93results about How to "Guaranteed normal injection" patented technology

The invention relates to a single-mode high-power vertical cavity surface-emitting laser based on a SiC heat sink. Including N electrode, SiC substrate, N-type DBR, active region, oxidation limiting layer, P-type DBR, SiC (electrode + window + heat sink), SiO2 mask, solder. The present invention is characterized by adopting a flip-chip top-emitting structure. The light output window is made on the P-type DBR, and the top light output method is adopted, and the heat sink is also placed at the end of the P surface. SiC wafers have high thermal conductivity, high electrical conductivity and high transmittance of near-infrared light after being modified by special technology. The P electrode, light window and heat sink in the traditional structure are replaced by SiC wafers, and the functions of the three are combined into one. The SiC wafer is used as an electrode, and the circular P electrode of the traditional VCSEL is replaced by a planar electrode or a non-uniform grid electrode; the SiC wafer is used as a heat sink material, and the thermal expansion coefficient is similar to that of GaAs materials, and it is directly flip-chip connected to the P surface in the epitaxial wafer; The SiC wafer simultaneously becomes the light exit window.

An automatic spraying curing device for a concrete bridge pier comprises a lifting system, a water supply system and a spraying system. The lifting system and the water supply system are started according to the set time. While a spraying curing frame is lifted, water pumped by a water pump is sequentially conveyed into a main water conveying pipe, a branch water conveying pipe and a spraying water pipe. Water spraying curing is carried out on the surface of the concrete bridge pier needing curing through water sprayed by sprayers. A winch is automatically reversed after the spraying curing frame is lifted to the top of the bridge pier, and the spraying curing frame descends to a bearing platform surface in continuous spraying. The automatic spraying curing device for the concrete bridge pier is simple in structure, reasonable in design, and convenient to use and operate. The problem that manual water spraying curing can not meet the spraying requirement, thereby causing cracks of the bridge per can be effectively solved, the engineering quality is improved, and the service life of the bridge pier is prolonged. A water curtain formed by sprayed water covering a pier body concrete curing surface is uniform, the omni-directional and full-wetting curing quality standards can be met, the curing effect is quite remarkable, and high pier high-altitude concrete curing is realized.

The invention designs and synthesizes an electrophosphorescent or electrofluorescent 1,8-naphthalimide derivative. The derivative contains a five-membered heterocyclic functional grou: 1, 8-naphthalimide, benzothiazole, etc, which ensures both the injection and compound of carriers and the generation of excitons happen in molecules and simultaneously avoids the defect of light chroma change caused by the change of conjugated delocalization degree; its maximum lighting wavelength is in 511-521 nm (emitting yellow-green light) or greater than 630 nm (emitting red light), and at driving voltage, the maximum light brightness is 4500-4800 cd/sq m.

The invention belongs to the field of microwave technologies, and specifically relates to a fast controllable polarizer for a high-power electron cyclotron resonance heating system. The fast controllable polarizer comprises a microwave reversing bend, a mounting base plate, a polarization mirror, a polarization mirror rotating mechanism and a rotation driving mechanism, and is characterized in that the microwave reversing waveguide bend is used for transmitting high-power microwaves and realizing 90-degree reversing in transmission direction of the microwaves; the mounting base plate is used for positioning the polarization mirror, the polarization mirror rotating mechanism and the rotation driving mechanism on the microwave reversing bend; the polarization mirror is used for reflecting the microwaves and realizing changes in microwave polarization mode while rotating; the polarization mirror rotating mechanism is used for realizing rotation of the polarization mirror in a vacuum environment; and the rotation driving mechanism is used for realizing accurate positioning control and protection for rotation of the polarization mirror. The fast controllable polarizer is high in positioning accuracy and capable of being fast controlled remotely, can MW-magnitude long-pulse millimeter waves stably and efficiently, and can meet an arbitrary control requirement of the electron cyclotron system for the microwave polarization mode.

