34results about How to "Comprehensive observation" patented technology

The invention relates to a material in-situ detection device and method under multi-load multi-physical-field coupling service conditions, and belongs to the field of precise scientific instruments. The material in-situ detection device is composed of a precise six-degrees-of-freedom composite load loading module, a precise torsion module, a precise indentation module, a clamp module and a control module which work together to complete a composite-load multi-physical-field coupling experiment, a digital speckle strain measurement and infrared thermal imaging module and a microscope observation module are integrated, and in-situ observation and quantitative characterization are carried out on material deformation behaviors and damage mechanism phenomena in a composite-load multi-physical-field loading process. The device and the method have the advantages that the composite-load loading can be realized, and a novel loading method such as 'cantilever type pure bending, cantilever type tensile / compression-torsion, and cantilever type bending-torsion' is carried out. Silicon nitride ceramic heating sheets, Peltier tiles and current loading are used for achieving simulation of cold / hot-electricity and other multiple physical fields, and an improvement innovative experimental testing method is provided for material micromechanical property tests close to the serving conditions.

The invention discloses a method for measuring the deformation of a large-sized work-piece, which comprises the following steps of: firstly, placing a fixed point; secondly, sticking a deformation point; thirdly, sampling and shooting a picture; fourthly, rebuilding the information of the deformation point; fifthly, combining the coordinates; sixthly, resetting the ID of the deformation point; and seventhly, calculating the deformation quantity. By the operation steps, the invention can measure the direction and size of the three dimensional deformation of the large-size workpiece, which is caused by the applied force load, thermal load, etc. The method has the characteristics of easy operation, no restriction of the size of the workpiece, abundant measurement information, precise and reliable results, high efficiency and non-contact measurement.

The invention relates to a vacuum low temperature micro visualize, which comprises a sight chamber, a cold trap, a refrigeration system, a vacuum system, and a control and teat recording system. A microscope, an electronic scale, a cooling and heating element, a winding lens shielding mechanism, a temperature sensing element, and a pressure sensing element are arranged in the sight chamber. A low temperature condensing coil is arranged in a cold trap chamber, the refrigeration system is connected with a heating refrigeration board and a nozzle of the sight chamber as well as the condensing coil of the cold tap chamber. A vacuum pump is connected with a pumping hole of the cold trap chamber, the computer control and teat recording system is connected with a thermocouple, the electronic scale, and the sight chamber, and is connected with an image collector above the microscope through an image data processor. The invention can be used for studying the heat-transfer and mass-transport process of various solids and liquid materials under the condition of low temperature and vacuum, and for timely and continuously observing the mass, the temperature, the pressure, and the micro image of the observed materials, which are recorded and stored by a computer, thereby realizing the numeralization operation.

The invention relates to battery thermal runaway detection methods and devices. The method comprises the steps of obtaining voltage detection data of a plurality of voltage detection points in a battery, and a plurality of pieces of temperature detection data of a plurality of temperature detection points in the battery; computing a temperature rising rate of the battery according to the pluralityof pieces of temperature detection data; and judging whether thermal runaway occurs in the battery or not according to the plurality of pieces of voltage detection data, the plurality of pieces of temperature detection data and the temperature rising rate. Through utilization of the technical scheme, the plurality of pieces of voltage detection data and the plurality of pieces of temperature detection data can be obtained according to the plurality of voltage detection points and temperature detection points set in the battery, the temperature rising rate of the battery is computed accordingto the temperature detection data, and whether the thermal runaway occurs in the battery or not is predicted through judgment of three aspects of the voltage detection data, the temperature detectiondata and the temperature rising rate. Through utilization of a multi-condition coupled method, battery thermal runaway and diffusion can be detected relatively timely and precisely under a plurality of working conditions.

The invention relates to an object attitude determination method and device, electronic equipment and a computer medium. The method comprises the steps of obtaining a monocular vision image of an object; inputting the monocular vision image into an attitude determination network, and determining attitude information of the object; W; wherein the attitude determination network is obtained by training a simulation image sample set and a real image sample set. By utilizing the method provided by the embodiment of the invention, the cost of obtaining the sample data can be reduced on the basis ofensuring the high accuracy of the attitude determination network.

