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31results about How to "Solve space occupation" patented technology

Hybrid index structure with storage perception

The invention discloses a hybrid index structure with storage perception, and belongs to the technical field of database query. The hybrid index structure is divided into a tree index structure from top to bottom, including three parts of a top layer in a primary storage, an interlayer in internal storage, and a bottom layer in an external storage. The top layer, the interlayer, and the bottom layer are stored in the internal storage when the internal storage is sufficient. Partial or all interlayer is stored in the external storage when the internal storage is insufficient. The invention also discloses a creation method, a reading method, a range query method, and a reconstruction method of the hybrid index structure. Through memory map, when the internal storage is insufficient, part index data is stored in the external storage, so as to effectively use the internal storage and the external storage and other storage resources. The internal and external storage occupation ratio of the hybrid index structure can be rationally decided according to system conditions or user efficiency requirements, so as to improve query efficiency.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Dual-frequency microstrip antenna applied to wireless capsule?endoscope

The invention discloses a dual-frequency microstrip antenna applied to a wireless capsule?endoscope. The microstrip antenna is attached to the outer wall of the capsule of the wireless capsule?endoscope. The dual-frequency microstrip antenna applied to the wireless capsule?endoscope is characterized in that the microstrip antenna comprises a feeder terminal, an outer loop antenna part and an inner loop antenna part, wherein the feeder terminal serves as the input end of the microstrip antenna; the outer loop antenna part and the inner loop antenna part are electrically connected with the feeder terminal; the length of the outer loop antenna part is corresponding to the full wavelength of the center frequency of a first desired frequency band; the length of the inner loop antenna part is corresponding to the full wavelength of the center frequency of a second desired frequency band; the inner loop antenna part is embedded inside the outer loop antenna part; and the center frequencies of the first desired frequency band and the second desired frequency band are no more than 1 Ghz. The antenna is a wall-attaching antenna attached to the outer wall of the capsule, the working frequency is lower than 1Ghz, an ultra?bandwidth is provided, the size is small, and the antenna is suitable to work inside the small intestine of a human body.
Owner:XIAN JIAOTONG LIVERPOOL UNIV

Monolithic integration device for tera-hertz time domain spectral system and preparation method

The invention discloses a monolithic integration device for a tera-hertz time domain spectral system and a preparation method. Through a stripping transfer and bonding technique of a low-temperature GaAs film, the production and the reception of tera-hertz are integrated into the same substrate, so that the monolithic integration device has the characteristics of being small in size, light in weight, low in cost and convenient to operate. The device structurally comprises a photoconduction antenna, a metal waveguide and a base, wherein the photoconduction antenna consists of metal electrodes and a low-temperature GaAs film; the metal waveguide is a microstrip line for transmitting the tera-hertz; the base consists of BCB media, an Au metal backing plate and a silicon base. Through the adoption of the monolithic integration device and the preparation method thereof disclosed by the invention, the problem of high space occupation of a conventional tera-hertz time domain spectral system is solved, and all parts of the system are integrated to the same substrate; besides, in the measuring process, only a few number of samples are needed to obtain corresponding information; on the other hand, tera-hertz collimation adjustment before sample measurement is reduced, so that sample measuring steps are more succinct.
Owner:CAPITAL NORMAL UNIVERSITY

Multi-functional foldable medical nursing bed

InactiveCN107184335ASolve the problem of not being able to get out of bed to defecateSolve space occupationNursing bedsAmbulance serviceEngineeringBed boards
The invention discloses a multi-functional foldable medical nursing bed which comprises a bed body, wherein an upper bed plate is disposed on one side of the bed body; the upper bed plate is connected to the bed body by a first transmission shaft; a middle bed plate is disposed on the side of the bed body close to the upper bed plate; the upper bed plate is connected to the middle bed plate by a second connecting part; a lower bed plate is disposed on the side of the bed body close to the middle bed plate; the lower bed plate is connected to the middle bed plate by a first connecting part; guard bars distributed symmetrically are disposed on two sides of the upper bed plate; a neck pillow is disposed on the middle part of the guard bars; by a rotation plate disposed on the middle bed plate of the nursing bed and a stool box under the rotation plate, so the problem that a patient cannot get off the bed to relieve the bowels can be solved; a radio box is disposed beside the neck pillow, so the patient is provided with spirit entertainment; a dining table is inlaid into the bed body, so the problem of space occupation of the patient's dining table can be solved; and recovery training can be provided to the patient who is nearly well-healed.
Owner:赵瑞娟

