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13 results about "Osmometer" patented technology

An osmometer is a device for measuring the osmotic strength of a solution, colloid, or compound.

A retrievable osmometer for reservoir dam safety monitoring

The application discloses a dam seepage pressure gauge, and relates to the technical field of dam seepage pressure monitoring. The seepage pressure gauge comprises a seepage pressure gauge main body, a protection mechanism, a supporting mechanism and a buffer, the protection mechanism comprises a protection cylinder, the bottom end side of a columnar body is provided with a mounting plate, the mounting plate is mounted at the bottom of the protection cylinder, and the columnar body is located in the protection cylinder; the supporting mechanism comprises a plurality of main supporting feet which are distributed in the circumferential direction of the axial line of the protection cylinder, the fixed end of the main supporting foot is mounted at the lower end of the protection cylinder, and the outer end of the main supporting foot is used for abutting against the inner wall of the hole groove; the output end of the buffer is transmissionally connected to the protection cylinder, and the buffer is used for applying a buffering force to the protection cylinder; the seepage pressure gauge protects the seepage pressure gauge main body through the protection mechanism, avoids damage of the seepage pressure gauge main body caused by direct collision between the seepage pressure gauge main body and the inner wall of the hole groove, and applies a buffering force to the protection cylinder through the buffer, so that the lowering is ensured to be smooth.
Owner:DALIAN HEHAI WATER CONSERVANCY & HYDROPOWER SURVEY & DESIGN CO LTD

A device for detecting and predicting the seepage of a waterlogged roadbed

The utility model relates to the technical field of forecasting device, concretely relates to a kind of waterlogged roadbed anti-infiltration detection forecasting device, including the cabinet for placing osmometer, cabinet bottom is connected with support pipe, support pipe is slidingly connected with cylinder, lifting mechanism is set on cylinder, lifting mechanism is used to control support pipe to slide upwards or downwards, the height of cabinet is controlled by the setting of lifting mechanism, when needing to osmometer in the cabinet, the height of cabinet can be lowered, staff need not to work at high place by ladder, avoid the security risk of falling, work more safely.
Owner:CHINA RAILWAY 20TH BUREAU GRP SECOND ENG CO LTD

Device for monitoring water leakage in water pressure test process

The utility model belongs to the technical field of water-power engineering survey design tests, and provides a device for monitoring water leakage in a water pressure test process. Comprising a water pressure test water inlet pipe, a water pressure test water passing pipe, a water stop capsule, an osmometer and an osmometer data line, the water pressure test water inlet pipe is communicated with the water pressure test water passing pipe and is connected to the central area of the water stop capsule in a penetrating manner, and the connecting parts of the water pressure test water inlet pipe, the water pressure test water passing pipe and the water stop capsule are sealed; the water stopping capsule can be pressed into water to expand, and when the water stopping capsule is pressed into water to expand through the water pressing device, the outer wall of the water stopping capsule is tightly attached to the inner wall of the drill hole to stop water; the osmometer is arranged on the upper side of the water stop capsule; the osmometer data line is connected with the osmometer and is used for transmitting data monitored by the osmometer to terminal equipment. The water leakage condition in the water pressure test process can be found in time, test data are timely and accurate, and the device is suitable for drilling holes of different sizes.
Owner:POWERCHINA BEIJING ENG CORP

Hydropower station dam osmometer automatic reading method based on machine vision and deep learning

The invention discloses a hydropower station dam osmometer automatic reading method based on machine vision and deep learning, and relates to the technical field of dam safety management, and the method comprises the steps: carrying out the adaptive preprocessing of an osmometer image; positioning a dial plate area and fitting a circle center; preliminarily identifying a pointer line segment; a pre-trained YOLO model is adopted to accurately detect a pointer area, and the fitting circle center is combined to calibrate the actual circle center and the tail end position of the pointer; dial scale characters are identified, the centroid position and the radian and distance relative to the actual circle center of the dial scale characters are calculated, a scale data set is constructed, and abnormal data are filtered out through an isolated forest algorithm; and finally, based on the radian of the pointer and the optimized scale data set, performing calculation through polar coordinate mapping and an intelligent interpolation algorithm to obtain a high-precision osmotic pressure reading. According to the invention, full automation, high precision and high robustness of reading of the osmometer are realized, and the defects of low efficiency, large error and poor anti-interference capability of manual inspection and a traditional image processing method are effectively overcome.
Owner:STATE GRID ZHEJIANG ELECTRIC POWER CO LTD

A seepage probability prediction model training and reservoir seepage point positioning method and device

