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62results about How to "Easy for research and analysis" patented technology

Alternating current entering alarming device of transformer substation direct current power source system

The invention discloses an alternating current entering alarming device of a transformer substation direct current power source system. The alternating current entering alarming device of the transformer substation direct current power source system comprises a sampling isolating circuit, a signal amplifier, an analog-digital converter, a real-time monitoring processor, a data storage device, a master control module and an alarming module, wherein the output end of the sampling isolating circuit sequentially passes through the signal amplifier and the analog-digital converter and is further connected with the input end of the real-time monitoring processor, the real-time monitoring processor is connected with the master control module and the data storage device, and the output end of the master control module is connected with the input end of the alarming module. The alternating current entering alarming device of the transformer substation direct current power source system can monitor an alternating current entering direct current power source system in real time, give an alarm in time and carry out route selection on branches with alternating current entering when alternating current with the amplitude ranging from 10V to 250V enters the direct current power source system and largely facilitate checking of grounding failures for workers, thereby improving stability and reliability of the direct current power source system. The alternating current entering alarming device of the transformer substation direct current power source system can be widely applied to the field of power monitoring.
Owner:ANSHAN POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER COMPANY +1

Shock absorber tension and pressure measuring instrument and detection method thereof

The invention provides a shock absorber tension and pressure measuring instrument and a detection method thereof, which overcome the defects that existing measuring equipment measures data incompletely, and is low in measurement precision and free of a function of perfecting parameter statistics and analysis. The shock absorber tension and pressure measuring instrument comprises a supporting frame, wherein the supporting frame is provided with an operation desk; a motor is arranged below the operation desk; the output shaft of the motor vertically penetrates through the operation desk and is connected with a transmission component in a driving way; the outer end of the transmission component is movably connected onto a sliding component; a tension and pressure detection position is arranged on the sliding component; a tension and pressure sensor is positioned on the tail end of the tension and pressure detection position; the tension and pressure sensor is connected with an amplifier filter, an A/D (Analog/Digital) converter, a microprocessor and an upper computer in sequence; and the microprocessor controls and is connected with the motor through a driving circuit. The detection method of the shock absorber tension and pressure measuring instrument comprises the steps of pressure collection, conversion, judging, storage, transmission, motor control and the like. The shock absorber tension and pressure measuring instrument and the detection method thereof have the advantages of being simple in structure of the instrument, reliable to act, rational in detection program design and clear in detection parameters, thereby being beneficial to further research and analysis.
Owner:SHANDONG UNIV OF SCI & TECH

Communication system for inland lake observation network

The invention discloses a communication system for an inland lake observation network, and relates to the technical field of communication. The system comprises a data collection module which is used for collecting observation data of an inland lake through an inland lake observation network in response to a preset data collection instruction; a data analysis module which is used for analyzing the received observation data, and classifying the observation data according to observation coefficients, wherein different transmission paths are selected for different data, so that base station congestion is effectively avoided, and the communication efficiency and communication quality are improved; a data transmission module which is used for selecting a corresponding base station to access the data collection module according to a preset rule to form a transmission path and sending the observation data to an observation center; and a data monitoring module which is used for retrieving, downloading and monitoring the observation data stored in a storage module, and judging whether the observation data needs to be updated or not. According to the invention, the latest observation data of a corresponding lake can be timely collected, and the observation personnel can conveniently research and analyze the observation data, so that application values of the observation data are improved, and the communication efficiency is improved.
Owner:广州浩瀚电子科技有限公司

Method for determining residual stress of sealing ring of solid rocket engine under high pressure

The invention relates to a method for determining residual stress of a sealing ring of a solid rocket engine under high pressure, and belongs to the field of solid rocket engine sealing technology. The method includes the steps of determining related parameters of the solid rocket engine, determining the preload compression deflection of the sealing ring, determining the air pressure difference of the solid rocket engine working under high pressure, determining the deformation rate of the sealing ring under the preload state, solving the residual deformation rate of the sealing ring, and solving the residual stress of the sealing ring. Based on a Mooney-Rivlin model, a threaded connection simplified model and air pressure difference effect model established for a rubber sealing ring, the residual stress of the sealing ring under high pressure effect is determined according to known preload compression of the sealing ring and internal and external air pressure difference of the solid rocket engine, and leakage rate of the sealing ring when the solid rocket engine is under high pressure effect is determined. Theoretical support for improving the assembly process of a solid rocket engine is provided.
Owner:CHONGQING UNIV

