49 results about "Pressure Transducer Probe" patented technology

The invention relates to a dynamic pressure calibration device, and the device employs a standing wave theory to construct a periodic dynamic change pressure field. The device is mainly used for the calibration of a dynamic pressure of an optical pressure-sensitive paint, and also can be used for the periodic dynamic calibration of other changes related with the pressure changes, and provides a new scheme for the calibration of national dynamic frequency response characteristics. Based on the standing wave superposition and standing wave resonance principles, a three-segment type dynamic calibration cabin structure is designed, thereby facilitating the disassembly and replacement according to different experiment conditions. The machining material of the calibration cabin is organic glass, and a side wall is a plane, thereby reducing the optical scattering, and improving the optical measurement precision. In order to reduce the loss caused by section changes, a transition structure with the continuously changing section is designed. Meanwhile, in order to guarantee the accurate calibration result, a pressure sensor probe for reference and a PSP calibration piece remain in the same plane, and are oppositely parallel to a wave plane of a plane pressure wave. The calibration cabin is simple in structure, is convenient to machine, is strong in anti-interference capability, and can effectively reduce the experiment cost.

The invention provides a water jet tunneling type shield tunneling machine. A water jet technology and a shield tunneling technology are combined and an annular retaining device is moved frontwards; in a tunneling process, a cavity formed in the outer side of a rock cylinder is pushed forwards in a tunneling process; a disc-shaped hobbing cutter of an existing shield tunneling machine is changed into an annular hobbing cutter and is arranged at the front end of the annular retaining device, so that abrasion is reduced; a retractable pressure sensor probe is arranged at the front end of the annular retaining device so that a water jet can be conveniently opened in time; an alloy cutter is partially or wholly replaced by the water jet; when the machine meets a stratum layer or a hard rock layer with complicated lithological characters, the water jet is used for assisting tunneling, so that direct collision between the cutter and rocks is reduced; and in order to reduce water utilization cost and sand utilization cost of the water jet, a residue soil conveying device and a water pumping device of the shield tunneling machine are improved, and pumped underground water and crushed waste residues, which are pumped in a tunnel construction process, are recycled and are used for a sand adding water jet. The embodiment suitable for mines is designed. The tunnel construction cost can be easily reduced, harms of collapse, waste heat, water inrush accidents and dust are effectively reduced, and wastes of underground water are reduced.

The invention discloses an automatic pressure regulating type fan shock absorber and a control method. The automatic pressure regulating type fan shock absorber comprises shock absorber bodies and a fan. The shock absorber bodies are mounted at the four corners of the bottom end of the fan. Each shock absorber body comprises a base mechanism, a spring hydraulic mechanism, an airbag rubber mechanism and a top plate mechanism. The base mechanism and the top plate mechanism are arranged in a vertically parallel manner, and the spring hydraulic mechanism and the airbag rubber mechanism are mountedbetween the base mechanism and the top plate mechanism. The spring hydraulic mechanism comprises a hydraulic device and a spring, and the hydraulic device is sleeved with the spring. The airbag rubber mechanism comprises an airbag, a pressure sensor probe, a vent hole and rubber. According to the automatic pressure regulating type fan shock absorber and the control method, a data collector is utilized for analyzing the pressure value in the airbag and the vibration frequency value of the fan, and the air amount in the airbag is reasonably controlled through an air control valve, so that vibration reduction is carried out on the fan at different masses and different gears; and the work precision is improved through automatic processing, the bottom space of the fan is ingeniously utilized,and a large quantity of space resources is saved.

The present invention relates to the field of medical devices, in particular to an intelligent knee joint tibial plateau test pad module, comprising a tibial plateau test pad body provided with an accommodation cavity and a force-measuring chip disposed in the accommodation cavity. The interior accommodation cavity of the present invention There is a force-measuring chip inside. When the knee joint is undergoing activity tests, the pressure sensor probes evenly arranged on the force-measuring plate frame can accurately measure and display the force distribution of the inner and outer platforms of the knee joint during the activity process. Eliminate the cause in time, achieve a balanced distribution of force, and ensure the effective cooperation of the artificial prosthesis of each component.

