114 results about "Osmometer" patented technology

A medical diagnostic method utilizes a surface plasmon resonance apparatus provided with a sensing surface. A tear sample from an eye of a patient is placed into contact with the sensing surface. The surface plasmon resonance apparatus is then operated to determine osmolarity of the tear sample.

The invention provides a test device and a test method capable of simulating water pressure in a tunnel. The test device comprises a load loading mechanism, a monitoring system and a counter-force mechanism. The load loading mechanism comprises a plurality of flexible cells and a liquid filling pump, wherein every two adjacent flexible cells are communicated with each other to form a closed structure body fitting a lining ring section, and a liquid filling pipe on one of the flexible cells is connected with a liquid outlet of the liquid filling pump. The monitoring system comprises stressometers, steel bar meters, fiber grating sensors, multi-point displacement indicators, osmometers and joint meters, wherein the stressometers and the steel bar meters are embedded into a lining, the fiber grating sensors are arranged on the inner and outer surfaces of the lining, the multi-point displacement indicators, the osmometers and the joint meters are embedded into a surrounding rock, and the signal output end of each sensor is connected with a data acquisition unit. The counter-force mechanism comprises a counter-force H-steel piece and a counter-force supporting piece which are fixedly connected with each other, one side of each flexible cell is arranged correspondingly to the lining ring section, and the counter-force supporting piece supports the other side of each flexible cell. The test device is capable of simulating detection of the concrete lining construction quality and prestress applying effect during operation of the tunnel filled with water.

The invention discloses a large-scale piping testing apparatus capable of simulating overburden pressure of soil, which comprises a test tank, a variable head water tank, a water inlet pipe, a plurality of osmometers, a water outlet pipe and a turbidity meter. The test tank is divided into an upstream buffer area, a test sample area and a downstream buffer area by an upstream porous board and a downstream porous board, wherein a test sample is disposed in the test sample area. The variable head water tank is connected with a water inlet of the upstream buffer area of the test tank through the water inlet pipe. The osmometers are disposed in the test sample as required. The water outlet pipe is disposed at a water outlet of the downstream buffer area, and the turbidity meter is disposed on the water outlet pipe. A steel backing plate capable of sliding up and down is disposed on the upper surface of the test sample. A safety air bag is arranged above the steel backing plate and connected with a pressure source through a pipeline, and a pressure regulating valve is disposed on the pipeline. The large-scale piping testing apparatus integrating the advantages of existing piping testing apparatuses is capable of truly simulating the process of piping development of a large-scale test sample bearing overburden pressure under the coupling action of seepage stress.

The invention discloses a complicated jointed rock mass hydraulic coupling field tri-axial testing system. The complicated jointed rock mass hydraulic coupling field tri-axial testing system comprises a water-tight test cabin, a tri-axial stress loading system, a water pressure loading system, a drainage system and a measurement system, wherein the tri-axial stress loading system comprises a water-permeable steel plate, a force transfer steel plate, a jack, a hydraulic pipeline and a pressure controller, wherein the water pressure loading system comprises a high-pressure water pump and a pressure water pipeline, the drainage system comprises a water-permeable base and a drainage pipeline, and the measurement system comprises an osmometer, a flow meter, a strain meter, a sound wave transducer, a data line and a computer. The complicated jointed rock mass hydraulic coupling field tri-axial testing system can provide an effective and reliable research means for research of an engineering rock mass hydraulic coupling mechanism.

The invention discloses a water-seal effect measuring and control device of a water-seal underground oil storage cavern, and the device comprises a data acquisition instrument and a drilled hole which is formed above the arch-shaped top of the oil storage cavern; the bottom of the drilled hole is a 50mm to 100mm distance from the arch-shaped top of the cavern; the drilled hole is provided with device layers embedded with saturated osmometer components and unsaturated pressure testing sensors every 3m to 5m upwards from the bottom, and the adjacent device layers are blocked by a micro expansion low-permeability material; the saturated osmometer components and the unsaturated pressure testing sensors are respectively connected with the data acquisition instrument through respective leads which penetrate through the micro expansion low-permeability materials; and the data acquisition instrument sends a measuring signal to a computer of a monitoring center through a data sending unit. According to the water-seal effect measuring and control device of the water-seal underground oil storage cavern, the design is reasonable, the structure is simple, the operation is convenient, and the reliability is high.

