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172 results about "Pressure monitors" patented technology
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Control system of solid hydrogen storage device
The invention relates to the technical field of hydrogen energy, in particular to a control system of a solid hydrogen storage device. The hydrogen amount monitoring module comprises a flow meter, accumulates the hydrogen amount in the hydrogen charging and / or hydrogen discharging process through the flow meter, and controls starting and stopping of the hydrogen charging and / or hydrogen discharging process; the pressure monitoring and regulating module comprises a pressure sensor and a pressure regulator, and the pressure regulator is used for regulating the pressure in the hydrogen charging and / or hydrogen discharging process according to the pressure monitored by the pressure sensor; and the heat management module is used for providing heat required by hydrogen desorption for the hydrogen storage container. The hydrogen charging and discharging processes of the solid hydrogen storage device are controlled through cooperation of the hydrogen amount monitoring module, the pressure monitoring and adjusting module and the heat management module, so that the hydrogen charging and discharging processes are more efficient and intelligent, and a hydrogen pipeline is timely closed to stop the hydrogen charging / discharging process from hydrogen leakage and hydrogen charging / discharging pressure through the safety monitoring module. And the safety of the solid hydrogen storage device is improved.
Owner:XIAMEN SHENGYUAN GREEN ENERGY CO LTD
Uncoiler with protective structure
Owner:XIANGYANG XINSHENG HOME BUILDING MATERIALS CO LTD
Wireless pressure monitor for negative pressure treatment systems
PCT designated stageWO2026104909A1Fluid pressure measurement by electric/magnetic elementsMedical devicesMedicineData transmission
A wireless pressure sensor device for placement in a tissue site being treated with negative pressure wound therapy. The sensor monitors pressure at the tissue site and transmits data to a pump unit via a wireless connection, where it is used to control the delivery of negative pressure. The pressure sensor device may comprise a pressure sensor to measure the pressure in the interior of the pressure sensor device, and a second pressure sensor to measure a gauge pressure between the interior and exterior of the pressure sensor device.
Owner:SOLVENTUM INTELLECTUAL PROPERTIES CO
Energy conversion device of new energy elevator
An energy conversion device of a new energy elevator comprises a control device, a fixed base, a movable base arranged on the fixed base in a guiding fit mode, a pressing disc capable of moving along with the movable base, a generator installed on the movable base and a driving unit used for driving the movable base to move, and the driving unit is connected and controlled by a controller of the control device. The driving unit is electrically connected with a controller of the control device, the fixed base is provided with a monitoring base corresponding to the stroke final position of the movable base, the monitoring base is provided with a pressure sensor, and the pressure sensor is electrically connected with the controller of the control device. One end of the moving seat is provided with a pressure applying part used for cooperating with the detection end of the pressure sensor to carry out pressure monitoring. When the pressure monitored by the pressure sensor is larger than the preset pressure value, the controller stops the driving unit, the moving seat is made to stay at the current position, the pressure between the pressing disc and the flywheel is kept at the current value, in this way, the pressing disc and the flywheel are effectively prevented from being damaged, and therefore the service life of the energy conversion device is guaranteed.
Owner:SIGLEN ELEVATOR CHINA CO LTD
Articles and methods for balloon angioplasty
Provided herein is an angioplasty balloon inflation device. The angioplasty balloon inflation device includes a processor; a pressure sensor coupled to the processor; a motor coupled to the processor; and an inflation element including a first end coupled to the motor and a second end configured for coupling to an angioplasty balloon. The motor is configured to adjust the pressure in the angioplasty balloon through the inflation element, the pressure sensor is configured to monitor pressure in the angioplasty balloon, and the processor is configured to control the motor based upon the pressure monitored by the pressure sensor. Also provided herein is a method of performing percutaneous transluminal balloon angioplasty (PTA) using the device.