The invention provides a water jet tunneling type shield tunneling machine. A water jet technology and a shield tunneling technology are combined and an annular retaining device is moved frontwards; in a tunneling process, a cavity formed in the outer side of a rock cylinder is pushed forwards in a tunneling process; a disc-shaped hobbing cutter of an existing shield tunneling machine is changed into an annular hobbing cutter and is arranged at the front end of the annular retaining device, so that abrasion is reduced; a retractable pressure sensor probe is arranged at the front end of the annular retaining device so that a water jet can be conveniently opened in time; an alloy cutter is partially or wholly replaced by the water jet; when the machine meets a stratum layer or a hard rock layer with complicated lithological characters, the water jet is used for assisting tunneling, so that direct collision between the cutter and rocks is reduced; and in order to reduce water utilization cost and sand utilization cost of the water jet, a residue soil conveying device and a water pumping device of the shield tunneling machine are improved, and pumped underground water and crushed waste residues, which are pumped in a tunnel construction process, are recycled and are used for a sand adding water jet. The embodiment suitable for mines is designed. The tunnel construction cost can be easily reduced, harms of collapse, waste heat, water inrush accidents and dust are effectively reduced, and wastes of underground water are reduced.

The invention provides a differential temperature and pressure tester for a horizontal well for thermal recovery. A first temperature sensor and a second temperature sensor are arranged at a certain distance for temperature measurement, and a pressure sensor probe is used for measuring pressure; a data acquisition circuit is positioned in a thermos and acquires temperature and pressure data; and the thermos protects the data acquisition circuit against the impact of high temperature, and a protective cylinder in the tester is a protective cylinder of the thermos. The differential temperature and pressure tester for the horizontal well for thermal recovery solves the problems that the uniform vapor suction and liquid production of a long horizontal segment can not be ensured, the horizontal well segment can not be fully utilized after multi-cycle of huff and puff, and many horizontal wells for thermal recovery are inefficient and the like in the prior art are solved, and has the advantages of realization of differential temperature and pressure testing of the horizontal well, high temperature high pressure resistance and reliable and secure testing.

The invention discloses a constant current control device for waste water in pipes, comprising a pressure transformer, a computer, a frequency converter, a waste water lift pump and a waste water pipeline, wherein the pressure sensor probes of the pressure transformer are inserted into the waste water pipeline, the input of the pressure transformer is connected with a power supply while two signal outputs are respectively connected with the input of a computer I / O port and the common end of the I / O port, the frequency setting voltage input of the frequency converter is connected with the analogue output of the computer I / O port, the analogue signal input common end of the frequency converter is connected with the common end of the computer I / O port, the output of the frequency converter is connected with the power end of the motor of the waste water lift pump, the water outlet of the waste water lift pump is connected with the water inlet of the waste water pipeline. The device has simple adjustment, measurement and maintenance and low cost, is not limited by the shapes and diameters of pipelines and can quickly and effectively control the current of waste water in the pipeline constant.

The invention relates to a calorimetric pool for uniformly adding a mobile phase in a calorimetric apparatus. The problem in the prior art that the existing mixing effect is not good can be mainly solved. According to the technical scheme of the invention, the calorimetric pool for uniformly adding the mobile phase in the calorimetric apparatus is provided. The calorimetric pool comprises a reaction tank shell, temperature and pressure sensor probes, a stationary phase sample inlet port, a mobile phase sample inlet channel and a porous disperser. The top of a reaction tank is provided with a sleeve. The temperature sensor probe is placed within the internally recessed sleeve and is not in direct contact with a sample. The pressure sensor probe is arranged in a gas-phase space at the top of the reaction tank. The stationary phase sample inlet port is arranged at the top of the reaction tank. The mobile phase sample inlet channel is arranged at the top of the reaction tank. One end of the mobile phase sample inlet channel, extending into the interior of the reaction tank, is connected with the porous disperser. The porous disperser is tiled flat to be distributed at the bottom of the reaction tank or is distributed in the space of the reaction tank in the spiral rising manner. According to the technical scheme of the invention, the above problem can be well solved. The calorimetric pool can be used for calorimetry test.