The invention discloses an inclination measuring hole osmometer device and an installation method. The inclination measuring hole osmometer device is provided with a borehole; an inclination measuring pipe, a water seepage plate, a flower hole pipe and an inclination measuring pipe standard bottom cover; the water seepage plate is installed between the bottom part of the inclination measuring pipe and the top part of the flower hole pipe, and is used for separating the inclination measuring pipe and the flower hole pipe; an osmometer is installed in the flower hole pipe; the bottom part of the flower hole pipe is provided with the inclination measuring pipe standard bottom cover. According to the device and the method, an inclination measuring pipe hole and a groundwater level pipe hole (a pressure measuring pipe hole) are combined by the borehole into one; not only can the deep horizontal displacement of the borehole be monitored, but also the groundwater level and the osmotic pressure can also be monitored; therefore the monitoring on the inclination measuring pipe hole and the pressure measuring pipe hole through the same pipe hole is realized.

The invention relates to a pull-rod fiber bragg grating osmometer, comprising a housing. Two ends of the housing are respectively provided with an end cover with holes, a pressure membrane is arranged between one end in the housing and the end cover, the inner wall of the housing is provided with a grating support frame, and a pressure guide rod is arranged in the housing; one end of the pressure guide rod is cohered to the pressure membrane, and the other end thereof is fixedly connected with one end of a pressure measuring grating; the other end of the pressure measuring grating is fixed on the grating support frame; the grating support frame is provided with a temperature compensation grating; the other end of the temperature compensation grating is in a free state; and the pressure measuring grating and the temperature compensation grating are both led out from the holes of the end cover arranged on one end of the housing via optical fiber. Based on all-optical signal design, the invention has no electronic devices, has favourable water-proof performance, has no electric spark hidden danger and has the function of anti-electromagnetic interference. By adopting corrugated membranes and two pressure measuring gratings, the invention improves measuring precision and measuring reliability. The invention is convenient for networking, and can realize quasi-distributed real-time monitoring.

The invention provides a method and a system for automatically monitoring vertical displacement of an oil and gas pipeline in the frozen soil region. The method is characterized in that a long-time stable monitoring reference point is arranged outside a pipe trench; a plurality of monitoring points are arranged on a pipe body; osmometers are fixed in the reference point and the monitoring points on the pipe body and are connected to a liquid tank by a liquid communicating pipe; the osmometer fixed in the reference point is used for measuring the liquid pressure in the position of the osmometer fixed at the reference point, the osmometers in the monitoring points are used for measuring the liquid pressure of the elevations on which the osmometers in the monitoring points are located and the elevation differences between the reference point and the monitoring points are calculated; when a pipeline sinks or uplifts, the new elevation differences are calculated by measuring the liquid pressure, thus calculating pipe elevation variation; and pipeline elevation variation in each monitoring point can be obtained by periodically measuring the liquid pressure in the reference point and each monitoring point by the osmometers. The method and the system are suitable for large-range automatic monitoring of vertical displacement of the oil and gas pipeline in the frozen soil region in large-fall regions.

The invention discloses an underground water level and deep-seated displacement same-hole monitoring device, and relates to the technical field of geological monitoring.The device comprises an inclinometer pipe, an osmometer and an inclinometer, the osmometer is connected with a surficial reading device through a cable, and the osmometer can move up and down in the inclinometer pipe through ropes; the inclinometer can move along the inclinometer pipe to measure the offset distance of the inclinometer pipe.The inclinometer pipe is downwards put at the bottom of a drilled inclinometer hole, the osmometer is connected with the cable and then downwards put at the bottom of an osmosis pipe through the ropes, the other end of the cable is reserved at a hole opening of the inclinometer hole and connected with the reading device, and the underground water level can be read; the inclinometer can monitor deep-seated displacement data along the inclinometer pipe point by point.The underground water level and deep-seated displacement same-hole monitoring device has the advantages of being simple and compact in structure and capable of achieving same-hole monitoring of the underground water level and deep-seated displacement, the engineering cost for drilling holes is reduced, and the monitoring efficiency is improved.

The invention relates to an osmotic pressure measuring device for a high water pressure test system. The device comprises that: an osmotic pressure hole is formed in rock mass; one end of a seamless steel tube stretches into the bottom of the osmotic pressure hole; an osmometer is fixed at the bottom of the seamless steel tube; an osmometer cable passes through the seamless steel tube and stretches out of the osmotic pressure hole; an osmometer cable leading-out end of the seamless steel tube is blocked by an epoxy resin plug; one end of the seamless steel tube, which fixes the osmometer, is provided with a floral tube section; the outer side of the seamless steel tube above the floral tube section is provided with a rubber clapboard; a water stop kelp is bound on the rubber clapboard; an injection pipe is arranged in the osmotic pressure hole and stretches into the water stop kelp; a position above the water stop kelp of the osmotic pressure hole is blocked by a pure expanding cement block section; a position near the orifice of the osmotic pressure hole is blocked by a cement mortar plug; and an exhaust pipe is also arranged in the osmotic pressure hole and stretches into the pure expanding cement block section. The device has the advantages of simple structure, convenient operation and capability of effectively ensuring the reliability of a measuring element.

