205results about "Pump testing" patented technology

This application discloses a method, device, ship, and electronic equipment for fault monitoring of a diesel engine-driven pump, belonging to the field of diesel engine design technology. The method includes: acquiring vibration data of the diesel engine-driven pump at different vibration measurement points, and the current system performance parameters of the pump; each vibration measurement point is equipped with a reference amplitude; determining the root mean square amplitude of the vibration data; for any first measurement point among the different vibration measurement points, detecting the changing trend of the system performance parameters when the fluctuation of the root mean square amplitude of the first measurement point relative to the corresponding reference amplitude reaches a preset threshold; if an abnormal changing trend of the system performance parameters is detected, generating and outputting alarm information. This application adopts a comprehensive monitoring method combining pump vibration data and system performance parameters, leveraging the high sensitivity and real-time performance of vibration signals, combined with the accuracy and stability of system performance parameters, to achieve effective real-time fault monitoring of the diesel engine-driven pump.

This utility model relates to the field of electronic water pump technology, specifically to a testing device for automotive electronic water pumps. The testing device includes an outer frame and a water pump. The outer frame is rotatably connected to a fixed cover via an electric push rod. Both the fixed cover and the outer frame are rotatably connected to the water pump. The fixed cover is threadedly connected to a fixing assembly via a screw rod. The fixing assembly is in close contact with the water pump. The fixing assembly includes several limiting plates evenly distributed inside the fixed cover, with one end of each limiting plate rotatably connected to the screw rod. The advantages of this utility model are: the fixing assembly can fix water pumps of different shapes horizontally, and the buffer plate and fixing frame can fix and limit the water pump vertically, while facilitating rotation. At this time, the water pump is fixed and cannot move, but it can be rotated during testing, thus facilitating testing and observation.

We provide a visualization system that visualizes energy consumption or CO2 emissions at manufacturing sites. [Solution] The visualization system includes a plurality of flow sensors that measure the flow rate of fluid supplied to each of a plurality of processing machines, and an output unit that outputs the energy consumption of each of the processing machines based on the measurement results of each of the flow sensors. Preferably, the plurality of processing machines are machines to which air is supplied in parallel from a single compressor, and the output unit outputs the energy consumption of each of the processing machines based on the energy consumption of the compressor and the measurement results of the plurality of flow sensors.

To suppress a decrease in the operating rate of a compressor when a test run of a predetermined compressor unit is performed. [Solution] The compressor includes a plurality of compressor units, each having a compressor body that compresses gas and a motor that drives the compressor body, piping that connects the plurality of compressor units, and a control device that controls the plurality of compressor units. The control device stops operation of a compressor unit that satisfies an abnormal stop condition among the plurality of compressor units, and performs a test run of the compressor unit that satisfies the abnormal stop condition while continuing the number-controlled operation of the other compressor units.

Disclosed are methods and apparatus for delivering an active pharmaceutical ingredient (API) to a substrate, such as an edible. In particular, an API-containing liquid is dosed from a dosing head in small increments. Because the volume of API-containing liquid dosed in each increment is known, and the concentration of API in the API-containing liquid is known, the amount of API incrementally driven out of the dosing head in the API-containing liquid is known. Among the API driven out of the dosing head, a majority can be delivered to the substrate, for instance as individual successive droplets or as a stream. A minority can remain adhered to the dosing head as a residual API. A wash fluid can be applied to the dosing head to remove the residual API and deliver the residual API to the substrate.

The utility model provides a kind of vacuum pump test system, it is related to vacuum pump technical field.Specifically, the vacuum pump test system includes test cover, detection module, gas supply module, period test module and reading module.Wherein, test cover is used to connect with the import of the vacuum pump to be measured, to simulate the process chamber connected with the vacuum pump to be measured.And gas supply module, period test module and reading module are connected with test cover.Wherein, gas supply module is used to supply gas to test cover and monitor gas supply flow, to simulate the load condition of the vacuum pump to be measured in actual working scene. Reading module is used to read the vacuum degree of test cover, to facilitate the evaluation of the key performance indicators such as pumping efficiency and ultimate vacuum degree of the vacuum pump to be measured.And period test module is used to supply gas to test cover and simulate test environment, to carry out period test to the vacuum pump to be measured, to predict the service life of the vacuum pump to be measured, to formulate maintenance plan accordingly.

