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40results about How to "Big room for development" patented technology

External internet-of-things smart-phone call-out elevator wireless simulation artificial-triggering device

The invention discloses an external internet-of-things smart-phone call-out elevator wireless simulation artificial-triggering device. The device comprises externally arranged button controllers on elevator rooms of all floors, the button controllers comprise button control boxes, the part, on one side of each button control box, of a box body covers corresponding elevator buttons, the part, on the other side of each button control box, of the box body is fixedly installed on a wall, a button touching mechanism is arranged inside the part, on one side of each button control box, of the box body, and a button driving mechanism is arranged inside the part, on the other side of each button control box, of the box body. The button touching mechanisms comprise inner and outer touching buttons, and the outer touching buttons press the elevator buttons through the inner touching buttons in a touching mode. The button driving mechanisms comprise telescopic shafts, transmission rods and cams, wherein the transmission rods are arranged in the left-right direction. Wireless signal receiving and transmitting devices are further arranged inside the box bodies and used for receiving wireless signal instructions and controlling the cams to rotate, and at the maximum eccentric positions of the cams, the telescopic shafts push the inner touching buttons to touch the elevator buttons through the transmission rods. The device is arranged outside the elevator rooms, corresponds to the elevator buttons, is only responsible for controlling the elevator buttons and does not affect safe and normal usage of an elevator.
Owner:冯新州

Efficient porous structure representation and optimization method

The invention discloses an efficient porous structure representation and optimization method, and belongs to the field of computer aided design. The method comprises the following steps: firstly, giving a representation method of a multi-scale porous structure described by a function, and designing an optimization framework based on the function representation; secondly, establishing an optimization problem model by taking structural energy minimization as a target and taking volume and gradient as constraints; and finally, performing topological optimization and then performing geometric optimization, and performing optimization design on the topology and the thickness of the porous structure to obtain an optimization model filled with the porous structure. According to the method, the porous structure is completely expressed, analyzed, optimized and stored functionally, so the calculation complexity is greatly reduced, the design and optimization period is greatly shortened, and an optimization model with high structural hardness and rigidity under volume constraint can be provided. The structure is suitable for a common 3D printing manufacturing technology, the internal structure in the printing process does not need extra support, and printing time and printing materials can be saved.
Owner:DALIAN UNIV OF TECH

Arm length adjusting device for upper limb exoskeleton rehabilitation robot

ActiveCN106551777ARealize arm length adjustment functionEffective trainingChiropractic devicesEngineeringUpper limb
The invention belongs to the related field of medical rehabilitation training equipment, and particularly discloses an arm length adjusting device for an upper limb exoskeleton rehabilitation robot. The arm length adjusting device comprises an upper left bracket, an upper right bracket, a lower bracket and a worm and gear assembly. The worm and gear assembly is arranged between the upper bracket and the lower bracket, and comprises a worm wheel, a worm and a screw rod. The screw rod is fixed between the upper left bracket and the upper right bracket in the axial direction. The screw rod is mounted between the upper left bracket and the lower bracket. The worm wheel is coaxially mounted above the screw rod. A rocker component is arranged at the right end of the upper right bracket and is connected with the right end of the worm. A polished rod is arranged between the upper right bracket and the lower bracket. The screw rod and the polished rod penetrate through a horizontal connecting plate and a lower movable rack between the upper bracket and the lower bracket. An up-down moving component is fixedly mounted on the same sides of the horizontal connecting plate and the lower movable rack. The arm length adjusting device can realize the arm length adjusting function of the shoulder-elbow part of the upper limb exoskeleton rehabilitation robot, and is suitable for upper limb sizes of different patients, and the adjusting step is simple and easy.
Owner:HUAZHONG UNIV OF SCI & TECH

Method for preparing copper film through controlled atmosphere cold spraying

The invention discloses a method for preparing a copper film through controlled atmosphere cold spraying. The method comprises the steps that firstly, original copper powder is conveyed into a powder oxygen content control unit, copper oxide on the surfaces of copper powder particles is reduced into copper, and the oxygen content of the copper powder is reduced; secondly, the copper powder treated through the powder oxygen content control unit is conveyed into a powder granularity control and powder feeding unit, the input copper powder is scattered and screened, and the granularity of the output copper powder particles is controlled within the set range; thirdly, the copper powder treated in the second step is conveyed into a cold spraying nozzle in a controlled oxygen partial pressure cavity; and fourthly, the speed and temperature of the copper powder particles are regulated and controlled through a gas pressure, flow and temperature control unit, and the copper powder particles in the controlled oxygen partial pressure cavity collide with base body depositions to form the copper film. The film obtained through the method is dense in structure and low in oxygen content, the conductivity is not lower than 80% that of corresponding component dense block materials, and the film is superior to a traditional electrolysis or copper electroplating film in the aspects of environment protection and cost.
Owner:XI AN JIAOTONG UNIV

