186results about How to "Flexible and adjustable" patented technology

The invention provides a liquid-based friction generator, a power generation method and a sensor. The friction generator comprises a friction layer of which the upper surface is provided with a first conductive element in a contacting manner, and a liquid into which a second conductive element is immersed; the lower surface of the friction layer and the upper surface of the liquid are arranged in a face-to-face manner; at least one part of the lower surface of the friction layer can be separated from the upper surface of the liquid after contacting with the upper surface of the liquid; and electric signals can be outputted to the outside through the first conductive element and the second conductive element. Correspondingly, the invention also provides a sensor and a friction power generation method. According to the friction generator, friction power generation of the liquid and the solid friction layer and electrostatic conduction principles are utilized; and the liquid and solid contact-based friction generator is designed and is simple in structure, and can collect mechanical energy generated by liquid fluctuation, and convert the mechanical energy into electrical energy, and has a broad application prospect.

An image-sensing module using white LEDs as a light source thereof comprises a printed circuit board, a contact image-sensing element, a rod lens, and a white LED element, wherein the contact image-sensing element is mounted on the printed circuit board, the rod lens provided above the contact image-sensing element, and the white LED element is provided on a side of the rod lens. The white LED element emits a light beam to a document to generate a light reflected from the document to the contact image-sensing element, and then the contact image-sensing element can sense the image of the document via the rod lens.

The invention provides a self-driving photoelectric sensor and a preparation method thereof. The self-driving photoelectric sensor integrates a photoelectric sensor into the structure of a friction nano generator, and the photoelectric sensor is driven by using output signals of the friction nano generator.

A golf club head includes a head body formed with a cavity, and a counterweight unit fitted in the cavity and including a sleeve body and an insert body. The sleeve body has a first end face, a second end face, first and second cavities, and first and second inner walls. The first inner wall has at least one first corner. The second inner wall has at least one second corner out of alignment with the first corner. The sleeve body further has at least one shoulder face formed at a junction of the first and second cavities. The insert body includes an insert portion removably inserted into the sleeve body, and an abutting portion extending outward from the sleeve body and abutting against the first end face. The insert portion has at least one flange engaging the second corner and having a stop face abutting against the shoulder face.

The invention discloses a reciprocating type automatic feeding mechanism which comprises a mounting seat, an oscillating cylinder, a driving arm, an adjustable driven arm, a guide rail, a rolling wheel and a sucker. The oscillating cylinder with double output shafts is installed on the mounting seat, one output shaft of the oscillating cylinder is fixed at one end of the driving arm, the other end of the driving arm is movably connected to one end of the adjustable driven arm, and the rolling wheel and the sucker are installed at the other end of the adjustable driven arm and located on two sides of the adjustable driven arm. A track is installed on the mounting seat along the direction of the driving arm, and the rolling wheel slides in the track. By the method, the reciprocating type automatic feeding mechanism is low in cost and high in efficiency and has a certain flexible adjustability.

The invention provides a quick positioning and verticality-adjusting device for a large-diameter steel-pipe upright column pile and a construction method. The device comprises a positioning support and a verticality-adjusting bracket, wherein the positioning support comprises a square outer frame; limiting steel plates are arranged on the middle inner sides of four side frames of the outer frame; the verticality-adjusting bracket comprises a lining pile casing; the steel-pipe upright column pile is arranged in the lining pile casing; eight verticality-adjusting support legs are uniformly distributed around the lining pile casing; the verticality-adjusting support legs are clamped in the limiting steel plates on the four sides; each verticality-adjusting support leg is provided with a high-strength sleeve and a verticality-adjusting screw; the lining pile casing is provided with bolt holes; and after the bolt holes are aligned with those of the steel-pipe upright column pile, the lining pile casing and the steel-pipe upright column pile are fixed through strengthening bolts. The invention provides the construction device and the construction method, which make the verticality of the steel-pipe upright column pile meet a requirement by virtue of a multidirectional jacking effect, give consideration to upright column pile positioning and solve the problems that the positioning deviation is large because a center mark is lost after a pile hole is drilled and a verticality-adjusting device is complex to use and difficult for construction personnel to operate.

