50results about How to "Adapt to different applications" patented technology

The invention discloses a self-heating laminated micro-channel reforming hydrogen production reactor, which comprises an upper cover board, an endothermic reaction substrate, an exothermic reaction substrate and a lower cover board, wherein the upper cover board is formed with a vapour reforming reactant inlet, a vapour reforming product outlet, an inlet of hydrocarbon in partial oxidation reforming reaction, and an inlet of oxygen in partial oxidation reforming reaction; the endothermic reaction substrate comprises a vaporization cavity, a vapour reforming reaction cavity, a vapour guide channel and hot circulation channels located on two sides of the endothermic reaction substrate; the exothermic reaction substrate comprises a catalytic combustion cavity, and a partial oxidation reforming reaction cavity, wherein the catalytic combustion cavity is connected with the partial oxidation reforming reaction cavity one another through a channel formed on the middle part of the exothermic reaction substrate. The reactor provided by the invention is characterized by that the whole micro-reactor can be started up and operated with self-heat without an external heat source, and the reactor can greatly improve the efficiency of methanol-vapour reforming hydrogen production reaction; the reactor provided by the invention further realizes recycling waste heat obtained by burning the reaction products and reduces loss of heat energy.

The invention discloses a motion platform attitude sensing method based on synergy-source DOA information and belongs to the technical field of navigation. According to the method, a fully electromagnetic vector sensor, three orthogonal electric dipoles and three orthogonal magnetic ring dipole antennas are used for receiving navigation signals at single receiving points, and DOAs of signals (polar and nonpolar) are estimated; different signal sources are distinguished according to code division or frequency division; and an attitude reference is provided for the motion platform through two crossed DOA vector structure coordinate systems, and therefore the motion platform has the attitude reference to complete attitude sensing of itself. When a plurality of satellite signal sources exist, attitude parameters are adjusted finely, and the attitude parameter with the smallest weighted sum of error spherical variances in each DOA is found out, so that a plurality of platform attitude matrixes of the DOA information are mixed. According to the method, only the single receiving points are needed on the motion platform to achieve the attitude sensing, and attitude navigators and heading navigators can be substituted.

The invention relates to a 1.6-micron wave band pulse type single-frequency linear polarization laser which is characterized by comprising a seed resource laser, a seed isolator, a beam splitter, a raman optical fiber amplifier, an amplification stage isolator, a collimator, a coupling system and a solid laser amplifier which are connected in sequence. The laser has no complex control system and has the advantages of being compact in structure, high in stability and repetition frequency, adjustable in pulse width and the like.

The invention provides a rotation shaft deflection type permanent magnet power generator, relating to the technical field of a power generator. A stator is arranged at the periphery of a rotor, the rotor comprises an annular rotor magnetic yoke inner core, the annular rotor magnetic yoke inner core is made of a magnetic conduction material, a plurality of rotor permanent magnets are arranged on the periphery of the rotor magnetic yoke inner core, N poles and S poles of all rotor permanent magnets in a circumferential direction are alternatively arranged, a magnetic isolation sheet made of a non-magnetic conduction material is arranged between each two adjacent rotor permanent magnets, a stator groove is arranged on the inner side surface of the stator, a distributed winding is embedded into the groove, a side, opposite to the rotor, of the stator is of a concave surface shape, and the rotation shaft is a dual-sided or single-sided shaft and connected with the rotor magnetic yoke inner core. The rotation shaft deflection type permanent magnet power generator still can normally generate power when the rotor deflects, namely, a certain angle is formed between the axial line of the rotor and the axial line of the stator; the rotation shaft deflection type permanent magnet power generator has the advantages of stable power generation, simplicity in structure and relatively low cost; with the additional arrangement of a concentrated winding for deflection, a power-driven state can be entered in short time when the deflection angle of the rotor is required to be actively adjusted; and the rotation shaft deflection type permanent magnet power generator can be widely applied to the fields of wind driven power generation, vehicles and the like.