Owner:DREXEL UNIV
Real-time intelligent pressure monitoring scar diagnosis and treatment device and system
The invention relates to a real-time intelligent pressure monitoring scar diagnosis and treatment device and system. The device comprises a pressure generation device, a rigid structure matched with the pressure generation device in shape and a flexible touch sensor located in the rigid structure. The inner layer of the flexible touch sensor is provided with a flexible conductive contact array, and the outer layer of the flexible touch sensor is provided with a flexible integrated electrode array. According to the device, the local pressure borne by the pathological scar is accurately measured at the micro-nano scale, adjustment can be carried out in real time according to the stress condition, treatment of the pathological scar is facilitated, pressure research on the pathological scar is also facilitated, the pathogenesis of the pathological scar is clarified, and the device has good application prospects.
Owner:RUIJIN HOSPITAL AFFILIATED TO SHANGHAI JIAO TONG UNIV SCHOOL OF MEDICINE
Pressure steel pipe branch pipe hydraulic pressure test monitoring system and method
PendingCN121141361AMaterial strength using tensile/compressive forcesPipe waterWelding residual stress
The invention discloses a pressure steel pipe bifurcated pipe hydraulic pressure test monitoring system and method, and relates to the technical field of bifurcated pipe hydraulic pressure monitoring, and the steel bifurcated pipe hydraulic pressure monitoring system comprises a stress measurement module, a pressure measurement module, a data monitoring platform, and a water pump automatic pressurization control module. The stress measurement module is used for measuring the stress of the steel bifurcated pipe according to the stress characteristics of the Y-shaped symmetrical internally-reinforced steel bifurcated pipe, wherein the stress measurement areas of the steel bifurcated pipe are an obtuse angle area, a crescent rib side pipe wall and a crescent rib plate; the pressure measuring module is provided with four steel pipes on the steel branch pipe, and the four steel pipes are communicated to the interior of the steel branch pipe and are respectively a water injection pipe, a water drainage pipe, an exhaust pipe and a pressurizing pipe. Through a hydraulic test, welding residual stress can be redistributed, tip stress and construction additional deformation of the steel bifurcated pipe are eliminated, local peak clipping stress elimination of the steel bifurcated pipe is achieved, and therefore the overall brittle failure resistance and stress corrosion resistance of the steel bifurcated pipe are improved, and safe and stable operation of the steel bifurcated pipe is guaranteed.
Owner:華能新疆能源開発有限公司奥庫水電分公司
Monitoring and early warning device and method for preventing TBM (Tunnel Boring Machine) from getting stuck
The invention discloses a monitoring and early warning device and method for preventing a TBM from jamming, and the device comprises a plurality of monitoring and early warning units, and each monitoring and early warning unit is internally provided with an upper layer, a middle layer and a lower layer. Two transverse partition plates are fixed on the upper layer, a plurality of thin cylinders are connected between the two transverse partition plates, and the thin cylinders can move between the two transverse partition plates; the middle layer is provided with an inflatable airbag, and a laser scanner is arranged at the bottom of the inflatable airbag and used for imaging the upper portion of the inflatable airbag; the lower layer is provided with an air pressure monitor, an air pump and a control center, the air pressure monitor and the air pump are both connected with the inflatable air bag, and the air pressure monitor is further connected with the control center through a signal transmission line. The surrounding rock deformation condition of the whole tunnel can be comprehensively reflected in real time, an early warning signal is sent out in time, and the reliability of the device is improved.
Owner:SHANDONG UNIV OF SCI & TECH
Pressure wheel type suspension clamp
ActiveCN223729421USuspension arrangements for electric cablesForce measurementMetal thin filmPressure sensor
The utility model provides a pressure wheel type suspension clamp, relates to power transmission and distribution line pressure monitoring technical field, the pressure wheel type suspension clamp mainly comprises a support seat, a sliding wheel and a suspension rod, the support seat is internally provided with a lead conveying channel, the outer wall of the sliding wheel is provided with an elastic metal film, the end part is provided with an electrode, and the suspension rod is provided with a pressure sensor. The elastic metal film is electrically connected with the electrode, the elastic metal film deforms after being subjected to the acting force of the wire, then the resistance value is changed, the electrode is used for obtaining the resistance value of the elastic metal film after deformation, the resistance value after deformation can be accurately obtained through connection of the electrode and the elastic metal film, and therefore the magnitude of the borne pressure is indirectly measured. The defect that in the prior art, due to the fact that a wire clamp lacks pressure display, wire breakage and pole falling are caused due to the fact that the pressure of the wire cannot be obtained in time under special meteorological conditions, especially ice coating is overcome.
