1427 results about "Load cell" patented technology

The invention relates to the technical field of weighing equipment detection, and discloses a detection output method, device and equipment for weighing equipment and a storage medium, and the method comprises the steps: carrying out the preprocessing and analog-to-digital conversion of original output signals of a plurality of weighing sensors in the weighing equipment, and obtaining synchronous digital signal data; bayesian multi-channel signal fusion and anomaly detection are carried out based on the synchronous digital signal data, and multi-channel fusion signal data and an anomaly detection identifier are obtained; performing inter-channel correlation analysis and adaptive weight distribution according to the abnormal detection identifier and the multi-channel fusion signal data to obtain a multi-channel weighted fusion result and a calibration compensation parameter; and carrying out real-time fault isolation and multi-channel working state identification on the multi-channel weighted fusion result based on the calibration compensation parameter, and generating a weighing detection result, the weight distribution can be automatically optimized according to the real-time working state and the signal quality of each weighing sensor channel, and the accuracy and the stability of the measurement of the weighing equipment are improved.

The present application relates to a sensor-weight system for an exercise machine. The system comprises a load cell, a three-axis accelerometer, a battery, a housing, a communication unit, a data processing unit, and a weight stack with multiple weights. The load cell interconnects a cable with the weight sword of the weight stack, allowing precise measurement of the user's exerted force during exercise.

The invention relates to the technical field of generator test equipment, and particularly discloses a comprehensive test platform for a generator. The bearing assembly, the hoisting assembly and the testing instrument are installed on the vehicle body, the bearing assembly comprises two bearing arms and a driving mechanism, and weighing sensors are installed on the bearing arms and can be far away from and close to each other; the test instrument can obtain related test data based on weighing data fed back by the weighing sensor. The comprehensive test platform for the generator can move, can automatically complete loading and unloading of the diesel generator, does not need assistance of other equipment, and remarkably reduces the requirements for site conditions; data such as the whole machine weight, the fuel consumption rate and the operation stability can be measured, the test items are rich, and the functions are complete; and the transfer frequency in the comprehensive test process can be effectively reduced. After the test is completed, the diesel generator can be transferred and loaded to another test device, which is efficient and fast; and meanwhile, the method has the technical advantages of good applicability, easiness in implementation, relatively low cost and the like.

The application provides a heavy-load large-stroke lifting and leveling device and method, which internally adopts multi-stage cylinder driving, externally balances lateral load by multi-stage overlapping sleeves, and reverses the oil cylinder to replace the last sleeve with the outer cylinder of the oil cylinder; a weighing sensor is arranged at the bottom to detect the load in real time; and finally, the heavy-load equipment is lifted and leveled in a large stroke under the condition of limited closed size limitation.

Systems, devices, and methods are provided for pulsed strain gauge topologies. A weight sensor assembly may comprise one or more load cells for receiving excitation pulses during a first state period of a duty cycle, sample and hold (S / H) circuitry connected to the one or more load cells that holds analog measurement signals from the one or more load cells, first filtering circuitry connected to the S / H circuitry for processing the analog measurement signals and producing a DC level signal, an amplification system connected to the filtering circuitry, for amplifying the DC level signal, second filtering circuitry connected to the amplification system for filtering power line noise, and analog-to-digital (ADC) circuitry connected to the second filtering circuitry. Examples of load cells described herein include full-bride load cells (FBLCs) and half-bridge load cells (HBLCs).

The invention relates to the technical field of catalyst processing, in particular to an automatic proportioning control system for catalyst mixed materials. According to the invention, the physical distance of each material conveying pipeline and the opening and closing delay of the control valve are obtained, and the task issuing time point is combined, so that the effective response time intervals corresponding to different pipelines are established, and the judgment of the validity fed back by the weighing sensor is more accurate; furthermore, through dynamic trend fitting between historical matching data and current adjacent pipeline data, it is ensured that accurate substitution weighing information can still be obtained under the condition of abnormal feedback, and the matching precision deviation caused by the abnormal feedback is effectively avoided; the actual emptying state of the residual materials in the pipeline is jointly judged by combining the tail section flow velocity and the tail end storage capacity change, scheduling resource configuration has real-time effectiveness, the pipeline priority is calculated through multiple factors such as the conveying distance, the flow velocity fluctuation and the historical idle period, and the reasonability and accuracy of a scheduling path are improved.