The invention discloses a display device and a method thereof. The display device comprises a display panel, an image separating layer and a phase difference device; the display panel is used for providing an original image optical signal; the image separating layer is arranged above the display panel and has parallel shielding patterns in a first direction, so that the original image optical signal becomes a plurality of display image optical signals of different display angles; the phase difference device is arranged on one side of the image separating layer and has parallel phase patterns in a second direction perpendicular to the first direction, so that the display image optical signals comprise first phase light and second phase light. In addition, the invention also discloses a method for presenting a three-dimensional image.

The invention discloses a turn-off thyristor device with a separated gate drive. The turn-off thyristor device comprises a turn-off thyristor shell, an auxiliary interface board, a gate drive board and a connecting structure. The turn-off thyristor shell and the auxiliary interface board are connected in a low-inductance integrated connection mode. The gate drive board comprises a drive circuit module. The auxiliary interface board and the gate pole driving board are detachably connected through the connecting structure, so that the thyristor shell and the gate pole driving board can be disconnected or combined.

The invention relates to an FPGA-based video interface diagnosis system and method. The FPGA-based video interface diagnosis system is established through using an onboard FPGA. The method comprises the steps that: the FPGA judges a video interface type, namely, performs analog signal diagnosis when the video interface type is an analog signal interface, and performs digital signal diagnosis whenthe video interface type is a digital signal interface; acquiring a corresponding problem troubleshooting direction from a preset corresponding relation table of diagnosis results and problem troubleshooting directions according to the diagnosis result. Analog signal diagnosis is implemented by the steps that the FPGA collects data obtained after AD conversion and sends the data to an upper computer through using a PCIe interface in a DMA transmission mode, and the upper computer carries out oscillogram description on the received data and marks waveform amplitude. The digital signal diagnosisis implemented by the steps that signals collected by an interface chip are sequentially subjected to video interface signal clock frequency diagnosis, video interface signal loss and signal line sequence diagnosis, video interface signal frequency diagnosis, image time sequence parameter measurement, image collection and display and image quality evaluation by means of the FPGA. According to theFPGA-based video interface diagnosis system and the method, the diagnosis result is used for guiding the user to troubleshoot the problem.

The invention discloses a self-heating laminated micro-channel reforming hydrogen production reactor, which comprises an upper cover board, an endothermic reaction substrate, an exothermic reaction substrate and a lower cover board, wherein the upper cover board is formed with a vapour reforming reactant inlet, a vapour reforming product outlet, an inlet of hydrocarbon in partial oxidation reforming reaction, and an inlet of oxygen in partial oxidation reforming reaction; the endothermic reaction substrate comprises a vaporization cavity, a vapour reforming reaction cavity, a vapour guide channel and hot circulation channels located on two sides of the endothermic reaction substrate; the exothermic reaction substrate comprises a catalytic combustion cavity, and a partial oxidation reforming reaction cavity, wherein the catalytic combustion cavity is connected with the partial oxidation reforming reaction cavity one another through a channel formed on the middle part of the exothermic reaction substrate. The reactor provided by the invention is characterized by that the whole micro-reactor can be started up and operated with self-heat without an external heat source, and the reactor can greatly improve the efficiency of methanol-vapour reforming hydrogen production reaction; the reactor provided by the invention further realizes recycling waste heat obtained by burning the reaction products and reduces loss of heat energy.

The invention relates to a combinable electrostatic kinetic energy collector and a preparation method thereof. The kinetic energy collector comprises a panel, a half-moon-shaped supporting component,an electret film and a groove which are sequentially arranged from top to bottom, if the electret film is formed by covering the upper surface of a polymer film with an upper electrode, negative charges are injected into the lower surface of the polymer film, and the inner surface of the groove is covered with a lower electrode; and if the electret film is formed by covering a lower electrode withthe lower surface of a polymer film, negative charges are injected into the upper surface of the polymer film, and an upper electrode is arranged between the upper surface of the polymer film and thepanel. The panel is connected with the upper electrode through an elastic connecting component, the upper electrode and the lower electrode are respectively connected with an upper electrode lead anda lower electrode lead, and a plurality of kinetic energy collectors are turned over up and down and then are stacked and tiled left and right, so that the gapless combined kinetic energy collector can be obtained. Compared with the prior art, the combinable electrostatic kinetic energy collector can flexibly adapt to different occasions, the installation space is fully utilized, and the kineticenergy collection efficiency is improved.

