C, and introducing nitrogen to break the medium, with the dosage of the double-hydroxyl-terminated siloxane end-capping reagent calculated according to a formula (1) and accounting for 0.05%-5% of the total weight of the ring body; and C) removing low-boiling-point substances in the reaction product obtained in the step B) under a vacuum condition to obtain the viscosity-controllable hydroxyl-terminated polymethylphenyl siloxane with the structure shown in the formula I. The preparation method solvesthe problem of poor compatibility between the end-capping agent and the raw material, and finally, realizes the controllable viscosity of a methylphenyl 108 adhesive.

The invention discloses a low-complexity millimeter wave multicast beamforming method. According to the method, multicast communication for multiple users is realized by designing a beam forming vector. The millimeter wave antenna array is divided into a plurality of sub-arrays, each sub-array forms a sub-wave beam which points to different users, and phase shift factors are added to different sub-arrays to improve the design flexibility. Through the molecular array, the number of variables needing to be optimized is greatly reduced, and the calculation complexity is greatly reduced while theperformance is close to that of an existing scheme.

The invention provides a narrow-face copper plate for an asymmetric slab continuous casting chamfering crystallizer and belongs to the technical field of steelmaking-continuous casting. A working face of the narrow-face copper plate consists of a middle working face (2), a large-size inner-arc chamfer (3) and a small-size outer-arc chamfer (4). An upper opening of the narrow-face copper plate is defined by a small-size outer-arc chamfering upper edge (5), a middle working face upper edge (6), a large-size inner-arc chamfering upper edge (7), an inner-arc copper plate upper edge (8), an outer-arc copper plate upper edge (9) and a copper plate back side upper edge (10). Two-dimensional heat transfer of corner portions is changed by changing corner portions of a medium-thickness slab, the slab corner portion temperature is improved, meanwhile differential treatment is performed by considering inner-outer-arc difference, accordingly the problem that corner transverse crack defects easily occurred in the continuous casting slab can be solved. In addition, the temperature difference between the outer arc and the inner arc is also considered, and the safety of the slab on a heating furnace roller way is ensured while the outer-arc corner transverse crack defects are overcome.

The invention relates to a failure monitoring processing device based on virtual interruption and a method. For the purpose that a computer user can process the fault after the processor is abnormal under the user state of the processor in a safe key system, the failure monitoring processing device based on virtual interruption provided by the invention comprises a fault monitoring reporting module, a system-level fault scheduling module, a system-level default fault processing module, a partition virtual interruption controller module, a partition fault processing table, a partition default fault processing module, a task fault processing table, a task fault processing module and a user-level fault scheduling module. When the system running is in fault, under the condition of confirming as a user fault, the used fault processing module is confirmed through the query task fault processing table and the partition fault processing table, the fault processing module is taken as a partition virtual interruption processing function and the system can enter into the processor user state so as to perform corresponding fault processing.

The invention provides a multi-weighted opportunity beamforming system and method based on joint optimal power allocation and belongs to the technical field of wireless communications. The system of the present invention comprises a transmitting end and a user end; the transmitting end comprises an OBF matrix selector, a power splitter, a superimposer and a radiating antenna array. The method of the present invention comprises the following steps: firstly, an OBF matrix selector determines an OBF matrix input value transmitted this time by using a joint optimal power allocation algorithm and an OBF matrix with the maximum signal-to-noise ratio is selected for each user; the power splitter determines the power allocated to each user; then, the superimposer performs superposition on the userdata subjected to power allocation and the user data is transmitted to the radiating antenna array; the radiating antenna array performs broadcast; finally, each user end obtains the broadcast data and carries out decoding, respectively. The multi-weighted opportunity beamforming system and method based on joint optimal power allocation in the invention solve the problem that the transmitting endof the prior art can only serve one user at one transmission moment, resulting in low transmission efficiency of the system. The multi-weighted opportunity beamforming system and method based on joint optimal power allocation in the invention can be used for opportunistic beamforming.

The invention relates to a dehumidifying and drying heat pump system fused with a compressor driving type quasi-loop heat pipe, which comprises a refrigerant circulating flow path and an air flow path, and the refrigerant circulating flow path comprises a compressor, a condenser, a condensation reheating section, a throttle valve and a refrigerant flow path of an evaporator which are connected in sequence; the dehumidifying and drying heat pump system integrating the compressor driving type quasi-loop heat pipe further comprises an evaporation pre-cooling section connected into the refrigerant circulating flow path. The air flow path comprises an evaporation pre-cooling section, an evaporator, a condensation reheating section and a first air branch of a condenser which are connected in sequence, the evaporation pre-cooling section is used for pre-cooling air return, and the condensation reheating section is used for reheating air return. Compared with the prior art, through the effect of the compressor driving type quasi-loop heat pipe, heat exchange of air fluid in front of and behind the evaporator is achieved, useless cooling effect sensible heat carried by air at an inlet of the evaporator is reduced, the proportion of latent heat corresponding to dehumidification in the total refrigerating capacity is increased, and therefore the dehumidification amount is increased, and the dehumidification energy efficiency is improved.