The present application relates to the technical field of safety monitoring, and discloses a seepage probability prediction model training method, a reservoir basin seepage point positioning method and device, the present application simulates the readings of each osmometer when seepage occurs in different regions of the reservoir basin anti-seepage region by using the finite element seepage model of the reservoir basin anti-seepage region; the readings of each osmometer in the sample data are taken as input features, the seepage probabilities of different regions in the sample data are taken as output labels, the model is trained, and a seepage probability prediction model is obtained, the seepage probability prediction model is used to determine the seepage probabilities of different regions according to the readings of each osmometer in the reservoir basin anti-seepage region, a mapping relationship between osmometer readings and seepage probabilities of each region is constructed by finite element simulation, and the seepage probability prediction model is trained, the present scheme realizes the positioning of seepage regions based on the existing osmometer network, reduces the seepage monitoring cost, and improves the positioning accuracy and early warning timeliness.
Owner:CHINA THREE GORGES CORPORATION

Pipeline osmometer mounting device and mounting method thereof

The invention relates to the technical field of pipeline detection, in particular to a pipeline osmometer mounting device and a mounting method thereof.The mounting device comprises a supporting mechanism, a positioning piece, a reaming mechanism and a processing mechanism; an operator firstly uses the positioning piece and the supporting mechanism to mount the reaming mechanism on a pipeline, uses the processing mechanism to process the mounting surface of the mounting pipe into an arc-shaped structure, and then places the mounting pipe below the reaming mechanism to broach the pipeline of the reaming machine through the mounting pipe; the structure of the positioning piece is changed, the pipeline is processed, so that the opening edge of the pipeline abuts against the interior of the installation pipe, the equipment is removed, the interior and the exterior of the installation pipe are welded, the osmometer is installed, the equipment solves the problems of gaps between welding seams and welding difficulty, and the equipment has good practicability and economical efficiency and is suitable for popularization and application. And popularization and use of equipment are facilitated.
Owner:GUANGZHOU WATER SUPPLY PROFESSIONAL JIANAN

Burying device and burying osmometer

The application relates to the technical field of water seepage pressure measurement, in particular to a burying device for an underwater tunnel environment and a buried seepage pressure gauge. The burying device can realize the sealing of a second sealing section and a lining drill hole after the water-stopping cavity tube is punched into the lining drill hole, the first sealing section can also realize the sealing of the lining drill hole under the condition that water pressure increases, and the sealing performance and friction performance of the first sealing section and the second sealing section increase with the increase of water pressure, thus achieving the effect of self-locking in water to a certain extent. The burying device has stronger anti-seepage performance with greater water pressure, solves the problem of water pressure monitoring of the outer ring of the tunnel lining, can twist off the cover from the water-stopping cavity tube while monitoring the water pressure in real time, and can use the water-stopping cavity tube as a pressure relief hole, thereby reducing the design of the pressure relief hole and avoiding the adverse effects of excessive drilling on the tunnel lining.
Owner:CHINA CONSTR FIRST BUILDING (GRP) CORP LTD

A rotary osmometer and osmotic pressure measuring method

The present application relates to the technical field of osmotic pressure measurement, and particularly relates to a rotary osmotic pressure instrument and an osmotic pressure measurement method. According to the fluctuation degree of adjacent elements in a pressure sequence and an angular velocity sequence in a radial direction at each moment and the difference between the pressure sequence and a solution concentration sequence, migration non-uniformity is obtained, and osmotic coupling instability is obtained in combination with the difference in the fluctuation degree of membrane flux rate in different radial directions. According to the correlation degree between the overall temperature value of each radial direction and the membrane flux rate and the fluctuation degree of the overall temperature value, temperature coupling influence degree is obtained. The final power output value of the control unit is obtained according to the osmotic coupling instability and the temperature coupling influence degree, and the control unit is run. When the overall temperature value satisfies the temperature stability condition after the current analysis period, osmotic pressure measurement is performed. The present application dynamically adjusts the temperature according to the severity of the measurement deviation caused by the internal instability of the osmotic process and the external temperature interference, and improves the osmotic pressure measurement accuracy.
Owner:LABSUN INSTR TECH DEV SHANGHAI CO LTD

Heated osmometer

The application provides a heating type evaporation and infiltration instrument, and relates to the field of ecological environment detection. The heating type evaporation and infiltration instrument comprises an evaporation and infiltration unit, a detection unit and a water supplementing unit. The evaporation and infiltration unit comprises an outer barrel, an inner barrel, a heating module and a weighing sensor. The outer barrel is sleeved on the outer barrel. The top of the inner barrel is provided with a rain collecting opening. The heating piece of the heating module is used for being attached to the inner barrel, and is used for heating the undisturbed soil stored in the inner barrel. The weighing sensor is installed on the outer barrel, and the weighing sensor bears the inner barrel. The detection unit is used for obtaining the test parameters of the undisturbed soil. The water supplementing unit is connected with the evaporation and infiltration unit, and is used for supplying water to the inner barrel. When the heating wire infiltration instrument operates, the difference between the test simulation environment and the actual environment of the undisturbed soil can be reduced, and the accuracy and reliability of the test result can be improved.
Owner:NORTHWEST INST OF ECO ENVIRONMENT & RESOURCES CAS

