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697results about How to "Simple and flexible operation" patented technology

Separating method for converting methanol to prepare low carbon olefin gas

The present invention discloses separating method for converting methanol to prepare DMTO gas, and has improved process after four section compression in the front ethane eliminating process. The present invention has one increased hydrogenating oxygen conversion step between the five section compression and the reflux accumulator of ethane eliminating tower to eliminate acetylene and oxygen produced in the regeneration. Of the condensed and cooled material through the reflux accumulator of ethane eliminating tower, the liquid phase serves as the reflux liquid of the ethane eliminating tower, the gas phase is fed to the deep cooling methane eliminating system and the material after condensing and cooling enters the high pressure methane eliminating tower directly. The DMTO gas separating process can obtain ethylene recovering rate as high as 99.5 %.
Owner:CHINA PETROCHEMICAL CORP +1

Electric stair climbing wheel chair

The invention relates to an electric stair climbing wheel chair which comprises a chair, armrests, front wheels, rear wheels and a composite chassis assembly, wherein a traveling output shaft of a power box is connected with the front wheels, and an obstacle crossing stair climbing output shaft is connected with a rear shaft gearbox; the rear shaft gearbox drives belt wheels of an obstacle crossing crawler belt, and a turning frame of the rear wheels is installed on a rear wheel shaft by a shaft sleeve; an accessory crawler belt frame is articulated with a crawler belt frame, and the accessory crawler belt frame is movably connected with the power box by a front connecting rod; the accessory crawler belt frame is connected with the turning frame of the rear wheels by a chain wheel; one end of an electric push rod is connected to a frame, and the other end drives the rear wheels to turn by a posture change mechanism; a carrying frame, the frame and one end of a rear connecting rod are coaxially fixed on a support shaft, luniform positioning blocks at both ends of the support shaft are matched with luniform buckled rings at the end parts of the crawler belt frames, and the other end of the rear connecting rod is articulated with the crawler belt frames. The invention has functions of traveling on the flat ground, crossing an obstacle and a ditch, climbing stairs up and down, and the like and has the advantages of compact structure, high automation degree, stable working, safe use and small size.
Owner:ZHEJIANG SAMPLE ELEVATOR

Refuse landfill leachate wastewater treatment system and technology

This invention relates to a refuse landfill leachate wastewater treatment system comprising a collection well, an adjustment tank, a filter, a comprehensive treatment system having a multi-stage anoxic / aerobic pool and a membrane biological reactor. The process of treatment is: waste water enters a adjustment tanke in which water quality and quantity are adjusted; subsequently, enters a filter, the water discharged from the filter and enters a comprehensive treatment system having a multi-stage anoxic / aerobic pool and a membrane biological reactor, wherein waster water is bio-chemically treated to remove the organic substances, nitrogen and ammonia, and then the wastewater is discharged into a catalyzed oxidation tower; the organic substance in waste water is oxidized on effect of ozone and under the existing catalyst function and then the biochemical capacity thereof is enhanced; and then the catalyzed and oxidized waste water enters carbon filter pool, the remaining contaminated matter can be further removed by degradation of the anoxic oxidation of the biological membrane on the packing material in pool, then the output water meets the requirement of National Standard or other relevant industrial standards.
Owner:KUANG ZHIPING +2

Multichannel data acquisition system and method

The multi-channel data acquisition system provided by the present invention includes an acquisition computer, an acquisition display and an acquisition end printer, the acquisition computer is equipped with a plurality of A / D acquisition cards and a buffer, and each A / D acquisition card input terminal is provided with a voltage Isolation conditioner, the acquisition computer is connected to the control computer and the echo computer through the back end of the Ethernet, the control computer is installed with a dual-screen display card, and connected to the master and slave monitors and the control terminal printer respectively, and the echo computer is connected to the echo display and the echo printer. The invention also provides a method for multi-channel data acquisition. The invention has the advantages of being able to measure multiple channels, suitable for multi-signal recording occasions, convenient display and printing of data and waveforms, high degree of automation and accuracy, and conducive to intelligent acquisition, especially suitable for rocket launching and weapon testing , petrochemical and other dangerous and heavily polluted on-site signal detection and recording occasions.
Owner:蔡远文 +8

