191results about How to "Low working environment requirements" patented technology

The invention relates to a hydraulic (wind) turbine of door frame type, which has a novel design. The vanes of the turbine are designed like doors, grouped into a plurality of groups and arranged on the work arm, and the vanes are capable of closing and opening; thus, when the vanes of the hydraulic (wind) turbine rotate downstream for half turn, the gate leaf remains to be in an off state, and water (wind) utilization ratio is the greatest; whereas, when in the half turn of the rotation against the current, the gate leaf opens, and water (wind) can pass through smoothly with the lest resistance; the contradiction that the gate leaf of both sides of the axle can not rotate owing to being stressed simultaneously is solved successfully, and the working efficiency is also improved. The design of the power can be flexible, thus the practicability is high. The turbine can be used for seizing water power resources of rivers and ocean current, and can be also used for seizing wind energy resources; no matter how the direction of water (wind) changes, resources can be seized and used by the turbine. The turbine has the advantages of simple structure, light weight and wide application range. At the present when the energy demand is great, the hydraulic (wind) turbine of door frame type has broad prospect.

The invention discloses a full-tensor magnetic field gradiometer based on the giant magnetic impedance effect. The full-tensor magnetic field gradiometer comprises an X-Y-direction gradiometer body, a Z-direction gradiometer body and signal leads. The X-Y-direction gradiometer body comprises a cross-shaped substrate and a giant magnetic impedance thin film, the Z-direction gradiometer body comprises a rectangular substrate and a giant magnetic impedance thin film, a junction point at the input end and a junction point at the output end of an electric bridge are connected with the signal leads, and the signal leads are arrayed symmetric with the geometric center of the whole gradiometer as the three-dimensional center. The full-tensor magnetic field gradiometer has the advantages of being high in accuracy, minimized, low in cost, wide in frequency response, rich in information and the like. Due to the design of preparing a three-dimensional structure through planar thin films, the problem of space consistency of the full-tensor magnetic field gradiometer based on the giant magnetic impedance thin films is solved, and the magnetic field gradient measuring sensor with the size at the chip level is designed for the first time.

The invention provides a wind generating set barring assembly which at least comprises a support beam, a first hydraulic cylinder, a first connection base and a second connection base. The support beam is provided with a connection portion used for being connected with a non-rotating part of a wind generator and a connection portion used for being fixedly connected with the first connection base. The first connection base is used for connecting one end of the first hydraulic cylinder to the support beam, and the second connection base is used for connecting the other end of the hydraulic cylinder to a rotor of the wind generator. The assembly is at least provided with a first state and a second state. The support beam, the first hydraulic cylinder, the first connection base and the second connection base are arranged in a separation mode under the first state. Under the second state, one end of the first hydraulic cylinder is connected onto the support beam through the first connection base, and the other end of the first hydraulic cylinder is connected onto the second connection base. A barring method is further provided. The assembly is simple in structure, low in cost, capable of being used repeatedly and good in economy.

The invention discloses a novel electric control cabinet comprising a cabinet door and a cabinet body. The cabinet body is of an enclosed structure, a partition board is vertically arranged in the cabinet body, and inner space of the cabinet body is divided into an equipment working region and a medium cooling and drying region by the partition board. An inner circulating fan is mounted at the upper end of the partition board, air flows from the equipment working region to the medium cooling and drying region, and a cool air inlet is arranged below the partition board. A cooling component is arranged on the outer wall of the cabinet body close to one side of the medium cooling and drying region. A heat-absorbing component is arranged in the medium cooling and drying region. The heat-absorbing component is connected with a compressor through a connecting pipeline, the compressor is connected with the cooling component through the connecting pipeline, and the cooling component is connected with the heat-absorbing component through the pipeline. The novel electric control cabinet has the advantages of constant temperature, cleanness, dryness and low noise; and working condition requirements on the electric control cabinet are reduced, working cost for cooling apparatus and equipment is saved, and energy consumption is saved.

The technical scheme of the invention relates to the field of spectrum, in particular to a method for conversion of spectrum into chromaticity, which comprises the steps of: collection and digital processing of a spectral image; preprocessing of the spectral image with a computer; identification of the horizontal ordinate, vertical ordinate and spectral curve in the spectral image via the computer, and extraction of spectral data from the spectral image; display of the spectral data on the computer, and drawing of a spectral curve according to the extracted data; approximation and interpolation of the spectral data; and calculation of the values of X, Y and Z via discrete summation according to the product of the spectral intensity and the tristimulus value, and display of the chromaticity (x and y) on the computer. By adopting the method, the defects of the prior art that the spectral curve cannot be identified rapidly, the spectral data cannot be rapidly extracted and automatically converted into the chromaticity can be overcome.