Block chain complex transaction verification method and device based on game model

The invention discloses a block chain complex transaction verification method and device based on a game model. The method comprises the following steps: electing verification nodes for processing a to-be-verified transaction to form a committee; carrying out deduction under the chain to obtain the verification difficulty and the final state of the to-be-verified transaction, determining a verification time limit and a deposit limit according to the verification difficulty, adding excitation, and broadcasting the information to a committee; enabling the committee to detect the transaction deposit capacity and the conflict situation, and initializing the voting container if the transaction deposit capacity and the conflict situation succeed and meet the complexity lower limit requirement; enabling the verifier in the container to independently complete verification within the verification period and commit and broadcast the verification result by adopting a cryptography commitment scheme; and after all the verification nodes complete the commitment of the verification result or the verification time is equal to the verification time limit, enabling the committee to clear the commitment verification result of the verification nodes, and carrying out rewards and punishment on the verification nodes according to the clearing result. According to the method, the correctness, universality, consistency, excitation compatibility and public verifiable capability of a verification result are ensured.
Owner:BEIHANG UNIV

Free-falling body type well drilling machine

The invention discloses a free-falling body type well drilling machine. The free-falling body type well drilling machine comprises a power rod, a hollow hammer, a rotary plate, a power mechanism, a power arm and a well tube, wherein the lower end of the power rod is bulged with an impact boss; an impact hole is formed in the lower part of the impact boss; the hollow hammer is arranged on the power rod in a up-down sliding manner in a sleeving mode; the rotary plate is I-shaped, and arranged at the upper end of the power rod; the power mechanism is used for driving the rotary plate to rotate; the upper end of the power arm is hinged in a groove of the rotary plate, and fixedly provided with a push rod which is positioned at the rear side, along a rotary direction of the rotary plate, of the power arm; the lower end of the power arm is connected with the hollow hammer by a stay cord; a stay cord guide plate is further arranged on the power rod in the sleeving mode; two guide devices are symmetrically arranged at the two sides of the stay cord guide plate; the upper part of the well tube is movably arranged in the impact hole in the sleeving mode; and the lower end of the well tube is pointed, and a plurality of water inlets are formed in the lower part of the well tube. The free-falling body type well drilling machine is simple in structure, convenient to assemble and carry, firm and durable in use, convenient to open, and labor-saving.
Owner:上海趣就业教育科技有限公司

Light-color raw lacquer resin and preparation method thereof

The invention discloses light-color raw lacquer resin and a preparation method thereof. The light-color raw lacquer resin comprises the following raw materials in percentage by weight: 10%-18% of urushiol, 5%-7% of an etherified reagent, 0.5%-1% of a base catalyst, 0.02%-0.05% of a color reducing agent, 10%-12% of vegetable oil, 8%-10% of rosin, 2%-5% of dicarboxylic anhydride and 51.96%-57.48% of solvent oil, wherein the weight sum of the raw materials is 100%. During preparation, a urushiol solvent oil mixed solution is prepared firstly, then the color reducing agent and the etherified reagent are added into the urushiol solvent oil mixed solution for reaction, finally, the vegetable oil, rosin and dicarboxylic anhydride are added, the mixture is heated to 180-200 DEG C, the reaction is kept for 2-4 h, heating is stopped after reaching the reaction endpoint, the material is cooled to be 90 DEG C or below, and the solvent oil is added, so that the light-color raw lacquer resin is obtained. The light-color raw lacquer resin disclosed by the invention is free of raw lacquer sensitivity, light in color, simple in color matching, good in dryness, and convenient to construct and can be sprayed, coated and brushed. A paint film keeps excellent performance of the raw lacquer and meanwhile, has the characteristics of being light in color, environmentally friendly, high in flexibility, resistant to corrosion, resistant to water and the like.
Owner:中华全国供销合作总社西安生漆涂料研究所

Frequency conversion PLC (programmable logic controller) management system for parking lot