The invention discloses a rat stomach antrum pressure sensor probe which comprises an elastic saccule, an upper catheter, a lower catheter, a tee joint, an injector and a pressure transducer. The two ends of the upper catheter are connected with the elastic saccule and the upper end of the tee joint respectively. The two ends of the lower catheter are connected the lower end of the tee joint and the pressure transducer. A horizontal through opening of the tee joint is connected with the injector. The elastic saccule is a condom front section air bag. A probe structure is greatly simplified, and the back end platform requirement is lowered. The structure is simplified, storing is easy, manufacturing can be carried out through a condom and the injector by a user, and related experiment cost is saved.

The invention discloses a novel automotive bumper. A fixing plate (1) is fixedly arranged at the front end of an automobile, a sliding way (2) is arranged at the front end of the fixing plate (1), a sliding push-pressing plate (3) is arranged on the inner surface of the sliding way (2), a pressure sensor probe (25) is arranged on the inner surface of the sliding way (2), the outer surface of the push-pressing plate (3) is fixedly connected with a rubber block (4), a C-shaped push-pressing frame (5) is fixedly connected to the rubber block (4), one end of a spring is connected to the C-shaped push-pressing frame (5), and the other end of the spring is connected with the bumper. The novel automotive bumper can play a very good prevention and protection effect.

The invention discloses a urinary bladder pressure monitoring method and system based on optical fibers. The method comprises the steps as follows: a pressure signal of the urinary bladder of a patient is acquired by an optical fiber pressure sensor probe and converted into a voltage signal; the voltage signal is preprocessed; the preprocessed voltage signal is analyzed; a urinary bladder pressure result is displayed. The system comprises the optical fiber pressure sensor probe for acquiring the pressure signal of the urinary bladder of the patient, a signal converter for converting the pressure signal into the voltage signal, a signal preprocessor for preprocessing the voltage signal, a data analysis module for analyzing the preprocessed voltage signal and a display module for displaying the urinary bladder pressure result. With the adoption of the method and system, the urinary bladder pressure of the patient suffering from urinary tract dysfunction can be monitored accurately, conveniently and dynamically, and the detection cost can be reduced.

The invention relates to a gastrointestinal motility detection device. The gastrointestinal motility detection device comprises a connecting guiding wire duct, a pressure sensor probe and a data connector, wherein the pressure sensor probe is arranged at one end of the connecting guiding wire duct, and the data connector is arranged at the other end of the connecting guiding wire duct; and the connecting guiding wire duct is used for transmitting data acquired by the pressure sensor probe to the data connector. The gastrointestinal motility detection device disclosed by the invention adopts ahigh-accuracy sensor, a gas tightness structure is arranged at the end of the sensor, and during measuring, external environment cannot influence the accuracy of the sensor, so that the measuring accuracy is high; and besides, in the measuring process, noise reduction is automatically performed, so that the measurement error is reduced.

The invention discloses a rubber sealing ring compression elasticity modulus testing instrument, which comprises a touch screen, a PLC (programmable logic controller), a step motor driver and a detection instrument device, wherein a control program is guided into the PLC and the touch screen; the control instruction is transmitted to the PLC through the touch screen; then, a high-speed pulse signal is sent to the step motor driver to control the starting and the positive and reverse rotation of the step motor, and the speed change and the emergency position limitation. When a pressure sensor probe arranged on the step motor is in contact with a tested sealing rubber ring, pressure signals can be generated; then, the formed pressure analog quantity signals can be transmitted to an analog quantity signal amplifier to be amplified; the analog quantity module is further used for data collection; the data is converted into the digital quantity signals; next, the digital quantity signals arefinally sent to the touch screen through a CPU224; the dynamic relationship curve of pressure and time is formed; a cantilever structure of a probe can meet the test requirements of the sealing rubber rings with different diameters.