A method for reconstructing a mixed index with storage perception

The invention discloses a method for reconstructing a mixed index with storage perception, belonging to the technical field of database query. The hybrid index structure is divided into top layer in main memory, middle layer in memory and bottom layer in external memory. The top layer and middle layer are all stored in memory when there is enough memory, and the middle layer is stored in externalmemory when there is not enough memory. The invention also discloses a method for creating a mixed index structure, a read method, a range query method, and a reconstruction method store part of indexdata in external storage when memory is insufficient through memory mapping length, effectively utilize storage resources such as memory and external storage, and can reasonably decide the proportionof internal and external storage of index structure according to system conditions or user efficiency requirements, and improve query efficiency.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Error information recording method and apparatus

The invention provides an error information recording method and apparatus. The method comprises the steps of recording route information of a program module running in a business system in a transaction process, and caching the recorded route information in a memory; and when the business system has an error, calling the route information of the program module before an error point from the memory, and storing the called route information in a system error journal file, thereby obtaining reasons for the error of the business system. According to the method and the apparatus, the route information reflecting program circulation is cached, called and stored, so that the problem in quick locating of error reasons and the problem of production space occupation can be solved at the same time.
Owner:BANK OF CHINA

A folded-type electronic scale

The invention discloses a folded-type electronic scale comprising an electronic scale chassis, a T-shaped pull bar, a hook, an electronic screen and a pressure sensor. The electronic scale chassis is long-strip-shaped. The electronic scale chassis is provided with a T-shaped slide chute, of which the shaped is matched with the T-shaped pull bar and a hook slide chute, of which the shaped is matched with the hook. The electronic screen is arranged on the electronic scale chassis. The pressure sensor is arranged on an object-hooking surface of the hook. In usage, the T-shaped pull bar is made to slide along the T-shaped slide chute and pulled away and thus being used for weighing. When the folded-type electronic scale is not used, the T-shaped pull bar is received in the T-shaped slide chute, and the hook is received in the hook slide chute. The folded-type electronic scale is small in size, convenient to carry and convenient to use.
Owner:NANJING UNIV OF SCI & TECH

Binding elastic fixation rope system for distal tibiofibular syndesmosis separation

ActiveCN112957112ASolve the problem of uneven tension distributionSolve space occupationInternal osteosythesisBiologyBiomedical engineering
The invention relates to the field of medical instruments, in particular to a binding elastic fixation rope system for distal tibiofibular syndesmosis separation. The binding elastic fixation rope system comprises a rope tension measuring device and a rope fixing device. The rope tension measuring device comprises a hollow cylindrical shell, a spring adjusting nut, a spring adjusting threaded sleeve, an end cover and a spring; an annular protrusion is arranged on the inner side face of one end of the shell, and a groove-shaped guide rail is arranged on each of the two sides of the inner side face; the side face of the shell is dug to facilitate hanging of a rope. and the other end of the shell sleeves a rope fastening device, the two side faces of the shell are excavated, so that the rope fastening device can be conveniently screwed into the shell, and the shell is not broken by excavation, to prevent the shell from inclining when the shell is placed on a bone surface. According to the design of the invention, the accuracy of the tension of the binding elastic fixing rope for distal tibiofibular syndesmosis is improved, thereby solving the problem that the tension of the rope is not uniformly distributed, fixing devices at the two ends are arranged in bone cortex, thereby avoiding space occupation in soft tissue; and a more scientific basis is provided for clinical application.
Owner:山东大学齐鲁医院(青岛)

Environment-friendly weather-resistant wood-plastic floor tile and preparation method thereof

