979results about How to "Meet job needs" patented technology

The invention discloses an array substrate, a display device and a method for driving the array substrate, relates to the display field, can realize polarity inversion, and also can effectively reduce driving voltage of a pixel electrode and a public electrode so as to realize a purpose of reducing consumption of electric quality. The array substrate comprises a plurality pixel units, a plurality of grid lines, a plurality of data lines, a plurality of first public electrode lines and a plurality of second public electrode lines, wherein the plurality of grid lines are used for providing grid scanning signals for the pixel units; the plurality of data lines are used for providing data signals for the pixel units; each first public electrode line is connected with an odd-column of pixel units, each second public electrode line is connected with an even-column of pixel units, public voltages with inverse polarities are respectively provided for the odd-column of pixel units and the even-column of pixel units, and the polarity of driving voltage difference loaded to any one pixel unit by using the data lines and the first/second public electrode lines is opposite to the polarity of the public voltage loaded to the pixel unit.

The invention relates to an operation scheduling system which is applicable to the grid environment and based on the reliability cost; as indicated in graph 1, the whole system includes three layers: the first layer is an operation submission interface module 1; the second layer is an operation scheduling module 2 and the grid resource platform 7 as the substrate layer. From the perspective of the operational principle, the core of the invention is the operation scheduling module in the second layer, which includes a pre-scheduling module 3, a scheduling strategy module 4, an operation finish time prediction module 5 and a resource information module 6. The operation scheduling system in the invention proposes an operation running time prediction model and a resource usability prediction model; the operation running time prediction model based on the mathematical model and the resource usability prediction model based on the Markov model have high accuracy and high generality. The operation scheduling system adopts the copy fault-tolerance strategy, the primary copy asynchronous operation fault-tolerance strategy and the retry fault-tolerance respectively according to different operation service quality requirements and resource characteristics so that the operation scheduling system has high flexibility and high validity; meanwhile, the operation scheduling system supports the computation-intensive operation and the data-intensive operation to have good generality. Compared with the scheduling system in the prior art, the operation scheduling system has the advantages of supporting more concurrent users, improving the resource utilization rate, good generality, good extensibility and high system throughput.

The invention provides an indoor air PM2.5 (fine particulate matter) control system and a control method thereof, relates to the technical field of air-conditioners, and solves the technical problem of reducing the concentration of indoor air fine particulate matters. The system comprises a control terminal, an air purifying box, at least one monitoring gateway and a plurality of dust sensors. Each dust sensor is connected to the control terminal through each monitoring gateway. The air purifying box is mounted at the fresh air inlet of a central air-conditioner, a cyclone and a water jetting rack are arranged in the air purifying box, and a water tank is mounted on the air purifying box. The water jetting rack is located between the air outlet end of the cyclone and the air outlet of the air purifying box, and a plurality of ultrasonic nozzles are fixed on the water jetting rack. The outlet of the water tank is connected to water inlets of the ultrasonic nozzles through a pressure pump. The control terminal is provided with a water jetting signal output end connected to the control end of the pressure pump. The system and the method have the advantages that the concentration of the indoor air fine particulate matters can be lowered.

The invention relates to a method for controlling switching operation sequences of a full-automatic transformer substation based on a mobile robot. The method comprises the following steps: 1) a transformer substation sequential control platform carries out a switching operation and simultaneously sends a device detection command to a mobile robot background through an IEC61850 protocol; 2) the mobile robot background receives the device detection command sent by the transformer substation sequential control platform and then issues the device detection command to the mobile robot; 3) the mobile robot receives the device detection command and then collects visible lights and infrared images of the related devices and uploads to the mobile robot background through a wireless network bridge; 4) the obtained visible lights and the infrared images are analyzed by utilizing an image analysis algorithm and the recognition result is reported to the transformer substation sequential control platform through the IEC61850 protocol; and 5) the transformer substation sequential control platform receives the device state reported by the mobile robot background, drives the continuation of the switching operation according to the state and automatically realizes the switching operation sequential control process for the transformer substation.

The invention discloses a crawler crane moment limiting system, which comprises a sensor part, a display part and a main control box which is connected between the sensor part and the display part. The main control box has a modular independent board structure. A main controller is arranged in the main control box; and a crane moment processing system is arranged in the main controller. The crane moment processing system can acquire an accurate limited moment of a crane and a protection signal according to a mathematical model and a load curve of the crane. Peripheral modules can be freely expanded by using the main controller as a core. Therefore, the aims of strong extensibility, flexible use, convenient installation and maintenance, good universality, high reliability and more accurate and safer control are fulfilled.

