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39results about How to "Good market effect" patented technology

Full-bridge zero-voltage boost switching resonant converter based on LLC used for UPS

The invention discloses a full-bridge zero-voltage boost switching resonant converter based on LLC used for UPS. The converter is characterized in that resonant converting circuit in DC/DC convertingmodule is full-bridge LLC resonant converting circuit and the converting circuit comprises switch bridge which is composed of four main switching tubes through full-bridge connection, main transformerof which primary winding is in parallel with excited inductor, series resonance inductors connected with the main transformer, series resonance capacitors, and LLC resonance network composed of excited inductor, series resonance inductors and series resonance capacitors, wherein the network is connected with the two output ends of the switch full-bridge, and output sides of the main transformer is synchronous full wave rectifying circuit composed of two groups of rectifying diodes and are separately connected with two output capacitors sharing the same ground wire. The full-bridge zero-voltage boost switching resonant converter of the invention overcomes the defect that switch tube zero-voltage conduction in full scope is hard to realize, the work is easy to reach optimal state, the testvalue of the practical boosting circuit efficiency is about 95%, the volume of electromagnetic elements is reduced, the circuit is simplified and the cost is reduced.
Owner:VERTIV CORP

Method of constructing ecological revetment for intensively intercepting and clearing non-point pollution based on organisms

The invention relates to a method of constructing an ecological revetment for intensively intercepting and clearing non-point pollution based on organisms, which comprises the steps of investigating hydrologic conditions of a river, determining non-point pollution load and hydraulic retention time of a riparian zone in a unit length, analyzing characteristics of the non-point pollution along the river, screening a high-efficiency bacterium which can efficiently remove the non-point pollution or constructing gene engineering bacteria capable of removing nondegradable organic pollutants, constructing hollow hexahedral ecological revetment members, and growing plants in the members, thereby constructing the ecological revetment. Compared with the prior art, with the adoption of the method, the non-point pollution, particularly the nondegradable organic pollutants, can be removed effectively, the river pollution load can be decreased, potential ecological risks of the non-point pollution to a river ecosystem are reduced, and local raw materials are utilized to improve the environmental compatibility of the members, so that good habitat conditions are provided for the growth of microbial communities and vegetations at the riparian zone, and the mechanical stability of the riparian zone is improved.
Owner:TONGJI UNIV

Technology preparing method for keeping original color of bamboo chip and preventing mosquitoes

The invention discloses a technology preparing method for keeping the original color of a bamboo chip and preventing mosquitoes, and relates to the field of the bamboo preparing technology. The problems that in existing bamboo weaving, when manufacturing is conducted after weaving, immersing or moth preventing and corrosion preventing treatment needs to be conducted, meanwhile, the original color of the bamboo cannot be kept, and a woven bed mat and the like cannot prevent the mosquitoes or corrosion or the like for a long time are solved. Through selection of a solid copper sulfate solution and an initiating agent, the bamboo chip is helped to keep the primary color, the strength and tenacity of the bamboo chip can be improved, the bamboo chip is immersed in the traditional Chinese medicine formed through decocting of cablin patchouli, golden larch barks, fructus toosendan, alumen, camphor, tomato leaves and tomato stems, so that the bamboo chip prevents the mosquitoes and corrosion and prevents the body disease. According to the technology preparing method, the color of the bamboo chip can be kept for a long time, and when the bamboo chip is woven into bedding articles, the mosquito preventing and corrosion preventing effects can be achieved effectively.
Owner:FUNAN COUNTY TIANYI CRAFTS

Cervical gear and manufacturing method thereof

InactiveCN107049581ASolve the disadvantages in the productionGood market effectAdditive manufacturing apparatusFractureGynecologyFront edge
Disclosed is a cervical gear which is used for conducting rehabilitation on the human cervical spine. The cervical gear comprises a front cervical gear and a rear cervical gear, the cervical gear is in a shape that the round edge of the upper opening turns outwards, the middle retracts inwards, and the lower opening spreads downwards, the upper opening of the cervical gear plays a role of supporting the head regarding the human cervical spine, and the lower opening plays a role of placing the human cervical spine. The front cervical gear and the rear cervical gear are connected through a clamping groove structure, the protrusion of the rear edge of the front cervical gear is correspondingly matched with the groove of the front edge of the rear cervical gear, and fixing and positioning of the front cervical gear and the rear cervical gear while the cervical gear is worn is achieved. The rear cervical gear is provided with a reinforcing bar which heaves outwards. The reinforcing bar of the rear cervical gear is provided with small holes, the small holes are used for tying magic straps, and the magnetic straps are utilized to achieve adjustment of degree of tightness when the cervical gear is worn. The surface of the cervical gear is provided with multiple through holes used for conducting ventilation.
Owner:三的部落(上海)科技股份有限公司