Dry distillation equipment for dynamic circulation extraction of spices

PendingCN108485815AAchieve retort conditionsFragrance ingredients are completeEssential-oils/perfumesEngineeringSolvent
The invention discloses dry distillation equipment for dynamic circulation extraction of spices. The dry distillation equipment comprises a dry distillation extraction kettle, a multi-stage condensation recovery device, an air pump and an air preheating device, wherein the dry distillation extraction kettle comprises a raw material bin, a far infrared heating jacket, a temperature probe, an air outlet I and an air inlet I; the multi-stage condensation recovery device comprises an air condenser, a water condenser, a spice collecting tank, a freezing liquid condenser and a liquid N2 cold trap which are sequentially connected by a pipe; the air outlet I of the raw material bin is connected to the air inlet II of the air condenser by a pipe, the air outlet of the liquid N2 cold trap is connected to a passage valve I, the air pump, a passage valve II and the gas preheating device through a pipe, and the gas preheating device is connected with the air inlet I of the raw material bin througha pipe. Air is repeatedly circulated in the system to dynamically complete the process of extracting and recovering spices. The dry distillation equipment has no solvent, and has the outstanding advantages of safety, environmental protection, excellent quality and low cost, and can be used to obtain thermal cracking spices.
Owner:YUNNAN YANGRUI TECH GRP

Multifunctional rumen monitoring device

The invention relates to a multifunctional rumen monitoring device. The multifunctional rumen monitoring device comprises a shell which is formed by a first shell and a second shell and has a light upper part and a heavy lower part, a protective layer covering the shell; a permanent magnet, a pH sensor, a first temperature sensor, a first pressure sensor, a processor and a power supply unit are arranged in the second shell; and a filter screen is used for protecting the pH sensor. The device has the advantages that through weight distribution, the monitoring device is light at the upper part and heavy at the lower part, so that the monitoring device can float in gastric juice without sinking to the bottom of the gastric juice; data such as pH, temperature, pressure and peristalsis of the rumen can be obtained in real time for a long time, and research and analysis by related personnel are facilitated; the whole device is made of a corrosion-resistant material, and the power supply unitcan provide long-time electric energy supply, so that the monitoring device can be used for a long time; the shape of the device is reasonably designed to prevent rumination from leaving the rumen; and the permanent magnet is integrated in the shell, so that metal substances in gastric juice can be adsorbed, and meanwhile, the weight of the lower part of the shell is increased.
Owner:光明牧业有限公司

Capturing device for magnetic impurities in liquid metal

InactiveCN102784716AIncrease the air gap magnetic field strengthMultiple captureHigh gradient magnetic separatorsMotor driveCopper
A capturing device for magnetic impurities in liquid metal comprises a magnetic field system, a wire net, a crucible, a smelting tank, a sealing system, a fastening connecting rod, a support platform, a motor, a belt and a gas passageway; permanent magnets in the magnetic field system are placed in limit slide blocks on a guide rail and provide a magnetic field through a magnetic yoke; the crucible is arranged in the smelting tank as a liquid metal container; the wire net is vertically arranged in liquid metal through a rotating shaft; the sealing system comprises a sealing flange, the rotating shaft, a copper sleeve and a sealing oil trough; the position of the wire net in the liquid metal can be changed by adjusting the lifting height of the rotating shaft, and the fastening connecting rod is fixed through a fastening screw so as to fix the rotating shaft; the motor drives the rotating shaft through the belt; and the gas passageway is arranged at the upper end of the sealing oil trough and is used for allowing liquid metal protective gas to pass in and out. The capturing device for magnetic impurities can be used for simulating part of working parameters of magnetic traps in liquid metal and capturing magnetic impurities and is a simple and effective device for research on action of magnetic impurities in liquid metal.
Owner:HEFEI INSTITUTES OF PHYSICAL SCIENCE - CHINESE ACAD OF SCI

Macroscopic examination method of high-manganese high-titanium microalloying steel casting slab

The invention provides a macroscopic examination method of a high-manganese high-titanium microalloying steel casting slab applied to the technical field of steelmaking and continuous casting slabs. The macroscopic examination method of the high-manganese high-titanium microalloying steel casting slab comprises the examination steps that after the slab is out of a fan section, the slab is stackedoffline and cooled to normal temperature; a slab macroscopic sample is cut, the milling machine machining thickness of the examination surface of the slab macroscopic sample is controlled, and the roughness of the examination surface of the slab macroscopic sample is controlled; industrial hydrochloric acid with water are matched to form an acid solution, the acid solution is added to a pickling tank and heated; the slab macroscopic sample is put into the pickling tank for erosion, the examination surface of the slab macroscopic sample is cleaned with alkaline water, and the examination surface of the slab macroscopic sample is blown dry; and the slab macroscopic sample is rated, and the rating result is obtained. According to the macroscopic examination method of the high-manganese high-titanium microalloying steel casting slab, the rating result of the slab macroscopic sample can truly reflect the original slab quality of a continuous casting slab, and basic data are provided for theoptimization of a continuous casting technology and the research on the relationship with the quality of a rolled material.
Owner:MAANSHAN IRON & STEEL CO LTD