Owner:GUANGDONG POWER TRANSMISSION & TRANSFORMATION ENG
Simulated atomization grouting device and method for soft stratum
The invention belongs to the technical field of engineering simulation, and discloses a soft stratum simulation atomization grouting device and method. The device comprises a double-pressure supply device, a slurry storage barrel, an atomizer comprising an atomizing bin and an ultrasonic atomizing sheet, a nozzle, a pressure monitor, a test piece box and a slurry recycling barrel, and all the parts are connected with valves through pipelines to form a complete grouting system. According to the method, slurry is atomized, pressure is regulated and controlled in combination with a double-pressure-supply device, pressure changes are captured in real time in cooperation with a pressure monitor, and slurry diffusion leading edge information is dynamically mastered. According to the method, the technical problems that in the prior art, the adaptability of grout and an unconsolidated stratum is poor, the grouting pressure control precision is low, and effective real-time monitoring is lacked are effectively solved, the permeability and diffusion uniformity of the grout in the stratum are greatly improved, stratum disturbance or structural damage caused by out-of-control grouting is avoided, and the grouting quality is improved. Accurate parameter support is provided for site construction through an indoor simulation experiment, the trial and error cost is remarkably reduced, and the reliability and engineering practicability of grouting reinforcement of the soft stratum are improved.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Integrated leakage monitoring device with high applicability
PendingCN121678070ADetection of fluid at leakage pointMeasurement of fluid loss/gain rateEquipment under testWasher
The invention discloses an integrated leakage monitoring device with high applicability. The integrated leakage monitoring device with high applicability comprises a metal connecting pipe, a jacket nut, a flexible connecting pipe assembly, a four-way connector, a stop valve, a threaded diaphragm pressure controller, a pressure gauge and a sealing washer, the metal connecting pipe is used for connecting tested equipment and the flexible connecting pipe assembly, the end, connected with the tested equipment, of the metal connecting pipe is provided with a connecting threaded connector, and the end, connected with the flexible connecting pipe assembly, of the metal connecting pipe is provided with a jacket nut and a sealing washer. The flexible connecting pipe assembly is used for connecting a metal connecting pipe and a four-way connector, the end connected with the metal connecting pipe is provided with a connecting threaded connector, and the end connected with the four-way connector is provided with a jacket nut and a sealing washer. The four-way connector is used for connecting the flexible connecting pipe assembly, the threaded diaphragm pressure controller, the stop valve and the pressure gauge; one end of the threaded diaphragm pressure controller is connected with the four-way joint, and the other end is connected with the pressure monitoring electric interface; one end of the stop valve is connected with the four-way connector, and the other end is a drainage outlet.
Owner:CHINA STATE SHIPBUILDING CORP LTD RESEARCH INSTITUTE 719
Catheter structure, external chest compression system and pressure regulation and control method
The invention relates to the technical field of medical instruments, and particularly discloses a catheter structure, an external chest compression system and a pressure regulation and control method. The catheter structure comprises a catheter body, a positioning bag body, at least two esophageal bag bodies, a pressure adjusting assembly, a pressure monitoring assembly and a controller, the positioning bag body is connected to the far end of the catheter body, and the esophageal bag bodies are sequentially arranged in the direction of the side, close to the near end, of the positioning bag body; the pressure adjusting assembly is communicated with the positioning bag body and each esophageal bag body through each independent pipeline; the pressure monitoring assembly is used for collecting real-time pressure data in each esophageal capsule; the controller is used for controlling the pressure adjusting assembly to adjust the pressure in each esophageal capsule in combination with a compression signal fed back by external chest compression equipment and pressure data collected by the pressure monitoring assembly. The esophageal capsule bodies are arranged in a sectional mode, the pressure in the esophageal capsule bodies can be flexibly controlled according to the external chest compression rhythm, the extrusion effect of the back wall of the heart is improved, and then the external chest compression effect and efficiency are improved.