The invention discloses an intelligent control method for a hydraulic excavator. The method is characterized in that: a database set in a main controller is divided into a setting area and a recovery area; and the main controller is connected with a display modification interface through a CAN bus, wherein the operation method of the main controller comprises the following steps of: a. data modification, namely (1) the main controller detects data and obtains regulating ranges of excavator control parameters and engine output power by a logical operation; (2) an operator sets the excavator control parameters and the engine output power in the regulating ranges; and (3) modified self-defining data is stored in the setting area through a CAN bus and an excavator operates according to the data; and b. data recovery, namely the main controller calls the data in a recovery area and covers the self-defining data in the setting area. In the intelligent control method for the hydraulic excavator, data regulating ranges are given according to detected data; and the operator can modify according to implementing working conditions and habits so as to meet the requirements on site environment and user control and contribute to improving the operating performance of the excavator.

The invention belongs to the technical field of driverless vehicles, and particularly relates to a traffic signal lamp identification system based on a video signal image processing technology and anidentification method thereof. The system comprises a vehicle-mounted front camera, an Image recognition device, a Voice chip, a loudspeaker, an accelerator pedal and a brake; an image recognition device is used for judging a signal acquired by the vehicle-mounted front camera; The image recognition device is composed of color recognition, shape recognition, shape secondary confirmation and continuous image recognition result verification, and images collected by the vehicle-mounted front camera are recognized in a double-rail mode based on RGB space on the whole and locally recognized based on HSL space. The traffic signal lamp identification method provided by the invention is simple and efficient, the identification result is confirmed and verified for multiple times, the reliability isvery high, experiments show that the design method is high in accuracy, has the capability of detecting the traffic signal lamp in real time, and can meet the working requirement of traffic signal lamp identification under the actual road traffic condition.

The invention relates to a plastic film covering machine for a straw-based panel. The plastic film covering machine for the straw-based panel comprises a bottom plate, an installation frame, an auxiliary device, a film covering device, a feeding device and a collecting box. The installation frame is arranged on the bottom plate; the film covering device and the feeding device are sequentially arranged at the lower end of the installation frame from left to right; the auxiliary device is arranged under the film covering device; the collecting box is arranged at the right end of the auxiliary device; the auxiliary device and the collecting box are arranged on the bottom plate; the auxiliary device comprises a feeding mechanism, a support pillar, a support plate, an arc-shaped plate, an adjusting mechanism and a limiting mechanism; the film covering device comprises a position adjusting mechanism, a laminating mechanism and a cutting mechanism; the feeding device comprises a moving mechanism and a grabbing mechanism; and the collecting box comprises a box body, a collecting mechanism and a buffer mechanism. The plastic film covering machine for the straw-based panel provided by the invention can solve the problems of high labor cost, low working efficiency, high labor intensity, small use range and poor working stability existed in an existing straw-based panel film covering process, and can realize a function on automatically covering a film on the straw-based panel.

The invention relates to the technical field of underwater vehicles and discloses a wave propeller. The wave propeller comprises an underwater marching device and a water surface follow-up device connected with each other by a connecting device, wherein the underwater marching device comprises a bracket and a pair of paddles, the pair of paddles are symmetrically fixed on the two sides of the bracket by a fixed shaft and can rotate synchronously around the fixed shaft. The wave propeller disclosed by the invention can make full use of marine energy, so that the voyaging capacity of the wave propeller is improved, and the operational requirements of various water areas are met.

The invention discloses a flexible connector for dual-layer continuous oil pipes, which is mainly used for a connection between a tube body and a tool when a connecting tool for the dual-layer continuous oil pipes for an oil and gas field works, and compensative regulation of expansion amounts of inner and outer layers of the continuous oil pipes. A connector for the outer layer of continuous oil pipe is connected to the outer wall of the outer layer of the continuous oil pipe in a tight occlusion manner through slips, the inner layer of the continuous oil pipe slides on an inner pipe regulating sleeve of a telescopic cylinder to complete flexible compensation, an outer cylinder regulating sleeve and the inner pipe regulating sleeve of the telescopic cylinder are connected to an outer pipe slip connector, so that an inner pipe body and an outer pipe body are fixedly connected in a sealed manner; screw threads at the bottom ends of the outer cylinder regulating sleeve and the inner pipe regulating sleeve are respectively connected to related tools, so that the operational requirements of the dual-layer continuous oil pipes with the tools are met, and construction operations, such as negative pressure sand removal, drilling, grinding and testing, can be carried out. The flexible connector has the advantages of compact structure, reliable work and simplicity in operation.

Provided is a hybrid power system based on an engine and a motor and a power output method thereof. The hybrid power system comprises the engine connected to a clutch, the clutch is connected to a transmission input shaft, the transmission input shaft is connected to a transmission output shaft through a synchronizer and a power coupler, and the transmission output shaft is sleeved with a motor hollow shaft of the motor in a hollow mode; a middle shaft is arranged on a by-pass of the synchronizer and the power coupler, and the middle shaft can transfer power to the transmission output shaft. The hybrid power output method is controlled according to a pure engine mode, a motor assisted mode, a pure motor mode and a hybrid power mode respectively, the problem of power interruption during gear shift is solved, the motor and the transmission work mutually independently, the work efficiency is improved, the input torque and the range of speed are very big, and the hybrid power system based on the engine and the motor can adapt to complicated working condition.

