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46results about How to "Avoid canceling each other out" patented technology

Room temperature terahertz detector based on gallium nitride high electron mobility transistor and preparation method thereof

The invention relates to the terahertz signal detection field, and especially to a room temperature terahertz detector based on a gallium nitride high electron mobility transistor and a preparation method thereof. The detector includes a gallium nitride high electron mobility transistor provided with a source electrode, a gate electrode, and a drain electrode, and also includes a nanometer antenna. The nanometer antenna is located between the source electrode and the drain electrode of the gallium nitride high electron mobility transistor and at one side of the gate electrode. The nanometer antenna is arranged at a distance from the gate electrode. One side of the gate electrode, adjacent to the nanometer antenna, is provided with a protrusion array having the corresponding shape and interval as the nanometer antenna. The protrusion array and the nanometer antenna form a tip-to-tip structure for increasing a terahertz electric field. The room temperature terahertz detector based on the gallium nitride high electron mobility transistor employs a unique nanometer antenna structure and combines a special gate electrode structure, effectively improves the coupling efficiency of the detector to a terahertz electromagnetic wave, and realizes the detection of the room temperature of the terahertz electromagnetic wave, and the high sensitive and low equivalent noise power.
Owner:侯皓文

LED bulb with efficient heat dissipation function

The invention discloses an LED bulb with an efficient heat dissipation function. The LED bulb comprises a light source, a transparent lamp cover, a lamp body and a power supply. A light source is fixedly arranged on the upper portion of the lamp body, is electrically connected with the power supply arranged in the lamp body and is a columnar light-emitting column, and a plurality of SMD LED lamp beads are distributed on the radial surface of the light source. The edge of the upper portion of the lamp body is covered by the transparent lamp cover. The bulb further comprises a reflective cover, and the reflective cover comprises a barrel body and a bottom plate. The barrel body is arranged on the light-emitting column in a sleeved mode. Light-permeable holes are formed in positions, corresponding to the LED lamp beads, of the barrel body. The top end of the barrel body protrudes out of the transparent lamp cover and is provided with a ventilating hole. A horn-shaped bottom plate for covering the lamp body stretches outwards from the edge of the bottom end of the barrel body in the radial direction. A protrusion part is arranged on the bottom plate and corresponds to the light-permeable holes. A heat dissipation channel penetrating through the LED bulb is further arranged in the LED bulb. The LED bulb is high in brightness and good in heat dissipation effect, and light emitted by the LED bulb is soft and uniform.
Owner:中山市光源世家电子有限公司

Food stirring device

The invention discloses a food stirring device.The food stirring device comprises a base, a stirring bucket, a stirring device body, a protection body, a barrel-shaped inner shell and a barrel-shaped outer shell.The stirring bucket is installed on the base, the protection body is installed on the right side of the base, and a sealing cover is arranged at the top of the stirring bucket; the inner shell and the outer shell are matched and connected to form a cavity of the stirring bucket; a spraying head is arranged in the cavity, a through hole is formed in the inner shell along a spiral line, nozzles of the spraying head and the through hole are adapted, and the spraying head is communicated with compressed air outside the stirring bucket through a pipe; the stirring device body comprises a stirring shaft, a stirring shaft sleeve, stirring shaft supporting rods and cutter fixing discs; the stirring shaft sleeve is rotationally connected to the upper end of the stirring shaft; one ends of the stirring shaft supporting rods are rotationally connected with the edge of the stirring shaft sleeve, and the other ends of the stirring shaft supporting rods are connected into sliding grooves in a sliding mode; the stirring shaft sleeve is rotationally connected with the upper end of the stirring shaft.
Owner:慈溪市环球电器有限公司