The invention discloses a fishway structure and a fish-gathering method, in order to observe a fishway, research the fish gathering and conveniently and quickly gather fish. According to the fishway structure, a pool unit is served as an observing area pool; a fish-guiding plate is arranged in the observing area pool; a fish-passing clearance is formed between the fish-guiding plate and an observing wall; a first observing window is arranged on the observing wall corresponding to the fish-passing clearance; an upstream fish corral is connected between an upstream end of the fish-guiding plate and a supporting wall; a downstream fish corral is connected between a downstream end of the fish-guiding plate and the supporting wall; a fishway upstream gate is arranged between one end of the fish-guiding plate on the upstream side and the observing wall; a fish-gathering pool with an inlet is arranged outside the observing wall corresponding to the upstream side of the fish-guiding plate; a fish-gathering pool inlet gate is arranged at the inlet of the fish-gathering pool; and when the fishway upstream gate is closed and the fish-gathering pool inlet gate is opened, the fish-passing clearance is communicated with the fish-gathering pool, so that the fish-gathering can be performed.

The invention relates to the technical field of soil erosion and forest hydrology, and discloses a slope water balance field observation device. The slope water balance field observation device comprises an isolation side wall, a header tank, a retaining wall and a collecting device, wherein the isolation side wall is arranged on the bed rock face of a slope, the header tank is arranged corresponding to the isolation side wall, a surface layer flow guide pipe and in-soil flow guide pipes are arranged in the retaining wall, the surface layer flow guide pipe is arranged corresponding to the header tank, and the surface layer flow guide pipe and the in-soil flow guide pipes are communicated with the collecting device. As the surface layer flow guide pipe and the in-soil flow guide pipes are arranged in the retaining wall, the slope water balance field observation device can observe interflow of soil in layers and verify a water balance equation well to comprehensively observe the slope water process; the slope water balance field observation device has the advantages of being simple in structure, facilitating observation and the like.

The invention discloses a device for controlling an image communication system. The device comprises a box body, and four roller cavities are formed in the lower end surface of the box body; four rollers are rotationally mounted in the four roller cavities; a picking cavity is formed in the upper portion of the right end of the box body; a picking sliding block is mounted in the left end wall of the picking cavity in a sliding manner; a pneumatic cavity is formed below the picking sliding block; an empty box is arranged below the pneumatic cavity; and a storage assembly is arranged in the empty box. The device is small in dependence on manpower, whether the ripening degree of fruits can be picked or not can be determined through image analysis, the picking height of the picking assembly can be adjusted according to the height of plants, an image observation assembly has the function of multi-dimensional observation, and the plants in orchards and farms can be observed more comprehensively.

The invention discloses a simulation modeling method for an AC-DC hybrid system containing high-proportion new energy. The simulation modeling method specifically comprises the following steps: S1, constructing a model-data hybrid driving-based MMC novel equivalent model; s2, constructing a new energy grid-connected system equivalent model based on data driving; s3, effectively fusing the MMC novel equivalent model based on model-data hybrid driving and the new energy grid-connected system equivalent model based on data driving to obtain a model-data hybrid driving-based AC / DC hybrid system simulation model containing high-proportion new energy; according to the method, accurate modeling of power system key components such as flexible direct current power transmission and a new energy unit is realized, the real operation state of the actual physical power grid is restored to the greatest extent, the accuracy and the practicability of the model are effectively improved, and a comprehensive, transparent and multi-level observation and deduction view angle is provided for monitoring and analysis of the operation state of the power grid.

The invention provides a vehicle right visual imaging system and an auxiliary method and particularly relates to the field of vehicle safe auxiliary devices. The vehicle right visual imaging system comprises a camera, a video processing unit, a displayer and a controller. The camera is a high-definition wide-angle camera and is installed at a right visual mirror to shoot the road condition of a right dead zone of a vehicle; the video processing unit is used for receiving corresponding video information and processing a video; and the displayer is used for displaying processed video images to a driver; the controller is used for starting / stopping the camera and controlling the video processing unit to trim the video, and then the video is displayed in the displayer. The high-definition wide-angle camera can shoot the video images of the right dead zone of the vehicle comprehensively, and images of a specific right front dead zone body or a right rear dead zone body can be accurately observed on the displayer, so that the situations of the right side of the vehicle are comprehensively mastered by a driver, the driving safety property is improved, and the potential safety hazards are reduced.