Dataglove Having Tactile Feedback and Method

A data glove for generating tactile feedback at a finger upon interaction of the finger with an interaction element on an infrared touchscreen includes receiving elements for receiving the fingers of an operator and stimulators for generating tactile feedback attached on the finger-receiving elements. The date glove also includes elements for identifying the finger interacting with the infrared touchscreen and a signal generator for exciting the stimulator of the interacting finger upon successful actuation of an interaction element on the infrared touchscreen.
Owner:AIRBUS DEFENCE & SPACE

Secondary door access system adopting biological character identification technology and control method

The invention relates to a two-door gate inhibition system and a control method, based on biology character recognize technique, comprising a biology character gate inhibition device, a controller, an electric lock, a switch box, a biology character register terminal, and a gate inhibition system server, wherein the biology character register terminal registers the biology character information, to record and build database for general biology character and alarm biology character, when passes two doors, the gate inhibition device checks and receives biology character, to extract and compare the biology character information, and when the biology character information is authorized one, to send an outer door open request to the controller, and when the biology character information is alarm biology character, send out an outdoor door open request and an alarm signal. The invention provides forced alarm method, to open door with starting alarm response, to alarm on time and protect owner.
Owner:ZHEJIANG MIAXIS TECH CO LTD

Parameter quantization method of spiking neural network (SNN)

The invention relates to the field of neural network technology, and particularly to a parameter quantization method of a spiking neural network (SNN). According to the method of the invention, the original spiking neural network of which training is completed is obtained through offline mapping or online training, parameters of weights, thresholds, leakage constants, set voltage, refractory periods, synaptic delay and the like of the spiking neural network of which training is completed are quantified, and all layers of the neural network can share the same set of quantified parameters or each layer respectively has one set of quantified parameters. The spiking neural network after parameter quantization requires only a small number of parameters for realizing high-precision spiking-neural-network functions. According to the method, parameter storage space of the spiking neural network is effectively saved while high precision is maintained, operation speed is improved, and operationpower consumption is lowered.
Owner:UNIV OF ELECTRONICS SCI & TECH OF CHINA

DCS algorithm-based satellite-borne video SAR (synthetic aperture radar) imaging processing method

The invention discloses a DCS algorithm-based satellite-borne video SAR (synthetic aperture radar) imaging processing method. The method includes the following steps that: 1, satellite-borne SAR beam bunching mode echo simulation data and corresponding parameters are read; 2, Doppler bandwidth and synthetic aperture time required by frame images are determined; 3, a data partitioning mode is determined, and data are partitioned; 4, de-sloping processing is performed on frame segment data in an azimuth direction; 5, signals obtained after the de-sloping processing are subjected to azimuth-direction Fourier transform, multiplied by an CS factor, subjected to range-direction Fourier transform, and multiplied by a range-direction compensation factor sequentially; 6, the phase difference between the center slope distance of each frame of data and the center slope distance of the entire echo data is compensated; 7, range-direction Fourier transform, azimuth-direction compensation processing, azimuth-direction inverse Fourier transform are performed, so that an imaging result can be obtained; 8, step 4 to step 7 are repeated, so that all frame images can be obtained; and a video SAR product can be obtained. With the DCS algorithm-based satellite-borne video SAR imaging processing method of the invention adopted, the resolutions of the frame images can be consistent.
Owner:BEIHANG UNIV

Lifting platform for shaft construction

The invention discloses a lifting platform for shaft construction, comprising an operating platform, a lifter and an electrical control system, wherein the electrical control system controls the lifter to lift the operating platform via a working steel cable, the operating platform is composed of 6 to 12 trapezoid unit joints, at least four groups of anti-collision wall-against wheels are annularly arranged around the operating platform, and the bottom of the operating platform is circumferentially provided with at least four lead screw supporting components. The lifting platform for shaft construction has the advantages of strong construction adaptability, unlimited construction height, small floor area, good construction quality, high construction efficiency, great convenience of erection and disassembly, less labor, low labor intensity and the like. The trapezoid units, which are combined as required by construction, adapt to the construction requirement under different shaft situations, excellent convenience and flexibility are obtained during installation and usage, construction time is saved, and construction cost is lowered; the anti-collision wall-against wheels and the lead screw supporting components can be adjusted to adapt to the different requirements of shaft construction, and the lifting platform can conveniently and safely prevent the operating platform from shaking and becomes more stable and reliable as a whole.
Owner:中国水利水电第七工程局成都水电建设工程有限公司