This invention provides a compressor housing assembly, a compressor, and an air conditioner. The compressor housing assembly includes a compressor housing and a sensor mounting bracket. The sensor mounting bracket includes a mounting body, and a receiving channel is formed between the mounting body and the compressor housing for pressing a temperature measuring section of a temperature sensor. The receiving channel has a constricted structure. During the temperature sensor insertion process, the inner wall contour of the mounting body that first contacts the temperature sensor is the initial contour. Any point B on the initial contour forms a first plane with the centerline of the temperature sensor. The first plane intersects the inner wall of the insertion tail end face at point C. The straight line BC forms an angle β with the centerline of the temperature sensor. The maximum value of each angle β is the maximum tilt angle βmax, where 3°≤βmax≤12°. The mounting body has a wall thickness t, where 0.2mm≤t≤0.8mm. This invention ensures reliable positioning of the temperature sensor, prevents local stress concentration, facilitates sensor insertion, and prevents the mounting bracket from cracking due to insertion.

The application discloses a liquid hydrogen pump coating interface failure mechanism identification method, relates to the technical field of low-temperature fluid conveying equipment state identification, and divides spatial registration units along the axial and circumferential directions of a liquid hydrogen pump shell, synchronously collects sound emission response, vibration response, guided wave response, local impedance response, and at least one of pressure, flow, rotating speed, motor current and shell temperature in the inlet and outlet, divides phase windows according to an operation process and generates interface phase interlocking evidence spectrum, freezes a candidate failure mechanism set, identifies a dominant mechanism through a main link and a counter-evidence link, calls a controlled active micro-perturbation action for supplementing evidence when there is conflict or insufficient evidence, and writes interface failure dominant mechanism judgment tickets back to an irreversible traceability account book and an interface baseline asset package.

This invention discloses a test bench for simulating a downhole drainage and gas production pump, comprising a wellbore, a drainage and gas production pump, a water delivery device, and a gas delivery device. The wellbore contains a support ring and a sealing sleeve. A first sealing device and a second sealing device are respectively installed at both ends of the wellbore. The drainage and gas production pump is annularly positioned within the wellbore through the support ring, and the annulus is divided into a low-pressure annulus and a high-pressure annulus by the sealing sleeve. A heating device for heating the high-pressure annulus is installed on the wellbore. One pump inlet of the drainage and gas production pump is located in the high-pressure annulus, and the other pump inlet extends through the first sealing device to the outside of the low-pressure annulus end in the wellbore, and is connected to the inlet of the water delivery device via a pipeline. The outlets of both the water delivery device and the gas delivery device are connected to the high-pressure annulus via pipelines. A detection device is installed on the wellbore. This invention uses a detection device on the wellbore to monitor the gas pressure and fluid inside the high-pressure annulus in real time, providing accurate and effective data support for improving the drainage and gas production process.

This utility model belongs to the field of liquid transportation technology, and specifically relates to a quantitative liquid transportation device. It includes a cavity, a driving fluid circulation mechanism, pneumatic valve I, pneumatic valve II, a storage bottle, a nozzle, and a pneumatic valve control module. The cavity is divided into a left cavity and a right cavity by a diaphragm. The left cavity is filled with a delivery fluid, and the right cavity is filled with a driving fluid. The right cavity is connected to the driving fluid circulation mechanism, which changes the volume of the right cavity by increasing or decreasing the amount of driving fluid, thus changing the volume of the left cavity accordingly. The nozzle is connected to the left cavity via an outlet pipe and pneumatic valve I, and is used to quantitatively deliver the delivery fluid. The storage bottle is connected to the left cavity via an inlet pipe and pneumatic valve II. Both pneumatic valves I and II are connected to the pneumatic valve control module, which controls the on / off state of pneumatic valves I and II. This utility model has a simple structure, small size, fast response, precise control, and good fatigue resistance.