Batch calibration device for hydraulic osmometers

The utility model provides a batch calibration device for hydraulic osmometers. The batch calibration device comprises a push-pull type quick clamp, a piston type clamping device, a placement cylinder, an angle valve device, a communicating pipe, a line concentration box, a high-pressure connecting rubber pipe and a portable air pump. The osmometers and the cables penetrate through the windowing parts of the placement barrels and are supported and fixed by the push-pull type quick clamps, a sealed pressure cavity is formed by the sealing rubber rings, the placement barrels are connected to the communicating pipes through the angle valve devices, the communicating pipes are connected with the air pump, the osmometer cables are connected with the line concentration box in a tandem mode, and the reading instrument is connected with the port of the line concentration box, so that batch calibration of the multiple osmometers is achieved. The device is simple to operate, free of additional tools, convenient to record, high in observation result quality, quick to disassemble and assemble, capable of calibrating a plurality of osmometers at the same time, good in calibration environment consistency, high in result precision and low in cost, and the working efficiency is greatly improved.
Owner:HUBEI YICHANG DINGCHENG ENG TECH SERVICE CO LTD

Reservable osmometer for safety monitoring of reservoir dam

The invention discloses a maintainable osmometer for reservoir dam safety monitoring, and relates to the technical field of dam osmometer monitoring, the osmometer comprises an osmometer main body, a protection mechanism, a support mechanism and a buffer member, the protection mechanism comprises a protection cylinder, the side part of the bottom end of a column body is provided with an installation plate, the installation plate is installed at the bottom of the protection cylinder, and the protection cylinder is arranged on the installation plate. The column body is positioned in the protective cylinder; the supporting mechanism comprises a plurality of main supporting legs distributed in the circumferential direction around the axis of the protection barrel, the fixed ends of the main supporting legs are installed at the lower end of the protection barrel, and the outer ends of the main supporting legs are used for abutting against the inner wall of the hole groove. The output end of the buffer part is in transmission connection with the protective cylinder, and the buffer part is used for applying buffer acting force to the protective cylinder; according to the osmometer, the osmometer main body is protected by the protection mechanism, so that the osmometer main body is prevented from being damaged due to direct collision with the inner wall of the hole groove, and the buffer action force is applied to the protection cylinder by virtue of the buffer piece, so that the smooth descending is ensured.
Owner:DALIAN HEHAI WATER CONSERVANCY & HYDROPOWER SURVEY & DESIGN CO LTD

An in-situ monitoring device, system and method for a goaf filling slurry solidification process

PendingCN122383414AFixed frameSlurry
The application discloses a goaf filling slurry solidification process in-situ monitoring device, system and method, relates to the goaf filling monitoring technical field underground, and the monitoring device comprises: a hollow package gauge pipe internally provided with a thermometer, an osmometer and an electric conductivity meter; a buffer plate arranged at one end of the hollow package gauge pipe and a pressure box module arranged at the other end of the hollow package gauge pipe, the pressure box module being provided with a first cross fixed frame away from the buffer plate; four displacement meters arranged around the hollow package gauge pipe, the four displacement meters comprising a sliding measuring rod and a stress plate connected with the sliding measuring rod; the stress plate being fixedly connected with a second cross fixed frame, the bottom of the second cross fixed frame being provided with a pulley for enabling the four displacement meters to move only in the front-back or left-right direction, the monitoring device has the characteristics of reasonable structure design, high implementation efficiency and excellent monitoring precision, can be long-term and stable in operation in the complex environment underground, and can realize the in-situ real-time continuous monitoring of multiple parameters in the filling slurry solidification process.
Owner:UNIV OF SCI & TECH BEIJING

Osmometer for complex environment

The utility model discloses an osmometer used in a complex environment, which comprises an osmometer body, one side of the osmometer body is connected with a shielding cable, the shielding cable is sleeved with a protective sleeve, the outer side of the protective sleeve is bonded with a plurality of elastic supporting strips, the outer side of the protective sleeve is fixedly provided with a cover sleeve, and the cover sleeve is fixedly connected with the shielding cable. A plurality of vertical plates are fixedly installed on the outer side of the osmometer body, a rotating plate is rotatably installed on one side of each vertical plate, a pressing block used for pressing a cover sleeve is fixedly installed at one end of each rotating plate, a through hole is formed in the surface of each rotating plate, and an abutting assembly used for abutting against each rotating plate is installed on the surface of each vertical plate. According to the utility model, the cable connection part is sealed and protected through the protective sleeve and the elastic supporting strip, and the strength of the cable connection part can be improved, so that the osmometer can ensure the data transmission stability in a complex environment.
Owner:SICHUAN HUIKANG ZHIGAN TECHNOLOGY CO LTD