31results about How to "No loss of flexibility" patented technology

The invention discloses a method for controlling an external terminal to attend a video conference. A video conference system comprises a plurality of conference terminals and a multipoint control unit (MCU), wherein a plurality of conference terminals comprise a master control terminal; and the MCU is used for the access of a plurality of video conference terminals and service processing. The method comprises steps of controlling the terminal to attend a template video conference and a temporary video conference; and the steps of controlling the terminal to attend the template video conference and the temporary video conference are specifically divided into steps of controlling the terminal to attend the conference in a full-anti-disturb mode and a half-anti-disturb mode. According to the method, new hardware equipment is not required to be added, an automatic anti-disturb function can be conveniently realized only by using the conventional video conference MCU and the video conference terminals, and complicated operation of a password conference can be avoided.

The invention relates to a U-shaped clamp for attaching to plate, has opening. The clamp has an opening. The clamp has two flat limbs which are connected by a bracket and a nut which can be moved axially between the two limbs and is designed to receive a screw that passes through the opening and one limb. The nut is held on the clamp so that it is secured against rotation by a lateral arm. The nut is fixed at its end in an axially sprung manner to the limb facing away from the plate by several clasps running from the end of the nut part to the limb.

A new metal fiber yarn is provided. The metal fiber yarn (10) constitutes a construction comprising continuous metal fibers (13) forming a metal fiber yarn. The construction comprises at least 5 bundles (12) of continuous metal fibers twisted together to form a yarn. Each of the metal fiber bundles (12) comprises at least 30 metal fibers (13). The yarn comprises at least one partial yarn (11), said partial yarn comprising at least two metal fiber bundles (13) twisted around each other with a predetermined number of torsions per meter.

The invention provides a cigarette packet wrinkle printing method. According to the method, high-speed printing adaption, special effect UV fission varnish and a web gravure printing machine are improved, and a UV wrinkling device capable of adjusting the horizontal distance from a printing stock is additionally arranged between a printing gravure cylinder and a UV curing device. The method includes the steps of forming the effect of different wrinkles under the action of the wrinkling device by using the UV fission varnish and then performing UV curing; printing special effects, such as snowflakes and wrinkles on the web gravure printing machine at the speed of 150-180 m/min (about 18000-21000 pieces/hour). By means of the cigarette wrinkle printing method, different special cigarette packet wrinkle effects can be produced according to the needs, the process is optimized, the operation is simple, the product quality is stable, the use amount of ink is reduced to effectively reduce material costs, and the production efficiency is relatively 6 times higher than that of silkscreen printing.

The invention relates to a high-adhesion normal-temperature curing organic protective coating suitable for surfaces of a plurality of types of low-treatment aluminum alloy. A method for preparing thecoating firstly comprises the step of preparing pretreatment anticorrosive slurry: adding a passivating functional pigment, a resin liquid, a coupling agent and an auxiliary agent into a mixed solventunder stirring to obtain the stable slurry; and the normal-temperature curable organic protective coating used for the low-treatment aluminum alloy surfaces is composed of an A component and a B component, and the A component and the B component are used cooperatively, wherein the A component mainly comprises the above pretreatment anticorrosive slurry, and further comprises an epoxy resin liquid, a pigment filler, an auxiliary agent and an appropriate amount of solvent, and the B component is a mixture of a polyamide-based curing agent and a mixture of xylene and n-butanol. The special coating for the low-treatment aluminum alloy provided by the invention not only has excellent comprehensive performance on the aluminum substrate, but also eliminates a complicated and cumbersome processing technology to a substrate before coating of a traditional coating, meets novel trend of saving energy and reducing consumption, and has broad application prospects.

The invention belongs to the technical field of cables, in particular to a polyvinylidene fluoride insulated electromagnetic filtering cable and a processing method thereof. The cable comprises an inner conductor, wherein an insulation inner layer having a thickness of 0.10-0.18mm is formed outside the inner conductor through extrusion; an electromagnetic filtering layer having a thickness of 0.01-0.06mm coats the insulation inner layer and an insulation outer layer having a thickness of 0.05-0.12mm is formed outside the electromagneticfiltering layer through extrusion; an outer sheath is formed outside the insulation outer layer through extrusion; the insulating inner layer and the insulating outer layer are made of polyethylene fluoride, the electromagnetic filtering layer is uniformly dispersed with a magnetic material, and the adhesion and compatibility of the electromagnetic filtering layer and the insulating layer are strong, so that the electromagnetic filtering performance andthe overall insulation performance of the cable are improved.

