Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

45results about How to "Skillful" patented technology

Three-layer medical infusion bag and manufacturing method thereof

The invention aims to provide a three-layer medical infusion bag. The three-layer medical infusion bag comprises a flat infusion bag body of a three-layer structure. The three-layer structure comprises an inner bag layer made of polyethylene material, a middle bag layer made of polypropylene and styrene-ethylene/ butylene-styrene segmented copolymer material and an outer bag layer which is a blended layer of polypropylene, carboxylated styrene-ethylene/ butylene-styrene segmented copolymer and anionic polymerization nylon nanocomposite. The barrier performance of the anionic polymerization nylon nanocomposite of the outer bag layer is excellent. Air inlet is not needed in the infusion process and medicine liquid can automatically flow and is completely drained through the design of the thickness and the width of the infusion bag body, and therefore the whole infusion bag is good in safety, barrier property and infusion performance. The invention further provides a manufacturing method of the three-layer medical infusion bag. One-time injection molding and air blowing are conducted through a three-die-head injection molding die, the whole process is simple and advanced, one-time forming is achieved, the method is suitable for production of the infusion bag, and the manufactured infusion bag meets the infusion requirement.
Owner:ANHUI DOUBLE CRANE PHARMA

Water recreation method and device

The invention relates to a water recreation method and a water recreation device. A plurality of floating machines and connecting plates are assembled into a plurality of independent bar floating blocks which float on the water surface; all the independent bar floating blocks are assembled and connected into multi-section long dragon-shaped floating bodies among which certain oscillating ranges exist with connecting devices, and a recreator can sit on the independent bar floating blocks floating on the water surface and paddles in the water to make the long dragon-shaped floating bodies move about; each bar floating block consists of two floating machines arranged at the ends and a connecting plate connecting the floating machines at both ends; the connecting plate is positioned below the floating machines at both ends; the floating machines are connected with the connecting plate through connecting rods; and one end of each connecting rod is fixed below the floating machines, while the other end passes through a connecting hole on the connecting plate and is connected with the connecting plate. The recreator sits on the connecting plate, and the body floats through the floating machines at both ends, so that the upper body of the recreator is ensured to float on the water surface, and the bar floating blocks move about in water when the recreator paddles in the water.
Owner:王鹏翔

Transmission device of front and rear wheel 360-degree steering bicycle

InactiveCN104097738AMake a sharp turnGentle in progressWheel based transmissionChain/belt transmissionShortest distanceEngineering
The invention belongs to the field of bicycle transmission devices, in particular to a transmission device of a front and rear wheel 360-degree steering bicycle. The transmission device comprises a chain wheel A, a chain wheel B, a chain wheel C, a chain wheel D, a bevel gear A, a bevel gear B, a bevel gear C and a bevel gear D, wherein the chain wheel A is driven to rotate under the drive of manpower and drives the chain wheel B to rotate by a chain B; the chain wheel B and the bevel gear A which is in rigid connection with the chain wheel B are rotated around a fixed shaft I; the bevel gear B is meshed with the bevel gear A; the bevel gear B and the bevel gear C which is fixedly connected with the bevel gear B are rotated around a fixed shaft II; the bevel gear D is meshed with the bevel gear C; the bevel gear D and the chain wheel C which is in rigid connection with the bevel gear D are rotated around a fixed shaft III; the chain wheel C drives the chain wheel D to rotate by a chain A, so that wheels are driven to rotate. According to the transmission device, the front and rear wheels are both allowed to control the steering, the translation and the sudden turning motion of the bicycle are realized, and the bicycle can turn around in a limited space range, changes the bicycle head direction in a narrow channel and rapidly reverses in a short distance.
Owner:ZHAOQING UNIV

Rolling shear type straw briquetting machine

The invention discloses a rolling shear type straw briquetting machine which comprises a power device, a transmission device, a feeding device and a straw briquetting device, wherein the power device is connected with the transmission device, the transmission device is connected with a frame, the frame is provided with the straw briquetting device, and the feeding device is connected with the straw briquetting device. The rolling shear type straw briquetting machine is characterized in that the straw briquetting device comprises a cutter main body, round blades, hobbing cutters and a hobbing cutter rest, wherein the inside of the cutter main body is provided with cutter teeth, a tapered feed inlet is formed between two adjacent cutter teeth, the two sides of the cutter main body are respectively provided with a round blade, the inside of each round blade is provided with cutter teeth, the hobbing cutter rest is connected with the frame, at least two hobbing cutters are arranged on the hobbing cutter rest, the blade of each hobbing cutter is arranged in an annular cutter groove formed between the round blades and the cutter main body, and the hobbing cutters are driven by the hobbing cutter rest so as to rotate along the annular cutter groove. By using the rolling shear type straw briquetting machine disclosed by the invention, the production efficiency is greatly improved, the machine is not easy to crash, and the straws are not easy to carbonize, therefore, the machine complies with the orientation of national environmental protection policies.
Owner:潘留华 +1

