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232 results about "Pressure monitors" patented technology

Classified precise grouting device and grouting method for broken surrounding rock of mine deep roadway

The invention discloses a mine deep roadway broken surrounding rock classification accurate grouting device and method, and belongs to the technical field of mine engineering.The device comprises a classification recognition module, a grouting module and a pressure detection control module, the grouting module is arranged in a shell, and the grouting module comprises a multi-channel switching unit, a slurry storage unit and a flow control unit; the classification identification module is connected with the grouting module, the grouting module is connected with the pressure detection control module, the pressure detection control module is connected with the multi-channel switching unit, and the multi-channel switching unit is connected with the grout storage unit. According to the classified and precise grouting device and method for the broken surrounding rock of the mine deep roadway, through cooperative work of the classification and recognition module, the grouting module and the pressure monitoring control module, the intelligent control technology and the visual monitoring terminal are combined; accurate classification of broken surrounding rocks, dynamic switching of grout and real-time stable control of grouting pressure are achieved.
Owner:GUIZHOU UNIV

Intelligent nursing system and nursing method

The invention provides an intelligent nursing system and method, and relates to the field of medical instruments, and the intelligent nursing system comprises a nursing device, a temperature adjusting device, a monitoring device and a control processing device. The feeding device comprises an injection pump, an injection tube, an infusion tube and a simulation nipple. The monitoring device comprises a flow velocity monitoring unit, a pressure monitoring unit and a temperature monitoring unit. The control processing device comprises a machine learning module and a flow velocity control module, the machine learning module predicts a sucking demand through a neural network based on the sucking pressure monitored by the pressure sensor and generates a flow velocity correction factor, and the flow velocity control module adjusts the flow velocity of the injection pump based on the correction factor. The system further comprises a feeding efficiency evaluation module, a waveform analysis module, a feeding scheme configuration module, a data synchronization module and an alarm linkage module, wherein the data synchronization module and the alarm linkage module are linked with a hospital information system. According to the invention, precise feeding management of premature infants and swallowing dysfunction children is realized, and the feeding safety, efficiency and individual suitability are improved.
Owner:TIBET FUKANG MEDICAL CO LTD +1

Open hole vertical well fracturing crack position identification method based on density clustering

The invention discloses an open hole vertical well fracturing crack position identification method based on density clustering, which belongs to the technical field of hydraulic fracturing, and comprises the following steps: collecting a water hammer signal at the moment of pump stop by using a high-frequency pressure monitor; performing filtering processing on the signal by using an FIR filter; carrying out deconvolution processing on the filtered signal by adopting a cepstrum analysis method, and extracting crack reflection characteristics; determining the position of a liquid inlet point by combining an impedance identification technology; and performing dynamic analysis by using a density clustering method according to the determined liquid inlet point position, and identifying the crack number and the main body position based on the liquid inlet point space density. By the adoption of the method, the spatial distribution of the liquid inlet points is obtained through water hammer signal processing, the spatial density of the liquid inlet points is analyzed based on the density clustering analysis method, and therefore crack position recognition in the complex liquid inlet process such as vertical well open hole fracturing is achieved.
Owner:YANGTZE UNIVERSITY

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

Circuit breaker contact mechanical property state detection system

The invention relates to the technical field of sensors, and discloses a circuit breaker contact mechanical property state detection system which comprises a multi-sensor deployment module, an original data acquisition module, an original data preprocessing module, a contact pressure monitoring module, a data error calculation module, a data error analysis and adjustment module and a contact pressure comprehensive judgment module. The early warning information output module is used for performing error analysis and calculation on data acquired by the sensors to obtain error indexes of the sensors, performing parameter adjustment on the sensors which do not accord with a preset threshold value, and outputting early warning information when all the error indexes accord with the preset threshold value. According to the error index of each sensor and the stress deformation index of each pressure sensor calculated through the pressure monitoring mathematical model, a comprehensive judgment model is established to calculate the contact pressure stability index, and comprehensive judgment is performed according to the contact pressure stability index, so that the change of the contact pressure of the contact can be found in time; and faults are prevented.
Owner:STATE GRID SICHUAN ELECTRIC POWER CORP ELECTRIC POWER RES INST