The invention discloses an environment-friendly weather-resistant wood-plastic floor tile and a preparation method thereof, and relates to the field of floor tiles. The environment-friendly weather-resistant wood-plastic floor tile comprises the following raw materials of, by parts, 20-30 parts of polyvinyl chloride, 35-50 parts of waste plastic, 30-40 parts of scrap cardboard, 15-25 parts of bamboo powder, 8-15 parts of glass fiber, 8-15 parts of attapulgite, 10-20 parts of light calcium carbonate, 3-6 parts of tourmaline powder, 5-10 parts of nano titanium dioxide, 2-4 parts of methyl methacrylate, 1.8-3.2 parts of silane coupling agents and 2.4-3.5 parts of antibacterial agents. The environment-friendly weather-resistant wood-plastic floor tile is stable in properties, has good corrosion resistance, pressure resistance and weather resistance. The environment-friendly weather-resistant wood-plastic floor tile adopts the waste plastics and the scrap cardboard as the main raw materials, the problem of environmental pollution caused by the waste plastics and the scrap cardboard is solved, meanwhile, waste resources are rationally recycled, energy consumption is saved, and environmental protection is realized.
Owner:合肥慧林建材有限公司

Filter, refrigerating system, indoor unit and air conditioner

The invention provides a filter for filtering a refrigerant in a refrigerating system. The filter comprises at least two filter channels, wherein the at least two filter channels are integrally arranged in parallel; the at least two filter channels are provided with filter cavities; and filter screen devices are arranged in the filter cavities. An integrated filter in which multiple filter channels are connected in parallel is designed, so that multi-time filter needs, on the refrigerant, in the refrigerating system are met, space occupation problem of multiple filter device bodies is solved,once assembly and once noise-reduction treatment only need to perform on an integrated structure, space occupation is reduced, a small-sized design of the indoor unit of the air conditioner is facilitated, number of parts is reduced, and production cost is reduced.
Owner:GREE ELECTRIC APPLIANCES INC

Wireless sensor system for monitoring acceleration value in aircraft vibration test

The invention relates to the technical field of wireless measurement and control, and discloses a wireless sensor system for monitoring an acceleration value in an aircraft vibration test. The systemcomprises a wireless sensor module used for acquiring X, Y and Z three-axial acceleration values in an environment according to an acquisition instruction, a control module connected with the wirelesssensor module and used for sending an acquisition instruction to the wireless sensor module and receiving, processing, forwarding and storing the acceleration value acquired by the wireless sensor module, a wireless module connected with the control module and used for transmitting the processed acceleration value to an upper computer coordinator and communicating with other wireless sensors, anda power supply module used for supplying power to the system. Therefore, the acceleration parameters can be obtained in real time, cable connection is not needed, and the problems of complex wiring and aircraft space occupation are solved.
Owner:BEIJING ZHENXING METROLOGY & TEST INST

Inferior tibiofibular syndesmosis separation binding elastic fixation cable system

ActiveCN112957112BSolve the problem of uneven tension distributionSolve space occupationInternal osteosythesisTibiaMedical equipment
The invention relates to the field of medical equipment, in particular to a lower tibia-fibular syndesmosis separation and binding elastic fixing cable system, comprising a cable tension measuring device and a cable fixing device, wherein the cable tension measuring device comprises a hollow cylindrical The outer shell, spring adjustment nut, spring adjustment threaded sleeve, end cover and spring, the inner side of one end of the outer casing is provided with an annular protrusion, and both sides of the inner side are provided with groove-shaped guide rails; ; The other end of the shell is sleeved with a cable fastening device, and the two sides are dug out to facilitate screwing into the cable fastening device, and the shell is not cut out to prevent the shell from tilting when it is placed on the bone surface. The invention is designed to improve the accuracy of bundling and elastically fix the cable tension of the lower tibia-fibular syndesmosis, thereby solving the problem of uneven distribution of cable tension, and the fixation devices at both ends are placed in the cortical bone to solve the problem of occupying space in the soft tissue, which is a clinical provide a more scientific basis.
Owner:青岛山大齐鲁医院(山东大学齐鲁医院(青岛))

A self-conducting disc-type series total heat exchange core

The invention relates to an indoor heat exchange and ventilation device, in particular to a self-conduction disc type series full heat exchange core. The self-conduction disc type series full heat exchange core comprises an upper disc, a lower disc, a moisture permeable thin film, a rubber pressing strip, a first connecting pipe and a second connecting pipe; the upper disc body is an aluminum alloy tubular body with a built-in hollow and a rectangular section; and the upper gap leading-out part is the rectangular body with the built-in hollow. The full-heat-exchange and whole-course countercurrent in the ventilation process is realized, the humidity and temperature exchange is ensured, more energy is saved, a smaller size can be used, the problem of space occupation is solved, and high-efficiency humidity exchange is realized by using the combination of the disc bodies.
Owner:ZHEJIANG JILONG MACHINERY CO LTD