Method of constructing ecological revetment for intensively intercepting and clearing non-point pollution based on organisms

The invention relates to a method of constructing an ecological revetment for intensively intercepting and clearing non-point pollution based on organisms, which comprises the steps of investigating hydrologic conditions of a river, determining non-point pollution load and hydraulic retention time of a riparian zone in a unit length, analyzing characteristics of the non-point pollution along the river, screening a high-efficiency bacterium which can efficiently remove the non-point pollution or constructing gene engineering bacteria capable of removing nondegradable organic pollutants, constructing hollow hexahedral ecological revetment members, and growing plants in the members, thereby constructing the ecological revetment. Compared with the prior art, with the adoption of the method, the non-point pollution, particularly the nondegradable organic pollutants, can be removed effectively, the river pollution load can be decreased, potential ecological risks of the non-point pollution to a river ecosystem are reduced, and local raw materials are utilized to improve the environmental compatibility of the members, so that good habitat conditions are provided for the growth of microbial communities and vegetations at the riparian zone, and the mechanical stability of the riparian zone is improved.
Owner:TONGJI UNIV

Biomethanation system for coupling renewable energy hydrogen production with power plant to capture carbon dioxide

The invention relates to a biological methanation system for coupling renewable energy hydrogen production with power plant carbon dioxide capture. The system comprises a renewable energy hydrogen production subsystem used for receiving renewable energy power generation and electrolyzing water to obtain oxygen and hydrogen serving as a substrate gas; a carbon dioxide trapping subsystem which is used for trapping and recovering carbon dioxide serving as substrate gas by taking the flue gas of the power plant as a source; and a H2 / CO2 biological methanation subsystem which is used for generating methane through the metabolism of methanogens by taking hydrogen and carbon dioxide as substrate gases and merging the methane into a natural gas pipeline network. Compared with the prior art, the system has the advantages of better methane reaction effect, higher carbon dioxide conversion efficiency, smaller energy loss, high efficiency, reliability, modular construction, high expansibility, great popularization and application potential and the like. A novel green energy recycling system is constructed by applying various green low-carbon technologies. Thus, deep consumption of renewable energy sources and reduction treatment of carbon dioxide are realized.
Owner:SHANGHAI UNIVERSITY OF ELECTRIC POWER

A liquid composite spring push-pull vacuum liquid injection machine and liquid injection method

The invention discloses a liquid composite spring push-pull type vacuum liquid injection machine and a liquid injection method, comprising a vacuum pump, a vacuum pump solenoid valve, a vacuum quick-change joint, an oil tank, a gas-liquid separator, a high-pressure water pump, a high-pressure water pump solenoid valve, a liquid discharge Solenoid valve; the vacuum pump is connected to the gas-liquid separator, the gas-liquid separator is connected to the solenoid valve of the vacuum pump, and the solenoid valve of the vacuum pump is connected to the vacuum quick-change joint; the bottom of the gas-liquid separator is connected to the drain solenoid valve, and the drain solenoid valve is connected to the oil tank. The upper part of the gas-liquid separator is divided into two cavities, and the two cavities are respectively connected with the vacuum pump and the liquid composite spring. When recovering the medium, the negative pressure and liquid gravity are used to reflow and separate the cavity separation, so as to realize the gas-liquid separate. The invention can realize on-site liquid injection and on-site mobile inspection, realize liquid injection and pressure maintenance and medium recovery, fully separate gas and liquid during medium recovery, prevent the medium from flowing into the vacuum pump, and prevent damage to the vacuum pump.
Owner:ZHUZHOU TIMES NEW MATERIALS TECH

