66results about How to "Durable and long life" patented technology

A photosensitizer attaining high incident photon-to-current conversion efficiency and having long durability life and a solar cell using the photosensitizer are provided. A solar cell 1 includes: a semiconductor electrode 10 including a substrate 18 having a conductive film 16 formed on its surface and a porous semiconductor layer 20 formed on the substrate 18; a counter electrode 12 including a substrate 30 having a conductive film 28 formed on its surface; and a carrier transport layer 14 including conductive material, posed between the semiconductor electrode 10 and the counter electrode 12. The surface of porous semiconductor layer 20 is caused to carry a light absorber 22 including inorganic material 24 carrying organic molecules 26 each having an aromatic ring.

A road patch for repair of potholes is disclosed. A pothole is preliminarily repaired with asphalt fill and compacted per current standard practice. Thereafter, a road patch is placed upon the compacted top surface of the asphalt fill, overlapping onto the adjacent road surface and compressed. The road patch forms a water proof seal over the surface area of the patch preventing water from seeping into the repaired pothole. The patch also resists crack propagation and minimizes the potential of asphalt chipping and the breaking down of the asphalt fill.

The invention discloses a preparation method of a fiber-reinforced metal composite material. The preparation method comprises the following steps: (1) preparing a metal layer; (2) preparing a fiber preformed body; (3) preparing a fiber-reinforced composite material; (4) performing die pressing, solidifying and forming; (5) performing after-treatment. The composite material successively comprises a metal surface layer, a metal boundary layer, a flexible transition layer and a fiber-reinforced composite material layer, wherein the flexible transition layer is a thermoplastic layer, and the stretching strength of the composite material in a circumferential direction is 550-650 MPa. According to the invention, a jointing process is not required to be determined according to material characteristics, the process is simple and controllable, requirements for equipment are low, the cost is low, the method can be suitable for fibers and metallic matrixes made of different materials, and the application range is wide. The fiber-reinforced metal composite material prepared by the preparation method disclosed by the invention has the advantages that a shape structure is flat, interlaminar internal stress is small, the weight is light, the strength is high, abrasion resistance and corrosion resistance are good, and the fiber-reinforced layer is durable, long in service life, good in practicality, and wide in market prospect.

Disclosed are a piezoelectric element, which has a high withstand voltage and a longer durability life, a manufacturing method of the piezoelectric element, a liquid-jet head, a manufacturing method of the liquid-jet head, and a liquid-jet apparatus. The manufacturing method of a piezoelectric element includes the steps of: forming a piezoelectric layer by forming, on the lower electrode, a piezoelectric precursor film in which Pb, Zr and Ti are contained and the composition ratio of Pb, Zr and Ti becomes Pb/(Zr+Ti)=1.0 to 1.3 after the piezoelectric precursor film has been baked, and to which at least any one dopant selected from the group consisting of manganese, nickel and strontium is doped, and by then baking the piezoelectric. precursor film for half an hour to three hours at 650 to 750° C.; and forming an upper electrode on the piezoelectric layer.

The invention discloses a three-dimensional cupping type physical therapy device and aims at providing a three-dimensional cupping device which can achieve containing type vacuum sealing on the trunk and the limbs, enables the limbs to move in and out of a casing and a seal ring without being limited or scratched easily, is simple and convenient to use and enables the easily damaged part seal ring to be durable. The cupping device comprises the casing, the loop sleeve type seal ring, an air suction nozzle, a hose and a vacuum pump. A self-adaption aperture-changing support ring is arranged on the inner side of the loop sleeve type seal ring on the outer side of a port of the casing. The three-dimensional cupping device can be used for treating difficult and complicated diseases such as limb cold, arthralgia, hand and foot numbness, amyotrophy chap, diabetic feet at an early stage, blood vessel blockage stasis and vessel disappearance, and is also a novel device for safe and rapid postoperation physical therapy against injury caused by disasters and car accidents and sports wound and the like. The three-dimensional cupping device can have instant initial-stage curative effects and good long-term effects, does not cause positive and toxic and side effects of medicines or operation injury and can facilitate low-cost cure and health care physical therapy at hospital clinics or homes.

Disclosed are a piezoelectric element, which has a high withstand voltage and a longer durability life, a liquid-jet head and a liquid-jet apparatus. The piezoelectric element includes a lower electrode provided above a substrate, a piezoelectric layer provided above the lower electrode, and an upper electrode provided above the piezoelectric layer, and an electric resistivity of the piezoelectric layer is not lower than 20 MΩ·cm.

The invention relates to a local data processing method of an electricity consumption information acquisition system, which is used for a local network of an electticity consumption information acquisition system, the local network comprises an energy router and an energy controller, the local network is a half-duplex communication network, and the local data processing method comprises the following steps: a data automatic collection step: realizing data automatic collection based on a channel competition mechanism with carrier sensing and conflict avoidance; a task distributed execution andoptimization scheduling step: realizing local data acquisition through a task generation stage and a data uploading stage; and a real-time internet-of-things sensing step: establishing an internet-of-things sensing network, and performing data acquisition and analysis. Compared with the prior art, the system has the advantages that data acquisition is more efficient and real-time, and effective monitoring and management of each terminal device are realized.

