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31 results about "Osmometer" patented technology

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

Measuring method and packaging structure of fiber bragg grating osmometer with built-in temperature compensation

The invention discloses a fiber bragg grating osmometer measuring method with built-in temperature compensation and a packaging structure, and relates to the technical field of osmotic pressure measurement, and the key points of the technical scheme are that the fiber bragg grating osmometer comprises a protective shell, and an osmometer internal structure is formed in the protective shell; the packaging structure further comprises a structure head end connected with the pressure measuring part, a structure tail end connected with the temperature measuring part, an induction part arranged in the protective shell and used for transmitting deformation generated by osmotic pressure to the pressure measuring part, and the pressure measuring part arranged in the protective shell, and the pressure measuring part is of a suspension frame structure formed by coupling double bent frames. The two sides of the pressure measurement part are symmetrically provided with installation grooves for placing pressure measurement fiber gratings. The temperature measuring part is arranged in the protective shell, so that the problem that the measurement precision is obviously influenced by the environment temperature change due to the lack of a temperature compensation function of the existing sensor is solved, and the long-term measurement accuracy and reliability of the osmometer in a complex temperature environment are obviously improved.
Owner:NANJING KAIFA PHOTOELECTRIC TECH CO LTD

A clogging resistant osmometer for measuring osmotic pressure

The utility model discloses a kind of anti-fouling osmometer of measuring osmotic pressure, belong to osmometer technical field, including osmometer main body, the top of osmometer main body is equipped with cable, the bottom of osmometer main body is provided with filter end, the periphery of osmometer main body is provided with multiple anti-sloshing pieces in annular array arrangement;The utility model, when using the anti-fouling osmometer of measuring osmotic pressure, first, the distance between multiple supporting feet is adjusted according to the diameter size of the dropped pipeline, the positioning plate can be pinched by hand, so that the positioning plate is deformed through the second weakened groove, until the arc-shaped tooth plate is disengaged from the bottom of the crown gear ring, so that the rotating disc can be manually rotated outside the fixed cylinder, and the setting of multiple inclined grooves is matched, so that the adjusting block connected by transmission column can be synchronously moved outward or synchronously moved inward, so that the distance between multiple supporting feet can be synchronously adjusted.
Owner:BEIJING YANGONG TECHNOLOGY CO LTD

Low-pressure high-power concentration device and concentration method for plant extract

The invention belongs to the field of plant extracting solution concentration, and discloses a low-pressure high-power concentration device for a plant extracting solution and a concentration method using the low-pressure high-power concentration device. The device is based on a series reverse osmosis membrane stack and a feeding pump, a fresh water collecting tank, a booster pump, three types of pressure sensors, two types of osmometers, a water inlet pressure control system and a one-way valve are additionally arranged, the three types of pressure sensors are used for detecting the pressure of a feeding header pipe, the pressure of concentrated water and the pressure of a fresh water header pipe respectively, and the two types of osmometers are used for detecting the osmotic pressure of the feeding header pipe and the osmotic pressure of the concentrated water respectively. The water inlet pressure control system adjusts the design pressure of the device and the osmotic pressure of the plant extracting solution by adjusting the frequencies of the booster pump and the feeding pump, so that accurate monitoring of parameters is realized, efficient concentration of the plant extracting solution under low pressure is guaranteed, scaling on the surface of a reverse osmosis membrane is delayed, the service life of a membrane stack is prolonged, and continuous production of membrane concentration and filtration is realized.
Owner:HANGZHOU SMARTEM WATER TREATMENT ENG CO LTD