A work vehicle for managing lawn while traveling incudes a positioning module for outputting positioning data, a self-vehicle position calculation section for calculating a self-vehicle position based on the positioning data, an activity determination device for determining activity of the lawn, and a lawn condition information generation section configured to generate lawn condition information by correlating the activity with the self-vehicle position as a determination point of the activity.

The invention discloses a sapphire single crystal furnace, comprising a furnace body, a crucible and a heating coil, wherein the upper end of the furnace body is provided with an opening, a thermal-insulation barrel is fixedly installed from the opening of the furnace body to the bottom of the furnace body, a cover board is arranged at the upper end of the thermal-insulation barrel, a draw bar mounting hole is arranged on the cover board, a nitrogen input port and a nitrogen exhaust port are respectively arranged at the left side and the right side of the draw bar mounting hole respectively, a support seat is fixedly arranged at the bottom of the thermal-insulation barrel, the crucible is fixedly arranged on the support seat, a layer of a quartz ring is wrapped on an outer wall of the crucible, and the heating coil is wound outside the quartz ring. According to the invention, the loss of the crucible is reduced, energy consumption is saved, the cost is reduced, and a sapphire crystal produced by the sapphire single crystal furnace has pure color.

The invention discloses a GIL post insulator bursting fault simulation test platform and a measurement method. The platform is characterized in that a GIL test cavity is divided into a left cavity anda right cavity by a gas insulation spacer; the left cavity and the right cavity are respectively provided with a gas-pressure meter and a gas charging and discharging port; the left cavity is connected with a lead-out bushing through a flange; the right cavity is provided with an observation window for observing the bursting process of a GIL post insulator and a detection device for recording thebursting process of the GIL post insulator; and the detection device mainly comprises a temperature detection device, an ultrasonic partial discharge detection device, an ultrahigh frequency partialdischarge detection device, and an SF6 gas decomposition product detection device. By adopting the GIL post insulator bursting fault simulation test platform, while the bursting process of the post insulator is observed, parameters such as the temperature, the partial discharge amount and the vibration of the post insulator are continuously measured at different moments, and a multivariate statistical analysis method is applied to establish an operation correlation matrix to analyze the autocorrelation of each characteristic parameter.

The invention relates to the technical field of construction engineering cost, in particular to an on-site survey device based on construction engineering cost, which comprises a support assembly and a viewer. The supporting assembly comprises a rotary table, a vertical assembly and a supporting table. The vertical assembly is vertically installed on the rotary table, the supporting table is horizontally installed on the vertical assembly and slides in the height direction of the vertical assembly, and the observation instrument is installed on the supporting table. The method has the advantage that the survey result is more comprehensive.

The invention discloses a method for measuring the deformation of a large-sized work-piece, which comprises the following steps of: firstly, placing a fixed point; secondly, sticking a deformation point; thirdly, sampling and shooting a picture; fourthly, rebuilding the information of the deformation point; fifthly, combining the coordinates; sixthly, resetting the ID of the deformation point; andseventhly, calculating the deformation quantity. By the operation steps, the invention can measure the direction and size of the three dimensional deformation of the large-size workpiece, which is caused by the applied force load, thermal load, etc. The method has the characteristics of easy operation, no restriction of the size of the workpiece, abundant measurement information, precise and reliable results, high efficiency and non-contact measurement.

The invention provides a device for measuring the velocity and the structure of detonation waves under the action of liquid drops and a control method of the device. The device comprises a main body heating cavity, a temperature control device, a detonation tube supply and control system, a liquid drop generation and control device, a test system and a control method. A high-precision signal generator uniformly controls the triggering time sequence of a liquid drop generator, an igniter and a high-speed camera, so that liquid drops with different micro-explosion degrees and Weber numbers interact with detonation waves at different development stages; a high-frequency pressure sensor, a high-speed shadow, a schlieren and a three-dimensional flame reconstruction technology based on stereoscopic laser-induced fluorescence are comprehensively used for measuring the propagation velocity and the structure of detonation waves at different development stages when liquid drops exist.