High-speed serial expansion interface

The invention provides a high-speed serial expansion interface, and relates to the technical field of serial interfaces. The high-speed serial expansion interface comprises a main body, one side of the main body is fixedly connected with a serial interface, the outer side of the serial interface is provided with a protection assembly, the protection assembly comprises two protection covers, the two protection covers are arranged on the outer side of the serial interface in a sleeving mode and are oppositely arranged, the two sides of the two protection covers are fixedly connected with connecting pieces, one end of the connecting piece is fixedly connected with a moving block. According to the high-speed serial expansion interface, when the protective cover is separated, the serial interface is exposed, protection of the serial interface is facilitated, dust prevention treatment on the serial interface when the high-speed serial expansion interface is not used at ordinary times is avoided, meanwhile, when a rack moves to enable a one-way limiting clamping jaw to be connected with a torsional spring through a rotating rod, the rack is used for clamping, so that the connecting plate can be limited, the protection assembly is in an open state, and at the moment, the external connecting terminal is connected with the serial interface in an inserting manner.
Owner:江苏富浩电子科技有限公司

Battery disassembling method and disassembling mechanism with wireless temperature measurement function

The invention discloses a battery disassembling method and disassembling mechanism with a wireless temperature measurement function. The battery disassembling mechanism comprises an overturning assembly, a carrier assembly, a working face, a pull-down assembly, a wireless infrared sensor assembly, an upper suction cup and a lower suction cup. The overturning assembly is fixed to the position above the working face, and the carrier assembly is fixed to the middle position of the working face; the pull-down assembly is fixed below the carrier assembly, and the wireless infrared sensor assembly is fixed above the left side of a mobile phone battery; and the upper suction cup is fixed to an upper suction cup fixing plate, the upper suction cup is fixed to the overturning assembly, the lower suction cup is arranged below the upper suction cup, and the lower suction cup is fixed to the middle of the carrier assembly. According to the battery disassembling mechanism with the wireless temperature measurement function, the surface temperature of the mobile phone battery is detected, and the optimal battery disassembling condition is met; internal parts of the mobile phone cannot be damaged; and the defects that a traditional mobile phone battery disassembling device is low in automation degree, long in consumed time, prone to injuring a mobile phone and high in dependence on operators are overcome.
Owner:上海莘翔自动化科技有限公司

A kind of three-layer medical infusion bag and its manufacturing method

The invention aims to provide a three-layer medical infusion bag. The three-layer medical infusion bag comprises a flat infusion bag body of a three-layer structure. The three-layer structure comprises an inner bag layer made of polyethylene material, a middle bag layer made of polypropylene and styrene-ethylene / butylene-styrene segmented copolymer material and an outer bag layer which is a blended layer of polypropylene, carboxylated styrene-ethylene / butylene-styrene segmented copolymer and anionic polymerization nylon nanocomposite. The barrier performance of the anionic polymerization nylon nanocomposite of the outer bag layer is excellent. Air inlet is not needed in the infusion process and medicine liquid can automatically flow and is completely drained through the design of the thickness and the width of the infusion bag body, and therefore the whole infusion bag is good in safety, barrier property and infusion performance. The invention further provides a manufacturing method of the three-layer medical infusion bag. One-time injection molding and air blowing are conducted through a three-die-head injection molding die, the whole process is simple and advanced, one-time forming is achieved, the method is suitable for production of the infusion bag, and the manufactured infusion bag meets the infusion requirement.
Owner:ANHUI DOUBLE CRANE PHARMA

Transformer bushing partial discharge three-dimensional positioning method and system based on planar UHF sensor