Visual tunnel water inrush simulation test device

The utility model provides a visual tunnel water inrush simulation test device which is characterized in that an inner cavity of a box body is divided into a simulation cavity and a water collection cavity through a filter plate, and a fluid-solid coupling similar material is arranged in the simulation cavity; the water supply module is arranged at one end, corresponding to the simulation cavity, of the box body so as to simulate tunnel water inrush by supplying water to the fluid-solid coupling similar material; the osmotic pressure modules comprise a plurality of osmometers which are distributed in the same plane array, and the plurality of osmotic pressure modules are uniformly distributed in the simulation cavity; the display module is correspondingly connected with the osmotic pressure module through the controller. A fluid-solid coupling similar material is arranged in a box body, water inrush simulation is realized through water supply, a plurality of groups of osmotic pressure modules are arranged in the fluid-solid coupling similar material, and osmotic pressure flow meters in the osmotic pressure modules are distributed in an annular array, so that the internal seepage state of the fluid-solid coupling similar material can be monitored; the display is used for displaying the seepage state of the corresponding area of each seepage pressure module, so that the water inrush catastrophe process is visually reproduced, and the authenticity of the obtained disaster evolution rule is improved.
Owner:CHINA RAILWAY SHISIJU GROUP CORP +1

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

Soil infiltration line measuring device

The utility model discloses a soil body infiltration line measuring device which comprises an embedded frame with an opening at the upper end, grid frames are fixedly arranged on the side faces and the bottom face of the embedded frame, permeable cloth is laid in the embedded frame to form a wrapping space, fine sand is laid at the bottom of the wrapping space, and an osmometer and a cable of the osmometer are further embedded in the fine sand. Coarse sand is further laid in the wrapping space above the fine sand till the upper end opening, the cable upwards penetrates through the fine sand and the coarse sand to be led out from the upper end opening, a plurality of transverse rods transversely extending outwards are further fixedly arranged at the top of the pre-embedded frame, limiting blocks are fixedly arranged at the tail ends of the transverse rods, limiting holes are formed in the limiting blocks, and a steel plate is further arranged above the pre-embedded frame. A plurality of ground nails corresponding to the limiting holes in position are arranged in the steel plate in a sliding and penetrating mode, and the ground nails penetrate through the steel plate and the limiting holes from top to bottom and are inserted into the soil body. The device can simultaneously solve the problems that the osmometer is easy to rework in burying, the burying point of the osmometer is easy to damage and the osmometer is difficult to replace and recycle.
Owner:HAINAN KAIQI SURVEY & DESIGN CONSULTING CO LTD

Automatic soaking device for osmometer

The utility model discloses an automatic soaking device for an osmometer. The device comprises a support, a first fixing plate and a supporting plate, the supporting plate is fixedly arranged on the front end face of the support, the first fixing plate is arranged above the supporting plate in an up-down moving mode, and the first fixing plate is provided with a second driving device enabling the first fixing plate to act; the osmometer body is detachably and fixedly arranged on the supporting plate in a penetrating mode, and the first fixing plate is provided with a pressure sensor used for sensing the osmometer body; the support is further provided with an infrared sensor used for sensing the first fixing plate. The device further comprises a first clamping block and a second clamping block which are used for clamping the osmometer body and located between the first fixing plate and the supporting plate, the second clamping block is arranged at one end of the osmometer body in a left-right moving mode, and the second clamping block is provided with a first air cylinder enabling the second clamping block to act. The first air cylinder is provided with a first driving device for driving the first air cylinder to move up and down; and a third clamping block and a fourth clamping block are further included.
Owner:XIAMEN SHINENG ENVIRONMENTAL PROTECTION TECH CO LTD

Vacuum preloading underground water level test system and test method with liquid differential pressure settlement

The vacuum preloading underground water level testing system comprises a water level pipe with a hole, the water level pipe is vertically arranged in a foundation of a vacuum preloading system to be tested, an osmometer A is installed at the bottom end in the water level pipe, an osmometer B is installed at the top end in the water level pipe, and an osmometer C is installed in a sand cushion layer; a first sealed water tank is fixedly mounted at the top end of the water level pipe and internally provided with an osmometer D; a second sealed water tank is arranged in the sand cushion layer, and an osmometer E is arranged in the second sealed water tank; the two sealed water tanks are communicated through a coiled pipe and are filled with water. Calculating the relative positions of the underground water level line and the three osmometers according to the pressures of the three osmometers A, B and C; the vertical distance between the sand cushion and the water level pipe is obtained according to the pressure measured by the D osmometer and the E osmometer, the elevation of the top end of the water level pipe is obtained by combining the elevation provided by the settlement observation device, and then the elevation of the underground water level line is calculated.
Owner:TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +2