The invention provides a system and method for producing cement clinker through total oxygen combustion circulation preheating. The system comprises preheaters, a decomposing furnace, a smoke chamber, a rotary kiln and a cooling machine, the preheaters comprise a conventional preheater and a smoke circulation preheater, and the cooling machine comprises a first cooling area and a second cooling area, the first cooling area comprises a first cooling subarea and a second cooling subarea, mixed gas of high-concentration pure oxygen and carbon dioxide flue gas is introduced into an inlet of the first cooling subarea, an outlet of the first cooling subarea is in communication with an air inlet of the rotary kiln, first cooling gas discharged from the outlet of the first cooling subarea serves as secondary air to enter the air inlet of the rotary kiln, carbon dioxide flue gas is introduced into an inlet of the second cooling area, an outlet of the second cooling area is in communication with the air inlet of the rotary kiln through a first pipeline, second cooling gas discharged from the outlet of the second cooling area is controlled to serve as quartic air to enter the air inlet of the rotary kiln, therefore the concentration of O2 in mixed gas in the rotary kiln is adjusted, and then the flame temperature of oxygen-fuel combustion of the rotary kiln is controlled.

The invention discloses a CMOS image sensor, which is formed on a P-type semiconductor substrate and comprises a plurality of pixel units, wherein each pixel unit comprises a surface clamp photodiode;each clamp photodiode comprises an N-type buried layer formed in the P-type semiconductor substrate and a surface P+ layer formed on the surface of the N-type buried layer; field oxide layers are formed on the surface of the P-type semiconductor substrate between the adjacent surface clamp photodiodes; a first P-type doped isolation region is formed at the bottom of each field oxide layer; a fully injected second P-type doped isolation region is formed at the bottoms of the N-type buried layers; and the depths of the bottom surfaces of the first P-type doped isolation regions are greater thanor equal to that of the top surface of the second P-type doped isolation region, so that the bottoms of the first P-type doped isolation regions are overlapped with the second P-type doped isolationregion. The invention further discloses a production method of the CMOS image sensor. According to the CMOS image sensor, reduction of the cost under the condition of achieving noise isolation of thesubstrate can be ensured.

The invention belongs to the technical field of an anti-radiation medical treatment device, and particularly relates to an anti-radiation injection device; an anti-radiation injection device comprises a sealing cavity with a door body, wherein the bottom end of the inner part of the sealing cavity is fixed with a bracket, an union pipe and an injector fixing device are fixed on the bracket; the injector fixing device is located at the upper part of the union pipe, and the inner part is sleeved with an injector; a fluid outlet of the injector is connected with the union pipe, and the upper end is contacted with an injector pushing device; the injector pushing device is linked with the top part of the sealing cavity and partially exposed at the outer part of the sealing cavity, so as to push and inject the injector from outer part conveniently; the bottom part of the sealing cavity is provided with a through hole, the lower end of the union pipe is connected with a soft fine pipe through the through hole, a needle of the other end of the soft fine pipe can be inserted to a human body to establish a vein channel.

The invention relates to the technical field of textiles. The invention relates to a trouser tappet gluing device comprising a frame and a gluing device arranged on the frame. The gluing device comprises a gluing head for spraying glue. The glue dispensing device further comprises a hollow sleeve, wherein the glue dispensing head and the telescopic mechanism are both positioned in the sleeve, an outwardly protruding edge corner part is arranged on the top of the sleeve, a strip opening is arranged on the tip end of the edge corner part parallel to the axial direction of the sleeve, and the glue discharging port of the glue dispensing head faces the strip opening; The fixing device comprises a pressing block and a linear reciprocating mechanism for driving the pressing block to slide up anddown, and a side of the pressing block near the sleeve is provided with an inner concave part matched with an edge corner part, and the inner concave part is a V-shaped groove with an opening downward. This patent eliminates the need to double-turn the trousers and directly inserts the trouser barrel into the periphery of the sleeve so that glue can be sprayed on the inside of the trouser barrelthrough the glue head.

