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156results about How to "Contact safety" patented technology

Flexible movable tiny robot system inside pipeline

The invention relates to an inside-pipe flexible mobile micro robot system. A pneumatic moving mechanism of the robot system is formed by the connection of a front supporting unit, a rear supporting unit and a rubber driver; the front supporting unit and the rear supporting unit are hollow cylinders, the end surface of one end of each supporting unit is internally connected with a round ring with a strap; two round rings with straps are respectively connected with two ends of the rubber driver; the cylinders are completely and externally covered with airtight plastic film airbags; the front supporting unit and the rear supporting unit are respectively connected with an air pipe which is communicated with a ventilation circuit; an air pressure transfer system is formed by the serial connection of a high-pressure pump, a pressure storage tank, a ball valve, a flow control valve, a pressure regulating valve and the pneumatic moving system; three ventilation pipelines are connected in parallel between the flow control valve and the pneumatic moving mechanism; two ventilation pipelines are connected in parallel between the pressure regulating valve and the pneumatic moving mechanism; and each ventilation pipeline is connected in series with a normal-closed two-position two-way electromagnetic valve and a two-position three-way electromagnetic valve, and is respectively communicated with three air chambers of the driver and the film airbags of the front supporting unit and the rear supporting unit. The invention can achieve driving in three directions, is safe and flexible, and has accurate control without damaging the inner walls of the pipelines.
Owner:UNIV OF SHANGHAI FOR SCI & TECH

Photocuable thiol-ene low gas permeability membranes

The present invention provides modified multifunctional thiol-ene monomers wherein one or more thiols are reacted with a Michael addition reactive double bond compound. The present invention further discloses photocurable thiol-ene formulations comprising thiol-ene monomers including the modified multifunctional thiols. The present invention further discloses photocurable thiol-ene formulations comprising thiol-ene monomers and Michael addition reactive double bond molecules and a Michael catalyst. The formulations of the present invention can be photocured to make films or coatings. In a further disclosure, the formulations, including those comprised of unmodified multifunctional thiols and multifunctional enes, are photocured to form films applied to non-flexible or flexible polymer or non-polymer substrates suitable for food packaging, electronic products, optical products and other applications and free-standing films. The present invention further discloses photocurable thiol-ene formulations comprising thiol-ene monomers and Michael addition reactive double bond molecules and a Michael catalyst. These formulations are disclosed to form free-standing films and coatings on substrates when applied to flexible substrates. Such materials are suitable for use in the packaging of food products and other products which are to be maintained in a hermetically sealed relationship to the atmosphere.
Owner:UNIVERSITY OF SOUTHERN MISSISSIPPI

High voltage direct current contactor with magnetic coil arc quenching

The invention discloses a high voltage direct current contactor with magnetic coil arc quenching, and belongs to the contactor technical field. The high voltage direct current contactor with the magnetic coil arc quenching comprises a shell and a base, wherein the shell is fixedly connected with the base. A magnetic ring coil assembly and a swinging rod are arranged in the shell. A moving contact pin 2 is fixed on the top of the swinging rod. An electromagnet assembly is arranged under the shell. A movable end of the electromagnet assembly is connected to one end of the swinging rod through a pushing rod. The pushing rod can push the swinging rod to rotate around an installation shaft. The technical scheme adopts magnetic ring winding coils to generate an induced magnetic field so as to provide a magnetic blow-out arc quenching system. The induced magnetic field generated in the winding coils correspondingly changes along with the high- low of an instantaneous voltage level, so that the magnetic blow-out force is different. The magnetic field is guided in a vertical direction of a current flowing direction of a contact through a baffle, and an electric arc is more effectively blown to a cavity of a specified arc quenching room for segment arc quenching. The damage of the contact in a product is prevented.
Owner:GUIZHOU TIANYI ELECTRICAL

Composite three-layer net cloth and manufacturing method thereof

The invention relates to composite three-layer net cloth and a manufacturing method thereof. The composite three-layer net cloth consists of a surface layer, a bottom layer and a support layer, wherein the support layer is connected between the surface layer and the bottom layer, and the bottom layer and the polyester single-yarn support layer are weaved into a three-dimensional three-layer net cloth in a warp weaving way. The composite three-layer net cloth has the advantage that as the net cloth contains negative ion fiber, the main functions of negative ions are as follows: the lasting negative ion transmitting function is realized, so the air quality of the surrounding environment is adjusted; the biological wave transmitting function is stronger, so the blood circulation is promoted, the human body immune cells are activated, and the aging and premature senility of the human body are prevented; the lasting anti-bacteria and bacteria-killing functions are realized, so the bacteria with harmful effects on the human body can be killed, and the injury to the human body is avoided; the deodorizing property is excellent, so the foreign odor is removed, and a good living space is maintained; multiple trace elements required by the human body can be released, so the health of human body is favorably kept; the interface activity action is excellent, so the usage amount of a detergent is saved, and the environment is favorably purified; the requirements of concepts of health and environment protection are favorably met.
Owner:FUJIAN JINJIANG HUAYU WEAVING +2

Modular intelligent water bed temperature and pressure regulating system and method thereof

The invention discloses a modular intelligent water bed temperature and pressure regulating system and a method thereof, and relates to the technical field of intelligent control. Through centralizedtemperature-regulating control, the inlet and outlet lines of a water bed are supplied with water circularly, there is a pressure difference between the inlet line and the return line of the water bed, multiple modular water bed units are connected in parallel between the inlet line and the return line, and pressure of water in the water bed is regulated by regulating values of the inlet and the outlet at two ends of the water bed so as to control hardness of the water bed. By controlling opening and closing of the inlet valve and the outlet valve of the water bed to regulate pressure in the water bed, smooth stepless water pressure regulation is realized. The water pressure of the water bed is flexible to regulate and is regulated to a water-bed hardness which accords with characteristicsof users. The design of a single water bed is simplified, and the cost of a single water bed unit is low. The more the water bed unit, the lower the cost is. By the adoption of an intelligent wireless remote control module and a solenoid valve, water bed regulation control is more convenient.
Owner:安徽网润数据科技有限公司
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