The application discloses a coal-to-oil machine pump full-life intelligent system, comprising: a sensing module, which collects vibration, temperature, pressure, flow, viscosity and abrasive particle parameters; an edge computing module, which performs working condition segmentation based on a hidden Markov model and calculates cumulative wear equivalent; a hybrid driving life prediction module, which fuses mechanism models and data models, and outputs residual life through a signal-to-noise ratio dynamic weight; a fault diagnosis module, which uses a knowledge graph to perform Bayesian inference to locate a root fault; an intelligent decision-making module, which generates a maintenance work order by using deep reinforcement learning, and realizes a closed loop by writing into an EAM system through an API; and a full-life cycle management unit, which is associated with the data of each stage of a storage device. The application improves the life prediction accuracy and the intelligent level of maintenance decision-making, and reduces the unplanned downtime rate and operation and maintenance cost for the solid medium working condition of coal-to-oil.

The utility model discloses a kind of rotary direction hydraulic unit pump motor valve testing devices, it is related to motor valve testing device technical field, the testing device includes device base, the upper end of device base is provided with display screen, the lower of display screen is provided with power switch, oil pump pilot lamp, low liquid level pilot lamp, rotational speed adjusting switch, pressure display table, host computer switch and oil pump switch;It further includes: test cylinder, it is set on the side position of the display screen, test cylinder is provided with three, and the upper end of test cylinder is provided with plug, the upper end of plug is connected and installed and is provided with connector seat;Three-way ball valve, it is set on the rear end position of the test cylinder, and the rear end surface of connector seat is connected and is provided with drive board joint, solve the equipment in the hydraulic system by the test cylinder of setting testing device and test, but test cylinder is inconveniently fixed in the process of testing motor pump, cause the problem of influence hydraulic system motor pump test efficiency.

This disclosure includes packing stacks for pumps, pumps having the same, and related methods. Some packing stacks include male and female adapter rings and one or more V-rings, each including a concave surface and an opposing convex surface and configured to be disposed between the male and female adapter rings with the concave surface facing the former and the convex surface facing the latter. In some packing stacks, the male adapter ring includes a body and a ridge projecting from the body, the ridge configured to overlie a central area of the concave surface of the V-ring that is closest to the male adapter ring and less than 40% of the concave surface. In some packing stacks, the male adapter ring has a non-cylindrical interior passageway configured to facilitate fluid flow past the male adapter ring when a plunger is disposed therethrough.

This utility model discloses a current-voltage measuring vacuum device and a baby bottle, including a shell, a vacuum assembly, a current detection module, and a control module. The shell is provided with a connection structure for connecting to the bottle body, and the shell is provided with an extraction port. The vacuum assembly is disposed inside the shell, and the input end of the vacuum assembly is connected to the extraction port. The current detection module is connected to the vacuum assembly to detect the working current of the vacuum assembly. The control module is disposed inside the shell and is connected to the current detection module and the vacuum assembly to control the start and stop of the vacuum assembly according to the magnitude of the working current. This design reduces production costs, shrinks size, and is easy to carry.

The application discloses an economical high-reliability helium compressor bypass structure and a control method thereof. The bypass structure comprises a normally open electromagnetic valve and a normally closed electromagnetic valve connected in parallel between the high-pressure side and the low-pressure side of the compressor, and a control system electrically connected with both. The normally open electromagnetic valve is synchronized with the cold head power supply to realize passive bypass and pressure balance when the cold head starts and stops. The normally closed electromagnetic valve is independently controlled by the control system to realize active bypass and adjustment in operation under various control modes such as pressure regulation, pressure difference regulation, cold head abnormal protection and cold head-free test. The application uses general electromagnetic valves with low price and gives them the cooperative control logic of "passive + active", thereby greatly improving the safety, reliability and working condition adaptability of the system operation while significantly reducing the cost.