Device and method for precisely measuring the position and orientation of a six-degree-of-freedom parallel mechanism dynamic platform

The invention belongs to the technical field of measuring equipment, in particular relates to a device and a method for accurately measuring position and posture of a six-degree-of-freedom parallel mechanism movable platform. The device and the method for accurately measuring the position and posture of the six-degree-of-freedom parallel mechanism movable platform aim at solving the problems thatthe position and posture measuring instrument of the six-degree-of-freedom parallel mechanism movable platform in the prior art has high cost and low measuring precision and the requirement of high precision measurement of the position and posture in special occasions cannot be met. The invention provides a device and a method for accurately measuring the position and posture of the six-degree-of-freedom parallel mechanism movable platform. The device and the method for accurately measuring the position and posture of the six-degree-of-freedom parallel mechanism movable platform comprises a large-load six-degree-of-freedom parallel mechanism, a high-precision six-degree-of-freedom parallel mechanism driven by piezoelectric ceramics, a connector connected between the two and a controller. When the large-load six-degree-of-freedom parallel mechanism moves, the position and posture of the high-precision parallel mechanism are adjusted and measured according to the numerical value fed backby the connector, so that the movable platform of the high-precision parallel mechanism moves along with the movable platform of the large-load parallel mechanism, and the position and the posture ofthe large-load six-degree-of-freedom parallel mechanism are calculated. According to the device and the method for accurately measuring the position and posture of the six-degree-of-freedom parallelmechanism movable platform, the cost is low, the measuring precision is high, and the practicability is high.
Owner:INST OF AUTOMATION CHINESE ACAD OF SCI

Architectural design and display platform

The invention relates to an architectural design and a display platform. The platform comprises a bracket, a first flat plate and a second flat plate, the up and down of the second flat plate is juxtaposed and parallel to the up and sown of the first flat plate, and left and right end portions of the second flat plate and the left and right end portions of the first flat plate are respectively correspondingly connected and through connecting rods; the second flat plate is provided with a rotatable turntable, four transparent plates are arranged on the rotatable turntable, the transparent plates are of isosceles trapezoidal structures, the four transparent plates are uniformly distributed on the circumference of the turntable, so that the upper bottom surfaces of the four transparent platesare oppositely arranged two by two, and the ends where the upper bottom surfaces are located of the transparent plates are hinged to the turntable through axes parallel to the upper bottom surfaces of the transparent plates; through holes which penetrates through the transparent plates along the length of the lower bottom sides are formed in the ends where the lower bottom surfaces are located ofthe transparent plates, and elastic ropes sequentially penetrate through the through holes of the four transparent plates and form a closed annular structure; the turntable is provided with a plurality of display screens corresponding to the transparent plates, and the display screens are placed under the transparent plates.
Owner:ZHENGZHOU UNIVERSITY OF AERONAUTICS

Sound insulation door, door control driving mechanism, control method and railway vehicle

PendingCN114684211AImprove sound insulationPlay the role of sound insulation and shock absorptionPower-operated mechanismDoor arrangementStructural engineeringMechanical engineering
The invention firstly provides a sound insulation door which comprises a door body, a door body frame, a door control driving mechanism and a bottom sliding mechanism, the door body frame is provided with a cavity, and a sound insulation material is attached to the cavity and / or a vibration reduction material is filled in the cavity; the door body is assembled and fixed with the door body frame and comprises panels on the two sides, a vibration reduction material and a sound insulation material, and the vibration reduction material and the sound insulation material are pressed between the two panels; the door control driving mechanism is assembled with an assembly formed by assembling the door body and the door body frame and drives the sound insulation door to be opened and closed; the bottom sliding mechanism is assembled and fixed with the door body frame and / or the lower portion of the door body and comprises a lower sliding groove with an opening in the bottom, the top of a lower sliding guide rail laid on the ground is inserted into the lower sliding groove so that the sound insulation door can move in parallel along the lower sliding guide rail, and a noise reduction assembly is arranged in an inner cavity of the lower sliding groove. The invention further provides a door control driving mechanism and a corresponding control method, and further provides a railway vehicle provided with the sound insulation door.
Owner:CRRC QINGDAO SIFANG CO LTD