The invention discloses a novel multifunctional fire protection coaxial nozzle device used for spraying two kinds of fire extinguishing media at the same time. The novel multifunctional fire protection coaxial nozzle device can selectively spray two kinds of fire extinguishing media at the same time or spray one kind of fire extinguishing media, the spraying flow and intensity of the two kinds of fire extinguishing media or one kind of fire extinguishing media are controlled through a valve at the same time, and spraying power of water extinguishing agent or foam extinguishing agent media enables dry powder fire extinguishing agent media to be sprayed by a longer distance. The novel multifunctional fire protection coaxial nozzle device is simple and practical, has high and flexible fire extinguishing capacity, and can be widely applied to and arranged into various fire extinguishing systems or fire extinguishing devices.

The invention relates to a guide wheel modifier, specifically relates to a guide wheel modifier for a centerless grinding machine and belongs to the technical field of bearing processing and centerless grinding. The guide wheel modifier comprises a modifier body, a horizontal moving mechanism and a vertical moving mechanism, and the horizontal moving mechanism and the vertical moving mechanism are arranged on the modifier body. The manufacture structure of the guide wheel modifier for the centerless grinding machine is simple, investing processing costs are much lower than those of an old guide wheel modifier, height adjustment and horizontal moving of a diamond pen are flexible by means of a bidirectional adjustable mechanism, and more importantly, the problem of frequent maintaining in the past is solved; and the operation is convenient, an operator can master work methods after the operator is slightly trained and guided, work efficiencies are greatly improved, and subsidiary work time is reduced.

The invention discloses alkali-activated regenerated micro-powder foam concrete and a preparation method thereof.The foam concrete is prepared from, by mass, 50-70 parts of regenerated micro-powder, 10-30 parts of granulated blast-furnace slag powder, 10-20 parts of fly ash, 1-3 parts of gypsum, 50-80 parts of water, 4-8 parts of an activator, 1.0-2.0 parts of a foaming agent and 0.1-0.2 parts ofa foam stabilizer. The regenerated micro-powder is ground, the ground micro-powder is uniformly mixed with the granulated blast furnace slag powder, the fly ash and the gypsum, and excitation and foaming molding are carried out through the alkaline activator to prepare the alkali-activated foam concrete taking the regenerated micro-powder as a raw material. According to the solid waste resource utilization requirement, a large amount of fine powder collected in the air separation process in the waste concrete crushing process is utilized, and the utilization rate of the construction waste is effectively increased. Meanwhile, compared with common foam concrete, the alkali-activated foam concrete taking the regenerated micro-powder as the main raw material has the characteristics of low cost(no cement), high setting speed, high early strength, good thermal insulation property and the like.

A liquid crystal display panel module includes a display panel, a plurality of source drivers, a plurality of gate drivers, a gamma reference voltage generator and a timing controller, in which the timing controller controls operations of the gate drivers, of the source drivers and of the gamma reference voltage generator, so that the source drivers can, based on one set of gamma reference voltages, output single-color data groups to corresponding display sub-areas in the display panel, respectively.

The invention discloses a dynamic polymer with a hybrid cross-linked structure. The dynamic polymer contains common covalent cross-linking and contains both dynamic covalent inorganic silicon borate bonds and supramolecular hydrogen bonds formed under the condition of participation of side hydrogen bond groups, wherein the cross-linking degree of the common covalent cross-linking reaches a gel point of the common covalent cross-linking or above. According to the dynamic polymer, the dynamic covalent inorganic silicon borate bonds and the supramolecular hydrogen bonds are conjugated, so the dynamic polymer has good dynamic reversibility and presents t functional characteristics like stimulation responsiveness and self repair performance; common covalent cross-linking endows the polymer withcertain strength and stability; and the existence of the inorganic silicon borate bonds and the hydrogen bonds allows the polymer to have good energy-absorbing effect and to realize toughening and damping of materials in specific structures. The dynamic polymer can be extensively used for preparing damping and buffering materials, shock-resistant protection materials, self-repairing material, tough materials, etc.