The invention provides a photonic crystal power generating device based on a longitudinal vibration band gap. The photonic crystal power generating device comprises a main beam and branched beams, wherein the strut beams are provided with piezoelectric materials and mass blocks for forming local-area vibrator units, and at least two rows of local-area vibrator units with the same structure are arranged on the main beam for forming a photonic crystal structure, the surface of each piezoelectric material on each local-area vibrator unit is vertical to the axis of the main beam, the structure that the at least two rows of local-area vibrator units with the same structure are arranged on the main beam is characterized in that the local-area vibrator units in the same row are distributed at equal intervals, the distance between the local-area vibrator units in each row are equal, and the local-area vibrator units of each row on the cross section of the main beam are distributed at equal intervals. Wideband efficient power generation in a vibrating environment is realized by adopting a photonic crystal technology. The photonic crystal power generating device is simple in integral structure and convenient to manufacture, and has lower requirement on the working environment. The longitudinal vibration power generation frequency band of a piezoelectric vibrating device is effectively widened, and active control is not needed. The photonic crystal power generating device can be used for energy supply of micro-electronics products, such as a wireless sensor.

The invention provides flexible cable artificial muscle. The flexible cable artificial muscle comprises a frame, a flexible cable driving device, a tension sensor and an encoder, wherein the flexible cable driving device comprises a motor, a first flexible cable, a first spring, a second spring, a spring parallel connection device and a second flexible cable, the upper end of the first spring and the upper end of the second spring are connected in parallel through the spring parallel connection device, and the lower end of the second spring is installed on the frame through a supporting plate; the motor is fixed to the frame, a flexible cable traction wheel is installed on an output shaft of the motor, one end of the first flexible cable is fixed to the flexible cable traction wheel, and the other end of the first flexible cable is connected with the lower end of the first spring; one end of the second flexible cable is connected with the upper end of the first spring, the tension sensor is installed on the frame, the second flexible cable penetrates through the tension sensor and makes contact with the tension sensor, and the encoder is installed on the motor. The flexible cable artificial muscle is simple in structure, light, easy to control, high in precision, high in flexibility, short in movement latent period, stable in performance and high in muscle bionic degree.

The invention discloses a portable pipeline interior washing device. The portable pipeline interior washing device comprises a first power working device, a second power working device, a brush head used for pipe interior washing and two sections of steel wire ropes connected with the two sides of the brush head, wherein the first power working device and the second power working device are arranged at the two ends of a pipeline; one ends of the two sections of steel wire ropes are connected to the first power working device and the second power working device, and the other ends of the two sections of steel wire ropes are connected with the two ends of the brush head; the structure of the first power working device and the structure of the second power working device are the same, the steel wire ropes are wound through a gear motor, the brush head is pulled to do back-and-forth motion in the pipeline, and therefore the pipeline washing work is done; and the installation positions of a brush bristle barrel and a brush bristle body are changed so that pipelines with different diameters can be washed. The portable pipeline interior washing device is simple in structure, easy to disassemble and maintain and low in environmental requirement; the brush head is adopted for washing, damage to a pipeline inner bore is avoided, and meanwhile washing of the pipelines with different diameters can be completed.

The invention relates to a pollution-free gas drying agent which has high dehumidifying efficiency, slow dissolving speed and no pollution after dissolution, and can be directly dissolved in water to be exhausted to the environment, and a drying method thereof. The method comprises the steps that: wet air enters through an inlet which is positioned in the center of the bottom of a dryer container, so that the compressed air is uniformly distributed and flows upwards through the uniform diversion of a splitter plate, and the air is fully contacted with a moisture-absorbing agent layer; the wetair is firstly contacted with the moisture-absorbing agent layer in a reaction zone, and the moisture-absorbing agent absorbs plenty of water in the wet air, so that the moisture-absorbing agent undergoes chemical reaction; the wet air enters a drying zone of the moisture-absorbing agent layer, and the moisture-absorbing agent further dries the wet air, so that the dew point of the wet air reaches the required dew point; and finally, the fully dried compressed air is exhausted through an air outlet at the upper end of the container by passing through a preparation area of the moisture-absorbing agent. The dryer of the invention overcomes the defect that the conventional dryer has complex structure, high energy consumption, and environmental pollution, and has the advantages of stable performance, low energy consumption, low cost, no pollution, and low requirement on the working environment.

