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60results about How to "Improve level" patented technology

Electronic passenger management method and system in railroad passenger cars/long-distance buses

This present invention is directed to an electronic passenger management system and its corresponding techniques that can be applied to railroad passenger cars/long-distance buses. The system mainly consists of the following parts: an electronic ticket checking machine, a passenger information display device, a passenger management server and database, a computer workstation, and an electronic ticket reader. The computer network connects passenger management server with the electronic ticket checking machine, the passenger information display device, and the computer workstation. This system can be used to check tickets, assign seats, remind passengers of the arrival of destination, display names of destination, change seats, help passengers to purchase tickets on the spot, conduct data enquiries and statistical analyses. This present invention can redress the unsymmetrical status that widely exists between the advanced railroad system/long-distance bus system and the traditional method of requiring conductors to provide manual information to passengers and to replace the old traditional passive passenger information system with the advanced active electronic passenger management system, resulting in further improvement of passenger management and information levels in railroad trains/long-distance buses for their passengers.
Owner:GUO YIXIN

Preparation method of nano-silver paste for electric field driven jet micro-nano 3D printing

The invention provides a preparation method of nano-silver paste for electric field driven jet micro-nano 3D printing, and belongs to the technical field of conductive silver paste and micro-nano 3D printing. The nano-silver paste is composed of modified nano-silver powder, an organic carrier and polymer resin, wherein the weight ratio of the modified nano-silver powder to the organic carrier to the polymer resin is 55-75: 15-40: 1-10; and the organic carrier is composed of an organic solvent, a thickener, a plasticizer, a surfactant, a dispersing agent, a leveling agent and an additive, wherein the weight percentage ratio of the organic solvent to the thickener to the plasticizer to the surfactant to the dispersing agent to the leveling agent to the additive is 60-90: 2-10: 3-10: 1-8: 1-10: 1-10: 1-10. By modifying the nano-silver powder and adjusting all the components, the viscosity of the nano-silver powder is matched with electric field driven jet micro-nano 3D printing, ultra-fine large-depth-width-ratio high-performance conductive pattern manufacturing is achieved, and finally, excellent adhesive force and conductive performance are achieved, and particularly, the problem that due to agglomeration of nano silver materials, the use performance is unstable is solved.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Machining method for engine connecting rod

The invention relates to a machining method for an engine connecting rod. The machining method for the engine connecting rod includes the following steps that (a) the two end surfaces of the connecting rod are subjected to rough grinding, a small-head hole is drilled and enlarged, a large-head hole and the small-head hole are subjected to rough boring, the small-head hole is subjected to semi-finished boring, a bolt boss is milled, a bolt hole is drilled or tapped, and deburring is carried out; (b) linear cutting is carried out on the position, corresponding to a cracking plane, of the inner edge of the large-head hole to form a V-shaped cracking groove, and the V-shaped cracking groove is symmetrical relative to the cracking plane to form an initial cracking source; (c) the connecting rod is heated to 150-250 DEG C, a hydraulic cylinder drives a bidirectional wedge block to move downwards and be pressed into a semicircular movable sleeve, the semicircular movable sleeve is pushed to act on the inner wall of the large-head hole, the large-head hole is cracked instantly, a connecting rod cover and a connecting rod body are separated, and cold water is sprayed; and (d) the cracked connecting rod is subjected to fine machining, and a cracked connecting rod finished product is formed. The connecting rod is heated and sprayed with the cold water after the connecting rod cover and the connecting rod body are separated, the strength of the engine connecting rod can be improved, and the levelness of the cracking plane of the connecting rod cover and the connecting rod body can be improved as well.
Owner:苏州利达铸造有限公司

Electrical cabinet with smoke-sensing cooling and dehumidifying device

The invention relates to an electrical cabinet with a smoke-sensing cooling and dehumidifying device in the field of electrical equipment. An electrical cabinet is included, and the electrical cabinetis provided with an adjustable supporting structure. An air vent is arranged on the electrical cabinet, and the electrical cabinet is provided with a rain-shielding inclined plate; the electrical cabinet is provided with a threaded sleeve, the threaded sleeve is connected with a circular partition plate; the circular partition plate is provided with a drying agent placing disc filled with a drying agent; through holes are uniformly arranged in side walls of the circular partition plate and the drying agent placing disc; the electrical cabinet is provided with a controller and a protection switch; a straight hole is arranged on the electrical cabinet, the straight hole is provided with a mounting rack, a fan is arranged on the mounting rack, an aerosolizer is arranged on the fan, a fire extinguishing structure is arranged on the electrical cabinet, and the electrical cabinet is provided with a movable installation structure; the movable installation structure is provided with a cabinettop; and the electrical cabinet is provided with a hinge, and the hinge is fixedly connected with a door plate. The electrical cabinet is helpful for reducing a temperature of electrical components in the electrical cabinet, a possibility of fire disasters is avoided, the electrical cabinet is well protected and losses are reduced, and meanwhile, corrosion of damp air to the electrical cabinet made of metal and the electrical components in the electrical cabinet can be avoided, and a service life of equipment is prolonged.
Owner:柴宣何

Unmanned aerial vehicle for measuring coating film thickness of high-rise steel structure

PendingCN110435891ASpace state stabilityWide range of measurementsMeasurement devicesAircraftsEngineeringRotational degrees of freedom
The invention discloses an unmanned aerial vehicle for measuring the coating film thickness of a high-rise steel structure. The unmanned aerial vehicle comprises a flight mechanism, a film measuring mechanism and an adsorption and separation mechanism; the flight mechanism comprises a fuselage connected with a plurality of horizontal rotor wings; the film measuring mechanism comprises an equipmentplate assembled on the fuselage through a rotary shaft, the equipment plate has the rotational degree of freedom at least within the straight angle range around the axis of the rotary shaft, and a film measuring probe is fixed to the equipment plate; and the film measuring mechanism and the adsorption and separation mechanism are both arranged on the same surface of the equipment plate, the adsorption and separation mechanism comprises a vertical rod and a jacking mechanism which are vertically fixed to the equipment plate, a permanent magnet is arranged at the top end of the vertical rod, the jacking mechanism has the linear reciprocating degree of freedom in the direction parallel to the vertical rod, and the vertical distance between the permanent magnet and the equipment plate is within the vertical distance between the top end of the jacking mechanism and the equipment plate when the top end of the jacking mechanism is located at the two limit positions. By adopting the unmannedaerial vehicle, paint film detection can be conducted on the steel structure at the high position which is inaccessible to people, the upper surface, the lateral facades and the lower surface of the steel structure all can be detected, and thus the unmanned aerial vehicle is widely applied.
Owner:NANTONG INST OF TECH
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