A smart diaphragm and laser calibration method

The invention provides an intelligent diaphragm and an automatic laser calibration method. The intelligent diaphragm is composed of multiple crystalline silicon photocells forming an enclosed centrally-symmetric structure, a diaphragm light transmission aperture formed by multiple crystalline silicon photocells through enclosure and an internal structure. The automatic calibration method is utilized, the to-be-calibrated laser is reflected through an electric mirror adjusting frame to pass through the intelligent diaphragm, a received optical signal is converted by the intelligent diaphragm toobtain voltage signals of corresponding paths, the obtained voltage signal data value is sent by a current / voltage conversion circuit comparator to an electric mirror adjusting frame controller, thelight paths passing through the electric mirror adjusting frame are controlled for adjustment so that the center of a spot of the to-be-calibrated laser passing through the intelligent diaphragm coincides with the center of the intelligent diaphragm, and automatic calibration of the to-be-calibrated laser is achieved. The intelligent diaphragm is advantaged in that the silicon photocells are packaged, cost is low, the intelligent diaphragm is easy for realization, the laser can be rapidly and conveniently collimated, and high-precision collimation laser output is obtained.
Owner:AVIC BEIJING AERONAUTICAL MFG TECH RES INST

Solid wood out-opening door and window with good sealing performance

The invention discloses a solid wood out-opening door and window with good sealing performance. Three seals are used in a fixing and lap joint position of a wood leaf frame and a wood frame, or the three seals are used in a fixing position of the wood leaf frame and the wood frame and a lap joint position of the wood leaf frame and a wood mullion, wherein the three seals are formed by two sealing rubber strips A and B in lap joint at the indoor side, a sealing rubber strip C, which is at the outdoor side, is in lap joint on the wood frame or in lap joint on the outdoor side of the wood mullion and is fixed in the edge part of the outdoor side of the wood leaf frame and an isobaric rubber strip D arranged in the middle; the distance between the rotating hardware surface on the wood leaf frame and the hardware surface arranged on the wood frame or the wood mullion accords with the common hardware installing dimension; the extending-out outermost end surface of each rubber strip baffle wall is aligned with the rotating hardware surface; the distance between the extending-out outermost end surface of each rubber strip lug boss and the outermost end surface of the indoor side edge part for fixing the sealing rubber strip A meets the requirement of the glass installing depth relative to the groove. The solid wood out-opening door and window has the advantages that heat insulation and sound isolation effects are achieved; the energy-saving and heat preservation effects are good; and the hardware manufacturing cost is low.
Owner:HEBEI ORIENT SUNDAR WINDOW

Preparation method for deep sea fish ball

The invention discloses a preparation method for a deep sea fish ball. The method comprises the following steps: preparing raw materials including fresh fish meat, auxiliary materials and flavoring agents; pulping; forming the fish ball, wherein the auxiliary materials include 100-200g ice blocks, 5-15g brittle phosphorus, 6-8g rich phosphorus, 30-60g salt, 1-8g special flavor enhancer, 15-35g white sugar, 2-6g fish essence and 500-1000g starch; the flavoring agents include the following components by weight part: 1.2-4.1 parts of meat tenderizer, 1.3-3.3 parts of sodium lactate, 1.1-3.4 parts of soybean sauce essence, 2.2-4.4 parts of roast beef essence, 1.6-8.9 parts of ethyl maltol, 1.8-3.8 parts of sodium ethylparaben, 1.8-6.4 parts of Maotai spirit essence, 1.2-10.1 parts of VB5, 2.1-4.6 parts of moon cake preservatives, 1.6-2.3 parts of magnesium gluconate, 1.2-4.6 parts of chocolate brown, 1.5-3.9 parts of water-soluble nipagin ester, 1.9-6.6 parts of super soybean sauce essence, 1.2-2.2 parts of sodium dehydroacetate, 1.4-6.3 parts of canned sorghum red meat, 1.1-3.3 parts of ferrous gluconate, 1.2-3.1 parts of roasted goose fragrance thickener and 1.3-3.5 parts of carmine. The preparation method provided by the invention is simple; the special flavoring agent is adopted, so that the flavor of the fish ball is unique; the market effect is good.
Owner:NANJING DADI REFRIGERATION FOOD
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