The invention discloses an intelligent pouring device for a prefabricated concrete inspection well and a machining method of the intelligent pouring device, and belongs to the technical field of intelligent manufacturing of prefabricated concrete members. The intelligent pouring device comprises a well mold assembly, a collaborative vibrating and supporting part, a pouring executing mechanism and a main controller; the well mold assembly is used for defining a concrete pouring cavity and comprises an inner mold body and an outer mold body which are arranged in a sleeved mode, a distributed temperature measuring array is arranged on the inner wall of the inner mold body, an ultrasonic receiving and transmitting matrix is arranged between the inner mold body and the outer mold body, and a partitioned temperature control unit is arranged on the outer wall of the outer mold body. The collaborative vibrating and supporting part is used for bearing the well mold assembly and applying vibration and comprises a bearing and supporting platform used for placing the well mold assembly, a weighing sensor is arranged on the bearing and supporting platform, a partition type vibrator set is further fixed to the outer wall of an outer mold of the well mold assembly, and the partition type vibrator set is arranged on the bearing and supporting platform. According to the invention, the real-time volume and mass data of the poured concrete are provided for the main controller.

According to the turnover device capable of adjusting the pressure of the machine head of the floor machine and the pressure control method of the turnover device, in the device, the extension rod of the linear driving module is rigidly connected with the pressure adjusting rod of the elastic pressure adjusting module, and double springs with different rigidities are matched, so that the pressure of the machine head can be flexibly adjusted, and various floor treatment requirements are met; the shaft pin weighing sensor accurately detects the pressure of the machine head through a stable structure and feeds back the pressure, and a basis is provided for adjustment of the central control unit. The machine head roll-over stand is hinged to the elastic pressure regulating module shell, so that the flexibility of the machine head is improved; according to the pressure control method, in the pressure adjusting stage, the central control unit accurately adjusts the pressure by means of real-time feedback of a sensor in combination with a positive pressure mode, a negative pressure mode and a PID (Proportion Integration Differentiation) algorithm; in the lifting execution stage, the lifting angle is limited; the target pressure calculation formula is scientific and reasonable, a reliable scheme is provided for efficient, accurate, stable and diversified pressure control of the floor machine, and the floor processing quality and effect are improved.

The utility model discloses a feed tower multi-parameter monitoring system, which relates to the technical field of feed tower monitoring systems, comprises a support frame and a tower body, and is characterized in that the lower end of the support frame is provided with a support column, the inner side of the support column is provided with a weighing sensor, and the outer side surface of the middle part of the tower body is provided with a tilt angle sensor; a temperature measuring tube is vertically arranged on the inner side of the tower body, a mounting groove is formed in the temperature measuring tube, and a fixing plate is mounted on the mounting groove. Through the arrangement of the supporting frame, the supporting column and the weighing sensors, the daily weight change condition of feed in the feed tank is monitored and counted in real time through the three weighing sensors at the lower end of the supporting column, monitored data are sent to a background monitoring end to be stored, and later query is facilitated.

This disclosure describes, in part, systems and techniques for determining compensation models to adjust load cell data and ensure accuracy of the load cells on a mobile apparatus through changing environments and conditions. This disclosure relates, specifically, to generating a compensation model by gathering sensor data for known weights of items over a range of weights, locations, temperatures, and humidity values and building a compensation model to infer compensation error to apply to the estimated weight data from the load cells. The compensation model can be used by a fleet of carts to infer weights of items in a manner accurate enough for sale-by-weight of items.

Embodiments of the present invention provide an apparatus comprising an upper plate and a lower plate. A plurality of horizontal load cells and a plurality of vertical load cells positioned on the lower plate to measure the forces in an x-direction, a y-direction, and a z-direction. A plurality of holes provided on the upper plate. A plurality of pins are fixed on the horizontal load cells and inserted into each correspondence hole. A plurality of spherical balls placed between the horizontal load cells and the upper plate. The spherical balls are provided to determine the force in the z-direction and the movement of the upper plate in the x-direction and the z-direction. A plurality of first sensor and a plurality of second sensors are provided over the upper plate and around the upper plate over the wall, respectively.

Microprocessor for a scale system for a mobile storage carrier operates in three states: motion, stable, and fault where stability is determined based on load cell signal variations or external sources and a fault state follows a stable state in response to signal drift in one or more load cells.