Electric driver and air vehicle and ship applying same

The invention provides an electric driver for an air vehicle and a ship. The electric driver comprises a motor output shaft; the electric driver further comprises a first rotor system, a second rotor system and a synchronous output system; the first rotor system comprises a first rotor and a first stator which are coaxially arranged; the second rotor system comprises a second rotor and a second stator which are coaxially arranged, and the first rotor and the second rotor are coaxially arranged; the synchronous output system comprises a sun gear, planet gears, planet carriers and a gear ring; the planet gears surround the sun gear and are meshed with the sun gear; the gear ring is arranged outside the planet gears in a sleeving mode and meshed with the planet gears; the planet gears are supported on the planet carriers; the sun gear, the gear ring and the planet gears have a two-input one-output relation, that is to say, any two of the sun gear, the gear ring and the planet gears are driven by the first rotor and the second rotor to rotate respectively, and the rest one is fixedly connected with the motor output shaft. According to the electric driver, by arranging the synchronous output system, rotating of the first rotor and rotating of the second rotor are synchronously output to the motor output shaft, mutual counteracting of output torque of the first rotor and the second rotor is avoided, the motor efficiency is significantly improved, and not only is the power higher, but also energy is effectively saved. The invention further provides the air vehicle and the ship applying the electric driver.
Owner:ZHUHAI PANSHI ELECTRONICS TECH CO LTD

Miniaturized Vivaldi antenna based on bent branch loading technology

The invention provides a miniaturized Vivaldi antenna based on a bent branch loading technology, which comprises a dielectric substrate and metal patches covering the upper surface and the lower surface of the dielectric substrate respectively, wherein the metal patch on the lower surface is a microstrip feeder; the metal patch on the upper surface comprises a ground plate; conical sheets and bent branches are horizontally symmetrically arranged above the ground plate; the conical sheet is formed by an inner slot line, an outer slot line and a right angle in a surrounding mode; the center axis of the ground plate is provided with a section of vertical slot line; the inner slot line of the conical sheet is connected above the slot line; a round slot is connected below the vertical slot line; the inner slot line and the outer slot line are exponential type curves; and each bent branch is formed by a vertical branch and a transverse branch in a mutual vertical splicing mode. the whole space structure of the antenna is compact, side feed is adopted, and the space occupied by the antenna in the vertical direction is reduced; through increasing one pair of bent branches, extra resonant frequency points are added in a low frequency band, the bandwidth of the antenna is widened, understanding is easy, and the miniaturization scheme of the antenna has strong portability.
Owner:UNIV OF ELECTRONIC SCI & TECH OF CHINA

Establishing method and application of asthma-like chronic obstructive pulmonary overlap airway inflammation mouse model

The invention discloses an establishing method and application of an asthma-like chronic obstructive pulmonary overlap airway inflammation mouse model. The model is constructed by any one of the following modes: S1, smoking and aspergillus protease induced ACO-like model: enabling mice to inhale smoke of cigarettes every day from the 0th day; after smoking treatment is completed for 3-7 days, enabling an aspergillus protease solution to be dropwise added into the noses to sensitize the mice, wherein an ACO-like model is constructed; S2, preparing an ACO-like model induced by nano carbon blackparticles and aspergillus protease: intranasally dripping the nano carbon black particles into the anesthetized mice from the 0th day, wherein after the nano carbon black particles are treated for 2 weeks, an aspergillus protease solution is dropwise added into the noses to sensitize mice, and an ACO-like model is constructed. The constructed ACO-like model can simulate the characteristic that asthma chronic obstructive pulmonary overlap occurs in the later stage of diseases of patients with chronic obstructive pulmonary disease clinically, and an experimental animal model is provided for ACOmorbidity mechanism and drug treatment research.
Owner:THE FIRST AFFILIATED HOSPITAL OF SUN YAT SEN UNIV

Veterinary medicine used for treating poultry diarrhea and preparation technology thereof