The invention discloses a method for preventing a vehicle from running a traffic light at an intersection by mistake under an intelligent driving assistance system. The method for preventing the vehicle from running the traffic light at the intersection by mistake under the intelligent driving assistance system comprises the steps of obtaining information of a vehicle running environment by usinga sensor; inputting the information into an ACC function control module so as to obtain a visual field angle alpha for actual judgement; if alpha is larger than or equal to 0, transmitting a positiveor negative accelerated speed request value to a communication module; if the alpha is less than 0, transmitting a negative accelerated speed request value to the communication module; and finally, enabling the communication module to transmit information of controlling a following distance to a vehicle body control unit. According to the method for preventing the vehicle from running the trafficlight at the intersection by mistake under the intelligent driving assistance system, the identification accuracy can be improved, it can be guaranteed that a driver can observe more traffic road condition information, and the risk of running the traffic light by mistake can be prevented.

The embodiment of the invention relates to display cabinets, and discloses a device combining a transparent screen and mechanical interaction. The device combining the transparent screen and the mechanical interaction comprises a display box body, a transparent touch screen module, a driving device and a main control system, wherein the display box body is used for placing articles, the transparent touch screen module is arranged on the display box body and used for displaying the articles in the display box body, the driving device is used for driving the articles to move, and the main control system is electrically connected with the touch screen module and the driving device and used for controlling the driving device according to a touch control signal of the transparent touch screen module. Compared with the prior art, the device combining the transparent screen and the mechanical interaction has the advantages that a watcher can watch different portions of the articles through the touch screen module, an introduced area of the articles can be viewed according to the introduction on the touch screen module, so that the watching sensation and experience feeling of the watcher can be enhanced, the understanding to the articles is more profound, and the display interaction effect is better.

The invention provides a multi-person pressurizing cabin built in a folding box body, the multi-person pressurizing cabin comprises the folding box body and a pressurizing cabin body, the folding box body comprises a main box body, a top box cover and a side box cover, the top box cover and the side box cover are respectively installed on the top surface and the side surface of the main box body through hinges, and the side box cover and the top box cover are connected through hinges; the side box cover and the top box cover are fixed on the main box body through hasps, the hasps are opened, the side box cover and the top box cover are flatly laid on the ground, and the main box body door plate is fixed with the main box body through the hasps; the pressurization cabin body comprises a cabin body and a cabin door, the cabin door is installed at the front end of the pressurization cabin body, and the cabin body is fixed to the flatly-laid side box cover and the top box cover. The design that the soft cabin and the transportation box body are combined into a whole is adopted, the foldable box body and the pressurization cabin are combined, and the advantages of being high in mass and easy to store are achieved.

The invention relates to a vacuum low temperature micro visualize, which comprises a sight chamber, a cold trap, a refrigeration system, a vacuum system, and a control and teat recording system. A microscope, an electronic scale, a cooling and heating element, a winding lens shielding mechanism, a temperature sensing element, and a pressure sensing element are arranged in the sight chamber. A lowtemperature condensing coil is arranged in a cold trap chamber, the refrigeration system is connected with a heating refrigeration board and a nozzle of the sight chamber as well as the condensing coil of the cold tap chamber. A vacuum pump is connected with a pumping hole of the cold trap chamber, the computer control and teat recording system is connected with a thermocouple, the electronic scale, and the sight chamber, and is connected with an image collector above the microscope through an image data processor. The invention can be used for studying the heat-transfer and mass-transport process of various solids and liquid materials under the condition of low temperature and vacuum, and for timely and continuously observing the mass, the temperature, the pressure, and the micro image ofthe observed materials, which are recorded and stored by a computer, thereby realizing the numeralization operation.