The application provides a water pumping fault control method and device of an ice making equipment and the ice making equipment. First, a standard pressure difference coefficient set in advance by the ice making equipment is acquired. Then, a first pressure value of a water level in a water storage unit detected by a pressure detection unit is acquired. Next, a preset water amount is pumped by an ice making unit, and a second pressure value of the water level in the water storage unit detected by the pressure detection unit is acquired. Then, an actual pressure difference value is determined based on the first pressure value and the second pressure value, and a predicted pressure difference value is determined based on the water amount and the standard pressure difference coefficient. Finally, whether the ice making equipment has a water pumping fault is determined according to the actual pressure difference value and the predicted pressure difference value. In this way, the actual pressure difference before and after water pumping is compared with the standard pressure difference to determine whether the ice making equipment has a water pumping fault, which significantly improves the detection efficiency and judgment accuracy of the water pumping fault of the ice making equipment, thereby guaranteeing the reliability of the ice making equipment.

The utility model relates to a pump technology field especially is publicized a kind of explosive inflation pump, including inflation device, the inflation device lower end is fixed with triangular support base, the inflation device one side is fixed with transparent gas cylinder by lower fixed base and upper fixed base, the triangular support base one side is fixed with air outlet device, the connecting passage of the inflation device, the transparent gas cylinder and the air outlet device is formed in the triangular support base, first check valve is installed in the inflation device inner chamber and the connecting passage connecting place.Affinity effect lies in: it can store high-pressure gas in transparent gas cylinder in advance, and realize instant large-flow inflation, effectively overcome the traditional manual pump airflow slow, not enough to make the repaired tire edge quickly and hub adhere to the problem of sealing, significantly improve the success rate of outdoor emergency repair, avoid the plight of being forced to give up journey or find air pump due to unable to inflate.

This disclosure includes plunger pumps having leak detection systems. Some pumps include a housing having a bore, an inlet, and an outlet, a plunger disposed within the bore and a first seal engaged with the plunger to divide the bore into first and second chambers, the plunger configured to reciprocate within the bore to expel liquid from the first chamber out of the outlet, and a sensor for detecting a presence of liquid in at least a portion of the second chamber. Some pumps have a reservoir for collecting liquid that leaks into the at least a portion of the second chamber, where the sensor is for detecting a liquid level in the reservoir. Some pumps include a second seal engaged with the plunger to divide the second chamber into first and second portions, and the sensor is for detecting a presence of liquid in the second portion.

The utility model provides a kind of efficiency performance test equipment of general EHB hydraulic ram pump, comprising: ram pump, the input end of the ram pump is connected with the output end of filter by normal pressure pipeline, the output end of the ram pump is connected with the input end of pressure sensor by high pressure oil circuit, the side of the ram pump is connected with shaft coupling by normal pressure pipeline, the side of the shaft coupling with the ram pump is connected with servo motor by normal pressure pipeline;This efficiency performance test equipment of hydraulic ram pump, low investment cost, manufacture is relatively simple, and general performance is strong.

A booster pump and a high-pressure homogenizing device are disclosed, relating to the technical field of homogenization processing. The booster pump of the high-pressure homogenizing device includes: a pump body, a bushing, and a piston rod. The pump body has a cavity, the bushing is disposed within the pump body, and the bushing has a shaft hole communicating with the cavity. The piston rod is slidably mounted in the shaft hole. The bushing has at least one overflow prevention channel along its axial direction, the overflow prevention channel having a first end and a second end opposite to each other. Both the first end and the second end are located on the wall of the shaft hole and communicate with the shaft hole, with the second end located on the side of the first end away from the cavity. A first sealing ring is mounted inside the second end, and the first sealing ring is sleeved on the piston rod to seal the gap between the bushing and the piston rod, and to seal the second end, thereby restricting the material flowing into the overflow prevention channel from flowing out through the second end. When material enters the overflow prevention channel through the first end, it increases the pressure inside the overflow prevention channel. This pressure can cause the first sealing ring to press tightly against the piston rod, which is beneficial to improving the sealing effect.