The invention discloses a veterinary medicine used for treating poultry diarrhea and a preparation technology thereof. The veterinary medicine used for treating poultry diarrhea comprises an inflammation diminishing layer, a sustained-release layer and a diarrhea alleviating layer which are sequentially adhered from the outside to the inside; the inflammation diminishing layer is prepared from thefollowing raw materials in parts by weight: 10-15 parts of rhizoma coptidis, 20-35 parts of roots of Chinese pulsatilla, 9-17 parts of kudzuvine roots, 10-20 parts of honeysuckle flowers, 10-15 partsof cogon grass rhizome, 3-15 parts of fructus forsythiae, 8-19 parts of baical skullcap roots, and 13-17 parts of herba houttuyniae; the sustained-release layer is prepared from the following raw materials in parts by weight: 80-90 parts of corn flour, 50-60 parts of soybean flour, and 5-10 parts of an adhesive; and the diarrhea alleviating layer is prepared from the following raw materials in parts by weight: 3-5 parts of rhizoma coptidis, 5-15 parts of white atractylodes rhizome, 17-25 parts of baked ginger, 10-15 parts of Chinese yams, 3-6 parts of radix astragali, 1-3 parts of Chinese angelica roots, 5-7 parts of white peony, 5-13 parts of corydalis tubers (yanhusuo), 5-12 parts of radix aucklandiae, 5-8 parts of radix sanguisorbae, 5-9 parts of halloysite, 9-23 parts of cutch, and 10-20 parts of liquorice roots. The veterinary medicine used for treating poultry diarrhea is capable of performing anti-inflammatory treatment on poultry before realizing of the anti-diarrhea effect; and thus, relatively good diarrhea alleviating effects can be achieved on the poultry.
Owner:王善波

LED bulb with transparent lampshade

The invention discloses an LED bulb with a transparent lampshade. The LED bulb with the transparent lampshade comprises a light source, the transparent lampshade, a lamp body and a power source, wherein the light source is fixedly arranged at the top of the lamp body and is electrically connected with the power source inside the lamp body, the transparent lampshade and the lamp body seal the light source, the light source is a cylindrical light-emitting pillar, and a plurality of surface-mounted LED beads are distributed on the radial surface of the light-emitting pillar. The LED bulb further comprises a light reflection cover, wherein the light reflection cover comprises a barrel body and a base plate, the barrel body is arranged outside the light-emitting pillar in a sleeved mode, light-permeating holes are formed in the positions, corresponding to the LED beads, of the barrel body, the top end of the barrel body is sealed, the radial edge at the bottom end extends out of the horn-shaped base plate of the covered lamp body, a protruding part is arranged on the base plate and corresponds to the light-permeating holes, and the lamp body further comprises a connecting part used for separating the heat generated by the light source and the heat generated by the power source. The LED bulb is high in brightness, soft and uniform in light, long in service life and low in manufacturing cost.
Owner:江门市欧瑞特照明科技有限公司

Dual-purpose heat pump device for winter and summer

The invention discloses a heat pump device which can be used both in summer and winter. The heat pump device comprises a compressor, a heat source side heat exchanger, a user side heat interchanger, a throttling mechanism and a four-way valve; and the heat pump device also comprises a second heat interchanger, a second throttling mechanism and a second four-way valve. The four-way valve is provided with four nodes, a four-way valve node is connected with the output end of the compressor through a pipeline, the four-way valve node is connected with the input end of the compressor through the pipeline, the four-way valve node is connected with one end of the user side heat interchanger through the pipeline, the four-way valve node is connected to the node of the four-way valve through the pipeline, the other node of the four-way valve is connected with the other ends of the user side heat interchanger in sequence through the pipeline and the throttling mechanism, the four-way valve node is connected with one end of the heat source side heat exchanger, and the other end of the heat source side heat exchanger is connected with the four-way valve node through the throttling mechanism and the second heat interchanger. The heat pump device produces the hot water to refrigerate or heat in the operation process. The recycling produces the low temperature afterheat. In the process of refrigeration cycle in summer and heating cycle in winter, the super cooling of a refrigeration agent can be realized. The invention is suitable for the industrial and civil use.
Owner:XI'AN UNIVERSITY OF ARCHITECTURE AND TECHNOLOGY