The utility model discloses a static balance function evaluation and training device which comprises a supporting assembly, a handrail assembly and a force measuring plate assembly, a control system is arranged in the supporting assembly, the handrail assembly is fixed on the supporting assembly and is used for being grabbed by a patient in a using state, and the force measuring plate assembly comprises a bottom plate, a pedal and a plurality of cylindrical weighing sensors. The bottom plate is fixed to the supporting assembly, the cylindrical weighing sensor is arranged on the upper surface of the bottom plate and electrically connected with the control system, and the pedal is arranged on the cylindrical weighing sensor and used for a patient to stand and do balance training actions of gravity center transfer. The force measuring plate assembly is only provided with one pedal and a plurality of cylindrical weighing sensors, compared with the prior art, the force measuring plate assembly is simple in structure and low in manufacturing cost, compared with a cantilever pressure sensor adopted in the prior art, the cylindrical weighing sensors are not prone to damage, and the service life of the force measuring plate assembly is prolonged.

The utility model relates to the technical field of constructional engineering foundations, and discloses a detachable arc-shaped bracket deviation rectifying support device for open caisson construction, which comprises a left-area detachable supporting piece, a right-area detachable supporting piece, a middle-area anchoring piece, a rubber pad, a weighing sensor, a strain sensor, a limiting hole and a balancing weight. Wherein the left-area detachable supporting piece and the right-area detachable supporting piece are vertically inserted and assembled in an open caisson limiting hole through the middle-area anchoring piece, rubber pads are pasted on the contact faces of the left-area supporting piece and the right-area supporting piece and the inner side wall of an open caisson to prevent structural damage, and the top faces of the left-area supporting piece and the right-area supporting piece are each provided with a weighing sensor. A strain sensor is installed on the external slope of the left area supporting piece. The open caisson deviation rectifying support has the advantages of being convenient to disassemble and assemble, high in safety and the like, and the use efficiency of the open caisson deviation rectifying support can be effectively improved.

The invention discloses an intelligent glass fiber drum unloading method and system based on digital twinning, and the method comprises the steps: collecting a yarn roll forming signal of a fiber forming machine, the positioning coordinates of a creel vehicle and the data of a weighing sensor in real time, and generating a multi-source synchronous data set; based on the multi-source synchronous data set, the three-dimensional coordinates of the center of the yarn roll and the lifting distance of the manipulator are solved, and a grabbing parameter set is output; the grabbing parameter set is issued to a servo control system, a manipulator is driven to complete yarn ball grabbing-weighing-placing operation, and a physical execution verification data packet is synchronously generated; and the motion trail of the manipulator and the stock state of the creel car are reconstructed in real time in the digital twin virtual model, and an abnormal early warning instruction is triggered and pushed to operation and maintenance personnel. By means of the embodiment of the invention, accurate positioning and real-time deviation correction in the yarn ball grabbing process can be achieved, and the reliability and production efficiency of drum unloading operation are improved.

An apparatus for determining durability of a wallboard joint compound composition includes an adhesion release testing machine including a machine base, a vertical mast connected to the base, a load cell connected to the mast, a sled movable on the machine base between a first position and a second position, a display associated with the machine base and connected to the load cell for displaying numerical values of loads applied to the load cell. A probe plate includes a lower surface with a depending probe; an anchor base disposed on an upper surface of the probe plate; and a chain connecting the probe plate to the load cell. A set sample strip of wallboard joint compound composition is secured to an upper surface of the sled and arranged for engagement by the probe as the sled moves on the machine based between the first position and the second position.

The self-adaptive intelligent loading system comprises a belt conveyor, a surge bin, a quantitative bin and a loading chute which are connected in sequence, four sets of gates are arranged at the bottom of the surge bin, the gates are connected with a PID controller in an electric control mode, the PID controller controls opening and closing of the gates, and the quantitative bin is connected with the loading chute in an electric control mode. The opening degree of the gate can be adjusted; the quantitative bin is provided with a weighing sensor, a material level height sensor and a three-dimensional measuring instrument. The volume of materials in a quantitative bin is calculated in real time based on a point cloud slicing algorithm, density data is obtained by combining the weight, different attributes of different materials or the same material are judged, the opening degree of a gate is dynamically adjusted based on an electro-hydraulic servo system of fuzzy control, and self-adaptive loading under the condition that the characteristics of the materials are changeable is achieved; the problem that self-matching of loading parameters is difficult due to change of loaded materials is solved, the loading precision is effectively improved, and the intelligent degree and the working efficiency of a loading station are remarkably improved.