The invention relates to a quick cooling cup. The quick cooling cup comprises a cup body and a cup cover, wherein the cup cover is made of a phase-change refrigeration material; a plurality of pressure sensor probes are arranged on the inner wall of the cup body; induction lamps corresponding to the pressure sensor probes are arranged on the outer wall of the cup body; an induction lamp controller is mounted in the cup body; the induction lamp controller is connected with the pressure sensor probes and the induction lamps; and the induction lamp controller is used for controlling colors or states of the induction lamps according to in-cup water pressure signals detected by the pressure sensor probes, and institutively perceiving the state of the water in the cup body according to the colors or states of the induction lamps.

The invention provides a fishing rod stiffness measuring instrument, comprising a main frame on which a measuring machine assembly, a fishing rod constraining assembly, a signal control and processing circuit board, a control panel, a power supply and a display, storage and output device are arranged, wherein the measuring machine assembly comprises a first sliding table with a motor, and a displacement sensor is arranged on the first sliding table with the motor; a first sliding body is also arranged on the first sliding table with the motor, and a pressure sensor is arranged on the first sliding body; a pressure sensor probe is arranged on the pressure sensor, and the first sliding table with the motor is powered by the power supply and is controlled by the signal control and processing circuit board; the pressure sensor and the displacement sensor are connected with the signal control and processing circuit board, and the control panel and the display, storage and output device are connected with the signal control and processing circuit board; the signal control and processing circuit board, the control panel and the display, storage and output device are also powered by the power supply. The fishing rod stiffness measuring instrument can be used for accurately and quantitatively measuring the stiffness of a fishing rod.

The invention discloses a device for assisting in installation of a water depth monitoring pressure sensor. The device comprises a supporting rod and a supporting plate, the supporting plate is arranged on the supporting rod, an installation structure for installing a pressure sensor probe is arranged on the supporting rod and / or the supporting plate, the supporting plate can be closely fitted on deposition, and the pressure sensor probe can be positioned at the position parallel and level to or slightly higher than the surface of the deposition by the installation structure. According to the device, the supporting plate can be closely fitted on the deposition, the pressure sensor probe can be positioned at the position parallel and level to or slightly higher than the surface of the deposition by the installation structure, so that the deposition cannot cover the pressure sensor, the pressure sensor probe cannot be flushed in an inclined state by water flow, and the device is simple in structure, convenient to operate and low in manufacture and use cost.

A disinfection device for a pressure pipeline ventilation well comprises a main machine; a driving module, a telescopic arm module and a detection module are connected to the main machine; a disinfection module is connected to the rear portion of the disinfection device, and the disinfection module and the detection module are connected with an information collection control server. The disinfection module comprises an ozone generator and an aeration pipe connected with the ozone generator, the aeration pipe adopts a flexible corrugated pipe structure, and a nano aeration disc is arranged on the aeration pipe; the main machine is of a corrosion-resistant casing pipe structure, an outer-layer casing pipe is a sealed cabin body, and the inner-layer casing pipe is connected with the aerationpipe; the detection module comprises a sediment detector, a pressure sensor, an ORP probe and an infrared closed circuit television monitoring system. In the implementation process, pathogenic bacteria and viruses in the long-distance ventilation well are removed through an ozone and ultraviolet light combination technology, the possibility that the pathogenic bacteria and the viruses enter a drainage facility and a sewage treatment facility is reduced, the disinfection efficiency in a sewage pipeline is improved, the viruses, odor and organic matter in aerosol in the pipeline can be partiallyremoved, and public health and safety are protected.

The invention relates to the field of medical apparatus and instruments, in particular to a pressure testing alarm after operation. The pressure testing alarm comprises a pressure sensor probe, a controller, and a lead for connecting the pressure sensor probe with the controller, wherein the controller comprises a power supply, a switch, a display and an alarm. The pressure testing alarm has the benefits that the controller is connected with the pressure sensor probe, so that the control of the pressure at bandage positions after limb operation can be realized, the function of alarming in case that a safety pressure value is exceeded is achieved, the workload of nurses and doctors is greatly reduced, more accuracy is realized, the safety of affected parts of patients can be guaranteed, and the situation that hyperpiesia caused by postoperative bleeding and tissue swelling leads to serious consequences, such as insufficient blood supply, limb end thanatosis and the like is avoided. The pressure testing alarm has a simple structure, is convenient to use, and also has great clinical significance.