The invention discloses an intelligent speed regulating method and system for a mine crusher. The method comprises the following steps: 1, mounting two photography instruments above a feeding hole of the crusher, wherein the photography instrument I is oriented to the feeding hole of the crusher, and the photography instrument II is arranged on the same horizontal plane as the photography instrument I, and is perpendicular to the shooting direction of the photography instrument I; 2, collecting video images by the photography instruments, and carrying out image processing; 3, calculating the total mass of ore at current moment by three-dimensional edges of the ore, detected by the two photography instruments; 4, obtaining a characteristic curve that the ore quality adapts to the rotating speed of a motor through an experiment, and inputting the determined logic judgment method into a PLC; and 5, automatically adjusting the rotating speed of the motor of the crusher by the controller according to the quality range of the ore. The total mass of the fed ore is obtained through the two photography instruments, so that the total mass adapts to the lowest rotating speed; the lowest energy consumption when the crusher meets the working requirements is ensured; and the service life of the crusher is prolonged.

The invention relates to a railway ballast distribution reshaping and curing device, which comprises a single cab, a power transmission system, a powerhouse, an equipment frame, two two-axle steering devices, a side plow device, a middle plow device, a sleeper cleaning device, a fine cleaning device and a trackside vertical cleaning device, wherein the single cab, the power transmission system, the powerhouse, the side plow device, the middle plow device, the sleeper cleaning device, the trackside vertical cleaning device and the fine cleaning device are arranged on the equipment frame in sequence. Through the operation mode, the integral device meets the requirements of bidirectional ballast distribution reshaping work and bidirectional running while the visual field of operation is efficiently ensured and the requirement for high-speed line running is satisfied.

The invention discloses a hanger shunting device for a clothing manufacture hanging system. The hanger shunting device solves the problem that in an existing clothing manufacture hanging system, someclothes need to travel on a ring rail for a long distance to reach a target working station, and therefore work efficiency of the clothing manufacture hanging system is relatively low. The hanger shunting device for the clothing manufacture hanging system is used for shunting between the opposite sides of the ring rail. An opening is formed in one side of the ring rail and a partition opening is formed in the other side of the ring rail. A shunting rod is connected with one side of the opening in a hinged mode, switching is carried out between the other side of the opening and the inlet end ofa first-stage falling rail under the ring rail in the vertical direction by the outer end of the shunting rod; a second-stage lifting device is used for lifting hangers which need to be shunted to the partition opening in the vertical direction, a connecting rod of the second-stage lifting device is used for being plugged into the partition opening, and enables the ring rail to form a passage atthe partition opening, and a shunting mechanism is arranged between the second-stage lifting device and the outlet end of the first-stage falling rail.

The invention provides a pump-driven two-phase circuit device for heat dissipation of a high heat flux electronic device. Heat is collected and transported by using an endothermic process in evaporation and an exothermic process in condensation during a circulation flow process of a working medium. An evaporator for the circuit device comprises micro-channels and fins. In an area of high heat flux, the micro-channels are used to dissipate heat and increase a heat transfer coefficient of a partial area, while in an area of low heat flux, the fins are used. Due to great area difference between the micro-channel area and the fin area in the evaporator, when the working medium in the micro-channels enters the fin area, volume quickly expands and temperature of the working medium reduces, so as to help heat dissipation of the device in the fin area. By using different structures and with little resources, heat dissipation problems of devices with different powers are solved. The pump-driven two-phase circuit device for heat dissipation of the high heat flux electronic device can adapt to heat dissipation of electronic devices with different heat flux densities and can satisfy working requirements of electronic devices with a heat flux density of 50 W/cm<2> or above.

According to an indoor three-dimensional point cloud automatic registration method for pole extraction, on the premise of avoiding network construction and normal direction estimation of point cloud data, automatic registration of multi-station ground laser scanning point cloud data in an indoor scene of a building is achieved, and the method mainly comprises two parts of pole extraction and point cloud registration. The method is analyzed and verified by using real indoor point cloud data of a building, registration parameter calculation is performed on multiple groups of point cloud data, a registration result is compared with a result calculated through a manual target selection mode, and the precision and reliability of the method are further verified. According to the point cloud automatic registration method based on pole extraction provided by the invention, the reliability and the precision meet the working requirements, the target does not need to be manually arranged, the parameter setting is simple, and the automation degree is high.