Electric vehicle charge station with energy storage device

The invention discloses an electric vehicle charge station with an energy storage device, which comprises an alternating current power grid, monitoring equipment, energy storage equipment and charge equipment, wherein the alternating current power grid is accessed into the input end of the energy storage equipment sequentially through a high-voltage relay protection cabinet, a three-phase transformer and a low-voltage relay protective cabinet, the output end of the energy storage equipment is connected with the input end of the charge equipment through a switch, and the monitoring equipment monitors and controls the alternating current power grid, the energy storage equipment and the charge equipment. The charge station is suitable for rapid charge of various types of electric vehicles and can effectively overcome the problem of huge current impact brought by the rapid charge to the power grid by the electric vehicle, thereby ensuring the stable operation of an electric power system. The invention has the advantages of low construction cost, simple and convenient maintenance and high economic benefit.
Owner:SOUTHEAST UNIV

Desulfurization and denitrification process utilizing microwave to intermittently irradiate activated carbon

Disclosed is a desulfurization and denitrification process utilizing microwave to intermittently irradiate activated carbon. Two or more adsorption beds filled with activated carbon particles are used for adsorbing or implementing microwave irradiation to flue gas of boilers alternatively. Flue gas is delivered into one of the adsorption beds by an induced draft fan, then the adsorption bed begins to run, and sulfur and nitric oxides in the flue gas are adsorbed by the activated carbon. After the activated carbon in the adsorption bed in running is saturated, the adsorption bed is in a regenerating state so as to be reused. The flue gas is delivered into the other adsorption bed beginning to run so as to be adsorbed, activated carbon particles of the regenerating adsorption bed are irradiated by microwave, sulfur and nitric oxides adsorbed on the surface of the activated carbon are quickly reduced and decomposed into elemental sulfur and nitrogen gas under high temperature, and the different adsorption beds are switched between the running state and the regenerating stage alternatively. Metal oxide is used as a reduction reaction catalyst so as to reduce reduction and decomposition temperature and loss of carbon. By the desulfurization and denitrification process, energy consumption of microwave irradiation can be reduced greatly, loss of carbon can be decreased, and in-situ regeneration of activated carbon is realized. In addition, the desulfurization and denitrification process has the advantages of fine desulfurization and denitrification effect, short time for regeneration of activated carbon, low cost for desulfurization and denitrification, high recovery rate, easiness in industrialized implementing and the like.
Owner:NORTH CHINA ELECTRIC POWER UNIV (BAODING)

Multi-person voice video call method and system based on WebRTC

The invention discloses a multi-person voice video call method based on WebRTC, and the method comprises the following steps: enabling users to send multiple call requests at the same time through specifying connection room number Room IDs and room sizes; finally achieving the multi-person voice video call through the building of P2P connection between each two users. A communication mechanism based on WebRTC enables a system to be flexible in operation, to be quick in response and to be low in delay. A series of signal exchange and SDP negotiation is needed in the P2P connection building process. Faced with a complex network environment, the mature NAT penetrating technology can enable the users in different local area networks to communicate with each other directly. Based on the development of an Android platform, the method can be applied to various types of mobile equipment more widely, improves the applicability and flexibility, and is suitable for a small-scale multi-person voice video call.
Owner:ZHONGSHAN INST OF MODERN IND TECH SOUTH CHINA UNIV OF TECH +1