The invention discloses a frequency conversion PLC (programmable logic controller) management system for a parking lot, which comprises a PLC control module, a frequency converter and a sensor module, wherein the PLC of the PLC control module is responsible for processing logic relationships of various signals; the frequency converter drags a motor on a railing at an entrance of the parking lot; the railing is switched on or off by using the frequency converter to control the forward/reverse rotation of the motor; the sensor module is used for detecting whether the opening or closing of the railing is in place or not; when the railing is opened to be in place, the detection of the sensor is stopped by forward rotation; and when the railing is closed, the detection of the sensor is stopped by reverse rotation. According to the invention, the reliability of an operation system can be improved; meanwhile, the PLC has a function of communicating with an upper computer, therefore, the frequency conversion PLC management system provides convenience to remote networking real-time control. The frequency conversion PLC management system has wide development space and potential for greatly enhancing the establishment for intelligent management of automobile parking, and in particular quickness, convenience and safety.
Owner:沈诗文

Self-adaption length adjusting device

The invention discloses a self-adaption length adjusting device. The self-adaption length adjusting device comprises an upper connecting assembly, a tensioning adjusting assembly and a lower connecting assembly; the upper connecting assembly comprises an upper disc assembly, an upper support and an upper movable rack; the upper disc assembly is installed on the upper support; the upper support comprises an upper connecting frame and an extension frame; the bottom of the upper connecting frame is downward provided with the extension frame; the upper support is vertically provided with a sliding groove; the upper movable frame can vertically slide inside the sliding groove; the lower connecting assembly comprises a lower support and a lower disc assembly; the lower disc assembly is installed on the lower support; the lower support is fixedly installed on the upper movable frame; the tensioning adjusting assembly comprises a guiding supporting rod, a movement base, a left connecting rod sliding block mechanism and a right connecting rod sliding block mechanism; the bottom of the upper connecting frame is downward provided with a guiding supporting rod; the movable base flexibly penetrate the guiding supporting rod. The self-adaption length adjusting device skillfully utilizes the connecting rod sliding block mechanisms and a compression spring, self-adaptively adjust a target mechanism through the conform capability of a mechanical structure and is safe and reliable.
Owner:HUAZHONG UNIV OF SCI & TECH

Novel vestibular rehabilitation equipment group based on virtual technology reality

The invention discloses a novel vestibular rehabilitation equipment group based on virtual technology reality. The novel vestibular rehabilitation equipment group comprises a VR head display, a VR display screen, an optical motion capture system, an eye movement tracking system, a dynamic pressure platform, doctor end hardware, a vestibular rehabilitation software system and a protective fence. The dynamic pressure platform is fixedly mounted on the ground, and protective fences are arranged around the dynamic pressure platform; an optical motion capture system and a VR display screen are arranged in front of the protective fence; doctor end hardware and a vestibular rehabilitation software system are arranged on the right side of the protective fence. According to the equipment group, traditional vestibular rehabilitation which is difficult to standardize is converted into an evaluable, quantifiable and customizable treatment scheme, so that the living quality of a patient is improved, the family burden and the social burden are reduced, evaluation and treatment are integrated, manpower, material resources and financial resources are saved, and a large number of medical resources are saved; the equipment group is simple to operate, compact in structure and suitable for popularization and application in medical institutions and communities at all levels, and has great application value and development space.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

A method for preparing copper thin film by controlled atmosphere cold spraying

The invention discloses a method for preparing a copper film through controlled atmosphere cold spraying. The method comprises the steps that firstly, original copper powder is conveyed into a powder oxygen content control unit, copper oxide on the surfaces of copper powder particles is reduced into copper, and the oxygen content of the copper powder is reduced; secondly, the copper powder treated through the powder oxygen content control unit is conveyed into a powder granularity control and powder feeding unit, the input copper powder is scattered and screened, and the granularity of the output copper powder particles is controlled within the set range; thirdly, the copper powder treated in the second step is conveyed into a cold spraying nozzle in a controlled oxygen partial pressure cavity; and fourthly, the speed and temperature of the copper powder particles are regulated and controlled through a gas pressure, flow and temperature control unit, and the copper powder particles in the controlled oxygen partial pressure cavity collide with base body depositions to form the copper film. The film obtained through the method is dense in structure and low in oxygen content, the conductivity is not lower than 80% that of corresponding component dense block materials, and the film is superior to a traditional electrolysis or copper electroplating film in the aspects of environment protection and cost.
Owner:XI AN JIAOTONG UNIV