Flapping-like rotor aircraft

The invention discloses a flapping-like rotor aircraft, which is characterized in that revolution spindles of flapping rotors are arranged on the two sides of a fuselage through flapping rotor supports, meanwhile, a front rotating arm and a rear rotating arm are correspondingly and perpendicularly fixed to the head end and the tail end of each revolution spindle respectively, and autorotation spindles are rotationally connected with the front rotating arms and the rear rotating arms respectively and located on the two sides of the revolution spindles respectively; a revolution motor drives therevolution spindle to revolve for a circle through a revolution transmission gear set, the revolution spindle drives the autorotation spindle to autorotate for a half circle through an autorotation transmission device, retractable upper single wings are arranged on the two sides of the back of the fuselage respectively, the height difference between the retractable upper single wings and the flapping rotor support is greater than the sum of the heights of the front rotating arm and the rotor mechanism, and meanwhile, the controller is electrically connected with the retractable upper single wing and a jet engine to control the working states of the retractable upper single wing and the jet engine. The invention provides a flapping-like rotor aircraft which improves the ascending efficiency and the navigation speed.
Owner:GUANGDONG GUOSHIJIAN TECH DEV CO LTD

Modified rotary type water supply device used for spray system

InactiveCN102886321AIncreased impeller thrustExtended service lifeSpray nozzlesImpellerWater pipe
The invention relates to a water supply device, in particular to a modified rotary type water supply device used for a spray system. The water supply device comprises a main body (1), wherein a water cavity is arranged in the main body, the water cavity is provided with a water inlet pipe (2) connected with the water pump, a rotary impeller structure is arranged in the water cavity, a water pipe (15) is integrally arranged on the upper end of the rotary impeller structure, a center shaft (18) is arranged on the lower end of the rotary impeller structure, the rotary impeller structure (3) comprises main impellers (17), the water pipe penetrates through an upper bearing seat (5), the lower end of the main body is matched with a lower bearing seat (6), the water supply device is characterized in that the rotary impeller structure is divided into a reverse umbrella-shaped upper impeller (10), a middle impeller (11) and a lower impeller (12), wherein the reverse umbrella-shaped upper impeller (10), the middle impeller (11) and the lower impeller (12) are vertically connected through screws so as to form an integrated structure, an auxiliary impeller (9) is arranged between every two main impellers (17), a projection part on the upper end of the upper bearing seat (5) is provided with first drainage holes (7) which are arranged at an equal distance, and the lower bearing seat (6) is provided with second drainage holes (8) which are arranged at an equal distance. By adopting the technical scheme, the water supply device has the advantages of reasonable design, easiness in discharging ponding in the water cavity, long service life of the bearing, and strong impeller thrust.

Control method of input device

The embodiment of the invention relates to a control method of an input device. The control method comprises the steps that a signal level judgment module determines whether an annular coil with the signal level larger than a first voltage threshold exists in a rough measurement feedback signal or not; if yes, the controller extracts a preset high voltage threshold value and a preset low voltage threshold value in the memory; the controller extracts a large voltage rough measurement coil and a small voltage rough measurement coil in the rough measurement feedback signals; the coil selection module is used for connecting the large-voltage rough measurement coils with the signal sending module in sequence according to the fine measurement instruction; the coil selection module is used for sequentially connecting the small-voltage rough measurement coils with the signal sending module through the phase reversal module; the signal receiving and processing module receives the accurate measurement feedback signal and sends the accurate measurement feedback signal to the controller; the signal level judgment module determines whether an annular coil of which the signal level is greater than a second voltage threshold exists in the accurate measurement feedback signal or not; if so, the controller extracts the maximum voltage fine coil and the minimum voltage fine coil in the fine feedback signal and generates an indication coordinate value.
Owner:北京碧云数创科技有限公司