Sintering machine

A sintering machine comprises a sintering pallet, an igniter, a wind cover and an air bellow. The sintering pallet allows a sintering raw material bed layer including solid fuel to move on the sintering pallet; the igniter is located on the front portion above the sintering pallet; the air cover is located on the rear portion above the sintering pallet; the air bellow is located below the sintering pallet, used for converging smoke obtained after combustion and connected with a smoke pipeline allowing the smoke to be exhausted. The sintering machine is characterized by further comprising at least one air inlet located in the top of the wind cover, at least one fuel gas inlet located in the top of the wind cover and connected with respective fuel gas supply pipelines, and a fuel gas blowing controller arranged on at least one fuel gas supply pipeline and used for controlling the fuel gas blowing amount entering the fuel gas inlets. According to the sintering machine, the energy efficiency of the sintering process can be remarkably improved, and the universality and operation controllability of a system are improved. Based on a variable-fuel-gas-flow blowing system of the sintering machine, the problem of outstanding sintering anisotropism can be effectively relieved.
Owner:XI AN JIAOTONG UNIV

Screwing clearance-regulation detection and combination bench for vehicle main reducing gear

The invention discloses an automobile main-reducer tightening clearance-adjusting detecting integrated-table is characterized in that a clamp unit, an elevating-turning unit, a tightening clearance-adjusting unit and a torque detection unit are respectively arranged on a single work table, wherein, the clamp unit is connected with the elevating-turning unit; the torque detection unit is arranged on the lower part of the work table and the elevating-turning unit is arranged on the upper part of the work table; the tightening clearance-adjusting unit is symmetrically arranged on two sides of the work table. The invention integrates the functions of assembling, adjusting and detecting into one table to lead the whole integrating process of the main-reducer to be completed on one apparatus so as to reduce manufacturing cost, save space and provide convenience for assembling process.
Owner:ANHUI JEE AUTOMATION EQUIP CO LTD

Method for protecting data of cloud storage system

The invention relates to a method for protecting data of a cloud storage system. The cloud storage system comprises a cloud central authorization mechanism, a client processing module, cloud severs and a plurality of cloud attribute authorization mechanisms. The cloud attribute authorization mechanisms manage attribute information of registered users. The method for protecting the data of the cloud storage system has the advantages that the method is based on the various attribute authorization mechanisms specifically for attributes of the registered users, brand new encryption and decryption processes are designed for the user data stored in the cloud storage system, the safety of the user data stored in the cloud storage system is greatly improved, and risks that malicious users breach the attribute authorization mechanisms are spread as compared with an existing cloud storage system with a single authorization mechanism.
Owner:SUZHOU SIJIE MAKEDING SOFTWARE CO LTD

Radio diagnostic device for automobile fault

A radio diagnosis device for car faults includes: a host including a CPU, a supply module, a radio communication module, an input module, a display module, a test card and a printer, the diagnosis test box including a general interface circuit, a primary CPU, a slave CPU, a program storage, a data storage amd a radio communication module, in which, the host is separated with the box, which is connected with a special diagnosis base in communication, the host and the box communicate by the radio communication module to realize data exchange and transmission and the host touch screen inputs instructions to realize test to different kinds of cars and the color LCD displays the result.
Owner:LAUNCH TECH CO LTD

System and method for configuring switch panel as multifunctional control panel

The invention provides a system for configuring a switch panel as a multifunctional control panel. The system comprises a switch panel, a central control system and intelligent home equipment, wherein the switch panel is provided with a plurality of keys capable of independently performing function configurations; the central control system is used for configuring the keys of the switch panel to be of an on-off type or a control type; when the keys are configured to be of the on-off type, the on-off function can be executed by triggering the keys; when the keys are configured to be of the control type, appointed intelligent home equipment can suffer multifunctional control or intelligent home mode switching by triggering the keys through the central control system; and the central control system can perform multifunctional control on the intelligent home equipment. The invention also provides a method for configuring the switch panel as the multifunctional control panel. The system and method for configuring the switch panel as the multifunctional control panel have the beneficial effects that new equipment and cost are not increased while the intelligent home equipment is controlled or suffers intelligent home mode switching, the functions and using range of the switch panel are greatly widened, and the system has the characteristics of flexible and simple operation, high intelligent level and the like.
Owner:深圳广田智能科技有限公司

Construction method for double enzyme digestion simplified genome next generation sequencing library and matched kit