An all-vanadium redox flow battery bipolar plate and a preparation process thereof. The all-vanadium redox flow battery bipolar plate comprises a silane coupling agent solution, mesh carbon cloth treated with the silane coupling agent solution, a flexible graphite plate and a conductive adhesive. The conductive adhesive is a graphite-filled conductive adhesive. The bipolar plate is prepared by heating and pressing the flexible graphite plate, the graphite-filled conductive adhesive, the mesh carbon cloth, the graphite-filled conductive adhesive and the flexible graphite plate in sequence withthe vacuum molding technology; and the graphite-filled conductive adhesive is used as a binder. The invention reduces the use of an organic solvent; the preparation process adopts an internal mixer and a open mill for the conductive adhesive preparation and the vacuum molding for the composite bipolar plate preparation so that the operation process is more automatic and the product performance isbetter and more stable; the prepared vanadium battery composite bipolar plate material has the advantages of high electrical conductivity, good corrosion resistance, excellent mechanical properties and good product stability; and the defects of pure graphite plate and conductive plastic as a bipolar plate material in a vanadium battery are solved.

The invention relates to a sewage treatment system for water shortage cities and a storage and advanced treatment method of sewage and rainwater, belonging to the technical field of water treatment. The system comprises a pretreatment station house, stabilization ponds, a drainage and irrigation station house and artificial wetlands, wherein the stabilization ponds are divided into an anaerobic pond, a facultative pond, a primary aquatic plant pond, a secondary aquatic plant pond, a primary aquatic animal pond and a secondary aquatic animal pond; the artificial wetlands are constructed around the stabilization ponds and divide each of the stabilization ponds; and a culvert pipe passes through the space below the artificial wetlands among the pretreatment station house, the stabilization ponds and the drainage and irrigation station house to enable the pretreatment station house, each stabilization pond and the drainage and irrigation station house to be sequentially connected in series. Biological floras, planted aquatic plants or cultured aquatic animals are respectively put in each stabilization pond, and sewage and rainwater sequentially enter each stabilization pond to be purified. The invention has the advantages of low manufacturing cost and operating cost and easy maintenance and can be used for carrying out effective and reliable sewage treatment.

The invention discloses preparation and application of a linear biodegradable polyester elastomer with a controllable elasticity and shape memory effect. The linear biodegradable polyester elastomer with the controllable elasticity and shape memory effect is formed by conducting copolymerization on a caprolactone monomer containing a lateral cyclic ether structural unit and caprolactone, wherein the molar ratio of the caprolactone monomer containing the lateral cyclic ether structural unit to the caprolactone is 5:95-25:75, and the structural formula can be found in description. The viscoelasticity of the linear biodegradable polyester elastomer with the controllable elasticity and shape memory effect is remarkably improved, the elongation at break can reach 1600% and above, the elastomer can be dissolved in a conventional organic solvent, a three-dimensional porous support can be constructed conveniently through a construction technology of the porous support such as, electrostatic spinning, three-dimensional printing and phase separation, tissue engineering blood vessel scaffold materials, myocardial patches, nervous tissue engineering scaffold materials and the like are prepared, and the preparation and application of the linear biodegradable polyester elastomer can be widely applied to the fields of soft tissue engineering scaffolds, tissue repair and regenerative medicine.

The film is made of the material with the general formula of SiOxRy, whose comical bond is Si-O.Si-C.C-H; which contains Nanometer micropore. The producing process is as below. The siloxane organics is applied as template to produce the colloidal sol in the organic liquid, and paint the colloidal sol on the silicon wafer to form the film. The anneal temperature is around 200-600 deg.C and the heating up rate is about 5-20 deg.C per minute.