Room temperature terahertz detector based on gallium nitride high electron mobility transistor and its preparation method

The invention relates to the terahertz signal detection field, and especially to a room temperature terahertz detector based on a gallium nitride high electron mobility transistor and a preparation method thereof. The detector includes a gallium nitride high electron mobility transistor provided with a source electrode, a gate electrode, and a drain electrode, and also includes a nanometer antenna. The nanometer antenna is located between the source electrode and the drain electrode of the gallium nitride high electron mobility transistor and at one side of the gate electrode. The nanometer antenna is arranged at a distance from the gate electrode. One side of the gate electrode, adjacent to the nanometer antenna, is provided with a protrusion array having the corresponding shape and interval as the nanometer antenna. The protrusion array and the nanometer antenna form a tip-to-tip structure for increasing a terahertz electric field. The room temperature terahertz detector based on the gallium nitride high electron mobility transistor employs a unique nanometer antenna structure and combines a special gate electrode structure, effectively improves the coupling efficiency of the detector to a terahertz electromagnetic wave, and realizes the detection of the room temperature of the terahertz electromagnetic wave, and the high sensitive and low equivalent noise power.
Owner:侯皓文

An Improved Hammer Drill

ActiveCN105781409BAchieve periodic changesSolve the problem of scaling controlDrill bitsConstructionsHydraulic cylinderDrive wheel
The invention discloses an improved percussion drill. The improved percussion drill comprises a drill bit mechanism, wherein the drill bit mechanism is connected with an impact mechanism, and the impact mechanism is connected with a hydraulic mechanism; the impact mechanism comprises a mounting box, a hydraulic chamber is formed in the mounting box, two hydraulic cylinders are connected to the hydraulic chamber, the tops of the hydraulic cylinders are connected to the bottom of a base, pipelines communicated with the hydraulic cylinders are arranged on the hydraulic chamber, bypass pressure-relief pipes are arranged on the side walls of the pipelines, the bottoms of the pipelines are hinged with end covers, two first drive wheels are arranged in the hydraulic chamber, first connecting rods are in shaft connection with the first drive wheels, the tops of the first connecting rods are connected to end covers through first spring bodies, the hydraulic chamber is connected with an elastic film layer through a second spring body, the outer side of the elastic film layer is connected with a hard outer edge, a second drive wheel is arranged in the hydraulic chamber, and a plurality of clamping grooves are uniformly formed in the outer side edge of the second drive wheel. Defects in the prior art can be overcome, and high-frequency impact force with multiple frequencies can be provided.
Owner:泾县吉祥纸业有限公司

A kind of LED light bulb with efficient heat dissipation

The invention discloses an LED bulb with an efficient heat dissipation function. The LED bulb comprises a light source, a transparent lamp cover, a lamp body and a power supply. A light source is fixedly arranged on the upper portion of the lamp body, is electrically connected with the power supply arranged in the lamp body and is a columnar light-emitting column, and a plurality of SMD LED lamp beads are distributed on the radial surface of the light source. The edge of the upper portion of the lamp body is covered by the transparent lamp cover. The bulb further comprises a reflective cover, and the reflective cover comprises a barrel body and a bottom plate. The barrel body is arranged on the light-emitting column in a sleeved mode. Light-permeable holes are formed in positions, corresponding to the LED lamp beads, of the barrel body. The top end of the barrel body protrudes out of the transparent lamp cover and is provided with a ventilating hole. A horn-shaped bottom plate for covering the lamp body stretches outwards from the edge of the bottom end of the barrel body in the radial direction. A protrusion part is arranged on the bottom plate and corresponds to the light-permeable holes. A heat dissipation channel penetrating through the LED bulb is further arranged in the LED bulb. The LED bulb is high in brightness and good in heat dissipation effect, and light emitted by the LED bulb is soft and uniform.
Owner:中山市光源世家电子有限公司
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