Crane power transmission device

PendingCN107826980ASmall pressure lossSolve the problem of chassis space occupationLoad-engaging elementsTransfer casePower transmission
The invention provides a crane power transmission device. The crane power transmission device comprises a first transmission shaft, a second transmission shaft, a third transmission shaft, a first angle driver and a second angle driver; one end of the first transmission shaft is connected with an output shaft of a crane chassis transfer case; the other end of the first transmission shaft is connected with an input shaft of the first angle driver; an output shaft of the first angle driver is connected with one end of the second transmission shaft; the other end of the second transmission shaftis connected with an input shaft of the second angle driver; an output shaft of the second angle driver is connected with one end of the third transmission shaft; and the other end of the third transmission shaft is connected with an oil pump of a hydraulic system of an upper car of a crane. The crane power transmission device is used for directly outputting power of a chassis of the crane to theupper car of the crane through a mechanical transfer mode; and the hydraulic system of the upper car is used for driving operation of a lifting mechanism, a revolving mechanism and an amplitude changemechanism of the upper car of the crane, so that the power transfer problem from the bottom to the upper car in a traditional high-tonnage crane is solved.
Owner:ANHUI LIUGONG CRANE

Integrated hidden drying sterilization fresh-air wardrobe

The invention relates to an integrated concealed drying and sterilizing fresh air wardrobe, which includes a cabinet body with a storage space inside, a fresh air system and a drying and sterilizing device fixedly connected thereto; the fresh air system is extended with an air duct, the The first air outlet is provided on the outer side of the matching cabinet body of the air induction channel, and the second air outlet is provided on the matching drying and sterilizing device; The integration of the wardrobe, and the application of the volute fan and the inclined heat exchange device set up to achieve thin equipment, thereby effectively solving the problem of space occupation of related equipment.
Owner:SHENZHEN WOHAISEN TECH CO LTD

Rigid-elastic mooring deep-sea platform structure

The invention discloses a rigid-elastic mooring deep-sea platform structure. The rigid-elastic mooring deep-sea platform structure comprises a working platform, a buoyancy tank, a supporting mechanismand a linear mooring mechanism; the supporting mechanism is supported between the working platform and the buoyancy tank; a mooring system adopts a pure anchor chain tension-type rigid mooring system; a magnet-spring system connecting device is mounted above an anchor chain to realize a function of converting rigid mooring into elastic mooring under the action of rare super wind and wave; a supporting column is in the form of a solid circular rod; a square steel pipe placed at angle of 45 degrees is used as a tie beam; and a cable is arranged in the inwardly and obliquely crossed form on a platform contour. According to the rigid-elastic mooring deep-sea platform structure, a problem that an existing sea platform is in small-amplitude shaking for a long time is effectively solved; vertical and horizontal effects of sea waves and ocean currents are reduced; a space occupation problem caused by enabling a traditional mooring cable extends outwards to the platform contour is solved so that a platform can keep stable under a sea environment.
Owner:CHINA UNIV OF MINING & TECH

Double-sided adjustable type drawing board for infant early intelligence development

The invention discloses a double-sided adjustable type drawing board for infant early intelligence development. The double-sided adjustable type drawing board comprises an adjustable type drawing board body, wherein the adjustable type drawing board body comprises a bracket and a double-sided drawing board; the bracket comprises a support rod, a slide rod and a fixed frame, and the support rod iscrossed with the top of the slide rod; the crossed part of the support rod and the slide rod is equipped with a connecting hole; a fixed part is connected at the outer side of the crossed part of thesupport rod and the slide rod in a sleeving mode, and is connected to the crossed part through a bolt; the double-sided drawing board comprises a primary board and a secondary board, wherein the primary board is connected to the top of the secondary board through an angle regulator, a slide slot is formed in the back board surface of the primary board, a blocking slot is formed inside the slide slot, the slide slot is matched with a telescopic slide rod, the other end of the telescopic slide rod is connected on the back board surface of the secondary board, and the angle regulator and the telescopic slide rod are arranged on the double-sided drawing board. Compared with a conventional double-sided drawing board, the height and the angle of the drawing board are simultaneously adjusted, andthe angle regulator is matched with the telescopic slide rod to separately regulate two drawing boards.
Owner:XIAN MEIYU INFORMATION TECH
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