The invention discloses a continuous gel and pasty propellant supply device for a rocket engine. The continuous gel and pasty propellant supply device comprises a mechanical transmission, a piston supply delivery device and a propellant storage and output device; the transmission comprises a reduction gearbox, couplings, a servo motor with an adjustable rotational speed, a ball screw base, ball screws and nut sliders; the piston supply delivery device comprises piston sleeve rods, a piston cylinder, end check valves of the piston cylinder and side check valves of the piston cylinder; the propellant storage and output device comprises a transition cavity and a propellant storage tank. The continuous gel and pasty propellant supply device has the advantages that the servo motor and the ball screws are used as power devices, so that the sliders can drive a piston to bidirectionally reciprocate, and propellants in the storage tank can be continuously injected into the transition cavity via the piston cylinder under opening and closing actions of the check valves; the rotational speed of the servo motor can be adjusted, so that the supply flow rate of the propellants can be effectively controlled; components of the continuous gel and pasty propellant supply device are high in interchangeability, and accordingly a function for continuously supplying different propellants or continuously supplying the propellants under different working conditions can be realized.

The invention discloses a true triaxial fracturing test device, which comprises a loading assembly, a fracturing pipe and an injection pump. The fracturing pipe comprises a first connector, an adapterpipe and a second connector, which are communicated. The first connector is embedded in a fracturing hole in a test sample, one end close to the test sample is fixedly connected with a first fracturing pipeline, and the other end is detachably connected with the end portion of the adapter pipe; the other end of the adapter pipe is detachably connected with the second connector; the end portion ofthe second connector is fixedly connected with a second fracturing pipeline; and the other end of the second fracturing pipeline is communicated with the injection pump. The test device is fast and convenient to assemble and disassemble, can be reused and meets the requirement of arranging fracturing shafts on different side surfaces of the test sample simultaneously.

The invention discloses a closed discharge gap triggered by a plasma jet and an application thereof. The closed discharge gap comprises a plasma spraying unit comprising an injection device and a plasma trigger T, wherein the injection device is arranged in a contact unit, generates plasmas and ablate the ablation materials through pulse voltages and currents and generates a plasma jet by adoptinga capillary action of an elongated cavity, the injection device is connected with a plasma trigger T through the high voltage wire LA, the contact unit is arranged in the cavity unit for tolerance ofarc ablation, the cavity unit is used for providing a closed high-pressure gaseous medium environment. The closed discharge gap can ensure the reliable operation in the low work parameters, improvesthe control performances of the discharge gap, increases the work range and service life of the discharge gap, solves the problems that the arc is extinguished due to the small gap current, avoids thegap breaking, and replaces the complex and high-cost energy storage and freewheeling device.

The invention provides an organic electroluminescent device, and relates to the technical field of organic photoelectricity. According to the organic luminescent device, a hole transport layer comprises a first compound represented by a formula (1), and an electron transport layer comprises a second compound represented by a formula (2). The first compound is a compound formed by combining an aromatic amine structure with a fluorene class group, and a malleable conjugated system obtains better carrier transmission performance. The second compound is a compound formed by connecting benzimidazole groups with aza-carbazole groups, and a continuous pi conjugated system brings better electron flow ability, so that high electron mobility is achieved. The first compound and the second compound are applied to the organic electroluminescent device, the transmission rate of electrons and holes is balanced, the generation rate and utilization rate of excitons in a luminescent layer are improved,the turn-on voltage of the device is reduced, and the luminescent efficiency of the device is improved.