The weighing clamping jaw comprises a first shell, a second shell, a clamping assembly, a weighing sensor, a first circuit board, a second circuit board and a flexible flat cable. The clamping assembly is arranged on the first shell, the weighing sensor is arranged in the second shell, the first shell and the second shell are sequentially arranged in the first direction and are separated from each other, one end, in the second direction, of the weighing sensor is connected with the first shell, and the other end, in the second direction, of the weighing sensor is connected with the second shell. The first direction is perpendicular to the second direction; the first circuit board is arranged in the first shell, the second circuit board is arranged in the second shell, and the two ends of the flexible flat cable are electrically connected with the first circuit board and the second circuit board respectively. The direction from the end, connected with the first shell, of the weighing sensor to the end connected with the second shell corresponds to the direction from the end, connected with the first circuit board, of the flexible flat cable to the end connected with the second circuit board, and the weighing accuracy of the weighing clamping jaw is improved.

The invention discloses a digital metering system for a mixing device of a building robot, which relates to the technical field of engineering automation and comprises a data acquisition module used for synchronously acquiring an original weighing signal carrying vibration noise and output by a weighing sensor of the mixing device, the real-time vibration signal is output by a vibration sensor which is installed on the building robot body and used for representing the mechanical vibration state. According to the invention, the weighing signal and the vibration signal are synchronously collected, the state identification module is combined to accurately judge the operation state, the corresponding dynamic correlation model is called to calculate and eliminate the vibration noise in real time, and the limitation of physical damping is avoided; during signal processing, model smooth switching is adopted, output jump is restrained, and metering precision and dynamic response speed are both considered; the model self-updating module can correct static state model parameters, and errors are further reduced.

The present invention belongs to the technical field of flutter tests for rotorcrafts, and discloses a ground whirl flutter test system and test method for a rotorcraft. The ground whirl flutter test system for the rotorcraft comprises a hardware part and a software part. The hardware part comprises a rotor test article, a support system, force loading devices, vibration signal sensors, load cells, vibration signal acquisition cards, an industrial control computer, force signal output cards, a power amplifier and load cell signal acquisition cards. The software part of the ground whirl flutter test system for the rotorcraft comprises a rotor force and moment calculation program and a multi-input multi-output force control program running on the industrial control computer. The method can reserve all dynamic characteristics of the aircraft structure, is not restricted by the size of a wind tunnel test chamber section, does not require dynamic scaling of aircraft structures.

A traveling robot comprises: a lower housing; a frame assembly positioned inside the lower housing; a traveling unit position at the lower part of the frame assembly; a tray frame coupled to the upper part of the lower housing so as to extend upwardly; a load cell coupled to the tray frame; a moving bracket coupled to the upper part of the load cell; a tray holder coupled to the moving bracket and protruding through a fastening hole of the tray frame; and a tray module seated on the tray holder. By having the load cell, the traveling robot is capable of detecting whether an object placed on a tray is present or falling, toppling over, etc. and thus is capable of traveling in a stable manner.

The utility model relates to a steel ladle supporting and grabbing mechanism, and relates to the field of casting. The transverse moving trolley is movably arranged on the lifting mechanism of the molten steel casting machine, and the steel ladle is supported and grabbed through the supporting and grabbing arms, hung on the transverse moving trolley, of the at least one set of weighing sensors; the supporting and grabbing end of the supporting and grabbing arm is in butt joint with a supporting seat of a steel ladle through a positioning assembly. Under the condition, the bag grabbing mechanism which is efficient, safe and capable of improving the product quality can be provided.

A non-vertical flow meter is provided that includes a chamber comprising an inlet and an outlet, wherein the chamber, the inlet and the outlet are disposed at a non-vertical angle. The non-vertical flow meter also includes a pivoting sensing surface and a load cell. The pivoting sensing surface disposed on an interior surface of the chamber, and the load cell is in operational communication with the pivoting sensing surface and arranged to sense pressure applied to the pivoting sensing surface and output a signal proportional to a flow rate of a material flowing within the chamber.

The utility model provides an automatic weighing vending cabinet which comprises a cabinet body with an opening in one side; the cabinet door covers the opening in an openable and closable manner; the multiple layers of goods channels are arranged in the cabinet body at intervals in the height direction; the shelf board modules are provided with selectable models for bearing the material boxes of different numbers and sizes, the shelf board modules of different selectable models are all integrally integrated with weighing sensors corresponding to the material boxes in number, and the shelf board modules of different selectable models are integrally assembled and disassembled in the corresponding goods channels through the openings. According to the utility model, the shelf board modules with different selectable models are detachably arranged on the goods channel, so that the shelf board modules can be quickly assembled, taken out and replaced, and the maintenance cost is effectively reduced. And meanwhile, the shelf board modules of corresponding models can be replaced and assembled in the goods channels according to adjustment of use requirements, and the applicability is effectively improved.