Owner:GUANGDONG GENERAL HOSPITAL
On-line oil supplementing device for voltage regulating switch of power transformer
The invention provides an on-line oil supplementing device for a power transformer voltage regulating switch. An oil gas monitoring container in the device is communicated with an oil conservator through a first oil pipe, communicated with an oil storage tank through a second oil pipe and communicated with a pressure monitor through a main gas pipe; the oil pump is arranged on the second oil pipe close to the oil storage tank; the first oil valve is arranged on the first oil pipe and close to the oil conservator; the second oil valve is arranged on the second oil pipe and is close to the oil-gas monitoring container; an exhaust valve is arranged at the other end of the branch air pipe; when the oil conservator oil capacity proportion is smaller than a first proportion, the oil pump, the first oil valve, the second oil valve and the exhaust valve are opened, after the oil capacity proportion of the oil gas monitoring container is larger than a second proportion, the exhaust valve is closed, and the oil flow rate is controlled by adjusting the output of the oil pump based on the pressure monitor until the oil conservator oil capacity proportion is larger than a third proportion; closing the oil pump and the first and second oil valves. According to the invention, on-line oil supplementation can be carried out on the voltage regulating switch under the condition that the power transformer is not powered off.
Owner:SHENZHEN POWER SUPPLY BUREAU
Experimental device and method for judging plugging effect of multiple sets of cover layers on natural gas
The invention belongs to the field of natural gas extraction, and discloses an experimental device and method for judging the plugging effect of multiple sets of cover layers on natural gas, and the device comprises constant-temperature gas containing boxes and sample holders which are arranged in a staggered manner; two ends of the rock sample holder are communicated with the constant-temperature gas container and are provided with valves; each constant-temperature air container is connected with an air supply unit; a heating system, a temperature monitor and a pressure monitor are arranged on each constant-temperature air container; and the gas supply unit, the heating system, the temperature monitor and the pressure monitor are in signal connection with the control system. According to the application, the plurality of constant-temperature gas containers and the sample holders are arranged in a staggered manner, so that the mutual overlapping characteristics of a plurality of sets of cover layers and a gas reservoir are simulated, and the temperature and pressure states of natural gas under each set of cover layer are respectively simulated through the independent constant-temperature gas containers, so that the evaluation on the plugging effect of the plurality of sets of cover layers is realized; errors of an existing breakthrough pressure value measuring method are avoided, and the plugging effect of the cover layer on the natural gas under the stratum condition can be more truly reflected.
Owner:PETROCHINA CO LTD
Magnetic drive alternate clamping type artificial anal sphincter prosthesis
The invention provides a magnetic force driven alternate clamping type artificial anal sphincter prosthesis, which comprises an upper clamping device, a lower clamping device, an upper clamping device and a lower clamping device, wherein the upper clamping device is used for clamping a first part of an intestinal tract and can be opened or closed through magnetic force driving; the lower clamping device is used for clamping a second part of the intestinal tract and can be opened or closed through magnetic force driving, and the magnetic force threshold value of the lower clamping device is larger than that of the upper clamping device; the linkage part is connected with the upper clamping device and the lower clamping device and enables the upper clamping device and the lower clamping device to be in linkage. According to the artificial anal sphincter device, a magnetic force driving mode is adopted, the upper clamping device and the lower clamping device are used for alternately clamping an intestinal canal, clamping is carried out in a large-area plane, an excrement temporary storage stage is preset, an intestinal pressure monitor is matched for defecation early warning, and manual operation is not needed; the artificial anal sphincter prosthesis can effectively reduce the risk of injury and infection caused by the fact that the intestinal tract is in a clamping state for a long time, and is safe, stable, good in excrement control and convenient in energy supply.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Filter for agricultural irrigation
The utility model discloses a filter for agricultural irrigation, which comprises a movable column moving structure, a filtering mechanism, a water inlet, a sewage discharge port, a console, a water-stop sheet, a water outlet and a pressure monitor, the upper end of the left side of the filtering mechanism is provided with the water inlet, and the sewage discharge port is arranged right below the water inlet; a water outlet is formed in the upper end of the right side of the filtering mechanism, the control table is fixedly connected with the middle portion of the front face of the filtering mechanism, the interior of a shell of the filtering mechanism is divided into an internal air cavity and an external liquid cavity under the action of a diaphragm, and the filtering membrane surrounds the outer side of the diaphragm. The membrane is pushed and pressed, so that the transverse liquid pressure of liquid is increased, the interior of the filtering membrane is flushed, the two faces of the filtering membrane are thoroughly cleaned, and after the improvement, water-free cleaning can be achieved, and the pollution discharge capacity is obviously improved.