The invention relates to a method for attitude measurement and target detection of a UAV group-borne polarization array. The invention discloses the change law between the attitude position of a multi-deficient electromagnetic vector sensor and the received signal, and according to the multiple earth satellite navigation system signals of cooperative navigation Or maximize the spatial spectrum of UAV base station signals to achieve platform attitude measurement. The calculation of generalized electromagnetic wave generalized space spectrum adopts eigenvalue algorithm, blind signal polarization state, aircraft position and frequency drift information, and retains the attitude and position information of sensors installed in the fuselage. Under the condition of inaccurate position and frequency drift of UAV Realize multi-target direction of arrival estimation.

The invention discloses a bifocal bidirectional combined imaging optical system. The system comprises a short-focus lens group for forward observation, a long-focus lens group for lateral observationand a plane mirror group for turning a light path, wherein the short-focus lens group is composed of five-sheet four groups of lenses, and the long-focus lens group is composed of a double-glued lensgroup and a single lens, a plane mirror set is composed of three plane mirrors, one plane mirror is located on the left side of the long-focus lens group, and the other two plane mirrors are located on the right side of the long-focus lens group. The short-focus large-field-of-view lens group adopts a negative, positive, positive, positive and negative five-piece lens type structure, the focal power is reasonably distributed, the fourth lens and the fifth lens are combined to form the double-glued lens, so the structure is compact, correction of chromatic aberration and spherical aberration isfacilitated, and the imaging quality is greatly improved.

The invention discloses a turn-off thyristor device with separate gate drive, comprising: a turn-off thyristor case and an attached interface board, a gate drive board and a connection structure; the turn-off thyristor case and the auxiliary interface board A low-inductance integrated connection is used for connection between them; the gate drive board includes a drive circuit module; the auxiliary interface board and the gate drive board are detachably connected through the connection structure, so as to realize the shutdown of the thyristor shell and the gate Separation or combination between driver boards.

The invention discloses a high-sensitivity ultrasonic flowmeter based on an ultrasonic transducer and a method thereof. The flowmeter includes an inlet section, a middle section and an outlet section connected in sequence, and the inlet section, the middle section and the outlet section are all straight pipe sections. There is an angle between the axes of the inlet section and the outlet section and the axis of the middle section; the two ends of the middle section are closed, and ultrasonic transducers integrating transceivers are respectively provided; the array of two ultrasonic transducers The receivers are set opposite to each other and can transmit and receive ultrasonic signals; the connections between the entrance section and the exit section and the middle section are respectively located on the inner side of the ultrasonic transducer at the end of the middle section, and the two connections are along the length direction of the middle section There is a gap, so that there is an overlapping section between the propagation path of the ultrasonic wave and the flow path of the fluid in the middle section. The invention adopts a structure in which the sound wave propagation path and the fluid flow path overlap, which can greatly improve the sensitivity of the flowmeter.

The invention provides a workpiece surface cleaning device. The workpiece surface cleaning device comprises a base, a limiting mechanism which is arranged on the base and used for limiting a workpiece, a vibration mechanism acting on the workpiece and a blowing mechanism used for blowing away impurities of the workpiece. The vibration mechanism comprises an action hammer used for knocking the workpiece and a driving device used for driving the action hammer to act. Impurities which adhere to or aggregate on the surface of the workpiece and are generated during production are cleaned up through knocking of the action hammer and blowing of the blowing nozzle instead of manual cleaning in the prior art, the work efficiency of cleaning the workpiece is greatly improved, and the cleaning effect is better.

The invention provides a metal hot interface material and a preparation method thereof. The preparation method comprises the following steps of mixing first melting point metal and second melting point metal for a period time according to a certain proportion; in the mixing process, enabling the first melting point metal and the second melting point metal to take alloy reaction to obtain a finished product; performing freeze storage in argon inflation or vacuum environment. The metal hot interface material can moisturize a solid interface and can fill gaps of the contact interface to reduce the contact heat resistance; the pollution generated by flowing overflow on electronic devices or even short circuit can be avoided.