The invention provides a construction method for a simplified genome next generation sequencing library based on double enzyme digestion and a kit. Aiming at defects of an existing construction method for the double enzyme digestion simplified genome next generation sequencing library, the double enzyme digestion combined range is expanded, and excessive dependence on expensive instruments of constructing the simplified genome library is reduced, the library construction flow path is simplified, library construction cost is reduced, the sequencing efficiency is improved, and meanwhile the technology is easy and flexible to operate and easier for researchers to master and can be realized in a common molecule lab. The construction method is particularly suitable for miniature or medium-scale labs needing to conduct SNP molecular marker development, genetic map construction, population genetics research, phylogeny biological research and the like on a great number of species with incomplete reference genomes. The construction method has good practical application value and application prospects in the fields of molecular breeding of agriculture, conservation biology and evolutionary biology.
Owner:KUNMING INST OF BOTANY - CHINESE ACAD OF SCI

UV (ultraviolet) roller-coating metal high-adhesion yellowing-resistant primer

The invention provides a UV (ultraviolet) roller-coating metal high-adhesion yellowing-resistant primer which comprises the following components in percentage by weight: 30-41% of functional monomer, 12-19% of polyacrylate, 19-25% of epoxy acrylic resin, 0.3-0.4% of defoaming agent, 0.2-0.3% of leveling agent, 0.5-1% of functional assistant, 2-4% of silane coupling agent, 0.2-0.4% of anti-settling agent, 10-15% of filler and 9-12% of photoinitiator. The UV roller-coating metal high-adhesion yellowing-resistant primer provided by the invention has the advantages of high adhesive force, favorable yellowing resistance, low cost, high drying rate, no waste and high production efficiency, and is simple and flexible to operate.
Owner:上海展辰涂料有限公司

Vertical foldaway memory array structure

InactiveCN102184740ASimple structureImprove high-density mass storage capabilitiesSolid-state devicesRead-only memoriesBit lineHigh density
The invention discloses a vertical foldaway memory array structure. The structure comprises vertical foldaway memory modules and a plurality of memory unit tubes; the vertical foldaway memory modules are in line and row distribution; each vertical foldaway memory module comprises a drain selection tube, a bottom connection wire and a source selection tube; the grid structure of each storage unit tube is connected with a word line; the drain of each drain selection tube is connected with a bit line; the drain of the drain selection tube of the Mth vertical foldaway memory module in the Nth line and the source of the source selection tube in the (M-1)th vertical foldaway memory module in the (N+1)th line are connected with the same bit line; and the grids of the drain selection tubes and the source selection tubes of all vertical foldaway memory modules in the N lines are respectively connected with the same drain selection line and the same source selection line. The vertical foldaway memory array structure disclosed by the embodiment of the invention not only has a simple structure and but also is very suitable for the three-dimensional integration of memories, so that the high-density high-capacity storage capacity of the vertical foldaway memory structure is greatly improved.
Owner:TSINGHUA UNIV

Method and device for remote-control processing of touch screen terminal and terminal

An embodiment of the invention discloses a method and a device for remote-control processing of a touch screen terminal, and a terminal. The method includes when the circumstance that an annular sliding posture is executed on an annular virtual key of a touch screen is detected, acquiring a sliding direction and a sliding angle of the annular sliding posture; sending one or multiple remote-control instructions corresponding to the sliding direction according to the sliding direction, the sliding angle and a preset switching angle. In the embodiment, remote-control operation is realized through the annular sliding posture executed on the annular virtual key of the touch screen, so that quickness, convenience, simplicity and flexibility in operation are realized, and more convenience in use is brought to users; pressure applied to a touch screen face is small, so that damage to the touch screen face can be reduced.
Owner:XIAOMI INC

Hexa-claw executing mechanism of weeding robot

The invention belongs to the field of the agriculture robots, which is composed of shell, main shaft turntable system, cutter knife shaft system and steel wire slider bar system, the shell is fixed on the plat form of the harvested robot, the electrical motor drives the rotation of main shaft turntable system, six sets of cutter knife shaft systems rotated accompanied with the main shaft turntable system. When one set of cutter knife shaft system rotates to the side of the plants, the concave lock scotch block on the shaft system and the convex lock scotch block on the steel slider bar system are engaged and then locked, which makes the overhang of the cutter knife protrude into the lines of plants to complete the weeding action. When the space between two plants is too small, another electrical motor pulls the steel wire to lift up the convex lock scotch block on the steel slider bar system, then the concave lock scotch block can not engage with the convex lock scotch block, which makes the cutter knife not protrude into lines for preventing damage to plants by cutting. Through the coordination between master action of the master shaft and the slave action of the steel wire, the weed arbitrary action of six sets of cutter knifes in the lines and between the lines and the control thereof are realized, the weed action is continuous, the overall size is compact, the operation is flexible, and the control and operation of the weeding robot are easy.
Owner:JIANGSU UNIV