Water supply pipeline pressure monitor

The utility model is suitable for the technical field of pipeline instruments, and provides a water supply pipeline pressure monitor which comprises a water supply pipe, a branch pipe arranged at the top of the side wall of the water supply pipe, a water valve installed in the branch pipe, a monitoring pipe connected with the branch pipe through a flange, a sealing assembly installed at the top end of the monitoring pipe, and a fixed partition plate fixedly connected with the inner wall of the monitoring pipe. An air bag is installed on the fixed partition plate, a control button is installed on the top in the sealing assembly, a signal lamp and a timer are installed on the outer top of the sealing assembly, and the control button is connected with the signal lamp and the timer through circuits. The monitoring pipe is connected with the branch pipe through the flange, when scale cleaning needs to be conducted on parts in the monitoring pipe, the water valve and a channel of the branch pipe can be closed, the monitoring pipe can be detached from the branch pipe to be cleaned, water supply in the water supply pipe does not need to be closed while the parts in the monitoring pipe are conveniently cleaned, and a user can conveniently use water.
Owner:SHENGEN TECH (ANHUI) CO LTD

Uncoiler with protective structure

The utility model provides an uncoiler with a protective structure, which comprises an uncoiling mechanism, a first support arm is mounted on one side of the top of a U-shaped support and is positioned right above a steel coil, a telescopic mechanism is arranged at the top of the first support arm, a strip-shaped seat is mounted at the bottom of the telescopic mechanism, a U-shaped mounting frame with a downward opening is arranged below the strip-shaped seat, and the U-shaped mounting frame is arranged below the U-shaped mounting frame. A pressing wheel is rotatably mounted at the bottom in the U-shaped mounting frame, guide columns are vertically arranged on the two sides of the top of the U-shaped mounting frame respectively, the tops of the guide columns are slidably arranged in the two ends of the strip-shaped base respectively, a limiting base is arranged on the top of each guide column, and a pressure monitor is mounted below the strip-shaped base. When the steel coil pressing device is used, the telescopic mechanism is controlled to fall to drive the pressing wheel to be slowly arranged on the top of a steel coil to press the free end of the steel coil, and the pressure value of the pressing wheel and the steel coil can be kept constant, so that the free end of the steel coil can be prevented from being loosened suddenly, and danger is avoided.
Owner:XIANGYANG XINSHENG HOME BUILDING MATERIALS CO LTD

Arterial blood pressure monitoring fixing part

The arterial blood pressure monitoring fixing part comprises an arm ring and an arm pad, the arm ring is in a circular ring shape, the arm pad is fixed inside the arm ring, an opening is formed in the side face of the arm ring, a connecting belt is fixedly connected to the opening end face of the arm ring, one end of the connecting belt is inserted into the other opening end face of the arm ring, and a limiting plate is fixedly connected to the side edge of the arm ring. A plurality of limiting rings are fixedly connected to the end face of the limiting plate, and a bandage is fixedly connected to the upper end of the arm ring. The multi-pipeline fixing device can be simply fixed to the arm in a clamping mode, then multiple pipelines are limited in a guiding mode, and the defect that in the prior art, dressing needs to be attached to the arm of the multi-pipeline fixing device for operation is overcome.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

Wireless pressure monitor for negative pressure treatment systems

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

Stomach tube with mistaken aspiration prevention structure

The utility model provides a stomach tube with a mistaken inhalation prevention structure, which comprises a mask and a stomach tube component, an oxygen port is arranged on the surface of the mask, the stomach tube component is mounted on the surface of the mask, and the stomach tube component comprises a stomach tube body, a first air tube, a second air tube, a first air bag, a second air bag, a partition plate, a silica gel valve and a pressure sensor. Compared with the prior art, the stomach tube assembly has the advantages that when the stomach tube assembly is used, a gap between an esophagus and a stomach tube can be effectively blocked through the arrangement of the first air bag and the second air bag, and therefore the stomach tube assembly is convenient to use. The risk that gastric contents flow back into the esophagus and the respiratory tract is greatly reduced, the partition plate is arranged and divides the gastric tube body into the main cavity and the auxiliary cavity in the using process, an infusion channel and a pressure monitoring channel of nutrient solutions or medicine are independent of each other and do not interfere with each other, and therefore the stability of the infusion process and the accuracy of pressure monitoring can be guaranteed.
Owner:王雪