The invention discloses an AGC adjustment method for satellite-borne interference imaging height gauge based on FPGA. The method comprises the steps of 1, using a current pulse attenuation code to perform ADC sampling, and collecting an echo signal of transmitted pulse; 2, computing a current echo amplitude mean value according to the collected echo signal; and 3, forming multiple sections by division according to an injected expected echo amplitude upper limit value and an injected expected echo amplitude lower limit value, and judging whether the current echo amplitude mean value is positioned in the specified section; if the section where the current echo amplitude mean value is located is the specified section, using the current pulse attenuation code as an attenuation code value applied to echo signal sampling of the next transmitted pulse; and if the section where the current echo amplitude mean value is located is not the specified section, generating the next pulse attenuationcode to serve as the attenuation code value used when the echo signal is sampled at the next time according to a judgment result and the current pulse attenuation code. According to the method, the echo signal amplitude mean value can be quickly adjusted to the proper section.

The invention discloses landform latent change observation equipment which comprises a camera device and a processing unit, the camera device collects images of a landform so as to provide multi-period periodic images corresponding to the landform, and the processing unit captures periodic images divided into a plurality of cell areas, calculates the periodic image of each cell region by using a hash algorithm to form a character string, compares the similarity between the character strings generated by the early-stage periodic image and the current-stage periodic image of the same cell region, and generates landform latent change information when the similarity is lower than a threshold value. Therefore, the landform latent change observation equipment can directly carry out rapid and comprehensive observation at a far end, and can find the abnormal state of the surface appearance in advance, thereby effectively preventing the occurrence of latent change disasters.

The invention belongs to the technical field related to inkjet printing and manufacturing, and discloses a device for observing the state of flying ink droplets, which includes a support base plate, a first monocular visual observation unit, a second monocular visual observation unit, and double mirrors Units, etc., where the support base is used to install other functional units, and determine the angle α of the binocular camera; the two monocular vision observation units are each composed of a CCD vision component and a matching LED light source, and they are jointly formed by the angle α. Execute the functional module that realizes the observation function of the binocular camera; the double mirror unit is located between the CCD vision component and the LED light source component, and is used to change the spatial state of the light path propagation. Through the present invention, parameters such as the volume and flight trajectory of ink droplets can be obtained more comprehensively and accurately, satisfying the comprehensive observation of ink droplets with various shapes; in addition, it is also convenient to change the spatial route of beam propagation, and solve the problem that the vertical flight distance of ink droplets is very small This leads to the problem of insufficient measurement space.

The invention relates to a meteorological unmanned aerial vehicle, which includes a meteorological unmanned aerial vehicle body, and also has a recoil landing mechanism, a water sample collection control mechanism, and a wireless receiving circuit; the recoil landing mechanism includes an air tank, a solenoid valve, and a wind generator. , control circuit; the air tank is installed at the lower end of the drone body, the lower end of the air tank is equipped with an exhaust pipe, one end of the solenoid valve is connected to the exhaust pipe, the other end of the solenoid valve is installed with a nozzle, and the side end of the air tank is installed with a The air nozzle; the wind generator is installed at the lower end of the air tank; the water sample collection mechanism includes a prompt circuit and a probe; In the end, the control circuit and the prompt circuit are installed in the drone body and electrically connected with the solenoid valve and the generator. The invention also includes observation systems that include drones. When the falling speed of the unmanned aerial vehicle body is too fast, the falling speed of the unmanned aerial vehicle body can be slowed down, preventing the unmanned aerial vehicle main body from falling too fast and causing damage. The invention can also conveniently collect water samples.

The present invention relates to a UAV weather observation system, comprising a first compound-wing UAV weather observation subsystem, a second compound-wing UAV weather observation subsystem, a multi-rotor UAV weather observation subsystem and a data center, Each meteorological observation subsystem has aircraft, sensor subsystem, command and control platform subsystem and integrated support platform subsystem. It is an unmanned aerial vehicle observation system based on multiple combinations and observation methods, which can realize high-definition resolution detection of disaster-stricken areas, make up for the shortcomings of existing satellite remote sensing in disaster prevention and mitigation, and more efficiently play the role of meteorology in disaster prevention and mitigation. Benefits: Realize ecological meteorological remote sensing monitoring in different topography and climate zones, realize land surface ecosystem observation and evaluation, and provide guidance for the construction of ecological civilization such as soil erosion in the Loess Plateau and water conservation land in Qinling Mountains; realize the authenticity of satellite ground products Calibration; realize boundary layer meteorological environment monitoring, and carry out boundary layer haze research.

