47 results about "Osmometer" patented technology

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.

The invention discloses an osmometer for safety monitoring of a reservoir dam, which relates to the technical field of safety monitoring, and comprises an outer shell for providing a protection effect, a water seepage hole arranged at the end part of the outer shell, a diaphragm for detecting and judging water pressure, and an electromagnetic coil for detecting the vibration frequency of a steel wire connected with the diaphragm, and the tension adjusting mechanism is used for detecting and adjusting the tension of the steel string in real time so as to ensure the detection accuracy. According to the scheme, the tension adjusting mechanism is additionally arranged at the tail end of the steel string, the tension of the steel string can be detected in real time, when the tension of the steel string is externally influenced or changes, the tension of the steel string can be adjusted in real time, the stability of the steel string in the later use process is guaranteed, and the service life of the steel string is prolonged. Secondly, in consideration of the basic principle when the steel string is used for detection, fixation and movement of the tail end need to be considered, real-time adjustment and fixation of the steel string are synchronously guaranteed according to actual requirements, and therefore it is guaranteed that the steel string can work correctly.

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.

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.

The utility model discloses a tailing pond dam body safety monitoring device which comprises an osmometer and a cable, the cable is connected to the osmometer, a first fixing plate and a second fixing plate are fastened outside the osmometer, the first fixing plate and the second fixing plate are arranged in a half-and-half mode, the first fixing plate is fixed on the outer side face of the osmometer, and the second fixing plate is fixed on the outer side face of the osmometer. The second fixing plate is fixed to the outer side wall, close to the top of the osmometer, of the cable. The utility model belongs to the technical field of tailing pond monitoring, and particularly relates to a tailing pond dam body safety monitoring device.

The utility model discloses a multi-section civil engineering safety monitoring instrument embedding and fixing device, which relates to the field of civil engineering monitoring and comprises an embedding cylinder, one end of the embedding cylinder is plugged, the other end of the embedding cylinder is opened and is matched with a cylinder cover, an inner cavity is formed in the embedding cylinder, water seepage holes are formed in the outer circumferential wall of the embedding cylinder, and a sponge plate is attached to the inner wall of the inner cavity. In order to solve the problem that the burying depth of an osmometer is difficult to control during multi-section civil engineering construction at present, a gauze bag is filled with fine sand, the osmometer is buried, the gauze bag is connected with a lifting rope to be mounted in an inner cavity, and when and after the inner cavity is filled with coarse sand, the position of the gauze bag can be changed by pulling the lifting rope, so that the osmometer can be conveniently and quickly buried. The position of the osmometer is adjusted, the burying depth of the osmometer is controlled, and the lifting rope is locked through the locking piece, so that the position of the gauze bag is kept, it is guaranteed that the osmometer is located at the needed position, and the adjustment requirement of engineering is met.

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.

The present invention discloses an osmometer fixing device and its using method, which includes an osmometer chamber and an accessory chamber. The accessory chamber is fixedly arranged on one side of the osmometer chamber. A driving device is fixedly arranged in the accessory chamber. A permeable stone is fixedly arranged in the osmometer chamber. An osmometer is fixedly arranged on one side of the permeable stone. A push-pull cover plate is arranged on the other side of the permeable stone. One side of the push-pull cover plate extends into the accessory chamber through the side wall of the osmometer chamber and is connected to the output end of the driving device. The driving device, the top plate and the push-pull cover plate are added. The top plate and the push-pull cover plate can protect the permeable stone to avoid the pores in the permeable stone being blocked by cement slurry. And water permeable holes are arranged on the top plate. The rubber plug in the water permeable holes is pulled out by driving the push-pull cover plate to move by the driving mechanism, so that the device can work normally. The welding of the fixing device steel reinforcement cage can improve the positioning accuracy and avoid the damage of the osmometer during the concrete pouring process, and improve the survival rate.

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.

The utility model relates to the technical field of soft soil stratum pore water pressure and underground water level testing, and particularly discloses a soft soil stratum pore water pressure and underground water level combined testing device which comprises a water level pipe, a plurality of water permeable holes are formed in the middle of the water level pipe, and a filter screen ring is arranged on the outer side of the water level pipe and used for filtering the water permeable holes. The outer side of the water level pipe is fixedly connected with an osmometer; and the osmometer is bound on the water level pipe through a binding belt. The device has the beneficial effects that the osmometer is fixed on the outer side of the water level pipe, and the osmometer and the water level pipe are inserted into the hole, so that the pore water pressure and the underground water level can be measured in one hole; the device can monitor the pore water pressure of a single hole at different depths and multiple points, also can obtain the dynamic change of the underground water level corresponding to the measuring hole, and improves the reliability of monitoring data through mutual verification.

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.

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.

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.