The invention provides a portable personal service terminal and belongs to the technical field of computers. The portable personal service terminal comprises a starting module, a detection module, a service module and a communication module, wherein the starting module is used for receiving a start signal and starting an operating system; the detection module is used for judging whether to start a safe control platform after the operating system is started, wherein the safe control platform is used as a working platform for service processing; the service module is used for starting a service interface to carry out service processing when the detection module detects that the safe control platform is necessary to start; and the communication module is used for communicating with a service server. The embedded safe control platform arranged in the portable personal service terminal provided by the invention is used for processing specific service, thus the portable personal service terminal has the advantages of portability, convenience and rapidness in use, high safety and the like.

The invention discloses a structure for improving water/oxygen barrier performance of a flexible substrate and a preparation method of the structure. The flexible substrate is formed by a graphene-based water/oxygen barrier film and a polymer substrate, wherein the flexible substrate is located below an electrode/N-type semiconductor layer/active layer/P-type semiconductor layer or an electrode/P-type semiconductor layer/active layer/N-type semiconductor layer to form a complete device. The preparation method is transferring a graphene film or a graphene composite film to the polymer substrate; any one of a bubbling method, a substrate corrosion method and a heat release method is adopted by the process; and the transfer process is roll-to-roll transferring or small-size manual transferring. By hydrophobic and waterproof characteristics of double layers and graphene, the water/oxygen barrier effect of the flexible polymer substrate is improved; the structure can be universally applied to photoelectric devices with various structures; and the photoelectric efficiency of the device is further improved.

The invention discloses a connecting process of endoscope tip head and snake bone, which comprises the following steps : step 1, expanding the pore diameter of the end tube section of the snake bone;step 2, opening the circumferential surface of the end tube section of the snake bone after expanding; step 3, inserting the connecting part of the endoscope tip head into the hole of the end tube ofthe expanded snake bone; step 4, welding and fixing the connecting part of the endoscope tip head to the end tube section of the snake bone at the opening. The connecting process of endoscope tip headand snake bone has the advantages that under the premise that the length of the connecting position is not increased and the overall outer diameter of the snake bone is not increased, the pore of theend tube section is enlarged and the opening is made on the upper side of the end tube section, and the connecting part of the endoscope tip head is welded with the snake bone at the opening so as toachieve the connection, and the flexibility of the snake bone is not reduced, at the same time, due to the adoption of welding connection, the snake bone and the tip head are firmly connected and cannot fall off. The invention also discloses a connecting structure of the endoscope tip head and the snake bone prepared by the connecting process, and connecting structure of the endoscope tip head and the snake bone has the advantages of simple structure, strong flexibility and firm connection.

A coating composition for lubrication film comprises: (A) a (meth)acrylic acid compound, the (meth)acrylate equivalent weight of which is less than or equal to 100; (B) a (meth)acrylic acid compound, the (meth)acrylate equivalent weight of which is in the range of 120 to 300; (C) a thermosetting resin and/or high energy beam-curable resin; and (D) at least one type of solid lubricant. The coating composition is capable of forming a resin film having high adhesion to the surfaces of various types of substrates by heating and/or high energy beam irradiation.

The invention discloses a polyimide blend compact dehumidification film and a preparation method thereof, belongs to the field of air conditioners and aims to improve water absorption performance, the mechanical property and the like of an air conditioner dehumidification film. The polyimide blend compact dehumidification film contains polyimide and a hydrophilic group-containing polymer prepolymer. The relative molecular weight of the prepolymer is less than 50,000.