The invention is concerned with a kind of binding implement, especially a kind of steel wire binding implement. It belongs to operation assistant machine of loading reinforce or equipment for transportation by truck, car and shipping. The said Y type of base seat has axis to roll rope that having at least a hole for pulling rope. One end of the said axis to roll rope has ratcheting, and the other end of it has revolving sleeve which owning a hole for spanner. One side of the said ratchetting has clamp and the inclined groove of clamp matches with the inclined tooth of the ratchetting. There is return spring on the clamp and the bottom of Y type of base seat connects into a whole through rivets on both sides of it and from a hollow interlayer in the middle of it. The inner part of it has a block for rolling rope and the block rolls with steel wire. The invention has easy structure with high intension, large bearing power and strong tightening nature to keep the safety of goods on transportation.

A road overlay product for protecting a repaired road portion including repaired potholes and utility cuts. A pothole or utility cut is preliminarily repaired with asphalt fill and compacted per current standard practice. Thereafter, the overlay is placed upon the compacted top surface of the asphalt fill, overlapping onto the adjacent road surface and compressed. The overlay forms a water proof seal preventing water from seeping into the repaired area. The overlay also resists crack propagation and minimizes the potential of asphalt chipping and the breaking down of the asphalt fill and surrounding roadway.

The invention discloses a POE (Polyolefin Elastomer) material-based high-weather-resistance photovoltaic adhesive film preparation process, and belongs to the field of photovoltaic adhesive film technology clamping. The POE material-based high-weather-resistance photovoltaic adhesive film preparation process specifically comprises the following steps of S1, prefabricating raw materials; S2, weighing the raw materials; S3, mixing and extruding; and S4, performing thermocompression bonding. According to the POE material-based high-weather-resistance photovoltaic adhesive film preparation process provided by invention, the air permeability and the water resistance of an inner film and a bonding bottom layer are modified and enhanced by filling micropores with modified filler silicon dioxide and iron powder particles, and meanwhile, the iron powder particles can enhance the impact resistance of the inner film, so that the overall strength of a photovoltaic module after being covered with an adhesive film is improved; and the waterproof strength is treated and modified through a POE material of a core layer, and the film blowing thickness of multiple layers of substrates is controlled and adjusted through multiple layers of laminated adhesive films and a bypass air pump during preparation, so that the thickness of the photovoltaic adhesive film can be accurately controlled, the overall weather resistance of the photovoltaic adhesive film is improved, corrosion of a photovoltaic module panel caused by water seepage of a base layer surface is avoided, and the overall durable life of the assembled photovoltaic module is prolonged.

The invention discloses a wind-proof anti-collision buttress for a drain pipe on a roof top of an accessible roof. The wind-proof anti-collision buttress comprises a drain pipe, a buttress body and aroof structure. A construction process comprises the following steps: adhering an additional waterproof layer at a roof top drain pipe; constructing the roof; connecting an upper drainage pipe by using a joint, and binding a reinforcing steel bar skeleton; installing a template by using square timber, multi-layer plywood and nails to ensure that the drain pipe is disposed at the center of a template opening, pouring concrete, smoothening the surface, covering and maintaining for 7 days, and then dismantling the template; trimming edges and corners, correcting the plane, drying, smearing putty,polishing, and brushing outer wall paint. The protection buttress of the invention is prepared from reinforced concrete, and is good in crack prevention performance, heavy in weight, high in wind andsway prevention capability, firm, durable and long in service life, good in stability of a roof top ventilation pipe, simple and convenient in construction, capable of using local materials, and attractive.

The invention discloses a rope tightener which mainly comprises a main pipe, a rope hanging nail, an anti-reverse nail, a crowbar hole and a rope tightening apparatus seat. The rope tightener is characterized in that the the rope hanging nail is arranged on the main pipe, one end of the main pipe is provided with the rope tightening apparatus seat and a handle, and the other end is provided with a rope tightening apparatus wheel and an anti-reverse device. The rope tightener is convenient to use as well as is safe and reliable.