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

PendingUS20250319288A1Balloon catheterMedical devicesAngioplasty balloonAngioplasty balloons
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

A multi-type mine pressure monitoring instrument pressure-holding test control system

The present invention discloses a multi-type mine pressure monitoring instrument pressure-holding test control system, which includes a cabinet-type pressure-holding device, a hydraulic pump station, an electro-hydraulic control platform, an office operation platform, a frame-type pressure-holding support device, a mobile pressure-holding support device, a hydraulic pipeline system, mine pressure instrument I, mine pressure instrument II, a customized shelf, a turnover trolley, a washbasin, a dressing cabinet, a mine pressure instrument test and sorting platform, mine pressure instrument III, mine pressure instrument IV, and a product turnover test area. The present invention combines a frame structure and a cabinet structure, which not only meets the test placement of different types of instruments but also makes full use of the space of the support frame. The present invention has the characteristics and advantages of strong comprehensiveness of mine pressure instrument measurement and control functions, good connection and sealing of liquid and gas pipelines, stable performance, optimized resource allocation, reasonable mechanical structure design, clean and tidy test site, small loss of working medium, beautiful overall layout, strong product compatibility, high measurement and control efficiency, and excellent system operation quality.
Owner:ERDOS YINGPANHAO COAL CO LTD +1

Pressure steel pipe branch pipe hydraulic pressure test monitoring system and method

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

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

Movable construction protection device for tunnel construction

The invention discloses a movable construction protection device for tunnel construction, and relates to the field of tunnel construction. The movable construction protection device for tunnel construction comprises a lifting unit, a shielding plate, a deformation monitoring module, a pressure monitoring module, an alarm and a processor, the shielding plate is arranged above the lifting unit, the deformation monitoring module is installed on the shielding plate, the pressure monitoring module is installed at the bottom of the shielding plate, and the alarm is installed at the bottom of the shielding plate. The alarm is installed on the protection device, and the processor is connected with the lifting unit, the deformation monitoring module, the pressure monitoring module and the alarm. According to the movable construction protection device for tunnel construction, the lifting unit and the alarm are controlled to operate through the processor according to the displacement deformation quantity and the bearing pressure value, so that the protection device can be correspondingly adjusted according to corresponding monitoring data, and the protection device is more flexible; and a construction area can be effectively protected.
Owner:上海唯智工程项目管理有限公司

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

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

Inflatable medical implant having a pressure monitor

According to an aspect, an apparatus includes a bodily implant configured to be implanted into a body of a patient, the implant including an inflatable member and a sending unit, the sending unit having a sensor configured to sense the pressure of the inflation member; and a reading unit, the reading unit configured to be disposed outside of the body of the patient and configured to operatively communicate with the sending unit.
Owner:BOSTON SCIENTIFIC SCIMED INC

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

A method and device for assembling a pressure relief assembly of an automobile air-conditioning compressor

The present invention relates to an assembly method for a pressure relief assembly of an automobile air-conditioning compressor, and the implementation method is as follows: a steel ball, a spring and a plugging nail are sequentially placed in a valve hole of a one-way valve of a static vortex disk, the valve hole of the one-way valve is closed and a high-frequency air pressure monitor is used to detect the air pressure value in the one-way valve, the plugging nail is squeezed toward the inner direction of the valve hole of the one-way valve, and the plugging nail pressing operation is stopped when the air pressure value is monitored to reach a set value or is within a set range. After the implementation of the present invention, the assembly quality and efficiency of the one-way valve are greatly improved, and the influence of the drilling depth on the pressing result is avoided through the air detection method; a large number of mechanical structures for contact steel ball measurement are reduced, the equipment cost is reduced, and the mechanical operation error of the contact steel ball measuring spring pressure is avoided, the outflow of defective products is prevented, the assembly efficiency is improved by more than 40%, and the pressing cycle can reach 30±1S.
Owner:SHENZHEN TUOYE ROBOT AUTOMATION CO LTD

Magnetic drive alternate clamping type artificial anal sphincter prosthesis

PendingCN121465770ALigamentsMusclesArtificial anusProsthesis
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

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