The invention discloses an improved heavy oil thermal recovery device. The device comprises a pumping rod; the pumping rod is provided with at least two sets of independent gas injection devices; each gas injection device comprises a gas injection pipeline, an auxiliary injection pipeline and a sampling pipeline; the top end of each gas injection pipeline is provided with a steam injection valve and an oil outlet valve; the top end of each auxiliary injection pipeline is provided with a check valve; a pressure sensor probe, a temperature sensor probe and a dryness sensor probe are arranged in the sampling pipeline. The invention also discloses a heavy oil recovery method by using the heavy oil thermal recovery device. A steam huff and puff mode and a steam flooding mode are organically combined and are used circularly. The device and the method can overcome defects in the prior art, the oil extraction rate in the whole heavy oil recovery process is improved and the exploitation cost is reduced.

The invention discloses an elastic pressure sensor probe structure. The structure comprises a detection shell. A lower side of the detection shell is provided with a pedestal. The lower side of the pedestal is provided with a pressure port. A periphery of an upper end of the detection shell is provided with a threaded sleeve. The upper portion of a cushion block is provided with a wire harness chamber. The side wall of the wire harness chamber is provided with an inlet wire cylinder. Through arranging an installation support, the whole probe structure is fixed so that the whole probe structurecan be conveniently installed and simultaneously the probe structure can be protected. Through arranging a diaphragm fixing rack, a first clamping plate and a second clamping plate are used to fix adiaphragm installed in a later period so that a problem that a traditional diaphragm can not be dismounted after being installed is solved, and the diaphragm can be conveniently replaced and installed. Through arranging a heat dissipation inner sleeve in an inner edge of the detection shell, a bottom of the detection shell has a good heat insulation effect and a good heat dissipation effect, and the service life of the probe structure under a high temperature condition is prolonged.

The invention relates to a noninvasive bladder pressure measuring device and a measuring method thereof. The measuring method comprises the following steps of: (1) connecting the measuring device, and inserting and fixing a pressure sensor probe into a water injection soft valve of a urethral catheter; (2) correcting the pressure value in a water bag to be 0 as a measurement initial pressure value; (3) acquiring the pressure in the bladder in real time, and calculating and predicting urination time in real time through a prediction model; and (4) outputting the predicted urination time, giving an alarm sound or outputting a pressure curve. The invention provides a bladder pressure monitoring device capable of noninvasively predicting the time of catheterization in real time and judging a urination disorder type, and a measuring method of the bladder pressure monitoring device. The bladder pressure monitoring device comprises a bladder pressure visualization system which continuously displays the bladder pressure and displays a time-pressure value in a curve form; and a built-in regression prediction model is used for calculating relative time when safe pressure is achieved, and a timely early warning is given to guide a patient or a caregiver thereof to open the urinary catheter in time, so that urine backflow is avoided.

The invention relates to the technical field of devices for detecting fire fields, in particular to a device for detecting fire fields for fire therapy and a method for applying the device. The device comprises a grid. Miniature electric cables are woven to form the grid, a temperature sensor probe, a humidity sensor probe, a first pressure sensor probe and a second pressure sensor probe are respectively embedded in four corners of each cell of the grid, each first pressure sensor probe and the corresponding second pressure sensor probe are adjacent to each other and are connected with each other by a miniature air pipe, data can be transmitted to a monitor by the various probes via the miniature electric cables, and micro-control instructions can be fed onto a display after the data are analyzed and processed by the monitor. The device and the method have the advantages that physical parameters of the temperatures, the humidity, the pressures, the air speeds and the air directions of environments of the fire fields for fire therapy can be dynamically monitored, the matched data can be analyzed and processed, the micro-control instructions can be generated, and navigation information can be displayed on the monitor.