Surface coating technique for evaporator of automobile air conditioning system

InactiveCN108355936ABig market and room for developmentSynchronization of environmental benefitsPretreated surfacesSpecial surfacesAutomotive engineeringCorrosion
A surface coating technique for an evaporator of an automobile air conditioning system comprises the following production steps that the evaporator of the automobile air conditioning system is sequentially subjected to treatment that (1) washing is conducted; (2) acid pickling is conducted; (3) washing is conducted; (4) drying is conducted; (5) hydrophilic coating is placed in an impregnating tank, and the evaporator is coated; (6) the evaporator is spin-dried through a spin dryer; (7) the evaporator is cured in a curing channel and then cooled; (8) the evaporator is tested and detected to bequalified; and (9) the evaporator is packaged. Through the technical scheme, hydrophilic coating is applied to the automobile evaporator and an automobile condenser (or other radiator products), and an oxidation resistance film layer is generated to achieve the hydrophilic effect, resist to corrosion and oxidation and effectively restrain breeding of fungus matter, and the phenomenon that dust andparticles grow at deposits in an attached mode is eliminated; and the effective approach to improving the compartment environment is provided, and application of the technology develops a new automobile part treatment method for the automobile industry.
Owner:上海旺烨静电喷涂技术有限公司

Green brick crossed hole reserving and stacking equipment and hole reserving method thereof

The invention relates to the technical field of green brick stacking, in particular to green brick crossed hole reserving stacking equipment and a hole reserving method thereof.The green brick crossed hole reserving stacking equipment structurally comprises green bricks, a first marshalling green brick receiving machine, a brick stack, a second marshalling green brick receiving machine, a stacking machine, a stacking disc and a conveyor; when the second layer is clamped, a row of green bricks are selected to be not clamped, the rest of the green bricks are clamped, after the green bricks need to be placed on the stacking disc, the row symmetrical to the unclamped green bricks is not loosened, the green bricks are supplemented to the right side of the unclamped row of the second grouping green brick receiving machine again, and the whole row of green bricks on the second grouping green brick receiving machine are not lacked continuously; and two hole positions which are not clamped and not released are reserved in the second layer of green bricks on the stacking disc and used for corresponding to the through holes in the stacking disc, namely hole reserving is completed, the mode has the large development space, and compared with other brick collecting lines in the market, equipment is simple, low in limitation, high in applicability and low in input cost.
Owner:FUJIAN QUNFENG MACHINERY

An arm length adjustment device for an upper limb exoskeleton rehabilitation robot

ActiveCN106551777BRealize arm length adjustment functionEffective trainingChiropractic devicesUpper limbEngineering
The invention belongs to the related field of medical rehabilitation training equipment, and particularly discloses an arm length adjusting device for an upper limb exoskeleton rehabilitation robot. The arm length adjusting device comprises an upper left bracket, an upper right bracket, a lower bracket and a worm and gear assembly. The worm and gear assembly is arranged between the upper bracket and the lower bracket, and comprises a worm wheel, a worm and a screw rod. The screw rod is fixed between the upper left bracket and the upper right bracket in the axial direction. The screw rod is mounted between the upper left bracket and the lower bracket. The worm wheel is coaxially mounted above the screw rod. A rocker component is arranged at the right end of the upper right bracket and is connected with the right end of the worm. A polished rod is arranged between the upper right bracket and the lower bracket. The screw rod and the polished rod penetrate through a horizontal connecting plate and a lower movable rack between the upper bracket and the lower bracket. An up-down moving component is fixedly mounted on the same sides of the horizontal connecting plate and the lower movable rack. The arm length adjusting device can realize the arm length adjusting function of the shoulder-elbow part of the upper limb exoskeleton rehabilitation robot, and is suitable for upper limb sizes of different patients, and the adjusting step is simple and easy.
Owner:HUAZHONG UNIV OF SCI & TECH

A mechanical arm transmission joint mechanism with force-position measurement function

The invention belongs to the field of robot equipment, and discloses a mechanical arm transmission joint mechanism with a force-position measuring function. The mechanical arm transmission joint mechanism comprises a T-shaped gear frame and a main support, the T-shaped gear frame is provided with two first mounting shafts and a second mounting shafts, each of the first mounting shafts is provided with a power input mechanism, and the second mounting shaft is provided with a power output mechanism; the power input mechanism comprises a first sleeve-bevel gear composite body, a bearing base and a transmission device; the power output mechanism comprises a second sleeve and a second bevel gear; an inner cavity of the first sleeve is provided with an angle displacement sensor, and an inner ring of the angle displacement sensor is fixedly installed on the main support; the outer wall of each first sleeve is provided with multiple strain gauges used for measuring torque of the first sleeve in the circumstantial direction. According to the mechanical arm transmission joint mechanism with the force-position measuring function, by measuring the displacement and torque information of the two first sleeve respectively, the displacement and torque information of the second sleeve can be obtained through simple calculation, the cost is low, and the size is small and exquisite.
Owner:HUAZHONG UNIV OF SCI & TECH
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