Disclosed herein is a system for monitoring urine output (UO) of a patient. The system includes a UO module configured to couple with a collection container. The UO module includes (i) a frame configured for anchoring to frame rails of a bed, (ii) a load cell configured to measure a weight of UO within the container and (iii) logic stored in memory that determines volumetric UO data from the load cell and transmits the UO data across a network to an external entity. An intermediate coupling device between the collection container and the UO module is configured to couple with the collection container and inhibit decoupling from the collection container. The intermediate coupling device includes an identification device attached thereto, identification device including patient information, and the logic links the UO data to the patient information.

The invention relates to a weighing system (10) comprising - a base (12), - a load sensor (14) which is articulated to the base (12) by means of a parallel link arrangement, - a translation lever (24) pivotably attached to the base (12) by means of a translation lever joint (25), the first translation lever arm (241) of which is connected to the load sensor (14) via a load coupling band (28) and the second translation lever arm (242) of which carries an element of an electromagnetic compensatory sensor arrangement (26), - an astaxation force generating element (42) fixed on one side at the base (12), by means of which an astaxation force can be generated which can be introduced into an introduction point (32) on the force flow path, and - an astaxation lever (36) pivotably attached to the base (12) by means of an astaxation lever joint (40), which is connected to the introduction point (32) at a first coupling point by means of an astaxation coupling band (34) and which is operatively connected to the astaxation force generating element (42) at a second coupling point. The invention is characterized in that the introduction point (32) is rigidly connected to the load receiver (14) and the astaxation coupling band (34) is extended longitudinally in the longitudinal direction (L) of the weighing system (10) and has a different length than each of the parallel links (16a, 16b).

The present invention provides a technique capable of reducing the time required for measurement while achieving high measurement accuracy. A metering device (1) is provided with a load unit (3) that transmits a load to a load cell (2), and a hanger (5) that is connected to a metering container (4) into which an object to be metered is inserted, and is provided with an upper sleeve-type member (61) and a lower sleeve-type member (62), which are elastic bodies, at a connection site between the hanger (5) and the load unit (3), and between the metering container (4) and the hanger (5). Impact load can be buffered, and vibration can be rapidly attenuated.

This application relates to the field of weighing sensors, and more particularly to a weighing sensor with variable sensitivity. The weighing sensor includes a frame, a curved clamp, a curved cantilever beam, a fixed magnet, a cantilever beam magnet, and a force display device. The curved clamp is mounted on the frame, one end of the curved cantilever beam is disposed within the curved clamp, and the other end of the curved cantilever beam is provided with a cantilever beam magnet. The fixed magnet is mounted on the frame and positioned above the cantilever beam magnet. The cantilever beam magnet is attracted by the fixed magnet, causing the curved cantilever beam to bend upwards. The force display device is mounted on the frame. The upward bending of the curved cantilever beam under the magnetic force of the two sets of magnets changes the effective length of the beam. When used for weighing, the curved cantilever beam moves downwards under a loaded load, changing its effective beam length, and simultaneously the magnetic force changes. This nonlinear stiffness structure achieves the function of variable sensitivity.

The utility model relates to the technical field of pneumatic ash conveying, in particular to a nitrogen backflow pigging ash conveying structure of a weighing type bin pump. Comprising a bin pump body, a fluidization disc is arranged at the bottom of the bin pump body, one side of the bottom of the bin pump body communicates with an air inlet pipe, an air inlet valve set is arranged on the air inlet pipe, the other side of the bottom of the bin pump body communicates with an ash conveying pipe, a discharging valve is arranged on the ash conveying pipe, a bearing support is arranged on the periphery of the lower portion of the bin pump body, and a weighing sensor is arranged at the bottom end of the bearing support. A first pressure transmitter is arranged on the top of the bin pump body, and a backflow mechanism is arranged between the ash conveying pipe and the ash storage container. The feeding weight is accurately recognized and the air inlet weight is accurately controlled through the weighing sensor, the material-air ratio can be accurately and reasonably controlled, when pipe blockage occurs, the backflow mechanism is opened, a high-pressure material-air mixture returns to the ash storage container through the backflow mechanism due to the pressure difference, the pipe blockage problem caused by insufficient fluidization is prevented, and continuous ash conveying is achieved.

A device and a method for weighing a roll of continuous web material on a spool at a weigh-ing station in a continuous process is described, which has fewer mechanical parts and is safer to use than prior devices and methods. The device is arranged adjacent to at least one of a pair of guide rails and comprises a damper and a load cell, wherein the load cell is integrated into at least one guide rail.