Health diagnosis method based on small reservoir dam safety monitoring system

The invention belongs to the technical field of small reservoir dam safety management evaluation and examination, and particularly relates to a health diagnosis method based on a small reservoir dam safety monitoring system, which constructs a static and dynamic combined quantitative evaluation system, and combines static indexes such as equipment service life and standardized management score to determine the safety of a small reservoir dam. According to the method, dynamic data of real-time operation states (such as voltage, temperature, signal intensity and on-line state) of key equipment such as data acquisition equipment, an osmometer and a GNSS (Global Navigation Satellite System), daily management of the reservoir is considered to a certain extent, and advancement of a reservoir dam safety monitoring technical means is also considered; the calculation method is clear in principle and simple to operate, accords with the actual safety operation management of the small reservoir dam, and achieves the comprehensive and objective evaluation of the management effect of the safety monitoring system of the small reservoir dam.
Owner:ZHEJIANG GUANGCHUAN ENG CONSULTING CO LTD

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

Embedded type vacuum preloading underground water level testing system and testing method

The embedded type vacuum preloading underground water level testing system comprises a water level pipe, the water level pipe is vertically arranged in a foundation of a vacuum preloading system to be tested, the water level pipe is filled with sand, an osmometer A is installed at the bottom end of the interior of the water level pipe, and an osmometer B is installed at the top end of the interior of the water level pipe; installing an osmometer C in the sand cushion layer right above the osmometer B; the settlement observation rod is vertically installed on the pipe wall of the water level pipe, the top of the settlement observation rod upwards penetrates out of the sand cushion layer and the sealing film, the real-time elevation of the water level pipe and the real-time elevation of the sand cushion layer are obtained through the settlement observation rod, and then the elevation of the osmometer C in the sand cushion layer can be obtained. The real-time elevation of the osmometer A and the osmometer B can be obtained according to the fact that the positions of the osmometer A and the osmometer B in the water level pipe 1 are fixed and known; and the elevation of the underground water level line can be calculated by combining the measured relative positions of the underground water level line and the three osmometers of the osmometer A, the osmometer B and the osmometer C.
Owner:TIANJIN PORT ENG INST LTD OF CCCC FIRST HARBOR ENG +2

Dam piping early warning and positioning method based on satellite and osmotic pressure monitoring

The invention particularly relates to a dam piping early warning and positioning method based on satellites and osmotic pressure monitoring. According to the dam piping early warning and positioning method based on satellite and seepage pressure monitoring, satellite image data and seepage pressure data of a dam area are obtained; the data is analyzed after being preprocessed, a correlation model of the settlement amount and the seepage intensity is established, and the distribution and change rule of the seepage pressure in the dam is known; satellite data and osmometer data are fused, an improved D-S evidence theory is adopted to construct a dam seepage monitoring model, and a comprehensive abnormal index is calculated; and when the monitoring data is abnormal, an early warning signal of a corresponding level is sent out. The dam piping early warning and positioning method based on satellite and osmotic pressure monitoring is wide in coverage range, high in monitoring precision and strong in timeliness, can timely identify dam seepage abnormity, realizes efficient monitoring and accurate early warning of dam seepage, and is suitable for seepage monitoring of various dams.
Owner:浪潮智慧城市科技有限公司

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

Method and system for evaluating water sealing performance of underground water-sealed cave depot