The invention discloses a top-emitting silicon-based perovskite light-emitting diode, which takes a silicon wafer as a device substrate, and a bottom metal electrode, a transition layer, a hole transport layer, a perovskite light-emitting layer, a modification layer, an electron transport layer, a transparent electrode and an anti-reflection dielectric layer are sequentially arranged on the silicon wafer. The invention also discloses a preparation method of the light emitting diode. A silicon wafer serves as a device substrate, a bottom metal electrode is evaporated on the basis of the siliconwafer, then a transition layer is prepared through a magnetron sputtering method, a hole transport layer, a perovskite light-emitting layer and a modification layer are sequentially spin-coated on the transition layer, and an electron transport layer, a transparent electrode and an anti-reflection medium are sequentially prepared through a vacuum evaporation method after spin-coating is completed. The light-emitting diode solves the problem that p-type silicon wafer energy bands are not matched enough; the difficulty that the properties of the hole transport layer on different substrates arenot unified is overcome; on the premise of ensuring normal current injection and not damaging the perovskite layer, the light extraction rate is improved as much as possible, so that the external quantum efficiency of the device is improved.

The invention discloses an anti-collision pier structure that is characterized in that detection water spraying mechanisms are arranged on an upstream face and a downstream face of a pier correspondingly. Each detection water spraying mechanism comprises a laser range finder, a laser velocimeter and a plurality of high-pressure spray heads; a high-pressure water tank is arranged on the riverbed atthe pier and is connected with a high-pressure variable-frequency water pump which is connected with a water inlet pipe; each high-pressure spray head is connected with the high-pressure water tank through a high-pressure water supply hose, and a pressure sensor is arranged in the high-pressure water tank; a waterproof box is arranged at the top of the pier, an electric control device is arrangedin the waterproof box, and the laser range finder, the laser velocimeter, the high-pressure variable-frequency water pump and the pressure sensor are all connected with the electric control device. The invention further discloses a corresponding active anti-collision method. The invention provides an active anti-collision technology, the collision energy of a ship is gradually counteracted through water jet, the instant collision of the ship colliding with a bridge is converted into long-time water spraying collision prevention, and the acting force borne by a pier in unit time is reduced byprolonging the anti-collision action time, so that the pier is effectively protected.

The invention provides an electro-optic phase modulator with low residual amplitude modulation for solving the technical problems that in the existing scheme of reducing the residual amplitude modulation, the residual amplitude modulation effect can only be weakened to a certain extent, the operation is tedious and time-consuming, the difficulty of optical path adjustment and arrangement is increased, the requirement for placement precision of electro-optic crystals is high, and miniaturization of devices is not facilitated. An electro-optic crystal with a special structure is designed, and the light-passing surface of the electro-optic crystal corresponds to a light-passing hole in a shell in position, thereby avoiding back-and-forth reflection of light beams between the two light-passingsurfaces, effectively reducing the residual amplitude modulation, and further improving the phase modulation accuracy. Under the condition that the length of the electro-optic crystals is the same, the transmission distance of the light beams in the electro-optic crystal in the invention is longer, and further, the effective length of electro-optic modulation is larger, therefore, the length andthe transverse size of the electro-optic phase modulator can be remarkably reduced, and miniaturization of the device is facilitated.

The invention discloses an engine flywheel assembly with a gearbox starting bearing. The engine flywheel assembly is structurally characterized in that a starting gear ring is inlaid on an outer ring of a flywheel; a tooth socket is processed on an outer end face of the flywheel; and a thrust bearing is inlaid in a central hole of the flywheel. 8 symmetrically distributed large threaded holes fixed with a crank shaft are arranged on an outer circumference of the central hole; a seam allowance is processed on an outer end face of the central hole and is internally provided with a small pin hole; and a large pin hole is arranged in an inner end face of the flywheel. 12 symmetrically distributed small threaded holes fixed with a clutch are arranged on a circumference of an outer end face of the flywheel; and a locating hole is arranged in the outer end face of the flywheel between the small threaded holes and the seam allowance. The flywheel is provided with the starting bearing, and a coded disc of an ECU (Engine Control Unit) for collecting crankshaft speed signals, so that when an engine is primarily assembled, fuel feed and valve timing are ensured, the functions of a traditional flywheel are realized, and meanwhile, the gearbox starting bearing of an automobile is supported.