Owner:XINJIANG CHENGKUN WATER SCI INTELLIGENCE CO LTD
High-pressure back flushing device and back flushing method for instrument sampling pipe
The invention discloses a high-pressure blowback device and a blowback method for an instrument sampling pipe, and relates to the technical field of pressure monitoring instruments, the high-pressure blowback device comprises a blowback pipeline, a multi-way electromagnetic valve and a controller; a communicating port, a back flushing port and a pressure tapping port are formed in the multi-way electromagnetic valve, the communicating port is used for being communicated with the sampling pipe, the back flushing port is communicated with the air outlet end of the back flushing pipeline, and the pressure tapping port is used for being communicated with a pressure monitoring instrument; the air inlet end of the blowback pipeline is used for introducing a blowback medium; and the controller is electrically connected with the multi-way electromagnetic valve and is used for switching the communication port to be communicated with the back flushing port and the pressure tapping port respectively, so that long-term stable operation of the pressure monitoring instrument is ensured, and the manual operation frequency can be reduced.
Owner:SDIC XINJIANG LUOBUPO POTASH CO LTD
Air separation system nitrogen mutual protection device
The utility model relates to the technical field of air separation devices, in particular to a nitrogen mutual protection device of an air separation system. According to the technical scheme, the device comprises an outer box, a first pipeline is installed at the top end of one side in the outer box in a penetrating mode, a first electromagnetic valve is arranged at one end of the first pipeline, a second pipeline is arranged at one end of the first electromagnetic valve, a first pressure monitoring meter is arranged at one end of the second pipeline, and a fourth pipeline is installed at the bottom end of one side in the outer box in a penetrating mode; a second electromagnetic valve is arranged at one end of the fourth pipeline, a fifth pipeline is arranged at one end of the second electromagnetic valve, and a second pressure monitoring meter is arranged at one end of the fifth pipeline. The first pipeline and the fourth pipeline are connected with the output ends of the two nitrogen compressors respectively, the electromagnetic valve and the pressure monitoring meter are arranged, automatic mutual protection of nitrogen is achieved, when one nitrogen compressor breaks down, the pressure monitoring meter can monitor insufficient nitrogen pressure in time, the reversing valve is automatically triggered to be switched to the other nitrogen compressor, and the nitrogen compressor is prevented from breaking down. And the continuity of nitrogen supply is ensured.