The method comprises the following steps: constructing a data set which takes the circumferential average monitoring data of a plurality of water curtain holes near a target vertical osmometer in a construction period as an input feature and takes the circumferential average osmotic pressure data of the target osmometer as an output target; cleaning the data set and creating a sliding time window to generate a training sample; dividing a training set and a test set; an LSTM-KAN prediction model fusing a long short-term memory network (LSTM) and a Coriolgov-Arnod network (KAN) is constructed and trained; and inputting the monitoring data of the water level hole in the operation period and the osmometer osmotic pressure value into the trained LSTM-KAN prediction model to evaluate the water seal performance. By adopting the technical scheme of the invention, the problems of insufficient seepage field characterization precision, lack of quantitative evaluation of water curtain efficiency, insufficient development of a long-term operation and maintenance data driving model and the like in the existing evaluation method for the water sealing performance of the underground water-sealed cave depot are solved.
Owner:CHANGJIANG RIVER SCI RES INST CHANGJIANG WATER RESOURCES COMMISSION

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

A kind of karst area groundwater air pressure monitoring osmometer and installation and use method

The application discloses a kind of for karst area groundwater air pressure monitoring osmometer and installation use method, including osmometer body, osmometer body includes tubular shell, water-permeable seat and steel string being arranged in tubular shell, the water-permeable seat is fixed in tubular shell by inner seal, water-permeable stone is arranged in the front end portion of water-permeable seat in the front end side of tubular shell, diaphragm is arranged in water-permeable seat close to water-permeable stone side and along the direction of rear end of tubular shell, the fixed end of steel string is connected on diaphragm, the free end of steel string is connected with a cable by extending to the axis rear end direction of tubular shell and passing out water-permeable seat, exciting and receiving coil are arranged on the outside of water-permeable seat and the outer periphery of steel string.The application not only can fully reflect the change information of karst groundwater air pressure, better explain the mutation process and reason of karst groundwater air pressure, but also can replace, recycle osmometer sensor at any time, greatly reduce monitoring cost.
Owner:GUANGXI BOSSCO ENVIRONMENTAL PROTECTION TECH CO LTD

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

Device and method for reliability identification and sensitivity test of dam-around seepage hole measured value

The invention provides a dam-around seepage hole measured value reliability identification and sensitivity testing device and method.The device comprises a dam-around seepage hole formed in the ground, a bearing platform is arranged above the dam-around seepage hole, a quantitative water bucket is arranged on the bearing platform, and the quantitative water bucket is communicated with a water injection pipe and a water pumping pipe; the water injection pipe and the water pumping pipe are communicated into the dam-surrounding seepage hole, a water pump is arranged on the water pumping pipe, and control valves are arranged on the water injection pipe and the water pumping pipe; and a temperature control piece for controlling the water temperature in the quantified water bucket is arranged in the quantified water bucket. According to the invention, by arranging the quantitative water bucket, the water injection pipe and the water pumping pipe, the water level in the dam-surrounding seepage hole is freely controlled when the osmometer is detected, and the water temperature in the dam-surrounding seepage hole can be controlled through the temperature control piece, so that the detection of the osmometer under different working conditions is simulated; by comparing the actual water level change value with the water level change value measured and read by the osmometer in the dam-surrounding seepage hole, the reliability identification and sensitivity test of the measured value can be realized.
Owner:HUANENG LONGKAIKOU HYDROPOWER CO LTD

Water seepage detection assembly for water conservancy supervision

The utility model relates to the field of water seepage detection equipment, and discloses a water seepage detection assembly for water conservancy supervision, which comprises an osmometer, a detection probe is mounted at the bottom of the osmometer, a protection assembly is arranged on the periphery of one end, close to the detection probe, of the osmometer, and mounting assemblies are arranged on the left side and the right side in the protection assembly. The protection assembly comprises a protection pipe, the protection pipe is slidably connected to the periphery of the osmometer, a plurality of uniformly distributed protection plates are slidably connected to the periphery of the protection pipe, two connecting blocks are movably connected to the sides, close to the protection pipe, of the protection plates, and rotating rods are rotatably connected to the interiors of the two connecting blocks. According to the utility model, through a series of cooperative work of the protection assembly and the limiting assembly, the protection tube and the protection plate can protect the osmometer, so that the end part of the osmometer is effectively prevented from being damaged due to excessive extrusion when the osmometer is inserted into soil.
Owner:LINYI CONSTR ENG SUPERVISION CONSULTING 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