The utility model provides a dam uplift pressure monitoring device which comprises a pipe orifice device and a pressure measuring pipe which are connected up and down, and the pipe orifice device is composed of an upper half part and a lower half part which are communicated up and down; the upper half part is composed of a vertical pipe and a transverse pipe, the upper end of the vertical pipe is provided with a liquid level pipe connector and an osmometer cable outlet, an osmometer is arranged in the vertical pipe, the inner end of the transverse pipe is communicated with the side face of the vertical pipe, the outer end of the transverse pipe is a pressure meter connector, the lower half part is in threaded connection with the upper end of the pressure measuring pipe, the connecting position is wrapped with a raw material belt, and connector water stop sealing is conducted; the liquid level pipe connector is connected with the lower end of the liquid level pipe, a cable of the osmometer is led out of the osmometer cable outlet, and the pressure meter connector is provided with a pressure meter. The dam uplift pressure detection device has the beneficial effects that the structure is ingenious, the dam uplift pressure can be monitored, and the detection device can be calibrated, so that the accuracy of actual monitoring is effectively improved.

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.

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.

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.

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.

The invention provides a method for rapidly measuring a swelling pressure loss point of a root system. The method specifically comprises the following steps: step 1, mixing and soaking the root system of a target plant to be measured with water; step 2, removing epidermis impurities, wiping epidermis moisture, sealing a root system, and freezing with liquid nitrogen for more than 2 minutes; step 3, grinding, filtering, collecting filtrate, putting the filtrate into a steam osmometer, detecting the permeate concentration of the filtrate, and converting the permeate concentration into saturated osmotic potential to obtain a root system swelling pressure loss point; according to the method, the fine root with the absorption function at the tail end serves as a main measuring unit, compared with a traditional P-V curve method, the root system with the absorption function can be more accurately measured, and therefore the potential influence of the root system with the non-absorption function on data accuracy is avoided to the maximum extent.

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.

The embodiment of the invention provides an earth and rockfill dam safety monitoring system, which comprises an external deformation monitoring unit, and the external deformation monitoring unit comprises a pull rope displacement sensor and a level gauge which are respectively used for monitoring the horizontal displacement and the vertical displacement of an earth and rockfill dam; the internal deformation monitoring unit comprises an inclinometer, and the inclinometer is installed in a dam body of the earth and rockfill dam and used for monitoring internal deformation of the earth and rockfill dam; the crack monitoring unit comprises crack sensors which are arranged at the joints and cracks of the earth and rockfill dam; the seepage monitoring unit comprises an osmometer, and the osmometer is arranged in the dam body of the earth and rockfill dam and used for measuring the pore water pressure of the earth and rockfill dam; the analysis unit is connected with the external deformation monitoring unit, the internal deformation monitoring unit, the crack monitoring unit and the seepage monitoring unit and used for comparing data collected by the monitoring units with a reference value, and the early warning unit is used for giving an alarm when the data deviates from the reference value.

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.

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.

The utility model provides a test device for simulating deformation of a reinforced dam body under water level rise and fall. The testing device comprises a model groove, a dam body model installed in the model groove, a water circulation module and a measuring module, the dam body model comprises a soil body and an anti-seepage wall arranged in the soil body, the two sides of the soil body and the two sides of the anti-seepage wall abut against the model groove in a seamless mode, the soil body is divided into a first soil body and a second soil body through the anti-seepage wall, and the first soil body and the second soil body are connected through the water circulation module. The containing space of the model groove is divided into an upstream space and a downstream space by the diaphragm wall, and the water circulation module is communicated with the upstream space; the measuring module comprises a plurality of displacement sensors mounted on the surface of the soil body, a plurality of osmometers and a plurality of soil pressure sensors which are mounted in the soil body, at least one settlement scale group and at least one pressure measuring tube group which are arranged in the soil body, and a plurality of total stations arranged outside the model tank. The test device provided by the utility model can be applied to the simulation of the deformation of the reinforced dam body with the diaphragm wall, and has the advantage of accurate simulation result.

1. The name of this design product: Osmometer Calibrator. 2. Purpose of this design product: used for testing and calibration of piezometers. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

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.

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.

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.

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.

The invention relates to the technical field of optical fiber sensing, in particular to an optical fiber grating osmometer which comprises a water permeable module, a sensing module, a packaging module and a signal transmission module. The sensing module comprises a diaphragm close to one end of the water permeable module, a machine core shell connected with the diaphragm, and a machine core frame, a machine core, a pressure sensing fiber bragg grating and a temperature sensing fiber bragg grating which are arranged in the machine core shell; the machine core frame is fixedly connected with the diaphragm; the movement comprises an elastic carrier used for bearing the pressure sensing fiber grating, one end, close to the diaphragm, of the elastic carrier is connected with a first connecting piece, the first connecting piece is fixedly connected with the movement frame, one end, away from the diaphragm, of the elastic carrier is connected with a second connecting piece, and one end, close to the diaphragm, of the second connecting piece is fixedly connected with the diaphragm; the pressure sensing fiber bragg grating is located on a center shaft of the movement, and when the diaphragm is pressed, the elastic carrier drives the pressure sensing fiber bragg grating to generate stretching deformation in the axial direction of the movement. The fiber bragg grating osmometer solves the problem that the traditional fiber bragg grating osmometer is easy to generate null drift, and improves the precision and reliability of the product.