The invention discloses a method for preventing a vehicle from running a traffic light at an intersection by mistake under an intelligent driving assistance system. The method for preventing the vehicle from running the traffic light at the intersection by mistake under the intelligent driving assistance system comprises the steps of obtaining information of a vehicle running environment by usinga sensor; inputting the information into an ACC function control module so as to obtain a visual field angle alpha for actual judgement; if alpha is larger than or equal to 0, transmitting a positiveor negative accelerated speed request value to a communication module; if the alpha is less than 0, transmitting a negative accelerated speed request value to the communication module; and finally, enabling the communication module to transmit information of controlling a following distance to a vehicle body control unit. According to the method for preventing the vehicle from running the trafficlight at the intersection by mistake under the intelligent driving assistance system, the identification accuracy can be improved, it can be guaranteed that a driver can observe more traffic road condition information, and the risk of running the traffic light by mistake can be prevented.

The invention discloses a fishway structure and a fish-gathering method, in order to observe a fishway, research the fish gathering and conveniently and quickly gather fish. According to the fishway structure, a pool unit is served as an observing area pool; a fish-guiding plate is arranged in the observing area pool; a fish-passing clearance is formed between the fish-guiding plate and an observing wall; a first observing window is arranged on the observing wall corresponding to the fish-passing clearance; an upstream fish corral is connected between an upstream end of the fish-guiding plate and a supporting wall; a downstream fish corral is connected between a downstream end of the fish-guiding plate and the supporting wall; a fishway upstream gate is arranged between one end of the fish-guiding plate on the upstream side and the observing wall; a fish-gathering pool with an inlet is arranged outside the observing wall corresponding to the upstream side of the fish-guiding plate; a fish-gathering pool inlet gate is arranged at the inlet of the fish-gathering pool; and when the fishway upstream gate is closed and the fish-gathering pool inlet gate is opened, the fish-passing clearance is communicated with the fish-gathering pool, so that the fish-gathering can be performed.

The invention discloses a portable cardiac sound and electrocardiogram monitoring integration system. An existing electrocardiogram relevant instrument is difficult to simultaneously obtain cardiac sound data. The shell of the portable cardiac sound and electrocardiogram monitoring integration system is fixedly provided with a first electrode, a second electrode, a third electrode, a connection hole and a charging hole; a data head is electrically connected with the connection hole; a first conductor is used for connecting the data head and a cardiac sound electrode patch; an energy converter is electrically connected with the connection hole; and the data head, a second conductor, a connection end head, a connection button, a base plate and an electrode sheet are electrically connected in sequence. The electrode sheet is attracted to clothes through cooperation of a first magnet and a second magnet so as to guarantee that the position of the electrode sheet is accurate and stable, and a monitoring effect is better; the cardiac sound electrode patch is pasted to the skin surface of the heart area, the energy converter converts mechanical vibration, including myocardial contraction, valve starting and closing and the like, into an electric signal, and the electric signal is recorded to form a cardiac sound diagram; and the electrode patch is spliced to four skin areas, cardiac sound analysis and electrocardiogram activity analysis are favorable for reflecting the specific state of the heart, and data analysis is more scientific and comprehensive.

The invention provides a lubrication effect observing device for engine pistons of an automobile and belongs to the technical field of automobile manufacture, and the device is used for solving the problem that the existing lubrication effect of the engine pistons of the automobile cannot be observed. The lubrication effect observing device for the engine pistons of the automobile disclosed by the invention comprises a rack for placing an air cylinder body and an engine oil pool which is arranged below the rack and is used for containing engine oil. The inner end of one oil pipe is located in the engine oil pool and the outer end of the oil pipe extends out to the air cylinder body. The outer end of the oil pipe is fixedly connected with oil nozzles which are the same with the pistons in quantity. Each oil nozzle points to the corresponding piston. The oil pipe is connected with an engine pump and the engine pump is linked with a control structure for controlling the flow of the engine oil pump. The lubrication effect observing device disclosed by the invention further comprises an observing piece which can be used for observing by extending into an air cylinder and is connected with a display screen. The observing piece is linked with the control structure. The lubrication effect observing device disclosed by the invention has the advantages of direct observation and easiness for implementation.