An osmometer protection device, method of manufacture, and method of use

The application provides a protection device, a manufacturing method and a use method of an osmometer, the protection device of the osmometer comprises an outer protection shell, an outer protection shell bottom plate and a reverse filtration structure layer, the outer protection shell is provided in a conical or gyro shape, the outer protection shell bottom plate is fixedly connected with the outer protection shell, the reverse filtration structure layer is arranged in a space formed by the outer protection shell bottom plate and the outer protection shell, and the osmometer is arranged in the reverse filtration structure layer. The protection device, the manufacturing method and the use method of the osmometer are characterized in that the outer protection shell is provided in a conical or gyro shape, the angle of the bottom sharp corner is 60-90 degrees, the adhesion of the soil on the outer protection shell can be reduced, the bottom sharp corner is easier to enter the soil, the soil breaking effect generated by the bottom sharp corner is beneficial to reduce the extrusion of the soil on the outer protection shell, the osmometer is effectively protected from the extrusion of external force, and the osmometer will not be deformed and fail due to the extrusion.
Owner:CCCC THIRD HARBOR ENGINEERING CO LTD +1

Edge-computing-based vibrating string osmometer intelligent monitoring method and osmometer

PendingCN122631276ATime domainAnomaly detection
The application discloses a kind of based on edge computing's vibrating string type osmometer intelligent monitoring method and osmometer, method includes: after obtaining pre-configured calibration parameter, historical sequence and real-time frequency and resistance signal, it is converted into osmotic pressure and temperature value.By utilizing historical observation sequence to execute dynamic decoupling analysis with heat conduction time delay compensation, the pure pressure change component of stripping lag temperature effect is extracted.The trend deviation degree of osmotic pressure in time domain and the abnormal probability of pure pressure change component in physical domain are respectively evaluated, and the comprehensive abnormal score is obtained by weighted fusion to determine the measured value state.Adjust signal acquisition cycle, or trigger active secondary confirmation mechanism for suspicious state to verify authenticity.Reduces the interference of heat conduction lag and hydrology normal trend on anomaly detection, realizes edge autonomous anomaly identification and dynamic power consumption control, improves the robustness and early warning accuracy of monitoring system under complex working conditions.
Owner:NANJING HYDRAULIC RES INST +1

Mounting structure of osmometer for sluice safety monitoring

The utility model discloses a mounting structure of an osmometer for water gate safety monitoring, which comprises an osmometer body and a protective sleeve, a cover plate is fixed at the top of the protective sleeve, a connecting line of the osmometer body penetrates through a hole on the cover plate, and a locking mechanism is fixed on the cover plate; the locking mechanism comprises a threaded head fixed to the cover plate, a hole allowing a connecting line to penetrate through is formed in the threaded head, a plurality of extrusion strips are fixed to the top of the threaded head at equal intervals, the outer wall of the threaded head is in threaded connection with a threaded cap, the outer wall of each extrusion strip is obliquely thickened, and the outer wall of each extrusion strip is in threaded connection with the threaded cap. And a mounting opening is formed in the bottom of the outer wall of the threaded head, connecting arms are fixed to the two sides of the inner wall of the mounting opening through torsional springs, and the same pressing roller is rotationally connected to the bottom between the two connecting arms. According to the utility model, the osmometer can be protected, the connecting line can be locked, and the use is convenient.
Owner:SHENZHEN HONGHEDA ELECTRONICS CO LTD

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