The invention aims at providing a local resonance type photonic crystal vibration damping gear. The local resonance type photonic crystal vibration damping gear comprises a gear ring and a wheel hub, local resonance type photonic crystal rods are mounted on an arm of a wheel, two ends of each local resonance type photonic crystal rod are connected with the gear ring and the wheel hub in an interference manner, a welded manner or a screw fastening manner, the local resonance type photonic crystal rods comprise support rods, cladding layers and vibrators, and the cladding layers and the vibrators are mounted on the support rods from inside to outside. The local resonance type photonic crystal vibration damping gear is simple in structure and convenient to manufacture, is enabled to have good damping and noise reducing effects in a low and medium frequency area by converting torsional waves of the gear into bending waves of the support rods, is reliable to use and low in requirements on working environments, and can be used for reducing vibrating noise of a gear box under a low-and-medium-load working condition, improving working environments of workers and the like.

The invention discloses a floor turnover machine which comprises a frame body, wherein at least two belt wheels are mounted on the frame body in parallel; a belt is arranged on each belt wheel and is used for conveying floors; driving blocks are arranged on each belt at a certain distance; a floor turning device is arranged on the frame body and is positioned above the belts; the floor turning device at least comprises two floor turning grabbing hooks; the floor turning grabbing hooks control to turn over the floor by an air cylinder; the floor on the belt passes through a sensor before reaching the turning device; after the sensor receives signals transmitted by the floor, the signals are transmitted to a PLC (Programmable Logic Controller); the PLC filters the signals and feeds the spaced signals to the air cylinder, so that the air cylinder controls the floor turning grabbing hooks to turn the floor. According to the floor turnover machine disclosed by the invention, the automation of floor turning is realized, so that a large amount of human resources are saved; besides, the working efficiency is greatly improved.

The invention provides a generalized photonic crystal acoustic shield which comprises a generalized photonic crystal column shell and a generalized photonic crystal semispherical shell connected with the generalized photonic crystal column shell. An annular boss is arranged at the bottom end of the generalized photonic crystal column shell, threaded holes are formed in the annular boss in the circumferential direction, the annular boss is connected with a base, and the generalized photonic crystal column shell and the generalized photonic crystal semispherical shell are at least provided with two cycle components from inside to outside. Each cycle component is composed of a nonmetal layer and a metal layer in sequence from inside to outside, wherein the nonmetal layer and the metal layer are attached to each other. The cycle components are attached mutually. The generalized photonic crystal acoustic shield has the advantages of being high in sound insulation, easy to mount, demount and transport, low in design and manufacturing cost and the like, and the generalized photonic crystal acoustic shield has the good vibration reduction effect on vibration within a band gap range.

The invention discloses a path planning method, a vehicle and a computer readable medium. The path planning method is applied to automatic driving of the vehicle. The path planning method comprises the following steps: obtaining a preprocessing result corresponding to preset request data; obtaining coarse search data of preset planning data according to the preprocessing result; and performing path optimization on the coarse search data to realize path planning. According to the method, a steering switching penalty term and a steering penalty term which are added in a traditional hybrid A* algorithm are improved, and an RS curve heuristic algorithm is adopted, so that extremely high solving capacity is achieved, and the calculation efficiency is improved; meanwhile, it is guaranteed that the planning result can meet the kinematics constraint of the vehicle in the optimization process of the rough search result, the difference of vehicle response characteristics in different full-load and no-load states and the response characteristics of an executing mechanism of a mining dump vehicle are fully considered, and the method is more suitable for a real application scene; and the requirement on the working environment is low, and the adaptability is higher.

The invention provides an all-inorganic light-emitting device based on a perovskite thin film and a preparation method thereof, and belongs to the technical field of semiconductor light-emitting devices. The all-inorganic light-emitting device is composed of an ITO glass substrate, a ZnO electron transmission layer, an inorganic perovskite CsPbX3 thin film light-emitting layer, an NiO hole transmission layer and an Au and Al anode electrode layer which are laminated in turn from the bottom to the top, wherein the ZnO electron transmission layer is prepared on the ITO conductive film of the ITOglass substrate, the ITO conductive film acts as a cathode electrode layer, and X is Cl, Br or I element. The surface of the perovskite CsPbX3 thin film is flat without pinhole, and the grain size issmall and efficient radiation composite luminescence can be easily realized so that the luminescence purity is high and the luminescence range is adjustable by adjusting and controlling the doping proportion of the halogen atoms. The inorganic material ZnO/NiO of stable property is used as the electron/hole transmission layer of the device so that the requirement of the working environment of thedevice is ensured to be low and the performance is stable.