The invention discloses a transformer bushing partial discharge three-dimensional positioning system and method based on planar UHF sensors, the system comprises a planar UHF sensor array, an electromagnetic wave signal preprocessing module and a partial discharge three-dimensional positioning module, and the method comprises the steps: firstly, placing four UHF sensors on a horizontal plane around a bushing partial discharge source to collect electromagnetic wave signals radiated by a transformer bushing PD source; performing energy conversion on the four groups of electromagnetic wave signals to obtain an energy accumulation curve, and obtaining the time difference of the four groups of electromagnetic wave signals through an energy correlation search method; and finally, constructing a hyperboloid nonlinear equation set based on the coordinate information of the four UHF sensors and the time difference, and obtaining the three-dimensional coordinates of the PD source of the transformer bushing through a successive approximation method and a grid search method. Compared with the prior art, the method is simple and convenient, and the three-dimensional positioning result is accurate and reliable.
Owner:WUHAN NARI LIABILITY OF STATE GRID ELECTRIC POWER RES INST +3

Calculation method of oil production in block under gas flooding co2 and n2 development mode

The present invention provides a gas-driven CO 2 , N 2 The method for calculating the oil production of the block under the development mode includes: step 1, using the minimum miscible pressure experiment or long core flooding experiment to determine the gas-flooding oil displacement efficiency Edg under different pressure levels; step 2, calculating the residual oil under different development stages Saturation Sor; Step 3, use the reservoir engineering method to calculate the water flooding wave Evw and coefficient and gas flooding sweep coefficient Evg; Step 4, predict the water flooding production Qw` in the same period according to the reservoir engineering method; Step 5, calculate the water flooding according to the above results Block-to-gas flooding production. The gas drive CO of the present invention 2 , N 2 The oil production calculation method of the block under the development mode is based on laboratory experiments and reservoir engineering, and through certain calculations and analysis, the oil production of the gas drive block is obtained, which solves the long-term basis for production calculation. Conversion and estimation, and unreasonable mineral production allocation. It provides the possibility for more accurate and efficient preparation of gas flooding development plan, mine production allocation and gas flooding potential evaluation.
Owner:CHINA PETROLEUM & CHEM CORP +1

A block hole type pressureless sintered silicon carbide heat exchange module and process

The invention belongs to the technical field of engineering ceramic materials, and in particular relates to a block hole type pressureless sintered silicon carbide heat exchange module and a process. It includes at least one sintering unit, and the sintering unit includes a lower plate, a horizontal grid, a middle plate, a vertical grid and an upper plate from bottom to top, and the horizontal grid and the vertical grid are each provided with several parallel They are arranged at intervals of a certain distance, and side bars are set at the borders of the horizontal grid bars and the vertical grid bars. In the present invention, the lower plate, the horizontal grid, the middle plate, the vertical grid, and the upper plate are bonded together for sintering, which effectively solves the problem of the gap between the traditional heat exchange tube and the baffle plate, and avoids the resonance of the heat exchange tube. And fracture occurs; different from the O-ring seal used in the tube-and-tube heat exchanger, the block-hole heat exchanger adopts end-face sealing; which greatly increases the safety and stability of the silicon carbide heat exchanger. The invention has the advantages of high strength, impact resistance, reliable sealing, not easy to break, etc., and effectively improves the service performance of the silicon carbide heat exchange module.
Owner:威海华瓷新材料有限责任公司

Block hole-type pressureless sintering silicon carbide heat-exchange module and process thereof

The invention belongs to the technical field of engineering ceramic materials, and particularly relates to a block hole-type pressureless sintering silicon carbide heat-exchange module and a process thereof. The module comprises at least one sintering unit, each sintering unit sequentially comprises a lower plate, a plurality of transverse lattice bars, a middle plate, a plurality of vertical lattice bars and an upper plate from bottom to top, the transverse lattice bars and the vertical lattice bars are arranged at certain intervals, and edgings are arranged on the boundaries of the transverse lattice bars and the vertical lattice bars. The lower plate, the transverse lattice bars, the middle plate, the vertical lattice bars and the upper plate are bonded together to be sintered, the problem that a gap exists between a traditional heat exchange pipe and a baffle plate is effectively solved, and the heat exchange pipe is prevented from being broken due to resonance; different from O-shaped ring sealing adopted by a tube type heat exchanger, end face sealing is adopted by a block hole type heat exchanger; and the use safety and stability of the silicon carbide heat exchanger are greatly improved. The silicon carbide heat-exchange module has the advantages of being high in strength, resistant to impact, reliable in sealing, not prone to breakage and the like, and the use performance is effectively improved.
Owner:威海华瓷新材料有限责任公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products