A device for measuring the pore water pressure in frozen soil comprises a temperature control box, experimental tanks and an osmometer, wherein the experimental tanks are arranged between a base and a fixing plate, the base and the fixing plate are connected by a fixing member, the top of the experimental tanks is provided with a pressurization head, the upper end of the pressurization head is provided with a pressurization rod and the lower end of the pressurization head is provided with permeable stones, a frozen soil sample is arranged between the base and the permeable stones, and sealing rings are arranged between the experimental tanks and between the experimental tanks and the base. Layered experimental tanks are adopted in the device so that the pressure of pore water in different soil samples and at different heights can be measured in real time. An adopted micro probe is placed in a soil body, pressure in frozen soil is transmitted out of the soil body through a low-temperature nonfreezing pressure transmission medium, and a traditional method in which the pore water pressure is measured on the surface of the soil body is replaced. Therefore, change of the pore water pressure can be measured without the need for the soil body to discharge water. In addition, as the probe is embedded in a cut, the micro probe cannot be damaged due to great deformation of the soil sample, and the problem that the pore water pressure cannot be measured in frozen soil due to the fact that water is frozen after oozing out of the surface of the soil body is solved.

The invention provides a system for automatically monitoring vertical displacement of an oil and gas pipeline in the frozen soil region. The system is characterized in that a pipeline (4) is embedded in a mobile layer (3) under a ground (2); a plurality of monitoring points or monitoring sections for installing pipe clamps (5) respectively provided with one osmometer I (6) are arranged on the pipeline (4); the osmometers I (6) are connected with a liquid tank (15) by a liquid communicating pipe (7) and is connected with a data acquisition unit (13) by an osmometer data line (11); a data remote transmission device (12) is used for transmitting data to a data remote transmission device (19) located indoors (21) in real time via a cell phone signal GPRS (general packet radio service) (17) ora satellite (18), and the output of the data remote transmission device (19) is connected with a data processing server (20); a long-time stable reference point of a reference peg (8) is arranged in a stability region near the pipeline (4); and an osmometer II (9) is installed on the reference peg (8). The system is suitable for large-range automatic monitoring of vertical displacement of the oiland gas pipeline in the frozen soil region in large-fall regions.

The invention discloses an on-line monitoring method of the dry beach length of a tailing pond. The method includes the steps that firstly, a certain number of osmometers are sequentially arranged on a dry beach surface of the tailing pond so as to acquire a real-time seepage line; secondly, after the arrangement position of each measuring point is determined, the three-dimensional coordinates of the position where the measuring point is located are measured; thirdly, a corresponding pond length-dam height coordinate system is established according to the relative position of the dry beach surface and a dam body; fourthly, each measuring point is fitted into the established corresponding system according to the measured three-dimensional coordinates of the measuring point, and the needed dry beach length is worked out. The method can be applied to dry beach surfaces with different shapes, improve the monitoring accuracy of the dry beach length, and reduce the probability of a system to be struck by lightning, thereby improving the lightning protection reliability of the system.

The invention provides a rock-soil body water pressure testing device. The rock-soil body water pressure testing device comprises a water stopping plug, a water supplying device and a measuring device, wherein the water supplying device comprises a containing water tank; the water stopping plug is used for blocking one section of a water pressure testing drilling hole to form a water pressure testing section; the measuring device comprises an osmometer which is fixedly mounted at the water pressure testing section and is used for measuring pressure of the testing section, an osmometer which is mounted in the containing water tank and is used for measuring flow, and a water pressure testing real-time monitoring device; a cable of the osmometer for measuring the pressure of the testing section is led out from a rubber plug reserved steel pipe water outlet hole arranged in the water pressure testing section and is connected with the water pressure testing real-time monitoring device; a cable of the osmometer for measuring the flow is led out from the containing water tank and is connected with the water pressure testing real-time monitoring device. The rock-soil body water pressure testing device can be used for accurately monitoring the pressure of the testing section and water supply flow, so that the seepage property of a rock-soil body can be accurately evaluated.

The invention provides a testing device for an osmotic gradient of an anisotropic rock mass, comprising a concrete bottom plate and a water pressing hole, wherein a plug is arranged between the water pressing hole and the bottom plate; an osmotic pressure hole is distributed at the periphery of the water pressing hole in an annular direction; an osmometer is arranged at the bottom of the osmotic pressure hole; a curtain grouting hole is distributed at the periphery of the osmotic pressure hole. The invention further provides a testing method for the osmotic gradient of the anisotropic rock mass, comprising the following steps: selecting a testing site; arranging the site; carrying out drilling construction; burying the osmometer; carrying out a water pressing test and calculating a result. The disadvantage that a previous single-hole water pressing test is limited to an isotropic rock mass is overcome; meanwhile, the disadvantage of carrying out a regional large-range water pressing test is also avoided, and technical difficulties and testing cost are reduced.