The invention relates to a connection device (7) suitable for connecting a wiper blade to a wiper arm, including at least one means (8) for rigid connection onto the wiper blade and a means (26) for linking to the wiper arm, said connection device (7) also including at least one duct (9) in which a washing liquid can circulate, and which extends in the longitudinal direction (OX) in which the wiper blade extends, characterised in that it includes at least one area (20) arranged along the duct (9) for distributing of a plurality of openings (21) for spraying the washing liquid. The invention can be used for motor vehicles.

The invention discloses a wavelength conversion device, a light-emitting device and a laser illuminating lamp. The wavelength conversion device comprises a first reflecting substrate, a second reflecting substrate and a fluorescent layer arranged in the first reflecting substrate, wherein the first reflecting substrate and the second reflecting substrate are sequentially arranged from top to bottom, the first reflecting substrate is provided with a through hole matched with the fluorescent layer, the fluorescent layer is limited in the through hole, and the lower surface of the fluorescent layer is in contact with the upper surface of the second reflecting substrate. By forming the through hole matched with the fluorescent layer in the first reflecting substrate, the effect of positioning and limiting the fluorescent layer is played, the side wall of the through hole can reflect light emitted from the side face of the fluorescent layer back to the fluorescent layer, and formation of non-designated-direction stray light is avoided. The second reflecting substrate is arranged below the first reflecting substrate, the lower surface of the fluorescent layer is in contact with the upper surface of the second reflecting substrate, laser beams are prevented from being emitted from the lower portion of the fluorescent layer, meanwhile a heat conducting effect is played, and heat produced in the fluorescent layer is rapidly conducted out.

The invention provides an electric control device for processing inner bores of parts. The electric control device comprises a shot/sand blasting main machine, a main gas circuit, a part processing device and an electric control unit, wherein a pressure feeding hose and a pressure intake hose are connected with a mixing valve; the part processing device comprises a working rack for supporting the parts; the mixing valve is arranged on the working rack; the mixing valve is connected with an injector straight pipe; an injector head is arranged at the end part of the injector straight pipe. The electric control device for processing the inner bores of the parts provided by the invention can ensure the driving force to the shot/sand while processing the inner bores of the parts, and ensure high-speed mass-flow gas-material mixing and blasting, so as to ensure the shot blasting effect.

The invention discloses a system for treating blindness. The system for treating blindness comprises a femtosecond laser operating device, an operating table, a computer, a biological printing device,a femtosecond phase imaging device and an XYZ precise manipulator platform; the operating table is a working table used during treatment on a patient; the femtosecond laser operating device is used for removing necrotic optic cells of eyes of the patient by using femtosecond laser; the biological printing device is used for printing required live optic cells; the XYZ precise manipulator platformis used for injecting the live optic cells into the eyes; the femtosecond laser operating device is further used for repairing and adjusting the live optic cells injected into the eyes so that necrotic regions are accurately filled with the injected optic cells; the femtosecond phase imaging device is used for monitoring the whole process in real time; and the femtosecond phase imaging device andthe femtosecond laser operating device are connected with the computer to dynamically control and manage the whole process in real time by the computer. A new method and a brand-new automatic operating system device are provided for treatment of blindness of eyes.

The invention discloses a liquid injection device for an electronic cigarette production line, and relates to the technical field of electronic cigarette production. The liquid injection device comprises a bottom plate, the top of the bottom plate is connected with an intermittent pushing structure, and the intermittent pushing structure comprises a driving motor, an L-shaped plate, a semicirculargroove, a first rotating circular plate, an outer ring, a driving groove, a second rotating circular plate, a rotating rod, a rotating shaft and a driving block; wherein the outer ring is fixedly provided with a feeding cylinder used for feeding electronic cigarettes in the 0-degree direction, the outer ring is provided with a discharging hole in the 270-degree direction, the outer ring is fixedly connected with a U-shaped discharging plate used for discharging in the discharging hole, and the outer ring is provided with a quantitative injection structure used for quantitative discharging inthe 360-degree direction. Quantitative injection is realized, uniformity of the injection amount is guaranteed, and the injection quality is guaranteed.