The invention belongs to the technical field of automation engineering and relates to a capsule robot in a three-dimensional closed unstructured space and a relative positioning method of an object tobe tested. The method comprises wirelessly transmitting real-time images obtained when a capsule robot is hovering at spot and is subjected to attitude adjustment to a human-computer interaction interface, carrying out image processing on the acquired images to identify and extract target feature points, and transforming a distance between the object area to a camera into a distance between the optic center of the camera to a specific feature point according to a monocular vision ranging principle. The method is a positioning method for determining the positions of the capsule robot and the object to be tested relative to the reference position in the area to be detected through changing a magnetic vector axis direction to drive a capsule camera to carry out feature target search in the area to be detected in situ, determining a spatial distance of the capsule robot and the object to be tested relative to the reference position according to the camera images, combining pitch angle andside swing angle information of the capsule robot when acquiring the target features in two processes and using the spatial geometric relationship of the capsule robot and the object to be tested relative to the reference positions.

The invention discloses a precise rotary table bearing with time grating detection and control, which comprises a precise rotary table. The precise rotary table consists of a second moving coil (1), a static coil (3), a first moving coil (4), a first group of cylindrical rollers (5), a second groups of cylindrical rollers (6) and a third groups of cylindrical rollers (8), wherein the second moving coil is installed on the upper end surface of the first moving coil, the static coil is installed among the lower end surface of the second moving coil, the thrust rolling track surface of the first moving coil and the external diameter rolling track of the first coil, the first groups of cylindrical rollers are installed between the lower end surface of the static coil and the thrust rolling track surface of the first moving coil, the second groups of cylindrical rollers are installed between the external diameter rolling track of the first coil and an inner diameter of the static coil, the third groups of cylindrical rollers are installed between the upper end surface of the static coil and the lower end surface of the second moving coil, and division teeth are arranged on the external circle of the second moving coil. The upper end surface of the static coil is provided with a time grating sensor (2) which transmits detected clock pulse signals to a microprocessor, so that high-precision detection, control and positioning for the precise rotary table are achieved through a control system, and rotating angles or moving radians of the precise rotary table can be detected and controlled in time.

This invention discloses optical s/n ratio monitor method of WDM and its device relating to an optical s/n ratio monitor technology of WDM and OADM transmission system. The device has an independent type, a type of wave synthesizer composed of signals, noise separation/noise filter module, WDM channel optical power monitor, photoelectric detecting diode/log amplified circuit, monolithic device and its data collection interface, optical coupler, an optical divider, a OADM and a optical synthesizer. The signal, noise separation/noise filter module in types of front end, rear mount and parallel is composed of a film optical filter plate/fiber grating filter.

The invention discloses a floor turnover device for wood floor processing. The floor turnover device comprises a plank feeding mechanism (2) and a plank discharging mechanism (7) symmetric with the plank feeding mechanism (2). A transmission shaft (11) is arranged between the plank feeding mechanism (2) and the plank discharging mechanism (7). The two ends of the transmission shaft (11) are provided with rotary discs (5). A plurality of supporting rods (4) are evenly distributed on each rotary disc (5) in the circumferential direction. A driven gear (6) is disposed at one end of the transmission shaft (11) and connected with a driving gear (8) through a chain (9). The driving gear (8) is arranged on a drive motor (10). By means of the floor turnover device for wood floor processing, floors can be automatically turned over, and a large number of human resources are saved; meanwhile work efficiency is substantially improved.

The invention relates to a biped walking movement mechanism which comprises a static platform (C), a movable platform (F), two connecting rods (B and D), two push rods (A and E) and eight cardan joints (G, H, I, J, K, L, M and N), wherein the movable platform and the static platform are connected with the connecting rods and the push rods through the cardan joints, and the connecting rods are mutually parallel to the push rods. Under the driving of a motor (34), the mechanism can realize that two movement platforms alternately move ahead up and down. Under the driving of a motor (61), the mechanism can realize transverse movement. When the two push rods extend or shorten at the same time, the movement platform in the air can rotate around a self rotary shaft. The mechanism can realize three degrees of freedom of movement and a function of detecting posture adjustment, solves the problem that a simple four-rod movement mechanism cannot realize a function of direction-changed movement, also avoids the condition that the motors are loaded into the two movement platforms at the same time, and therefore achieves the effect of saving space.