The invention aims to provide an early warning system for a geological disaster of landslide and an early warning method thereof. The system is formed by multiple monitoring units and an early warningunit and is characterized in that the multiple monitoring units are in communication connection with the early warning unit, and the monitoring units are spaced apart to form a monitoring network. Amethod of the gridded deployment of the monitoring units is adopted by landslide warning, the influence of the abnormal data of a single monitoring unit can be shielded, an osmometer is creatively introduced to monitor the water seepage inside rock and soil, the possibility of a landslide is assessed with the combination of the change of an inclination angle and water seepage, and the accuracy ofearly warning is improved.

The invention relates to a method for monitoring the external water pressure of a lining. The method comprises the following steps of: 1) determining a water pressure monitoring area and a section according to the water leakage condition of an operating tunnel and the underground water distribution condition in a construction period; 2) determining the position of a water pressure monitoring point, and determining the arrangement position of the monitoring point and the size of a fiber grating osmometer device; 3) drilling at the arrangement position of the monitoring point by adopting a drilling device, and controlling a drill bit to be immersed into a rock-soil body outside the lining according to the thickness of the lining and the size of a drill rod; and 4) installing the fiber grating osmometer device, connecting an osmometer optical fiber lead with an acquisition instrument, and recording the external water pressure value after the acquired external water pressure value is stable, thereby completing monitoring of the external water pressure of the lining. Compared with the prior art, the method disclosed by the invention has the advantages that the monitoring point is reasonably arranged, the influence on the structural stress bearing is small, pre-embedded instruments are not needed, the structural waterproof performance is not influenced by triple sealing, the monitoring precision is high, and the like.

The invention discloses a side slope monitoring and early warning system comprising a communication module, a declinator, an osmometer, a soil hygrometer and a time-domain reflectometer which are arranged on a side slope body, wherein the declinator, the osmometer, the soil hygrometer and the time-domain reflectometer are respectively connected with the communication module; and a displayer which is wirelessly connected with the communication module. According to the side slope monitoring and early warning system, the side slope body is omnibearingly monitored via the declinator, the osmometer, the soil hygrometer and the time-domain reflectometer, and data are transmitted to the displayer to be displayed via the communication module so that an objective of omnibearing side slope information real-time feedback and early warning can be achieved.

The present invention aims at overcoming the problems that poor stability, poor sealing effect and affected osmometer precision can be caused by adoption of a waterproof glue for sealing a fiber grating osmometer in the prior art, and provides a non-glue mechanical sealing structure of a fiber grating osmometer. The non-glue mechanical sealing structure is characterized in that the traditional waterproof glue is replaced by nylon tubes, pressure-resistant fast screwed joints and a heat shrinkable tube for sealing the fiber grating osmometer, and a support effect is achieved through a metal support tube. Due to special material thereof, the nylon tube can be resistant to 10Mpa pressure without serious deformation, thus the nylon tube is used as a protection sleeve of an optical fiber; the pressure-resistant fast screwed joint can achieve the sealing effect by extruding the nylon tube; the heat shrinkable tube is used for butt joint of an optical cable and the nylon tube, and achieves firm and reliable effects; and a hydraulic tong is used for extruding the metal support tube to achieve the sealing effect. The non-glue mechanical sealing structure of the present invention can solve the defects of poor long-term stability, and small pressure-resistant range of the sealing mode of a current sealant.

The invention discloses an impact osmometer, belonging to the technical field of a test instrument. An osmotic pressure chamber consists of an osmotic ring cutter, a permeable stone, a water inlet pipe, a water outlet pipe, an open base, an open lower cover and an open upper cover; the water inlet pipe is connected with the upper part of the osmotic pressure chamber, and the water outlet pipe is connected with the lower part of the osmotic pressure chamber; the lower part of the osmotic pressure chamber is connected with the open lower cover, and the upper part of the osmotic pressure chamber is connected with the open upper cover; a piezometer wire and a data collection line can pass through the open base and the open lower cover, a rubber ring pad is connected with the open lower cover, a pore water pressure gauge is arranged in the rubber ring pad, the permeable stone is circular, a circle is formed in the middle of the permeable stone which is connected with the lower part of the osmotic pressure chamber, and another circle is formed in the middle of the open upper cover; an impact load applying device consists of a first circular steel plate and a second circular steel plate, the first circular steel plate is welded with a reinforcing rib, and a pounder is connected with a rubber pad; and a piezometer wire and a data collection line are connected with a dynamic strain meter and are connected with output equipment which is connected with a computer. The impact osmometer is a testing tool for researching and testing the static and dynamic osmotic property of a soil body.