Method and system for automatically testing resistance value and marking automobile temperature sensor

The invention provides a method for automatically testing a resistance value and marking an automobile temperature sensor. The method comprises the steps of loading a to-be-tested automobile temperature sensor to a position fixer in a constant-temperature water tank; performing temperature detection on the constant-temperature water tank where the to-be-tested temperature sensor is located, and ifthat the temperature of the constant-temperature water tank meets the temperature stability standard is detected, performing resistance value detection on the to-be-tested automobile temperature sensor; comparing the resistance value measured by the to-be-tested automobile temperature sensor with a preset threshold resistance value range; and if the resistance value of the to-be-tested automobiletemperature sensor is within the preset threshold resistance value range, controlling an air cylinder marking mechanism to mark the current to-be-tested automobile temperature sensor, and marking thecurrent to-be-tested automobile temperature sensor as a qualified product. According to the method, an existing manual test on the automobile temperature sensor is optimized and improved into an automatic test, so that the test efficiency and the test reliability are improved. The whole process of testing the automobile temperature sensor is more visually shown on test software, and test data isautomatically stored locally, so that later tracing and research analysis are facilitated.
Owner:XIAOGAN HUAGONG GAOLI ELECTRONICS

Hydrops drainage device for cardiovascular medicine department

The invention belongs to the technical field of medical instruments, and discloses a hydrops drainage device for the cardiovascular medicine department, which comprises a suction bottle and a bottle rack, the suction bottle is clamped on the bottle rack through a lantern ring, the suction bottle is connected with a suction pipe, a negative pressure pipe and a first flow guide pipe in a sealed mode, the suction pipe is sleeved with a guide pipe, the negative pressure pipe is connected with a negative pressure suction pump. the inner side of the suction bottle is connected with a collecting plate, the lower end of the first flow guide pipe is sleeved with a flow guide pipe adjuster and an arch-shaped buffer pipe, the arch-shaped buffer pipe is connected with a liquid flowmeter, a liquid outlet pipe of the liquid flowmeter is connected with a second flow guide pipe, the second flow guide pipe is connected with a liquid three-way valve, two liquid outlets of the liquid three-way valve are respectively in pipe connection with a first liquid outlet pipe and a second liquid outlet pipe, the first liquid outlet pipe is connected with a first hydrops bottle, and the second liquid outlet pipe is connected with a second hydrops bottle. The hydrops drainage device solves the problems that in the drainage process of an existing hydrops drainage device, a hydrops bottle cannot be replaced, and the hydrops amount detection precision is low, and is suitable for hydrops drainage in the cardiovascular medicine department.
Owner:HEILONGJIANG UNIV OF CHINESE MEDICINE

Power distribution network electric energy quality flexible detection and analysis system

The invention discloses a power distribution network electric energy quality flexible detection and analysis system and belongs to the power distribution network detection field. The power distribution network electric energy quality flexible detection and analysis system comprises an electric energy monitor. The electric energy monitor comprises an electric energy monitor A installed in a non-linear power supply, an electric energy monitor B installed in an alternating current/direct current hybrid power distribution network, and an electric energy monitor C installed in a load device. The electric energy monitor A, the electric energy monitor B and the electric energy monitor C simultaneously collect electric energy characteristics of three dimensions of the non-linear power supply, thealternating current/direct current hybrid power distribution network and the load device. Based on analysis of a typical complex power distribution network, a rapid detection and analysis method of complex power distribution network electric energy quality parameters is grasped, and the flexible configuration of an electric energy quality management device is realized. Besides, through a verification module, a power grid time domain simulation analysis method is used to detect and calculate each parameter of electric energy quality so as to ensure the rationality of a model.
Owner:ELECTRIC POWER RES INST OF STATE GRID ZHEJIANG ELECTRIC POWER COMAPNY +2