Quantitative determination method for chlorophyll of green vegetable leaves based on computer image analysis

The invention provides a quantitative determination method for chlorophyll of green vegetable leaves based on computer image analysis. The quantitative determination method comprises the following steps: causing color change of the leaves according to content change of the chlorophyll of the green vegetable leaves; acquiring green vegetable leaf images by adopting a digital camera or a scanner, and acquiring color parameter values (L, a, b and deltaE) of the leaves in the images by adopting a computer image technology; determining the content of the chlorophyll of the corresponding leaves by adopting a traditional spectrophotometer method; fitting a relation between color parameter values of the leaves and the content of the chlorophyll by adopting different function models so as to construct a chlorophyll content predication model based on the color parameter values, wherein the determination of the chlorophyll content of the leaves can be realized only if the color values of the leaves are acquired and then are input into the model.
Owner:ZHEJIANG UNIV OF TECH

Interconnection brazing material and interconnection forming method thereof

ActiveCN106271177ASolve the problem of long time consumption of phase methodLow Young's modulusWelding/cutting media/materialsMetal working apparatusAmount of substanceThird phase
The invention provides an interconnection brazing material and an interconnection forming method thereof. The heating technological temperature of a product applied by the interconnection brazing material is T, the interconnection brazing material contains a component A with the melting point larger than T, a component B with the melting point smaller than T and a third-phase component C with the melting point larger than T; the third-phase component C accounts 0-30% the total mass of the component A, the component B and the third-phase component C. A compound AxBy is formed through a reaction between the component A and the component B at the heating technological temperature; the ratio of amounts of substances of the component A to the component B is larger than x / y, the third-phase component C does not react with the component A or the component B, the hardness of the third-phase component C is smaller than those of the component A, the component B and the compound AxBy. According to the technical scheme, a high-melting-point welding joint is obtained, and the Young modulus and the thermal expansion coefficient of a joint can be adjusted by adjusting the proportion of the components inside the brazing material.
Owner:HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL

Multifunctional micro-fluidic chip used for simultaneous screening of multiple drugs and cells

The invention provides a multifunctional micro-fluidic chip used for simultaneous screening of a plurality of drugs and cells, belonging to the technical field of micro-fluidic chips. The multifunctional micro-fluidic chip used for simultaneous screening of a plurality of drugs and cells is composed of an upper PDMS micro-valve-controlled channel layer, a middle PDMS fluid channel layer and a lower glass substrate layer exerting supporting and cell attaching effect, wherein the PDMS micro-valve-controlled channel layer comprises a first micro-valve group and a second micro-valve group; the PDMS fluid channel layer comprises an array cell culture zone; and the PDMS fluid channel layer undergoes thermal bonding and is then integrated with the glass substrate layer through plasma bonding. The array cell culture zone is composed of a plurality of culture units and multiple stages of branch fluid sample introduction channels; the first micro-valve group is composed of linked micro-valves; and the second micro-valve group is composed of a plurality of independent micro-valves used for controlling connection and disconnection of a sample introduction port in a cell cavity with an S-shaped bent channel.
Owner:浙江弘瑞医疗科技有限公司

Acidic copper tailing matrix improver, improving matrix, preparation method of improver and application of improving matrix