Owner:RIZHAO YINGDE GAS CO LTD
System for stabilizing reaction chamber pressure and method
PendingJP2025168497AElectric discharge tubesSemiconductor/solid-state device manufacturingReactor systemPressure stabilization
To provide a system for stabilizing a reaction chamber pressure and a method.SOLUTION: A reactor system may comprise: a first gas source; a second gas source; and a reaction chamber fluid-connected to the first gas source and the second gas source. First gas and second gas are respectively supplied to the reaction chamber from the first and second gas sources, to achieve stabilization of a reaction chamber pressure. The reactor system may comprise: an exhaust line fluid-connected to the reaction chamber in a downstream side of the reaction chamber; a vent line fluid-connected to the first gas source and / or the second gas source, and the exhaust line and bypassing the reaction chamber; and a vent line conductance control valve connected to a pressure monitor connected to the vent line, structured so as to monitor a vent line pressure in the vent line and / or the vent line, and structured so as to perform an adjustment in response to a feed-back from the pressure monitor.SELECTED DRAWING: Figure 1
Owner:ASM IP HLDG BV
Multi-node pressure monitoring temper mill AGC hydraulic safety protection device and method
PendingCN121676535AFluid-pressure actuator safetyFluid-pressure actuator testingHydraulic cylinderMonitoring site
The invention provides a multi-node pressure monitoring temper mill AGC hydraulic safety protection device and method, and relates to the field of cold-rolled sheet production equipment in the metallurgical industry. The problems that an existing AGC hydraulic system lacks real-time pressure monitoring, and a hydraulic cylinder is overloaded and exploded due to response delay of an overflow valve are solved. According to the device, through cooperative work of a triple pressure monitoring module, a signal processing module, a grading protection execution module and a reset self-checking module, three monitoring points are deployed at key nodes of a hydraulic loop, and rapid protection and fault positioning after pressure overrun are achieved in combination with millisecond-level signal processing and grading protection logic. According to the corresponding protection method, monitoring point installation, signal processing, protection triggering and system resetting are completed according to a standardized process. According to the invention, based on the redundancy design of triple pressure monitoring nodes and a millisecond-level response mechanism, comprehensive improvement of safety performance, operation benefits and system reliability is realized.
Owner:BAOTOU IRON & STEEL (GROUP) CO LTD
Monitoring data processing method and system for implantable medical pressure monitor
ActiveCN120929932ADiagnostic signal processingEvaluation of blood vesselsCategory recognitionData stream
The invention provides a monitoring data processing method and system for an implantable medical pressure monitor, and relates to the technical field of data processing. A pressure monitoring contrast signal, a pressure monitoring target signal and a pressure monitoring target signal category are obtained, data conversion is performed to obtain a conversion data stream, and the conversion data stream is input into a target neural network to obtain a target recognition result. The target recognition result comprises a signal correlation recognition result, a signal category recognition result and an interested signal segment recognition result of the pressure monitoring target signal compared with the pressure monitoring contrast signal, multiple recognition branches of the same data source can be performed based on a single neural network, and the accuracy and the processing efficiency are high. The high-efficiency data processing technology is adopted, so that the flexibility of data use is improved, long-term and continuous processing and use of neural signal monitoring data are facilitated, and the technical effects of precision improvement, risk reduction and lower power consumption can be achieved.
Owner:NINGBO XINLIANXIN MEDICAL TECH CO LTD
A movable constant-voltage constant-current pavement grouting system and control method
The application provides a movable constant-pressure and constant-flow pavement grouting system and a control method, which comprises a moving module, a control module, a grouting module and a monitoring module arranged on the moving module; the control module comprises a frequency conversion control unit and a PLC system; the PLC system receives slurry flow and slurry pressure monitored by a turbine flowmeter and a pressure transmitter, and compares the slurry flow and the slurry pressure with set flow and pressure values; when the monitored slurry flow or slurry pressure reaches the set flow or pressure value, the PLC system controls the frequency conversion control unit, and then regulates and controls the grouting pressure or grouting flow rate of the grouting module. The system can realize single-pump single-liquid constant-pressure pavement grouting and constant-flow pavement grouting under low pressure, and the two pavement grouting modes can be adjusted according to requirements, and the system can realize the function of conveniently grouting at multiple positions on the pavement.
Owner:SHANDONG UNIV
A plasma ignition actuator with adaptive flame regulation function
The present invention proposes a plasma ignition exciter with an adaptive flame adjustment function. The temperature monitor and the pressure monitor are set to monitor the working conditions of different temperature and different air pressure environments, and the environmental controller and the inverter controller are set to adjust the working state according to different working environments. The current controller is used to increase the input current, and the discharge controller is used to increase the discharge frequency to increase the output power, increase the plasma flame, and improve the ignition ability of the ignition exciter. This solves the problem that the traditional ignition exciter has a single output state during use and cannot meet the higher demand for ignition ability under harsh environmental conditions. It not only helps to improve the intelligence level of the ignition exciter, but also helps to improve the working stability and ignition ability of the engine in harsh environments.