Disclosed in the invention is a magnetic latching relay with an asymmetric magnetic circuit. The magnetic latching relay comprises a sealed housing, an electromagnetic system and a contact system, wherein the electromagnetic system and the contact system are arranged in the sealed housing. The electromagnetic system is arranged above the contact system and has an asymmetric structure; and s corresponding contact of the contact system is in a normally-open state in a return state and a corresponding contact of the contact system is in a normally-closed state in a self-holding state. The contact system consists of a pedestal, an auxiliary contact leading-out rod, a main contact leading-out rod, a connecting spring plate, a movable contact and a static contact; the two ends of the connecting spring plate are respectively connected with an armature and the auxiliary contact leading-out rod; the static contact and the main contact leading-out rod are connected; and the moving contact and the armature are connected. When the armature moves, the moving contact group is driven to move, thereby realizing state conversion. The magnetic latching relay has characteristics of simple magnetic circuit structure, miniaturization design, and high severe environment performance index.

The invention relates to hydrogen guiding groove board of fuel battery, said hydrogen guiding groove board comprises positive hydrogen guiding groove board; negative surface is flat board or single board with cooling flow groove, said hydrogen guiding groove board possesses flow hole for air, hydrogen, cooling liquid and guiding groove which is connected between flow holes; said flow hole which air or hydrogen in and out is single hole for in, two or more hole for out, the guiding groove which is designed between hydrogen holes is designed to direct flow groove or nearly direct flow groove; said flow hole for cooling liquid is single hole or double holes or more holes for in, two holes or more holes for out, guiding groove which is set between flow hole for cooling liquid is designed to direct flow groove or nearly direct flow groove. Comparing with current technique, the invention can decrease resistance and pressure reduction, liquid can flow on liquid field evenly, effective area can be increased; jam of guiding groove can be avoided.

The invention discloses a GIL post insulator bursting fault simulation test platform and a measurement method. The platform is characterized in that a GIL test cavity is divided into a left cavity anda right cavity by a gas insulation spacer; the left cavity and the right cavity are respectively provided with a gas-pressure meter and a gas charging and discharging port; the left cavity is connected with a lead-out bushing through a flange; the right cavity is provided with an observation window for observing the bursting process of a GIL post insulator and a detection device for recording thebursting process of the GIL post insulator; and the detection device mainly comprises a temperature detection device, an ultrasonic partial discharge detection device, an ultrahigh frequency partialdischarge detection device, and an SF6 gas decomposition product detection device. By adopting the GIL post insulator bursting fault simulation test platform, while the bursting process of the post insulator is observed, parameters such as the temperature, the partial discharge amount and the vibration of the post insulator are continuously measured at different moments, and a multivariate statistical analysis method is applied to establish an operation correlation matrix to analyze the autocorrelation of each characteristic parameter.

The invention discloses a three-dimensional radar level meter based on a vertical linear array and a design method thereof, and relates to the technical field of millimeter wave radar imaging. The method comprises the following steps of: selecting appropriate array elements, selecting an appropriate voltage-controlled oscillator, selecting an appropriate primary noise amplifier, an appropriate low-pass filter and an appropriate power amplifier, selecting a four-channel 16-bit digital-to-analog conversion module, selecting an appropriate digital phase compensation synthesizer, carrying out two-dimensional distance direction correction on echo signals, and performing imaging through a response function of a receiving signal inversion target. According to the method, on the premise that the size and the cost are not increased, high resolution can be guaranteed, and faster imaging performance can be achieved.

The invention relates to air guiding groove board of fuel battery, said air guiding groove board comprises positive air guiding groove board; negative surface is flat board or single board with cooling flow groove, said air guiding groove board possesses flow hole for air, hydrogen, cooling liquid and guiding groove which is connected between flow holes; said flow hole which air or hydrogen in and out is single hole for in, two or more hole for out, the guiding groove which is designed between hydrogen holes is designed to direct flow groove or nearly direct flow groove; said flow hole for cooling liquid is single hole or double holes or more holes for in, two holes or more holes for out, guiding groove which is set between flow hole for cooling liquid is designed to direct flow groove or nearly direct flow groove. Comparing with current technique, the invention can decrease resistance and pressure reduction, liquid can flow on liquid field evenly, effective area can be increased; jam of guiding groove can be avoided.