The invention discloses vehicle body welding circulating cooling water treatment equipment and process, which belong to the technical field of vehicle body welding machining. The vehicle body welding circulating cooling water treatment equipment comprises a treatment tank, a discharging mechanism is arranged on one side of the treatment tank, a heat regeneration mechanism is arranged on the other side of the treatment tank, a liquid collecting mechanism is movably connected to the top of the treatment tank, and a chemical adding mechanism is arranged on one side of an inner cavity of the treatment tank; and the top of the chemical adding mechanism is in transmission connection with a screening mechanism, and the screening mechanism is slidably connected into the treatment tank. In the device, a half gear rotates to respectively drive a first rack and a second rack on two sides to move, a liquid spraying hose performs reciprocating displacement to spray liquid medicine, and a limiting seat moves to drive a second sieve plate and an elastic sleeve to perform reciprocating displacement, so that the liquid medicine mixing efficiency is improved, and then the material screening efficiency can be improved; and then large particles in the cooling liquid can be fully screened through multi-stage filtration, a backflow communicating pipeline is prevented from being blocked, the treatment effect on the cooling liquid is guaranteed, the overall durable life of the cooling liquid is prolonged, and the use requirement is met.

The invention discloses a preparation method of a modified polyvinylidene fluoride ultrafiltration membrane, and relates to the technical field of water treatment. The preparation method of the modified polyvinylidene fluoride ultrafiltration membrane comprises the following steps: (1) reversely putting the polyvinylidene fluoride ultrafiltration membrane into an ultrafiltration device, and pouring uniformly dispersed suction filtrate, wherein the suction filtrate comprises nano ferroferric oxide particles and diluted hydrochloric acid; and (2) applying pressure to the polyvinylidene fluorideultrafiltration membrane, carrying out suction filtration, and after the suction filtration is completed, cleaning unfixed nano ferroferric oxide particles on the surface of the polyvinylidene fluoride ultrafiltration membrane, and airing to obtain the modified polyvinylidene fluoride ultrafiltration membrane. The modified polyvinylidene fluoride ultrafiltration membrane prepared by the method hasgood hydrophilicity, super-adsorption performance and high closure effect, the surface of the membrane has anti-pollution performance, and the service life of the membrane is long.

The invention relates to a walking beam type oil pump additionally provided with a speed increaser to adjust the jig frequency. The left side of a base is connected with a bracket, the right side of the base is connected with a reduction gearbox, the speed increaser and a motor, the top of the bracket is connected with a central bearing assembly, the central bearing assembly is connected with a walking beam, the left end of the walking beam is connected with a horsehead, and the right side of the walking beam is connected with a bearing; the lower end of the bearing is connected with a connecting rod, an output belt pulley is connected with a small belt, the other end of the small belt is connected with the input belt pulley, the speed increaser is connected with the output belt pulley, and the output belt pulley is connected with a large belt; the other end of the large belt is connected with a large belt pulley, the large belt pulley is connected with an input shaft of the reductiongearbox, and an output shaft of the reduction gearbox is connected with a crank which is connected with the connecting rod; the motor drives the small belt, the small belt drives the input belt pulley, the speed increaser drives the output belt pulley, the output belt pulley drives the large belt, the large belt drives the large belt pulley, the large belt pulley drives the input shaft, the outputshaft drives the crank, the crank drives the connecting rod, and the connecting rod drives the walking beam to drive the horsehead to move up and down. The technology can meet different jig frequencyadjustment requirements and has an obvious power saving effect.

The invention discloses a clamping device and a driving method thereof. The clamping device comprises a basic shell, at least one clamping claw which can be driven, springs and a piston, wherein the piston is driven by the spring towards one direction; at least two springs are arranged on the outer surface of the piston; a bottom end cover is mounted at the bottom of the basic shell; a connectingrod is connected with the top center of the bottom end cover; at least one groove is formed in the outer surface of the clamping claw; and a first driving clamping claw surface and a second driving clamping claw surface are arranged on one side of the groove from top to bottom. The clamping device adopts the combined driving manner of a large-angle oblique plane and a small-angle oblique plane; when a fourth driving clamping claw surface with the large-angle oblique plane is adopted for driving, rapid separation of the clamping claw and a rivet is realized; and when a second driving clamping claw surface with the small-angle oblique plane is adopted for driving, the clamping claw can continuously apply clamping force to the rivet, so that the thickness and the boundary dimension of the clamping device are reduced.

The invention belongs to the technical field of integrated plates, and particularly relates to an LVL structure and melamine paper facing novel plate and a manufacturing method thereof. The LVL structure and melamine paper facing novel plate comprises an LVL structure layer, wherein a wood veneer I, a wood veneer II and a wood veneer are sequentially attached from the LVL structure layer outwards,and melamine paper is attached to the surface of the wood veneer II. According to the LVL structure and melamine paper facing novel plate, the LVL solid wood veneers are used as base materials, a special production process is adopted for machining and compounding to form the novel plate, the novel plate belongs to the novel high-tech building decoration material, the defect problem existing in atraditional plate is overcome, the novel plate has the advantages that the performance is excellent, and the structure is stable, and the deformation warping probability of the plate is greatly reduced; and health and environmental protection are achieved, modern environmental protection requirements are met, non-toxic, odorless, formaldehyde-free and sound-isolating are achieved, and the novel plate can be widely applied to medical spaces, educational spaces, office spaces, business spaces, home spaces and the like.