Visualized medical auxiliary inspection equipment

The invention relates to visualized medical auxiliary inspection equipment, belonging to the technical field of medical appliances. The visualized medical auxiliary inspection equipment not only can process clinical inspection data but also can demonstrate to many people in time, thereby being convenient for teaching activities. The visualized medical auxiliary inspection equipment of the invention comprises an observing system and an imaging device, wherein the observing system has a barrel-shaped shell and is provided with an ocular lens, an objective lens, a spectroscope, an optical fiber interface and a mechanical supporting seat, and the optical fiber interface is connected with the imaging device through optical fibers. The invention has the advantages of small volume, low cost and convenient use. When in use, the scene seen by a user who wears the visualized medical auxiliary inspection equipment is shown on the imaging system or other external equipment. The visualized medical auxiliary inspection equipment can be widely applied to scientific research, teaching and medical diagnosis and identification and especially medical diagnosis and teaching of frontal mirrors, indirect laryngoscopes, ophthalmoscopes, skiascopes and other equipment which only can be independently observed by observers, can also be used for drawing, shooting and recording of teaching data, scientific research data and clinical data, and is beneficial to research analysis, teaching demonstration, consultation identification and other works.
Owner:孙渝超 +1

A kind of running-in test method of hydraulic automatic transmission

The invention relates to a running-in test method of an automatic hydrodynamic transmission. The running-in test is conducted on a test stand of the automatic hydrodynamic transmission. The running-in test method of the automatic hydrodynamic transmission comprises the following steps that the automatic hydrodynamic transmission is filled with operating oil, braking of an output shaft and a variable frequency motor are started to drive a hydrodynamic torque converter to stir the operating oil to produce friction and be preheated, the temperature of the operating oil is made to reach 90+ / -10 DEG C, the automatic hydrodynamic transmission is set to be in a manual shifting mode, an output shaft braking system is loosened after gears are engaged, the running-in test is performed on each gear, the input revolving speed under each gear is gradually increased at equal intervals from the idling revolving speed of an engine matched with the automatic hydrodynamic transmission to the rated speed of the engine, and test data are recorded. As metal filings remained in the hydrodynamic torque converter when machining is conducted are removed through the running-in, and machining marks on each friction surface are polished, smooth operation of the running-in test under the high gear and high revolving speed is ensured effectively, breakdown of the transmission can be found timely, and probability of damage to the automatic hydrodynamic transmission is reduced.
Owner:SPECIAL VEHICLE TECH CENT OF HUBEI AEROSPACE TECH RES INST

Furnace stopping method for blast furnace anatomy research and spray gun device

The invention discloses a furnace stopping method for blast furnace anatomy research and a spray gun device. The furnace stopping method is characterized by comprising the following steps that 1) thespray gun device for spraying a filling material into a blast furnace tuyere rotating area is designed and manufactured; 2) short-term damping down of a blast furnace is performed, the spray gun device is arranged to a part of tuyeres of the blast furnace, re-blowing of the blast furnace is performed after the spray gun device is finished arranging; 3) blast furnace blast temperature canceling isperformed, it is ensured that the theoretical combustion temperature at the front of the tuyeres is not higher than the melting point temperature of the filling material; 4) the spray gun device is connected with a spraying machine, and the filling material is sprayed into the blast furnace tuyere rotating area; 5) after the blast furnace damping down and stopping, coal gas is cut off effectively,and blast furnace cooling equipment keeps normal cooling; 6) N2 gas is introduced into the blast furnace, and furnace burden cooling is performed; and 7) a thermocouple is inserted, the thermocoupleis connected into a central control computer to allow the temperature field change to be observed until furnace cooling is finished. According to the furnace stopping method for the blast furnace anatomy research and the spray gun device, the original state of each section of furnace burden of the blast furnace can be well reserved, research and analysis are facilitated, and a relatively good application prospect is achieved.
Owner:MAANSHAN IRON & STEEL CO LTD

Large mine stone surface treatment device

The invention discloses a large mine stone surface treatment device. The device comprises a surface softening chamber and a surface treatment chamber, wherein a stone fixing table and an atomizing nozzle are arranged in the surface softening chamber; a rotating shaft connected to the inner bottom of the surface softening chamber is arranged in the center of the bottom surface of the stone fixing table; annular teeth are radially arranged around the stone fixing table; a motor is further arranged at the bottom of the surface softening chamber; a gear meshed with the annular teeth is arranged atthe power output end of the motor; the surface treatment chamber comprises a blast pipe at the top and a pair of rotating chucks; a fine sand circulating pipeline is arranged at the side of the surface treatment chamber; spiral blades are arranged in the fine sand circulating pipeline; the bottom of the fine sand circulating pipeline is communicated with the bottom of the surface treatment chamber; the top of the fine sand circulating pipeline is communicated with the blast pipe; and a fan is arranged in the blast pipe. By means of the device, surface treatment, cleaning and grinding can be conducted on large stones with irregular appearances, and subsequent research and analysis are facilitated.
Owner:WUXI WASHING MACHINERY FACTORY
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