The invention discloses a liquefied carbon dioxide energy storage system and application thereof. The liquefied carbon dioxide energy storage system adopts carbon dioxide as an energy storage medium,an artificial container can be used more flexibly, the energy density of the system is improved, the system forms a closed loop, and greenhouse gas can be prevented from being released to the environment; and on the other hand, the liquefied carbon dioxide energy storage system can achieve power grid frequency modulation and peak load shifting, and the renewable energy utilization rate is increased. The liquefied carbon dioxide energy storage system comprises a first compressor, a first cooler, a first hot tank, a first cold tank, a second heater, a first expander, a third expander, a cold regenerator, a throttle valve, a first liquid carbon dioxide storage tank, a second cold tank, a third cooler, a third heater, a second hot tank, a fourth heater, a fifth pump, a third cold tank, a second liquid carbon dioxide storage tank, a third hot tank, a separator, a fourth expander and a fourth cooler.

The invention discloses a method for simultaneously measuring residual quantity of three types of herbicide in vega soil, belonging to the technical field of physicochemical detection of pesticide residue in vega soil. Specifically, acetonitrile is used for extraction, Florisil is carried out with solid phase extraction, a gas chromatograph is matched with an electron capture detector to directly measure the residual quantity of three types of herbicide, such as propanil, Rimsulfuron, quizalofop-p-ethyl and the like in vega soil. The invention overcomes the restriction of the defect and the condition of the prior art to optimize the pretreatment method and the instrument detection condition of vega soil samples. Compared with the prior art, the invention has the following favorable advantages that the invention can detect three types of herbicide all at once and has the advantages of simple pretreatment process, high detection sensitivity and good accuracy and reproducibility.

The invention relates to the field of air conditioners, in particular to an air conditioner outdoor unit and an air conditioner, and aims at solving the problem about disturbance of an air supplementing pipeline due to the high flow speed of a refrigerant in the air supplementing pipeline and the problem about service life shortening due to compressor liquid return. For the purpose, the outdoor unit comprises a pressure container arranged on the air supplementing pipeline, the pressure container comprises a container body, and at least one cavity with the diameter larger than the diameter of the air supplementing pipeline is formed by the container body, so that the flow speed of the refrigerant is reduced; and the pressure container has the gas-liquid separation function, and accordinglythe refrigerant flowing out of a refrigerant outlet is a gas-state refrigerant. Through the pressure container, the flow speed of the refrigerant in the air supplementing pipeline is reduced, the refrigerant enters a compressor through an air supplementing enthalpy increasing connector in the gas state form, vibration of the air supplementing pipeline can be reduced, compressor liquid return is avoided, and the service life of the compressor is prolonged.

The invention relates to the field of underwater robot navigation technology, and aims to provide an autonomous positioning and node map constructing method for an underwater robot. The invention provides a novel node positioning and underwater robot autonomous positioning method, namely a mobile node can only acquire a position relation between the mobile node and a random node, all nodes are positioned, thereby acquiring a node map and positioning an AUV. The method can determine randomly arranged node positions in a relatively large range and acquires the node map, and furthermore ensures afact that the position coordinate error of the AUV is in a relatively small range. The method only requires the distance between the AUV at each optimal estimation position with an unknown node and does not require an angle relation between the AUV and the unknown node. Compared with a traditional method, a sonar is utilized for measuring the distance, thereby greatly reducing a measurement cost.The autonomous positioning and node map constructing method can satisfy a working requirement in a large-range sea area and can ensure low self positioning error and low node positioning average error of the node map.

The invention discloses a steel arch frame mounting trolley used for operation tunnel disease treatment. The steel arch frame mounting trolley comprises a steel arch frame mounting operating mechanism, an electrical control part and a hydraulic control part. The steel arch frame mounting operating mechanism comprises a railroad flatbed vehicle, a lift trolley, a side wall steel arch frame feedingmechanism, a steel arch frame mounting machine and an arch top and arch waist steel arch frame feeding mechanism, wherein the lift trolley and the side wall steel arch frame feeding mechanism are installed on the railroad flatbed vehicle, and the steel arch frame mounting machine and the arch top and arch waist steel arch frame feeding mechanism are mounted on the lift trolley. The invention further provides a steel arch frame mechanical mounting method used for the operation tunnel disease treatment. According to the steel arch frame mounting trolley, by arranging the railroad flatbed vehicle, the lift trolley, the side wall steel arch frame feeding mechanism, the steel arch frame mounting machine, the arch top and arch waist steel arch frame feeding mechanism, the electrical control partand the hydraulic control part, side walls and arch top and arch waist steel arch frames can be automatically mounted during tunnel disease treatment, the manpower input is reduced, the mechanizationand automation degrees are high, and the mounting efficiency, quality and operation safety of the steel arch frames of the tunnel disease treatment are sharply improved.