The invention discloses a protection circuit of a DC motor. The protection circuit comprises a sampling unit, a comparison processing unit and a control unit, wherein the sampling unit is configured to sample a current flowing through the DC motor, acquire a sampled voltage value and output the sampled voltage value to the comparison processing unit; the comparison processing unit is configured tocompare the sampled voltage value and a set reference voltage value, and output a comparison result to the control unit; the control unit is configured to output a first control signal to control theDC motor to turn off when the sampled voltage value is higher than the reference voltage value for a first preset time, and output a second control signal to control the DC motor to reboot when the DC motor is controlled to turn off for a second preset time; and the first preset time is set by means of a first capacitor module, the second preset time is set by means of a second capacitor module,and the first capacitor module and the second capacitor module in the control unit are independent of each other in the control unit and can be adjusted separately without influencing each other.

The invention discloses a packaging method of a high frequency internal matching power device. The packaging method comprises the following steps: co-crystallizing an internal matching circuit inside a tube shell through a gold and germanium alloy; co-crystallizing a power device and an input/output matching capacitor inside the tube shell through a gold and tin alloy; mutually connecting the power device, the input/output matching capacitor and the internal matching circuit through gold wires electrically; and connecting the internal matching circuit with tube shell pins through gold strips electrically. According to the packaging method of the high frequency internal matching power device, provided by the invention, a packaging mode of two-stage LCL (lower control limit) input matching is adopted, a Q value of an input matching circuit is reduced, and so that the bandwidth, the gain and the output power of the internal matching power device are increased; in addition, by co-crystallizing the high frequency power device, the ceramic capacitor and the matching circuit inside the tube shell by adopting the gold-tin and gold-germanium, the solidity of the physical connection is guaranteed, and the thermal conductivity of the power device is increased.

A saddle on which an individual is seated while riding a bicycle or a motorcycle. The saddle includes a flexible base to support the rider's weight and a stationary nose cap attached to the flexible base. One end of a bumper retaining block is pivotally and detachably connected to the nose cap. A resilient bumper is located between the flexible base and the bumper retaining block. A pair of rails which runs along the bottom of the flexible base is attached to the bicycle/motorcycle. The pair of rails is coupled to the bumper retaining block to push the block towards the flexible base with the resilient bumper sandwiched therebetween. The bumper retaining block can be detached from the stationary nose cap so that the resilient bumper can be replaced by a bumper having a different density to selectively control the flexibility of the base.

The invention discloses a quantum dot-combined and ultraviolet-excited white LED light-emitting device, which comprises a package substrate, an ultraviolet LED chip and fluorescent adhesives, wherein the fluorescent adhesives include a red quantum dot fluorescent adhesive, a green quantum dot fluorescent adhesive and a blue fluorescent adhesive; the three fluorescent adhesives are obtained by treating red quantum dot fluorescent powder, green quantum dot fluorescent powder and blue fluorescent powder through an adhesive preparation technology separately, wherein a CdSe<x>Te<1-x> quantum dot of a coated shell structure is adopted by the red quantum dot fluorescent powder, and x is smaller than 1 and greater than or equal to 0; one of a CdSe quantum dot, a CuInS quantum dot and an InP quantum dot of the coated shell structure is adopted by the green quantum dot fluorescent powder; and the blue fluorescent powder is rare-earth blue fluorescent powder. The red quantum dot fluorescent adhesive, the green quantum dot fluorescent adhesive and the mature blue rare-earth fluorescent adhesive are combined, and all are excited by ultraviolet light and mixed into white light, so that the quantum dot-combined and ultraviolet-excited white LED light-emitting device is extremely flexible in adjustability, high in quantum efficiency, long in service life and high in color rendering index.