Owner:SICHUAN FANHUA AVIATION INSTR & ELECTRICAL CO LTD
Double-pipe heat exchanger
The embodiment of the invention provides a double-pipe heat exchanger. The double-pipe heat exchanger comprises a monitoring assembly, an inner pipe, a first outer pipe and a second outer pipe, wherein the inner pipe, the first outer pipe and the second outer pipe are coaxially arranged; the interior of the inner pipe forms a first fluid channel for circulating supercritical carbon dioxide, and the exterior of the inner pipe and the interior of the first outer pipe form an annular monitoring channel for accommodating inert gas and a sintered metal porous material; the exterior of the first outer pipe and the interior of the second outer pipe form a second fluid channel for circulating molten salt; the first end of the monitoring assembly penetrates through the side walls of the second outer pipe and the first outer pipe and extends into the annular monitoring channel, and the second end of the monitoring assembly is connected to a pressure monitor and used for monitoring the pressure in the annular monitoring channel in real time. The leakage direction can be judged in time by monitoring the pressure change of the inert gas in the annular monitoring channel, and precious time is won for taking emergency measures.
Owner:HUANENG JILIN POWER GENERATION JIUTAI ELECTRIC FACTORY +1
Fluid collection canister for use with sub-atmospheric pressure pump
A fluid separation and collection canister operable in-line between a sub-atmospheric pump and a source of mixed fluid-gas flow. In one application, the present invention finds particular use in a healthcare environment to assist in the removal of fluids from a patient with internal or external injuries. The enclosed collection canister is made up of two case half shells separable at mid-line overlapping joint. The upper case half shell incorporates a suction port with a sub-micron gas filter, a pass-through port, and an upper fluid extraction port. The lower case half shell incorporates an inlet port with a one-way fluid valve, a lower pass-through port, and a lower fluid extraction port. The pass-through ports are used to carry a pressure monitoring lumen to the source of the mixed fluid-gas flow.
Owner:RENOVO CONCEPTS INC
Nanometer coating bin of pressure-stabilizing oil cooler
ActiveCN224072328UImprove the quality of useThoroughly coatedLiquid spraying apparatusSpray boothsProcess engineeringMechanical engineering
The utility model discloses a pressure stabilizing oil cooler nanometer coating bin which comprises a coating bin body, the coating bin body is provided with a sealable coating chamber, the coating bin body is provided with a control panel, a negative pressure mechanism, an atomization mechanism and an air pressure monitor, and the negative pressure mechanism, the atomization mechanism and the air pressure monitor are communicated with the coating chamber. The negative pressure mechanism, the atomization mechanism and the air pressure monitor are all controlled by the control panel and used for enabling the interior of the coating cavity to be in a positive pressure and / or negative pressure state. According to the technical scheme provided by the utility model, the oil cooler is coated by adopting a sectional type negative pressure and positive pressure atomization coating mode, so that nano coating liquid can be atomized and uniformly coated on the surface of the oil cooler, and the compact nano coating in the inner cavity of the oil cooler can be coated more thoroughly and comprehensively; therefore, the subsequent use quality of the oil cooler can be improved.
Owner:东莞市全好新材料技术有限公司
Formation pressure monitoring system based on DC index
The invention relates to the technical field of petroleum drilling ground testing, in particular to a formation pressure monitoring system based on a DC index. Comprising the steps that a main control unit draws a target well formation pressure monitoring related curve according to formation pressure monitoring related parameters detected by a parameter detection unit, and the formation pressure monitoring related parameters at least comprise real-time pumping pressure, real-time drilling fluid density and real-time drilling pressure; the formation pressure monitoring related curve at least comprises a pump pressure change curve, a drilling fluid density change curve and a bit pressure change curve; and the main control unit determines the DC index of the target well according to the formation pressure monitoring related parameters, draws a DC index change curve and monitors the formation pressure of the target well according to the formation pressure monitoring related curve and the DC index change curve. The problems that when formation pressure monitoring is conducted in the prior art, formation pressure cannot be obtained in time, consumed time is long, pressure obtaining is prone to failing, abnormities in the drilling process cannot be found in time, and the drilling efficiency is affected are solved.