InactiveCN105061001ARich in componentsStrong acid-base balance abilityFertilizer mixturesSludgePlant growth
The invention relates to an acidic copper tailing matrix improver, an improving matrix, a preparation method of the improver and an application of the improving matrix. The improver comprises components including bentonite, rice husk, sludge, coal cinder and animal dung. The problem of deficience of matrixes for plant growth in the vegetation rehabilitation process in the area of copper tailings can be specifically and effectively solved by means of the improver and the improving matrix. The improver has main functions of acid-base balance adjustment, nutrient and organic matter supply and texture improvement of the plant growth layer of the tailing area, is a high-quality and inexpensive matrix improvement material and is applied to acidic mine treatment and vegetation rehabilitation, the environmental pollution can be reduced, the mine environment is beautified, and the ecological and economic benefits are increased. The acidic copper tailing matrix improver and the improving matrix have the characteristics of simplicity and flexibility in operation and high adaptability.
Owner:BEIJING FORESTRY UNIVERSITY

Near-infrared laser spot field-of-view parameter measurement device and method

The invention relates to a near-infrared laser spot field-of-view parameter measurement device. The near-infrared laser spot field-of-view parameter measurement device comprises a near-infrared laser parameter test bench, a computer and a calibration grid plate, wherein the near-infrared laser parameter test bench comprises an emitting device capable of emitting near-infrared laser, the calibration grid plate is arranged at the position having a certain distance from the near-infrared laser parameter test bench, and the calibration grid plate is orthogonal to the laser emitted by the near-infrared laser parameter test bench. According to the near-infrared laser spot field-of-view parameter measurement device and method, border dotted lines of near-infrared laser spots are effectively found by rotating a holder to adjust the laser emitting direction and adopting image processing techniques, the sizes of the fields of view of various near-infrared laser spots can be measured effectively, the near-infrared laser spot field-of-view parameter measurement device has incomparable advantages which cannot be achieved by other equipment, is flexible in operation and simple, and visual processing results can be provided.
Owner:XIAN TECHNOLOGICAL UNIV

Multifunctional city road sanitation vehicle

A multifunctional city road sanitary vehicle consists of a front vehicle body and a back vehicle body. The front vehicle body comprises a cleaning mechanism, a walking mechanism, a garbage collecting mechanism, and a dedusting system; and the back vehicle body comprises a seat and a manpower walking mechanism. The cleaning mechanism is a four-bar linkage that is articulated with the anterior vehicle body; the four-bar linkage is provided with an electric motor in the middle part of a beam; the beam has rotary bodies with brushes in two ends; and the rotatable bodies are driven by the electric motor. The walking mechanism comprises a motor and a chain wheel in a motor output axle, and a chain is connected with a large chain wheel in a front wheel axle. The garbage collecting mechanism is a collecting main brush and a brush typed rotary thrower driven by the motor, and throws garbage into a garbage can through an arc cover. The dedusting system comprises that: the garbage can is provided with an air purifying separator with a high voltage induced draft fan in an upper part; a separator inlet is communicated with a dust sucking harrow that is in the right frontal lower part of the front vehicle body; and the induced draft fan outlet is also connected with the sucking harrow. The seat and the manpower walking mechanism comprise a cantilever vehicle frame that is provided with a manpower pedal and a wheel, and the vehicle frame front end is articulated with the front body.
Owner:刘和平 +2

Commonly-used percutaneous pedicle screw stick internal fixing system

The invention discloses a commonly-used percutaneous pedicle screw stick internal fixing system which comprises a pedicle screw, a longitudinal connection stick, a puncture cone, a guide pin, an expansion core, a screw setting guide sleeve, a hollow flat file, a hollow screw tap, a screw feeder, a stick holder, a screw plug holder, a screwdriver, an opening pressurizer and a torsion resistance sleeve spanner. The opening pressurizer comprises a first opening pressurization arm, a second opening pressurization arm, a first connector, a second connector and a supporting stick. The first connector and the second connector with the adjustable distance are connected to the supporting stick. The first opening pressurization arm is detachably hinged to the first connector, and the second opening pressurization arm is detachably hinged to the second connector. One end of the first opening pressurization arm and one end of the second opening pressurization arm are each provided with a clamping groove. A progressive force application mechanism is connected between the other end of the first opening pressurization arm and the other end of the second opening pressurization arm. The system can be operated flexibly, easily, conveniently and rapidly in a labor-saving mode, can achieve gradual opening or pressurization at different times, and has the powerful and effective opening or pressurization effect.
Owner:贺新宁
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