33results about How to "Comprehensive observation" patented technology

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 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 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 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 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 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 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 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.