The invention discloses a preparation method of color-variable PU colorful wood lacquer base varnish. The method includes the following steps of A, selecting a clean up-to-standard dispersion tank; B, sequentially putting in 41.3-60% of acrylic resin 1272, 25-40% of saturated polyester resin DP315, 1% of polyethylene wax slurry, 0.5-1% of dispersing agent BYK-110, 0.5-1% of flatting agent EFKA-3777, 0.1-0.2% of flatting agent EFKA-3600, 0.2-0.5% of defoaming agent BYK-066N and 1-2% of methyl isobutyl ketone MIBK; C, starting a dispersion machine for dispersion at low speed for 10 min; D, adding 5% of 15% polyamide wax slurry and 5-8% of 20% cellulose acetate, discharging not less than 2 KG of paint at a receiving port, and pouring the paint back into the dispersion tank to be evenly dispersed and then inspected; E, adding 0.5-1% of n-butyl acetate, and adjusting viscosity to 2500-3500 mpa.s/25 DEG C to prepare a first component, namely transparent base varnish. According to the transparent base varnish prepared through the method, the crosslinking degree design can be high, the hardness can be high, the flexibility can not become poor when the hardness is increased, and the luster is high.

The invention discloses a seismic wave excitation system and method for launching a seismic source body based on unmanned aerial vehicle group, and the system comprises a plurality of unmanned aerial vehicle group launching units, each unmanned aerial vehicle group launching unit comprises a carrying frame, a launcher fixed below the carrying frame, and a plurality of rotor unmanned aerial vehicles arranged above the carrying frame, and the rotor unmanned aerial vehicles are connected with the carrying frame through universal joints; the system further comprises a central control unit which is used for planning the take-off and landing time and path of each unmanned aerial vehicle group launching unit, controlling each unmanned aerial vehicle group launching unit to operate independently and without interference, and launching the seismic source body to each predetermined excitation point coordinate of the target area to excite seismic waves, and the time of launching the seismic source body to each predetermined excitation point coordinate is different. The system has the advantages of being large in load capacity, high in take-off and landing speed, high in efficiency of working under complex surface conditions, strong in excitation energy, deep in detection depth, capable of meeting professional technical requirements of quick vertical take-off and landing for launching the seismic source to obtain seismic record data in seismic exploration, high in space sampling density and large in obtained data volume.

The invention provides a bionic structure-sensing integrated soft origami bending module with a sequential rigidity adjusting function, and belongs to the field of bionic soft body bending structures. The problem that flexible large deformation and sensitive sensing of an existing soft robot cannot be achieved at the same time is solved. The device comprises a soft paper folding actuator, a passive rigidity adjusting belt, a fiber limiting line, a strain sensing unit, a strain limiting layer, a signal line and an air pipe. The soft paper folding actuator is of a fiber-reinforced Jilin pattern type structure, and has double deformation of unfolding along creases and stretching of silica gel skin; the soft body module is divided into three sections in the axial direction, each section is subjected to flexible large deformation-passive sequential rigidity adjustment under single air pressure, and various bending structures can be achieved; piezoresistive flexible strain sensing units with the same material attribute as the soft paper folding actuator are discretely and seamlessly embedded into the bottom of the soft body module, and complex deformation of the module can be sensed. According to the invention, flexible large deformation and sensitive sensing can be realized, and the characteristic of passive sequence rigidity adjustment is also realized.

The invention discloses a transparent basis lacquer of color-changing PU dream-color wood lacquer. The transparent basis lacquer of color-changing PU dream-color wood lacquer is prepared from, by weight, 41.3%-60% of 1272 acrylic resin, 25%-40% of DP315 saturated polyester resin, 1% of polyethylene wax liquor, 0.5%-1% of a BYK-110 dispersing agent, 0.5%-1% of a EFKA-3777 flatting agent, 0.1%-0.2% of a EFKA-3600 flatting agent, 0.2%-0.5% of a BYK-066N antifoaming agent, 1%-2% of MIBK methyl isobutyl ketone, 5% of polyamide wax liquor of 15%, 5%-8% of cellulose acetate of 20% and 0.5%-1% of n-butyl acetate. By means of the transparent basis lacquer prepared with the ingredients, the designed cross linking degree and hardness are high, the suppleness cannot be poor along with improvement of the hardness, and the gloss is also high.

The invention discloses a thermal compounding process of a composite aluminum-plastic film used for a power battery, belonging to the technical field of power battery packaging films. The thermal compounding process comprises the steps of pretreatment of an aluminum foil, dry compounding of nylon and the aluminum foil, curing of PA/Al composite film, passivation treatment of the PA/Al composite film, pre-gluing of the PA/Al composite film and compounding of the PA/Al composite film and a CPP coated film. The process is simple, high-temperature thermocompression bonding and high-temperature curing storage processes are not needed, a production period is shortened, and energy and time are saved.