The application provides a water pump intelligent water inlet and outlet flow monitoring system, which comprises a water inlet detection unit, a water outlet detection unit, a state acquisition unit, a control operation unit, an execution unit and a display communication unit; the water inlet detection unit is arranged on a water inlet pipeline of the water pump and is used for acquiring water inlet flow and water inlet pressure; the water outlet detection unit is arranged on a water outlet pipeline of the water pump and is used for acquiring water outlet flow and water outlet pressure; the state acquisition unit is used for acquiring one or more operating parameters such as liquid level, motor current, motor voltage, motor power, temperature, vibration and valve opening degree; the control operation unit is electrically connected with the water inlet detection unit, the water outlet detection unit, the state acquisition unit, the execution unit and the display communication unit respectively, and the application solves the problems of inaccurate fault identification, high false alarm rate and disconnection between monitoring and control in the prior art.

The present application relates to the field of fluid machinery, especially to a full-flow extreme power point rapid determination method and system for diesel engine fire pump set. According to the industry standard and pump set parameters, the method presets the reference parameters and solidifies the Q-N-H three-dimensional working condition mapping table to build a standardized test reference. Four test intervals are divided according to the flow, and exclusive control algorithm and safety protection logic are matched. After the equipment is preheated and stabilized, multi-source working condition data is collected through high-frequency sampling and time stamp calibration, and the real-time input power of the diesel engine is accurately calculated through sliding filter denoising, parameter normalization and multi-dimensional loss correction. Through the least square method five polynomial fitting P-Q characteristic curve, combined with the first and second derivative joint criterion, the only power maximum point in the effective flow interval is accurately calibrated. The method is accurate, fast and highly standardized, effectively improves the determination accuracy and efficiency of the extreme power point, and meets the combined rule detection requirements of the diesel engine fire pump set.

The utility model relates to oilfield exploitation technical field especially relates to a gas lift distribution device. The utility model embodiment provides a gas lift distribution device, include: main pipeline is connected with compressor for distributing high pressure gas to a plurality of branch pipeline with main pipeline connection;Branch pipeline is used for conveying high pressure gas that main pipeline flows into to oil well or gas well;Flow metering device is used for real -time acquisition flow on branch pipeline;Control executor is used for adjusting the opening of the regulating valve on branch pipeline. The utility model embodiment provides a gas lift distribution device, can distribute high pressure gas provided by a compressor to a plurality of wellheads.

This invention discloses a non-destructive condition monitoring and fault prediction system for a diaphragm compressor, comprising a data acquisition module, a condition monitoring module, and a fault prediction module. The data acquisition module is used to non-invasively acquire multi-source physical signals during the operation of the diaphragm compressor. The condition monitoring module is used to receive and process the raw signals transmitted by the data acquisition module. The fault prediction module is used to perform trend prediction and lifespan estimation based on historical health time-series data and feature sequences output by the condition monitoring module. This invention achieves comprehensive perception of the critical states of the diaphragm compressor by integrating multi-source sensors and employing a non-invasive signal acquisition method. The system utilizes multi-dimensional feature extraction and fusion analysis technology to assess the health status of the diaphragm in real time and construct a predictive model based on time-series data, providing early warning of potential faults and predicting the remaining service life.

The application relates to the technical field of hydraulic transmission control, and discloses a method and system for driving and controlling a plunger pump by a servo motor, wherein the method for driving and controlling the plunger pump by the servo motor comprises the following steps: obtaining initialization data and equipment configuration parameters of a servo motor control system; performing hardware state detection and pressure working condition parameter configuration through a controller; establishing a quantitative relationship between the rotating speed of the servo motor and the output flow of the plunger pump; performing pressure working condition identification and mode switching, and verifying the working characteristics of the plunger pump; performing solenoid pulse width modulation control; determining a current working mode, performing mode-specific rotating speed strategy formulation and proportional-integral-derivative parameter adaptive control; and performing multi-mode performance comparison and cooperation effect analysis; the application can intelligently identify pressure working condition changes and automatically perform smooth mode switching, thereby ensuring optimal control performance under different working conditions.