Owner:DAQING DRILLING ENGINEERING CO LTD +1
In-situ monitoring device for pressure of soil and water behind well wall and mounting method
The invention discloses an in-situ monitoring device for soil-water pressure behind a well wall and an installation method, and relates to the technical field of soil-water pressure monitoring. In-situ real-time monitoring of the soil pressure and the water pressure behind the well wall can be achieved, and then the safety of the well wall structure is ensured. According to the technical scheme, a hole is formed in the inner wall of a shaft through a common drill bit, and an orifice pipe is embedded; a common drill bit is replaced by a drilling device, the drilling device is sequentially connected with a core monitoring device and a special drill rod, the drilling device comprises a three-petal openable drill bit, and the core monitoring device comprises an earth pressure box, a pore water pressure gauge front bin and a pore water pressure gauge rear bin. The inner wall and the outer wall of the shaft are drilled and then reversed; pulling out the limiting pin to take out the special drill rod; and long-term monitoring is carried out. According to the invention, in-situ actual measurement of stratum soil pressure and water pressure at different depth positions can be realized, actual measurement data can be provided for a deep underground engineering ground pressure theory, and long-term safe operation and maintenance of a well wall can be assisted.
Owner:安徽恒源煤电股份有限公司 +1
On-line backwashing air cooling tower normal temperature water distribution pipe process operation flow and method
The invention relates to the field of air cooling tower flushing, in particular to an on-line back-flushing air cooling tower normal temperature water distribution pipe process operation process and method, which comprises the following modules: a blockage monitoring module, an intelligent valve control module, a staged flushing execution module, a safety interlocking module and a data recording and analyzing module, and all module systems cooperate to form a complete optimized link; the blockage monitoring module comprises a data acquisition sub-module, a signal preprocessing sub-module and a blockage judgment sub-module; the staged flushing execution module comprises a flushing parameter adjustment sub-module and a stage switching sub-module; the safety interlocking module comprises a pressure monitoring sub-module and an emergency interruption sub-module; the data recording and analyzing module comprises a log storage sub-module and an effect evaluation sub-module; the invention aims to solve the problems that the production continuity is influenced and potential safety hazards exist as the blockage of the water distribution pipe of the air cooling tower can be treated only after the whole air separation system is shut down in the traditional treatment method.
Owner:ANHUI CHANGJIANG IRON & STEEL CO LTD
Continuous airbag pressure monitor capable of automatically adjusting airbag pressure
The invention discloses a continuous balloon pressure monitor capable of automatically adjusting balloon pressure, and relates to the technical field of medical instruments.The continuous balloon pressure monitor comprises a monitoring box body, an elastic adhesive tape, a microprocessor and a pressure measuring balloon, a visual window is connected to the outer side of the monitoring box body in a penetrating mode, and a positioning mechanism is arranged on the outer side of the monitoring box body; the positioning mechanism is used for constraining and positioning the back of the monitoring box body and limiting the monitoring box body according to monitoring requirements to ensure the operation stability of electronic components of the monitoring box body, a monitoring mechanism is arranged on one side of the monitoring box body, and the monitoring mechanism is used for adjusting the pressure of a pressure measuring air bag through deflation or inflation. And the oxygen is controlled in a normal range in the oxygen conveying process. The pressure measuring air bag serves as a core assembly of a trachea cannula or a tracheotomy cannula in mechanical auxiliary ventilation, the pressure measuring air bag is tightly attached to the wall of the conical cannula after being inflated and expanded, a closed space is formed, and gas leakage or oral secretion mistakenly inhaled into the lung during ventilation is prevented.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA