59 results about "Mass sensor" patented technology

The invention discloses an electric energy quality deduction prediction system based on artificial intelligence. An electric energy quality sensor collects voltage, current harmonic waves and transient disturbance data of multiple feeder nodes of a power grid; after the in-situ calculation unit compresses the collected data, the data access module processes the compressed data to obtain multi-monitoring-point continuous sequence data; the power quality deduction prediction sub-module trains a spatial-temporal feature extraction model through deep learning, processes the obtained data based on the trained model, and generates an advanced early warning signal; the multi-interference-source combined research and judgment sub-module processes power grid topology based on a graph attention network layer, and realizes accurate quantification of multi-interference-source harmonic responsibility by combining with global interactive calculation of a traceability attention layer; and the active decision-making module generates treatment strategy suggestions according to the early warning and quantification results and visually outputs the treatment strategy suggestions. According to the invention, the problem of high false alarm rate of fixed threshold alarm in a low signal-to-noise ratio scene is effectively solved.

A beverage dispensing system is configured to facilitate communication between a point of sale terminal and a beverage dispenser for receiving and fulfilling beverage orders. The dispensing system includes a conversion server that maps beverage orders between point of sale entry data and beverage dispenser recipe data. An automatic portion control (APC) assembly includes a mass sensor configured to determine a mass of a cup resting thereon. Using the mass of the cup, the dispenser makes a cup size prediction and performs a portion control dispensing operation. Based on the cup size prediction, a user interface is modified to allow for faster interaction. The APC assembly is positioned beneath a nozzle of the beverage dispenser and includes a removable platform assembly magnetically coupled to a mass sensor assembly. The mass sensor assembly includes a load cell or other mass sensor.

The invention relates to the technical field of test devices, in particular to a modularized sand-liquid mixing and accurate adding system for a sand-containing cavitation test of a water turbine, which comprises a sand-water mixing tank connected with a water inlet pipe and a water outlet pipe, the water inlet pipe is connected with a main pipeline, and a metering pump is arranged on the water outlet pipe; a first sand content monitoring sensor, a liquid level sensor and a stirring structure are arranged in the sand-water mixing tank; a material storage ball is arranged on the support, sand grains are arranged in the material storage ball, and a mass sensor is arranged on the support; and the conveying structure is connected with the storage ball and the sand-water mixing tank. The functions of sand liquid preparation, accurate metering, intelligent control, mixed injection and the like are highly integrated in an independent module to form a complete system which can operate independently. By means of the modular design, the system is compact in structure, small in occupied area and convenient to install, debug and maintain. And the high-precision sand content control ensures the accuracy and repeatability of test conditions, so that the test data is more reliable, and powerful support is provided for scientific research.

The utility model relates to a gas detection structure for rapid detection of an automobile air quality sensor, which comprises a rotating disk, a gas sensor and a gas sensor, the bracket is arranged on the side of the rotating disc; the pressing mechanism is connected with the bracket in a sliding manner and is arranged right above the bearing plate; the electrifying mechanism is connected with the bracket in a sliding manner and is arranged under the bearing plate; the gas conveying mechanism is arranged on the side of the bearing plate and comprises a front-back moving air cylinder arranged on the support, a gas channel arranged at the output end of the front-back moving air cylinder and connectors arranged on the gas channel at intervals, and the connectors directly face a gas detection inlet of the air quality sensor. According to the utility model, the air quality sensor is placed on the bearing plate, and after the air quality sensor is pressed by the pressing mechanism, the accurate connection between the air passage and the inlet of the air quality sensor and the accurate connection between the electric connection end of the air quality sensor and the electrifying mechanism are ensured, and the detection quality of the sensor can be ensured.

The present disclosure ensures reliability of analysis results by accurately pipetting a specimen and a sample in a predetermined pipetting amount. An automatic analysis device includes: a reagent holder configured to hold a reagent container that contains a reagent; a specimen holder configured to hold a specimen container that contains a specimen; a pipetting mechanism configured to pipette the reagent and the specimen into a reaction container; and a mass sensor configured to measure a mass of the reaction container. The mass sensor includes: a fixing portion; a diaphragm at least a part of which is fixed by the fixing portion; a piezoelectric element joined to the diaphragm; and a container placement portion that is supported on the diaphragm and is configured to hold the reaction container into which a liquid to be measured is discharged.

This invention proposes an integrated temperature detection air quality sensor and detection system. The air quality sensor includes a MEMS sensor unit and a temperature detection unit. The MEMS sensor unit detects the air quality outside the vehicle and adjusts the heating power consumption. It includes a sensor chip, a MOSFET connected to the sensor chip, and multiple resistors. The sensor chip internally connects a heating circuit and a sensing circuit. The temperature detection unit detects the ambient temperature and includes a thermistor and a resistor and capacitor connected to the thermistor. The air quality detection system includes the aforementioned air quality sensor, an MCU module, a power management module, and a LIN communication module. The MCU module receives the detection signal from the air quality sensor and calculates and controls the heating power consumption of the air quality sensor. The power management module provides a stable operating voltage for the entire detection system. The LIN communication module enables communication between the detection system and other systems in the vehicle. This invention ensures the stability of the sensor module's operating temperature and gas-sensing performance.

The invention relates to a method for operating a work station (1) of a spinning machine, wherein during normal operation a thread (3) is drawn from a spinning unit (4) at a drawing speed, wherein the thread (3) is monitored with regard to at least one thread parameter by means of a mass sensor (5), wherein the thread (3) is wound onto a bobbin (7) by means of a winding device (6) at a winding speed, so that a bobbin (8) is formed, wherein the thread (3) is moved back and forth along a traverse width (CB) during the winding onto the bobbin (7), wherein a stop sequence is initiated when a thread error-related anomaly (F) deviating from a nominal value of the at least one thread parameter is detected by the mass sensor (5). The winding speed is reduced during the stop sequence, wherein a thread loop (S) is formed as a result of the speed difference between the winding speed and the drawing speed thus caused. The invention also relates to a work station (1) of a spinning machine.

A refrigerant quality sensor includes an elongated sensor housing comprising a first end wall and a second end wall and at least one side wall extending between the first end wall and the second end wall. A refrigerant inlet and a refrigerant outlet are disposed in the at least one side wall. A light source is disposed at the first end wall. A photosensor is disposed at the second end wall. The photosensor generates an electrical signal corresponding to a quality of refrigerant within the elongated sensor housing.

The utility model relates to the technical field of control circuits, and discloses a hospital intelligent inspection robot driving control system, which comprises a sensor unit, a motion processing unit, a motor driving unit, a photovoltaic charging unit and a main control unit, the sensor unit comprises a sensor control module, and a temperature and humidity sensor, an ultraviolet sensor, an air quality sensor, a gas sensor, an infrared temperature measurement sensor and a heart rate and blood oxygen sensor which are connected with the sensor control module, and the motor driving unit comprises a buffer circuit, a driving H-bridge circuit and a driving connection circuit. The buffer circuit is connected with the main control unit, the buffer circuit is connected with the driving connection circuit through the driving H-bridge circuit, and the driving connection circuit is connected with a driving motor of the robot; cruising of the robot is guaranteed, and the utilization rate is increased; therefore, the robot can greatly improve the efficiency of medical services, reduce the workload of medical staff, and provide more intelligent nursing experience for patients.

The utility model relates to the technical field of landscape elevator security and protection, and particularly discloses a security and protection system for a suspension bridge main tower attached landscape elevator, which comprises a waiting channel, a ticket checking gate, a camera and a weighing platform, the waiting channel is arranged at an elevator doorway, the camera is arranged above the waiting channel, and the camera is connected with an image recognition module and is used for recognizing the number of people in the waiting channel; the ticket checking gate machine is installed at an entrance of a waiting channel and connected with the controller, the controller controls the ticket checking gate machine to open or close ticket checking, a weighing table is arranged at the entrance of the ticket checking gate machine and measures the weight of a ticket checker, and a mass sensor is arranged below the weighing table and connected with a calculation module. The calculation module and the image recognition module are both connected with the controller, the controller controls the ticket checking gate to be opened or closed for ticket checking according to the weight collected by the mass sensor and the number of people recognized by the image recognition module, the number of people entering the elevator and the weight of people entering the elevator are accurately controlled, and overload of the elevator is effectively prevented.

The application discloses an automatic centering mechanism of a sensor, which comprises a supporting mechanism, a supporting ring located at the outer ring of a tray, an angle code fixed on the edge of the tray and located above the supporting ring, the vertical projection of the angle code intersecting with the supporting ring, and the upper surface of the tray always contacting the sensor; the tray is provided below with a lower pressing plate with a fixed spatial position; a lifting mechanism, a plurality of threaded studs vertically penetrating through the supporting ring, the threaded studs being symmetrically arranged along the mirror surface, one horizontal longitudinal transmission rod being connected below the threaded studs on each side, one transverse transmission rod being connected at one end of the two longitudinal transmission rods, and the transverse transmission rod being driven by a first rotary motor; a translation mechanism, the supporting mechanism and the lifting mechanism being driven to horizontally translate; the center lines of the transverse transmission rod and the longitudinal transmission rod forming a H-shaped form, the opening direction of the H-shaped form being directed to the lower pressing plate and being parallel to the translation direction of the translation mechanism. The application is convenient for the translation of a large mass sensor and guarantees the accuracy of the test.

The invention relates to the technical field of driving motor energy-saving assemblies, and discloses a grain cleaning and grading screening machine which comprises a feeding assembly, the top of the feeding assembly is fixedly connected with a feeding chamber, the front end of the feeding assembly is fixedly connected with a driving structure, and the driving structure is specifically a driving motor. A control center is fixedly connected to the surface of one end of the feeding assembly, a screening assembly is fixedly connected to the other end of the feeding assembly, a filter plate is arranged in the screening assembly, a discharging pipe of the feeding assembly is arranged on the top side of one end of the filter plate, and a mass sensor is fixedly connected to the interior of the filter plate and electrically connected with the control center. Vibration assemblies are fixedly connected to the front end and the rear end of the screening assembly, connecting rods are fixedly connected to the tops of the vibration assemblies, the filter plate is fixedly connected between the two connecting rods, the connecting rods are slidably connected to the outer surface of the screening assembly, and the device has the advantages that the energy-saving effect of the lifting device on the driving motor is achieved, and use by a user is facilitated.

The utility model relates to a detection tool of an air quality sensor. The detection tool comprises a base, a rotating shaft assembly, a cover plate, a ventilation assembly and a telescopic rod. Wherein a detection groove is formed in the base, a plurality of air quality sensors to be detected are assembled in the detection groove, and detection inlets of the air quality sensors face the front of the base; the rotating shaft assembly is slidably arranged on the front side of the base in the front-back direction. The cover plate is arranged on the base in an overturning mode through the rotating shaft assembly. The ventilation assembly comprises a detection gas source, a gas conveying pipe and a plurality of gas outlet pipes which are communicated in sequence; the plurality of air outlet pipes are arranged on the bottom surface of the cover plate and correspond to the air quality sensors; the front end and the rear end of the telescopic rod are connected with the rotating shaft assembly and the base correspondingly so that the cover plate can be pulled backwards to make the air outlet pipe abut against a detection inlet of the air quality sensor when the cover plate is closed to the base. Compared with the prior art, the sealing performance between the detection gas outlet and the detection inlet of the air quality sensor can be effectively improved.

The utility model relates to the technical field of sewage treatment, in particular to a sewage treatment medicament quantitative adding device which comprises a support frame body, a vertical plate, an extension frame, a fixed plate and a medicament temporary storage cylinder, wherein a medicament storage barrel is mounted at the top of the supporting frame body, and a first electric control valve body is arranged at the liquid discharging end of the bottom of the medicament storage barrel; wherein the vertical plate is fixed on one side of the support frame body. Through linkage of the mass sensor, the first electric control valve body, the second electric control valve body and the control display screen, a high-precision weighing type quantitative control system is formed, a medicament is accurately metered and put into the medicament temporary storage barrel from the medicament storage barrel at first, and then the medicament is added; the metering error of a traditional flow pump caused by the change of the medicament viscosity and the pipeline pressure is effectively avoided, high-precision quantitative feeding in the real sense is achieved, the treatment effect is greatly improved, and the medicament cost is saved.

A method for splicing two sheets of material is provided, including: providing a processing line including a splicing head and a quality sensor located between upstream and downstream ends of the processing line; providing first and second sheets of material; processing the first sheet on the processing line along a processing direction from the upstream end towards the downstream end; detecting, by the quality sensor, a value of a quality parameter at a detected portion of the first sheet; and, when the value falls within a predetermined threshold, transporting the first sheet along the processing line such that the detected portion is located prior to getting into the splicing head from the upstream end, and splicing the first and the second sheets at the splicing head when the detected portion is located prior to getting into the splicing head from the upstream end.

The invention relates to an air quality sensor. A housing has a flow channel for guiding air to be measured through the housing; at least part of the first sensor is inserted into the flowing channel, the flowing channel comprises a measuring channel and a bypass channel, and the first sensor is configured to be used for detecting forward airflow flowing in from the first opening and flowing out from the second opening and reverse airflow flowing in from the second opening and flowing out from the first opening. According to the scheme, reverse airflow can be detected, the influence of pulsating airflow is reduced, and the measurement precision is improved.

The invention relates to a method for adapting an SCR system (12) of an exhaust aftertreatment device (10) for aftertreating exhaust gas of an internal combustion engine of a motor vehicle, in which the SCR system (12) comprises at least one SCR catalyst (14, 16), a metering device (26) by means of which a reducing agent (34) can be introduced into the exhaust gas, a reducing agent tank (32) for receiving the reducing agent (34), a quality sensor (38) for determining the quality of the reducing agent (34), a level sensor (36) for detecting the level of the reducing agent (34) in the reducing agent tank (32) and a control unit (40). The control unit (40) stores a quality end value in a non-volatile memory at one end of a first driving cycle of the motor vehicle, which characterizes the quality of the reducing agent (34) taken up in the reducing agent tank (32) at the end as determined by the quality sensor (38).

The invention belongs to the technical field of powder pneumatic conveying, and particularly relates to a method and device for measuring the powder particle picking speed. According to the method, to-be-detected material powder flatly laid on a tray of a mass sensor is placed in a rectangular air pipe, fully developed turbulent airflow in the pipe is created, the air speed in the air pipe is gradually increased, sampling and particle size analysis are triggered according to the change of the weight loss rate of the mass sensor, and the particle size of the to-be-detected material powder is measured. Therefore, the picking speed corresponding to the powder particles with different particle sizes of the material is obtained. According to the invention, the turbulent flow which is completely developed in the pipe is created, and'zero-returning of the weight loss rate 'is taken as a unique triggering condition for sampling, so that the powder particle size interval corresponding to each sampling is accurately determined by the current wind speed, and a reliable and accurate corresponding relation between the wind speed and the particle size is established; and errors caused by manual judgment in a traditional method are overcome.

A process in device may include measuring an electrical parameter of a monitored element through at least one connection with at least one transducer, determining whether the at least one connection to the monitored element is correct based on the electrical parameter with at least one processor, and outputting an error and potential fixes when the at least one connection to the monitored element is not correct with the at least one processor, and / or correcting electrical parameter data when the at least one connection to the monitored element is not correct with the at least one processor. The electrical parameter may include at least one of the following: voltage, current, phase, and / or polarity. Other embodiments of this aspect include corresponding computer systems, apparatus, and computer programs recorded on one or more computer storage devices, each configured to perform the actions of the methods.

Filter element flow divider device (50) for generating a predetermined flow profile in an outflow-side media flow of a filter element, comprising a clean air chamber section (70), an outflow channel section (72) with an outflow channel cross-section (74) and a mass flow sensor (120), comprising at least two guide vane wall sections (52, 54) each with an inflow curvature region (76) which is connected to an outflow wall section (78), wherein the inflow curvature regions (76) of two guide vane wall sections (52, 54) are configured facing each other, and wherein the guide vane wall sections (52,54) in longitudinal section in a predetermined flow direction plane (26) from the clean air chamber section (70) to the mass sensor (120) each have a predetermined angle of attack (α) of a tangent (88) to the maximum point of curvature of the inlet curvature region (76) relative to the flow direction plane (26) and / or relative to at least one further guide vane wall section, wherein the guide vane wall sections (52, 54) are arranged in the clean air chamber section (70) and the outflow channel section (72) is arranged predetermined downstream of the clean air chamber section (70) and the mass flow sensor (120) is arranged downstream of the clean air chamber section (70) and / or the outflow channel section (72), wherein the mass flow sensor (120) is located directly behind the guide vane wall sections (52,54) is arranged or is spaced at a distance (82) of up to once the outflow channel cross-section (74) of the outflow channel section (72) from the outflow wall section (78).

The utility model discloses a slag content detection device for alloy liquid, relates to the technical field of slag content detection in the alloy liquid, and aims to solve the problem that the slag content in the alloy liquid cannot be specifically detected at present. A liquid outlet is formed in the crucible, an on-off valve is detachably connected to the liquid outlet, one end, deviating from the crucible, of the on-off valve is communicated with a negative pressure cylinder, the negative pressure cylinder is communicated with a negative pressure pump, a filter mesh used for filtering slag is arranged in the crucible, the filter mesh is arranged above the liquid outlet, and a mass sensor is arranged at the bottom of the negative pressure pump.

A system and method for determining a piezoelectric property of a piezoelectric material are disclosed. The system includes a voltage source configured to apply a first voltage across the piezoelectric material during a first time period. A mass sensor is operatively coupled to the material to measure an apparent mass thereof, and a capacitance meter is configured to measure a capacitance of the material during the same time period. A processor, communicatively coupled to the mass sensor and the capacitance meter, is configured to calculate a first value indicative of a piezoelectric property, such as a piezoelectric coefficient (d33 or d31), based at least in part on the measured apparent mass and the measured capacitance. By utilizing these concurrent measurements, the system can determine an effective thickness of the material under an applied electric field, circumventing prior art assumptions and enabling a more direct and physically accurate characterization.

The application provides a sensor arrangement optimization method, device, equipment and storage medium for a segment erector. It relates to the technical field of sensor layout. The method comprises: establishing a three-dimensional model of a segment erector to which sensors are to be arranged, determining possible installation points of the sensors according to the shape and size of the three-dimensional model; constructing a sensor element library based on the three-dimensional model; wherein the sensor element library is used to determine different types of sensors; determining a spatial effective range of the sensors through simulation analysis according to the field environment and the segment size; constructing an optimization objective function with data precision quality, sensor data processing real-time performance and cost as targets; solving the optimization objective function based on particle swarm optimization to obtain an optimal sensor arrangement scheme. The application can provide a more flexible sensor configuration strategy for the segment erector under different tunnel diameters, curvature radii or complex working conditions.

The embodiment of the utility model provides a kind of signal receiver and the fishing alarm system comprising it, it is related to signal receiver technical field.The signal receiver includes shell, alarm module, air quality sensor and main control unit module, alarm module is set in shell, alarm module is used to receive the condition of fish bite hook signal, sends alarm;Air quality sensor is set in shell, air quality sensor is used to monitor air quality;Main control unit module is set in shell, alarm module and air quality sensor are connected with main control unit module;Main control unit module is used to receive fish bite hook signal, and control alarm module sends alarm;Main control unit module is also used to receive and analyze the data of air quality sensor, in the condition that air quality value exceeds setting threshold, control alarm module sends alarm.User carries one equipment to realize fish bite hook alarm prompt and environmental air quality detection function.

The invention relates to an automobile fuel quantity display dynamic hysteresis smoothing method, device and system, and belongs to the technical field of automobile electronics. The method comprises the steps that the latest sampling value of the current oil mass is calculated according to collected data of an oil mass sensor; based on the change relation between the newest sampling value and the current display value, whether the newest sampling value conforms to the current calibrated oil quantity change direction or not is judged; if yes, the display value is updated, if not, the display value is kept unchanged, and if the difference value does not exceed the dynamic hysteresis threshold value, the display value is updated, and the direction mark is reversed. The system correspondingly comprises a data calculation module, a dynamic hysteresis judgment module, a display gradual change processing module and the like. According to the method, the jumping phenomenon of the oil mass displayed at the critical point is effectively restrained through a dynamic hysteresis mechanism, the display stability and the system response speed are both considered, smooth transition is achieved when the oil mass suddenly changes, and the user experience and the display reliability are remarkably improved.

The invention relates to the technical field of road inspection, and particularly discloses an intelligent road inspection method and device based on multi-source perception. The device comprises a camera, a millimeter wave radar, a laser radar, an air quality sensor, an impeller type wind speed sensor, a solar panel, an illuminating lamp, a noise sensor, an infrared temperature sensor and an ultrasonic distance measuring sensor which are installed on a device shell structure. According to the method, automatic fusion analysis of multi-source data, intelligent identification and accurate marking of road anomalies and real-time uploading and management of detection data can be realized. According to the invention, a plurality of sensors are fused, multi-dimensional data of the road can be comprehensively collected in real time, the inspection efficiency and accuracy are greatly improved, early accurate early warning of road diseases is realized, the road maintenance cost is reduced, and the road traffic safety and smoothness are guaranteed.

The utility model discloses an air compressor degreasing mechanism which comprises a main body mechanism. The main body mechanism comprises a bottom plate, limiting rods fixed to the top end of the bottom plate in an annular array mode, red and green alarm lamps installed on one sides of the limiting rods, a mass sensor installed at the top end of the bottom plate, a cylinder embedded among the multiple limiting rods, and an exhaust pipe installed at the bottom end of the cylinder and communicated with an inner cavity of the cylinder. The bottom end of the cylinder is tightly attached to the mass sensor. The filter part is embedded in an inner cavity of the barrel, the cover plate is installed at the top end of the barrel through threaded connection, the air inlet pipe is installed on the cover plate and communicated with the inner cavity of the barrel, the bottom plate is used for installing the limiting rods, the stability of the limiting rods is guaranteed, the limiting rods are arranged in an annular array mode, and at least four arrays are arranged and used for limiting the barrel; according to the oil stain removal mechanism of the air compressor, the cylinder is prevented from inclining to influence detection of the quality sensor, compressed air can be filtered and purified, and cleanliness of the compressed air is guaranteed.

The application discloses a kind of heat-resistant test process quality change on-line measuring device, including water cooler, water pipe, mass sensor, cooling jacket, support, force signal line, recorder, heating jacket, heat-resistant wire, test piece, heating wire, temperature signal line, temperature control box and windproof box, heating jacket is heated according to the set rate by program control, and the on-line continuous weighing of test is carried out using tensile type mechanical sensor, the on-line measurement of heat-resistant test process quality change is realized.The current heat-resistant test can only be endpoint measurement, lack of process parameters, test drug is smaller, the problem of high cost is solved.Advantages are: simple, fast, single test cost is lower, suitable for heat-resistant test process quality continuous measurement of various heat-resistant explosives.

This invention discloses a filling and compaction device and process based on automated casting molds, including a compaction mechanism. A sand storage and feeding mechanism is fixedly connected to the side of the compaction mechanism, and a filling mechanism is fixedly connected to the lower part of the sand storage and feeding mechanism. In this invention, a full-link real-time monitoring system is constructed through raw material characteristic sensor components, sand mold quality sensor components, and operating condition sensor components. This system accurately captures the dynamic characteristics of the molding sand and equipment operating data, providing reliable support for closed-loop control and completely solving the drawback of existing technologies lacking real-time data feedback. Combined with a three-axis adjustment mechanism and a servo motor-driven angle adjustment component, the position and angle of the sand injection nozzle can be precisely adjusted to match the cavity structure. The first and second hydraulic cylinders of the compaction mechanism, in conjunction with a multi-contact pressing mold and the vibration assistance of the vibratory compaction mechanism, achieve precise, graded compaction. The control unit can dynamically optimize process parameters based on real-time data, effectively offsetting the influence of molding sand characteristic fluctuations.

Device 1 for determining the volume flow and quality of a gaseous fluid, comprising a main channel 2, a bypass channel 3, a sensor area 4, and a primary anemometer 5, wherein the main channel 2 is configured to guide a main flow 8 of the fluid, wherein the bypass channel 3 and the sensor area 4 form a bypass 9 to the main flow 8, wherein the bypass 9 is configured in particular parallel to the main flow 8, wherein the bypass channel 3 is configured to direct a part of the main flow 8 as a partial flow 10 into the sensor area 4, wherein the sensor area 4 comprises at least one fluid quality sensor 11, at least one speed sensor 12, and evaluation electronics 13, wherein the primary anemometer 5 is configured within the main channel 2 to detect the entire main flow 8 and is operatively connected with the speed sensor 12.