The utility model discloses a hydraulic oil pump durability test device, it includes hydraulic oil pump test board, the board and butt joint piece, two locating plates are fixedly connected on the hydraulic oil pump test board, the right surface fixedly connected with stepping motor of the board, the output fixedly connected with threaded lead screw of stepping motor, the outer surface screw thread connection of threaded lead screw has the sliding block, the top inner wall fixedly connected with the guide block of the board, the inner surface of sliding block and guide block sliding connection has, two connecting blocks are fixedly connected on the sliding block, and the same movable clamping plate is fixedly connected on two connecting blocks. Through the setting of butt joint piece, threaded rod and nut etc. structure, in this scheme, respectively after taking off nut, butt joint piece, can remove the fixing to locating plate, thereby can take off locating plate from the device, and further can carry out cleaning maintenance etc. work to threaded lead screw, sliding block etc. structure, ensure the use stability of subsequent device.

The present application relates to nuclear power safety protection technical field, especially a kind of nuclear power plant pump body abnormality detection method and device.The method is: first, obtain pump body characteristic curve, based on the pump body characteristic curve, instrument arrangement and business knowledge determine the influence factor of the pump body;Then obtain the historical working data of pump body, establish training set by data analysis method;Based on training set, complete the training of regression model, reconstruction model and statistical model and obtain early warning threshold based on residual or statistical distribution;Finally, the current relevant data are input into the state reconstruction algorithm and statistical model or regression model, the statistical quantity or predicted value of pump in current state is obtained, whether there is abnormality is judged by comparing with early warning threshold.The present application selectively uses suitable model to judge the abnormality of pump body, simple and convenient.

The application discloses a kind of for automobile water pump sealing detection platform, including shell and pump body, the pump body includes water inlet and water outlet, the shell interior is equipped with water line, is equipped with detection instrument and movable assembly at the position close to the back of the shell interior, water line part uses conveying belt and carousel collaborative operation, conveying belt realizes the continuous linear conveying of pump body, carousel is limited by intermittent rotation and arc baffle, accurately transfers pump body to detection station and completes the automatic detection of qualified or unqualified product, forms completed flow operation, significantly reduces manual intervention, detection instrument realizes detection in combination with pneumatic seal and air pressure monitoring mode, plugging head is driven vertical compression pump body water inlet in screw rod mechanism in movable assembly, simultaneously, cylinder pushes the butt joint of communication head and water outlet, constructs closed detection environment, constant air pressure is injected using air pump and pressure change is monitored in real time by sensor.

This invention relates to the field of power consumption management technology, specifically to a real-time energy consumption analysis system for pump station units. The system includes a load feature extraction module, a frequency stability identification module, a start / stop window identification module, a voltage response control module, and a signal filtering module. In this invention, a sliding trend sequence is constructed using load state data and current increment information. Abrupt slope changes are identified and trend directions are classified. Combined with frequency variation amplitude, accurate identification of frequency operation stability segments is achieved. A control time window is constructed by judging the trend consistency of energy consumption and flow in the same time domain. A voltage input strategy is set based on the trend change rate and a mapping table is formed. In the confidence assessment of energy consumption labels, trend continuity judgment is used to achieve signal filtering and recovery, effectively enhancing the accuracy of behavior segmentation, the adaptability of power input control, and the continuity and controllability of overall operating status identification during energy consumption monitoring.

The application discloses the field of reciprocating mechanical state anomaly detection, and particularly relates to a drilling pump anomaly detection method based on multi-feature distance fusion and lateral comparison, which comprises the following steps: S1, collecting a reciprocating drilling pump fluid end vibration acceleration signal; S2, waveform abnormal vibration signal preprocessing; S3, calculating multi-dimensional time domain features and lateral comparison values; S4, calculating drilling pump fluid end abnormal state representation indexes; S5, calculating drilling pump fluid end abnormal state threshold values; and S6, deployment and application. The drilling pump anomaly detection model based on multi-feature distance fusion and lateral comparison calculates the degradation degree of different cylinder multi-dimensional time domain features of the vibration signal, quantifies the distance of the equipment offset health state center, enhances the sensitivity of the drilling pump fluid end degradation representation, and achieves the monitoring purpose of identifying the drilling pump fluid end abnormal state.