The invention discloses a water content testing instrument for a thermal horizontal well. The water content testing instrument comprises a sensor and a data acquisition circuit, wherein the sensor and the data acquisition circuit are mutually connected; the data acquisition circuit is protected in a metal thermos bottle; a sensor body base which is used for connecting and fixing the sensor is arranged at the front end opening of the metal thermos bottle; the sensor comprises a water-containing sensor, a micro-differential temperature testing sensor head and a pressure sensor probe; the outer part of the metal thermos bottle is provided with an inner instrument protection tube in a sleeving way; the outer side of the inner instrument protection tube is hollowly provided with an outer instrument protection tube in the sleeving way; an annular space is formed between the inner instrument protection tube and the outer instrument protection tube; the front end of the outer instrument protection tube is connected with a sensor protection tube; the sensor is totally protected in the sensor protection tube. According to the water content testing instrument disclosed by the invention, not only can the position of a water production interval of a high-water content horizontal well be monitored, and a plugging and regulating position and a scheme be made, but also a profile testing for the water content, the static well temperature and the well pressure can be carried out on the thermal horizontal well which is injected by steam, so that the steam absorption situation, the liquid production situation and a production degree of a horizontal interval of each perforation interval during a steam injection process can be qualitatively judged.

The invention provides a pulse device. The pulse device comprises a base, a rack, a connecting part, at least one shaft, a supporting arm, a positioning device and a pressure sensor assembly, wherein the rack is arranged on the base, and is provided with at least one first through hole penetrating through the rack; the connecting part is provided with at least one second through hole penetrating through the connecting part; the at least one shaft penetrates through at least one first through hole and at least one second through hole in a one-to-one correspondence manner; the supporting arm is arranged on the connecting part; the positioning device is arranged on the connecting part; the pressure sensor assembly is arranged on the supporting arm; the pressure sensor assembly further comprises a pressure sensor adjustment device arranged on the supporting arm and at least one pressure sensor probe arranged on the pressure sensor adjustment device; and the positioning point of the positioning device can be located under the at least one pressure sensor probe.

The invention discloses an improved heavy oil thermal recovery device. The device comprises a pumping rod; the pumping rod is provided with at least two sets of independent gas injection devices; each gas injection device comprises a gas injection pipeline, an auxiliary injection pipeline and a sampling pipeline; the top end of each gas injection pipeline is provided with a steam injection valve and an oil outlet valve; the top end of each auxiliary injection pipeline is provided with a check valve; a pressure sensor probe, a temperature sensor probe and a dryness sensor probe are arranged in the sampling pipeline. The invention also discloses a heavy oil recovery method by using the heavy oil thermal recovery device. A steam huff and puff mode and a steam flooding mode are organically combined and are used circularly. The device and the method can overcome defects in the prior art, the oil extraction rate in the whole heavy oil recovery process is improved and the exploitation cost is reduced.

The invention provides A novel fully automatic helipad protection device including the apron deck, temperature and humidity sensor, Pressure sensor, SCM control system, stepping motor, Slide rails, bearings, steel wheels, protective sheds, A temperature and humidity sensor probe is fixedly arrange on that apron deck, the pressure transducer probe is fixedly embedded in the apron deck, temperatureand humidity sensor, A pressure sensor is connected with a single chip microcomputer control system through a wire, A step motor is connected with a single chip microcomputer control system through awire, A stepping motor rotor is welded and fixedly connected with a steel wheel, the bearing is fixedly connected with the steel wheel, At that edge of both sides of the apron deck, The stepping motoris fixedly arranged in the slide rail, and the bottom end of the protection shed is fixedly connected with the bearing by welding. The invention has the beneficial effects that the temperature and humidity sensor, the pressure sensor and the single chip microcomputer control system can be used for realizing the automatic opening protection, and the damage of the acid rain and the ultraviolet rayto the aerodrome and the helicopter is effectively prevented.